Graphite electrode splicing auxiliary device suitable for refining furnace
By designing an auxiliary device for graphite electrode connection, the automatic connection of new and old electrodes is achieved through lifting, clamping and twisting mechanisms. This solves the problems of high labor intensity and high safety risks in electrode connection in refining furnaces, and improves connection efficiency and safety.
Patent Information
- Application Number
- CN202520022904.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-06
AI Technical Summary
In refining furnaces, the docking of new and old electrodes is labor-intensive, inefficient, and carries the risk of burns from high temperatures. Existing technologies cannot effectively reduce operational risks and improve docking efficiency.
A graphite electrode connection auxiliary device was designed, comprising a traveling vehicle, a lifting section, a clamping section, and a docking section. The device utilizes lifting, clamping, and twisting mechanisms to achieve automatic docking of new and old electrodes, and achieves electrode docking through the guidance of an arc-shaped limiting plate and the rotation of the twisting mechanism.
It reduced the labor intensity of workers, improved the efficiency of connecting new and old electrodes, reduced the risk of high-temperature burns, and improved operational safety.
Smart Images
Figure CN223729199U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an auxiliary device, in particular to a device capable of assisting workers to butt joint new and old electrodes, and belongs to the technical field of electrode extension auxiliary equipment. BACKGROUND
[0002] The ladle refining furnace is an important off-oven refining equipment in the metallurgical production process; in the process of refining furnace smelting liquid steel, the submerged arc heating method is used to heat the molten steel and make slag; at this time, the graphite electrode will be eroded by the ladle slag and the liquid steel, causing loss, and needs to be regularly stopped to butt joint new electrodes at the top of the old electrode to lengthen, so as to ensure that the electrode length can meet the refining requirements; the butt joint mode of new and old electrodes is that the workers control the crown block to transport the new electrode to the top of the old electrode, then butt joint the threaded column at the bottom of the new electrode and the threaded hole at the top of the old electrode, and manually align and rotate to tighten the butt joint, which is high in labor intensity and low in operation efficiency, and moreover, the workers are at risk of high-temperature scalding when working beside the refining furnace, which threatens the personal safety of the workers; therefore, a graphite electrode extension auxiliary device suitable for the refining furnace is needed, which can assist workers to efficiently install and butt joint new electrodes, thereby reducing the total time of electrode butt joint and the labor intensity of workers and reducing the operation risk. SUMMARY
[0003] The utility model aims at overcoming the defects of the prior art, and provides a graphite electrode extension auxiliary device suitable for the refining furnace, which can not only reduce the labor intensity of workers, but also improve the butt joint efficiency of new and old electrodes.
[0004] The problem is solved by the following technical scheme.
[0005] A graphite electrode extension auxiliary device suitable for the refining furnace, comprising a walking vehicle, a lifting part, a clamping part and a butt joint part; the lifting part is arranged on the walking vehicle; the clamping part is arranged on the lifting part; the number of butt joint parts is two, and they are symmetrically arranged on the two sides of the clamping part; the walking vehicle comprises a base and universal wheels; universal wheels are arranged at the four corners of the lower end face of the base.
[0006] The graphite electrode extension auxiliary device suitable for the refining furnace, the lifting part includes a stand, a lifting rod, a first motor, a lead screw, a lead screw nut and a horizontal plate; the stand is arranged on the top end surface of the base; the center of the stand is provided with a vertical hole, and the lifting rod is inserted into the center hole of the stand; the first motor is arranged on the upper end surface of the base, and the horizontal plate is arranged on the top end of the side wall of the stand; one end of the lead screw is connected with the output shaft of the first motor, and the other end of the lead screw is connected with the bottom end surface of the horizontal plate; the lead screw nut is arranged on the lead screw; a vertical strip-shaped hole is arranged on the side wall of the stand, and the lead screw nut is connected with the side wall of the lifting rod through the strip-shaped hole.
[0007] The graphite electrode extension auxiliary device suitable for the refining furnace, the clamping part includes a center plate, a winch, a center block and a clamping mechanism; the center block is arranged on the top end of the side wall of the lifting rod; the center of the center plate is provided with a hinge seat, and the center block and the hinge seat form a hinged fitting connection structure; the winch is arranged on the top end of the lifting rod, and the end of the pull rope of the winch is connected with the center of the top end surface of the center plate; the number of the clamping mechanism is two, and the clamping mechanism is symmetrically arranged on both ends of the center plate.
[0008] The graphite electrode extension auxiliary device suitable for the refining furnace, the clamping mechanism includes a cylinder and a clamping plate; the end of the clamping plate is provided with a guide hole, and the center plate passes through the guide hole of the clamping plate; the cylinder is arranged on the side wall of the center plate, and the end of the piston rod of the cylinder is connected with the clamping plate.
[0009] The graphite electrode extension auxiliary device suitable for the refining furnace, the clamping mechanism includes a cylinder and a clamping plate; the end of the clamping plate is provided with a guide hole, and the center plate passes through the guide hole of the clamping plate; the cylinder is arranged on the side wall of the center plate, and the end of the piston rod of the cylinder is connected with the clamping plate.
[0010] The graphite electrode extension auxiliary device suitable for the refining furnace, the clamping mechanism includes a cylinder and a clamping plate; the end of the clamping plate is provided with a guide hole, and the center plate passes through the guide hole of the clamping plate; the cylinder is arranged on the side wall of the center plate, and the end of the piston rod of the cylinder is connected with the clamping plate.
[0011] The graphite electrode extension auxiliary device suitable for the refining furnace, the clamping mechanism includes a cylinder and a clamping plate; the end of the clamping plate is provided with a guide hole, and the center plate passes through the guide hole of the clamping plate; the cylinder is arranged on the side wall of the center plate, and the end of the piston rod of the cylinder is connected with the clamping plate. The driving part includes a second motor, a driving gear, a bottom plate, a side plate, a top plate and a roller; the bottom plate is arranged on the end of the upper end surface of the cross support, the side plate is arranged on the upper end surface of the bottom plate, and the top plate is arranged on the top end surface of the side plate, and the bottom plate, the side plate and the top plate form a U-shaped shape; the two ends of the roller are respectively connected between the top plate and the bottom plate; the end of the roller is provided with a round rod, and the round rod is provided with a driven gear; the second motor is arranged on the outer wall of the side plate, and the output shaft of the second motor is provided with a driving gear; the driving gear and the driven gear are meshing transmission connection; the belt is arranged between the two rollers.
[0012] The utility model discloses through walking car and elevating portion moves the clamping portion and the butt joint portion to the junction of new and old electrode, through the arc limit board provides the guidance for new electrode, make it can aim at old electrode, and then facilitate the butt joint operation of subsequent, through the rotation of screw mechanism to new electrode has been rotated, make its bottom end can butt joint with old electrode. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;
[0014] Figure 2 It is the local enlarged structure schematic diagram of the utility model A.
[0015] The list of each reference numeral in the drawing is: 1. walking car, 2. stand, 3. lifting rod, 4. first motor, 5. screw nut, 6. horizontal plate, 7. center plate, 8. winch, 9. air cylinder, 10. clamping plate, 11. arc limit board, 12. cross strut, 13. belt, 14. second motor, 15. roller. DETAILED DESCRIPTION
[0016] Referring to Figure 1 And Figure 2 The utility model discloses a walking car 1, elevating portion, clamping portion and butt joint portion, the elevating portion sets up on walking car 1, walking car 1 can drive remaining part and move to electrode, the elevating portion can make clamping portion and butt joint portion can move to new and old electrode junction position, the clamping portion sets up on elevating portion, the quantity of butt joint portion is two, and it is symmetrically set up in the both sides of clamping portion, clamping portion is used to drive the butt joint portion of both sides and draw close, and then from both sides direction on new and old electrode, walking car 1 includes base and universal wheel, the four corners of base lower end surface all are provided with universal wheel.
[0017] The elevating portion includes stand 2, lifting rod 3, first motor 4, screw rod, screw rod nut 5 and horizontal plate 6, the stand 2 sets up at the top end surface of base, the stand 2 center is provided with vertical hole, and lifting rod 3 is inserted in the center hole of stand 2, under the guidance of the center hole of stand 2, the elevating of lifting rod 3 provides the guiding action, first motor 4 sets up on the top end surface of base, and horizontal plate 6 sets up at the top of stand 2 side wall, one end of screw rod is connected with first motor 4 output shaft, and the other end of screw rod is connected with the bottom end surface shaft of horizontal plate 6, first motor 4 can drive screw rod rotation, screw rod nut 5 sets up on screw rod, and screw rod nut moves along with the rotation of screw rod, the vertical strip hole is set up on the side wall of stand 2, and screw rod nut 5 passes through strip hole and is connected with lifting rod 3 side wall, and screw rod nut drives lifting rod 3 synchronous elevating.
[0018] The clamping part comprises a center plate 7, a winch 8, a center block and a clamping mechanism; the center block is arranged at the top end of the side wall of the lifting rod 3; the center plate 7 is centrally provided with a hinged seat, and the center block and the hinged seat form a hinged fitting connection structure; the orientation of the center plate 7 is changed through rotation between the center plate 7 and the center block, so as to adjust the center line of the arc-shaped limiting plate 11, thereby ensuring that the center line of the arc-shaped limiting plate 11 can be parallel to the axial line of the old electrode; the winch 8 is arranged at the top end of the lifting rod 3, and the end of the pull rope of the winch 8 is connected with the center of the top end surface of the center plate 7; the inclined orientation of the center plate 7 is controlled through the winding and unwinding of the winch 8, thereby controlling the orientation of the arc-shaped limiting plate 11, so that the arc-shaped limiting plate 11 can be parallel to the axial line of the old electrode; the number of the clamping mechanisms is two, and the clamping mechanisms are symmetrically arranged at the two ends of the center plate 7.
[0019] The clamping mechanism comprises a pneumatic cylinder 9 and a clamping plate 10; the end of the clamping plate 10 is provided with a guide hole, and the center plate 7 passes through the guide hole of the clamping plate 10; the clamping plate 10 slides along the length direction of the center plate 7, and the pneumatic cylinder 9 drives the clamping plate 10 to move; the pneumatic cylinder 9 is arranged on the side wall of the center plate 7, and the end of the piston rod of the pneumatic cylinder 9 is connected with the clamping plate 10; the clamping plate 10 on the two sides is driven to move close to or away from each other through the action of the two pneumatic cylinders 9.
[0020] The butt joint part comprises an arc-shaped limiting plate 11, a horizontal support rod 12 and a screwing mechanism; the arc-shaped outer wall of the arc-shaped limiting plate 11 is connected with the end of the clamping plate 10 away from the center plate 7; the two arc-shaped limiting plates 11 are driven to move close to each other by the clamping plates 10 on the two sides, thereby clamping the new and old electrodes, so that the axial lines of the new and old electrodes can coincide, and it is ensured that the butt joint parts of the new and old electrodes can be reliably butt jointed; the horizontal support rod 12 is arranged at the top end of the arc-shaped outer wall of the arc-shaped limiting plate 11; the screwing mechanism is arranged at the top end surface of the horizontal support rod 12; the length direction line of the arc-shaped limiting plate 11 is a vertical line.
[0021] The screwing mechanism comprises a driving member and a belt 13; the number of the driving members is two, and the driving members are symmetrically arranged at the two ends of the upper end surface of the horizontal support rod 12, and the belt 13 is arranged between the two driving members.
[0022] The driving member comprises a second motor 14, a driving gear, a bottom plate, a side plate, a top plate and a roller 15; the bottom plate is arranged at the end of the upper end surface of the horizontal support rod 12, the side plate is arranged on the upper end surface of the bottom plate, and the top plate is arranged on the top end surface of the side plate, and the bottom plate, the side plate and the top plate form a U-shaped structure; the two ends of the roller 15 are respectively connected between the top plate and the bottom plate; the end of the roller 15 is provided with a round rod, and the round rod is provided with a driven gear; the second motor 14 is arranged on the outer wall of the side plate, and the output shaft of the second motor 14 is provided with a driving gear; the driving gear and the driven gear are in meshing transmission connection; the second motor 14 can drive the roller 15 to rotate, thereby driving the belt to move; since the new electrode is clamped between the belts on both sides, and the belt has a certain touch pressure with the new electrode, when the belt moves, the new electrode will be adaptively rotated, thereby enabling the bottom end of the new electrode to be connected with the top end of the old electrode through rotation; the belt 13 is arranged between the two rollers 15.
[0023] Principle of use: when the new and old electrodes need to be connected, the device is moved to the side of the old electrode, and then the first motor 4 is started to lift the center plate 7 until the center point of the arc-shaped limiting plate 11 is consistent with the height of the top end of the old electrode; then the device is pushed so that the old electrode is surrounded by the arc-shaped limiting plates 11 on both sides; then the cylinder 9 is started to clamp the old electrode by the arc-shaped limiting plates 11 on both sides, and then the crown moves the new electrode below the old electrode, and the arc-shaped limiting plates 11 on both sides guide the new electrode to ensure that the axis lines of the two electrodes can coincide; after the installation positions of the new and old electrodes are contacted, the belts 13 on both sides are tightly pressed on the new electrode, the second motor 14 is started to drive the belt to move, and the moving belt drives the new electrode to rotate until the new electrode is rotated in place and successfully connected with the old electrode, the cylinder 9 is reset to drive the clamping plates 10 to move away from each other, thereby canceling the contact with the new and old electrodes, and then the device is removed, and thus the connection work of the new and old electrodes is completed.
Claims
1. A graphite electrode extension aid suitable for use in a refining furnace, characterised in that: Including walking car (1), lifting part, clamping part and butt joint part, the lifting part is arranged on the walking car (1), the clamping part is arranged on the lifting part, the butt joint part is two, and it is symmetrically arranged on the both sides of clamping part, the walking car (1) includes base and universal wheel, the base lower end surface four corners are all provided with universal wheel.
2. A graphite electrode extension aid suitable for use in a refining furnace according to claim 1, characterized in that: The lifting part includes stand (2), lifting rod (3), first motor (4), lead screw, lead screw nut (5) and horizontal plate (6), the stand (2) is arranged on the top end surface of base, the stand (2) center is provided with vertical hole, and the lifting rod (3) is inserted in the central hole of stand (2), the first motor (4) is arranged on the upper end surface of base, and the horizontal plate (6) is arranged on the top end of stand (2) side wall, one end of the lead screw is connected with the output shaft of first motor (4), the other end of the lead screw is connected with the bottom end surface of horizontal plate (6), the lead screw nut (5) is arranged on the lead screw, the vertical strip hole is formed on the side wall of stand (2), and the lead screw nut (5) passes through the strip hole and is connected with the side wall of lifting rod (3).
3. A graphite electrode extension aid suitable for use in a refining furnace according to claim 2, characterized in that: The clamping part includes center plate (7), winch (8), center block and clamping mechanism, the center block is arranged on the top end of lifting rod (3) side wall, the center plate (7) center is provided with hinged seat, and the center block and hinged seat constitute hinged fit connection structure, the winch (8) is arranged on the top end of lifting rod (3), and the rope end is connected with the center plate (7) top end surface center, the clamping mechanism is two, and it is symmetrically arranged on the both ends of center plate (7).
4. A graphite electrode extension aid suitable for use in a refining furnace according to claim 3, characterized in that: The clamping mechanism includes air cylinder (9) and clamping plate (10), the end of clamping plate (10) is provided with guide hole, and the center plate (7) passes through the guide hole of clamping plate (10), the air cylinder (9) is arranged on the side wall of center plate (7), and the end of piston rod is connected with clamping plate (10).
5. A graphite electrode extension aid suitable for use in a refining furnace according to claim 4, characterized in that: The butt joint part includes arc limit plate (11), horizontal support rod (12) and screwing mechanism, the arc outer wall of arc limit plate (11) is connected with the end of clamping plate (10) away from center plate (7), the horizontal support rod (12) is arranged on the top end of arc limit plate (11) arc outer wall, the screwing mechanism is arranged on the top end surface of horizontal support rod (12), the length direction line of arc limit plate (11) is vertical line.
6. A graphite electrode extension aid suitable for use in a refining furnace according to claim 5, characterized in that: The screwing mechanism includes driving element and belt (13), the number of driving element is two, and it is symmetrically arranged on the both ends of horizontal support rod (12) upper end surface, and the belt (13) is arranged between the two driving elements.
7. A graphite electrode extension aid suitable for use in a refining furnace according to claim 6, characterized in that: The driving member comprises a second motor (14), a driving gear, a bottom plate, a side plate, a top plate and a roller (15); the bottom plate is arranged at the end of the upper end surface of the horizontal support rod (12), the side plate is arranged on the upper end surface of the bottom plate, and the top plate is arranged on the top end surface of the side plate, so that the bottom plate, the side plate and the top plate form a U-shaped structure; the two ends of the roller (15) are respectively connected with the top plate and the bottom plate through shafts; the end of the roller (15) is provided with a round rod, and a driven gear is arranged on the round rod; the second motor (14) is arranged on the outer wall of the side plate, and the output shaft of the second motor (14) is provided with a driving gear; the driving gear and the driven gear are in meshing transmission connection; and the belt (13) is arranged between the two rollers (15).