Pneumatic contactor of arc burner

Abstract

The utility model relates to the technical field of submerged arc furnace equipment, in particular to a pneumatic contactor of an arc burner, which comprises a static copper bar base and a movable copper bar base. The pneumatic contactor of the arc burner further comprises a fixing frame, an air cylinder assembly and an air cylinder base. The static copper bar base is arranged on one side of the fixing frame, and the air cylinder base is arranged on the other side of the fixing frame. The cylinder assembly is connected with the movable copper bar base, and the cylinder assembly is fixed on the cylinder base. The air cylinder pushes the movable copper bar to be in contact with the static copper bar, so that the switching effect of the arc burner is achieved. The structure of the lock nut and the adjusting nut enables the contactor to be flexibly adjusted according to the actual space on site and the distance between the two copper bars, the output end of the air cylinder and the movable copper bar base are connected through a bolt in a rotatable mode, the radial stress of the piston rod is reduced in the moving process of the air cylinder, and the failure rate of the air cylinder is reduced. Reconstruction with the minimum cost is achieved, and disassembly, assembly, replacement and maintenance are easy.

Description

Technical Field

[0001] The utility model relates to the technical field of ore-fired furnace equipment, in particular to a pneumatic contactor for a burn-through device. Background Art

[0002] The burn-through device is a burn-through device used in the smelting process of metallurgical and calcium carbide ore furnaces to burn through the tapping hole during the tapping process; the traditional ore furnace burn-through switch adopts a screw handwheel form, which has low efficiency, high operation intensity and safety risks. In recent years, automatic / electrically controlled hydraulic or pneumatic switch contactors have begun to be produced, but most of them have too complex structures, large modifications or unreasonable piston rod joints, and high failure rates of oil cylinders / cylinders.

[0003] A Chinese invention patent with publication number CN115775698A discloses a spherical joint type automatic burn-through switch, which includes a power cylinder; the output end of the power cylinder is connected to one end of a spherical tightening block through a universal ball head; the other end of the spherical tightening block is used to tighten the busbar copper bar. This structure changes the actuator from a rotating hand wheel to a hydraulic cylinder or a pneumatic cylinder for advancement, and the actuator feed force is controlled by a hydraulic or pneumatic system. However, this solution has a complex structure, and the transformation is cumbersome and the investment cost is high.

[0004] Therefore, in order to reduce labor intensity, improve the level of automation, reduce safety risks and equipment failure rate as well as investment costs, a burn-through pneumatic contactor is urgently needed. Utility Model Content

[0005] In order to overcome the problems existing in the prior art, the utility model aims to provide a burn-through pneumatic contactor to reduce labor intensity, improve the level of automation, reduce safety risks and equipment failure rate as well as investment costs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a burn-through pneumatic contactor, comprising a static copper bar base and a moving copper bar base; the burn-through pneumatic contactor also comprises a fixed frame, a cylinder assembly and a cylinder base; the static copper bar base is arranged on one side of the fixed frame, and the cylinder base is arranged on the other side of the fixed frame; the cylinder assembly is connected to the moving copper bar base, and the cylinder assembly is fixed on the cylinder base.

[0007] The utility model is further configured as follows: the fixed frame includes two groups of lead screws; connecting through holes are respectively provided on both sides of the stationary copper bar base and the cylinder base; the two groups of lead screws respectively pass through the connecting through holes on both sides of the stationary copper bar base and the cylinder base.

[0008] The utility model is further configured as follows: the fixed frame also includes a first fixing member and a second fixing member; one end of the lead screw is provided with a first fixing member for fixing the static copper bar base, and the other end of the lead screw is provided with a second fixing member for fixing the cylinder base.

[0009] The utility model is further configured as follows: an insulating component is provided between the static copper bar base and the lead screw; and an insulating component is provided between the cylinder base and the lead screw.

[0010] The utility model is further configured as follows: the insulating component is any one of an insulating tube and an insulating pad.

[0011] The utility model is further configured as follows: the first fixing member includes a first adjusting nut and a first locking nut; the second fixing member includes a second adjusting nut and a second locking nut; the first adjusting nut is arranged on one side of the static copper bar base, and the first locking nut is arranged on the other side of the static copper bar base; the second adjusting nut is arranged on one side of the cylinder base, and the second locking nut is arranged on the other side of the cylinder base.

[0012] The utility model is further configured as follows: a copper bar is arranged on one side of the movable copper bar base, and two parallel connecting plates are arranged on the other side; a first fixing hole is arranged on one connecting plate; and a second fixing hole is arranged on the other connecting plate.

[0013] The utility model is further configured as follows: the cylinder assembly comprises a cylinder and a pin shaft; the cylinder is fixedly mounted on the cylinder base; and the output end of the cylinder is connected to the connecting plate through the pin shaft.

[0014] The utility model is further configured as follows: the output end of the cylinder extends between the two parallel connecting plates, and the cylinder adopts an I-type cylinder; a mounting hole is provided at the output end; the pin passes through the first fixing hole, the mounting hole and the second fixing hole in sequence;

[0015] The utility model is further configured as follows: the cylinder assembly further comprises a cotter pin, the end of the pin shaft is further provided with a pin groove, and the cotter pin is inserted into the pin groove to fix the pin shaft.

[0016] In summary, the beneficial effects of the above technical solution of the utility model are as follows:

[0017] 1. The utility model realizes the switch function of the burn-through device by remotely controlling the cylinder so that the cylinder pushes the moving copper bar to contact the static copper bar. The lock nut and the adjustment nut structure enable the contactor to be flexibly adjusted according to the actual space on site and the spacing between the two copper bars. The output end of the cylinder and the base of the moving copper bar are connected by a rotatable latch, which reduces the radial force on the piston rod during the movement of the cylinder and reduces the failure rate of the cylinder.

[0018] 2. The overall structure of the utility model is mainly connected by bolts, and the components used are all simple, low-cost, and easy-to-process dispersed parts, which realizes the transformation at the minimum cost and is easy to disassemble, replace, and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the fixed frame structure of the utility model.

[0021] Figure 2 This is a schematic diagram of the connection between the movable copper bar base and the pin shaft in the embodiment of the utility model.

[0022] Figure 3 It is a schematic diagram of the overall structure of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Screw, 2. First lock nut, 3. First adjustment nut, 4. Second adjustment nut, 5. Second lock nut, 6. Insulation component, 7. Cylinder base, 8. Moving copper bar base, 9. Pin shaft, 10. Split pin, 11. Connecting plate, 12. Static copper bar base, 13. Cylinder. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the following is a clear and complete description of the technical solution of the present invention in conjunction with the drawings of the present invention. Based on the embodiments of the present invention, other similar embodiments obtained by ordinary technicians in the field without creative work should all fall within the scope of protection of the present invention. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the creation of the present invention.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0027] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0028] Example:

[0029] like Figure 1-3 As shown, a preferred embodiment of the utility model is a burner pneumatic contactor, including a static copper bar base 12 and a moving copper bar base 8; the burner pneumatic contactor also includes a fixed frame, a cylinder assembly and a cylinder base 7; the static copper bar base 12 is arranged on one side of the fixed frame, and the cylinder base 7 is arranged on the other side of the fixed frame; the cylinder assembly is connected to the moving copper bar base 8, and the cylinder assembly is fixed on the cylinder base 7.

[0030] like Figure 1 As shown, the fixed frame includes two sets of lead screws 1; the static copper bar base 12 ( Figure 1 (not shown) and the two sides of the cylinder base 7 are respectively provided with connecting through holes; the two groups of the lead screws 1 pass through the connecting through holes on both sides of the static copper bar base 12 and the cylinder base 7 respectively.

[0031] The fixing frame further includes a first fixing member and a second fixing member; a first fixing member is arranged at one end of the lead screw 1 for fixing the static copper bar base 12 , and a second fixing member is arranged at the other end of the lead screw 1 for fixing the cylinder base 7 .

[0032] An insulating component 6 is provided between the cylinder base 7 and the lead screw 1. The insulating component 6 is an insulating tube or an insulating pad.

[0033] The first fixing member includes a first adjusting nut 3 and a first locking nut 2; the second fixing member includes a second adjusting nut 4 and a second locking nut 5. The first adjusting nut 3 is rotated on the lead screw 1 to a suitable position, the static copper bar base 12 is installed, and then the first locking nut 2 is rotated along the lead screw until it cooperates with the first adjusting nut 3 to fix the static copper bar base 12; the second adjusting nut 4 and the second locking nut 5 are used in the same way.

[0034] like Figure 2 As shown, a copper bar is provided on one side of the movable copper bar base 8, and two parallel connecting plates 11 are provided on the other side; a first fixing hole is provided on one of the connecting plates 11; and a second fixing hole is provided on the other connecting plate 11.

[0035] The cylinder assembly includes a cylinder 13 and a pin 9 ; the cylinder 13 is fixedly mounted on the cylinder base 7 ; the output end of the cylinder 13 is connected to the connecting plate 11 via the pin 9 .

[0036] In the present invention, the FA type cylinder is mounted on the cylinder base 7, and the piston rod end of the output end is selected as I type, which is connected to the movable copper bar base 8 through the pin 9 and the cotter pin 10. The cylinder 13 is electrically connected to the external control system.

[0037] Combination Figure 3 As shown, the output end of the cylinder 13 extends between the two parallel connecting plates 11, and a mounting hole is provided at the output end; the pin shaft 9 passes through the first fixing hole, the mounting hole and the second fixing hole in sequence; the cylinder assembly also includes a cotter pin 10, a limiting plate is provided at the top end of the pin shaft 9, and a pin groove is also provided at the end of the pin shaft 9, and the cotter pin 10 is inserted into the pin groove to fix the pin shaft 9.

[0038] In actual application, a copper bar is installed on the static copper bar base 12 and the moving copper bar base 8 respectively, which can be installed by conventional means such as bolts; the two copper bars are arranged opposite to each other in the fixed frame; the moving copper bar base 8 is fixed on the output end of the cylinder 13, and the cylinder 13 is controlled by an external control system to extend or retract, thereby realizing the contact and separation of the two copper bars and completing the switching action of the burn-through device.

[0039] Finally, it should be noted that the above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A burn-through pneumatic contactor, comprising a stationary copper bar base and a moving copper bar base; characterized in that: The burn-through pneumatic contactor also includes a fixed frame, a cylinder assembly and a cylinder base; the static copper bar base is arranged on one side of the fixed frame, and the cylinder base is arranged on the other side of the fixed frame; the cylinder assembly is connected to the moving copper bar base, and the cylinder assembly is fixed on the cylinder base.

2. A burn-through pneumatic contactor according to claim 1, characterized in that: The fixed frame includes two groups of lead screws; connecting through holes are respectively arranged on both sides of the static copper bar base and the cylinder base; the two groups of lead screws respectively pass through the connecting through holes on both sides of the static copper bar base and the cylinder base.

3. A burn-through pneumatic contactor according to claim 2, characterized in that: The fixed frame also includes a first fixing member and a second fixing member; one end of the lead screw is provided with a first fixing member for fixing the static copper bar base, and the other end of the lead screw is provided with a second fixing member for fixing the cylinder base.

4. A burn-through pneumatic contactor according to claim 3, characterized in that: An insulating component is provided between the static copper bar base and the lead screw; an insulating component is provided between the cylinder base and the lead screw.

5. A burn-through pneumatic contactor according to claim 4, characterized in that: The insulating component is any one of an insulating tube and an insulating pad.

6. A burn-through pneumatic contactor according to claim 3, characterized in that: The first fixing member includes a first adjusting nut and a first locking nut; the second fixing member includes a second adjusting nut and a second locking nut; the first adjusting nut is arranged on one side of the static copper bar base, and the first locking nut is arranged on the other side of the static copper bar base; the second adjusting nut is arranged on one side of the cylinder base, and the second locking nut is arranged on the other side of the cylinder base.

7. A burn-through pneumatic contactor according to claim 6, characterized in that: A copper bar is arranged on one side of the movable copper bar base, and two parallel connecting plates are arranged on the other side; a first fixing hole is arranged on one connecting plate; and a second fixing hole is arranged on the other connecting plate.

8. A burn-through pneumatic contactor according to claim 7, characterized in that: The cylinder assembly comprises a cylinder and a pin; the cylinder is fixedly mounted on the cylinder base; the output end of the cylinder is connected to the connecting plate via a pin.

9. A burn-through pneumatic contactor according to claim 8, characterized in that: The output end of the cylinder extends into between the two parallel connecting plates, and a mounting hole is arranged at the output end of the cylinder; the pin passes through the first fixing hole, the mounting hole and the second fixing hole in sequence.

10. A burn-through pneumatic contactor according to claim 9, characterized in that: The cylinder assembly also includes a cotter pin, and a pin groove is provided at the end of the pin shaft. The cotter pin is inserted into the pin groove to fix the pin shaft.

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