Manipulator for removing tapping hole

By designing a robot for the EBT steel outlet removal of the electric arc furnace, the sintered bricks and slags were crushed by hydraulic breakers, the problems of difficulty in replacing the steel outlet and uncertain time were solved, and the replacement time control and production efficiency were improved.

CN222537677UActive Publication Date: 2025-02-28SHANDONG PANJIN FORGING MASCH CO LTD
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Patent Information

Application Number
CN202421341451.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-28
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

When replacing the EBT steel outlet of the electric arc furnace, it is difficult to replace due to sintering and water-steel erosion, and the time is uncertain, which affects the production rhythm, power consumption and cost.

Method used

A steel outlet removal robot is designed, including columns, slewing support, reducer motor, rotary arm, telescopic arm assembly and hydraulic breaker. The sintered bricks and slag are crushed by hydraulic breaker to control the replacement time.

Benefits of technology

It effectively controls the replacement time of steel outlets, improves the controllability of the production rhythm, reduces the refining power consumption and production costs, reduces the labor intensity of workers, and avoids the safety hazards of using driving hooks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tapping hole dismantling manipulator which comprises a stand column, a slewing bearing, a gear motor, a rotating arm, a telescopic arm assembly and a hydraulic breaking hammer. The slewing bearing is installed at the top end of the stand column. The gear motor is in transmission connection with the slewing bearing; one end of the rotating arm is in transmission connection with the slewing bearing; the telescopic arm assembly comprises a telescopic outer arm, a telescopic inner arm and a hydraulic cylinder, and the telescopic arm assembly is connected with the other end of the rotating arm; and the hydraulic breaking hammer is fixed at the bottom end of the telescopic inner arm. In the using process, the gear motor drives the slewing bearing to rotate, the slewing bearing drives the rotating arm to rotate, then the telescopic arm assembly is driven to adjust the position, and when the telescopic inner arm stretches out and draws back, the hydraulic breaking hammer is driven to stretch out and draw back up and down to move in place, and sintered bricks and slag can be broken. Therefore, the time for replacing the tapping hole is effectively controlled, the production rhythm control is facilitated, the refining power consumption and the production cost are reduced, the labor intensity is reduced, and the potential safety hazard caused by using a crane to hook is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric arc furnaces, in particular to a steel outlet removal manipulator. Background Art

[0002] During the production process, the EBT taphole of the electric arc furnace is replaced frequently, and the taphole needs to be replaced every 160-180 furnaces. Because the EBT taphole is subjected to high-temperature sintering, erosion by molten steel and other factors during use, it is difficult to replace the EBT taphole. Sometimes it is necessary to use a crane hook and manpower for dismantling, and the time is difficult to control. Due to the uncertainty of the time to replace the EBT taphole, it has a great impact on the production rhythm control, refining power consumption, and production cost, and improvements must be made. Utility Model Content

[0003] In view of the above-mentioned shortcomings, the technical problem to be solved by the utility model is: to provide a steel outlet dismantling robot. When replacing the EBT steel outlet, the hydraulic breaker of the utility model is used to break the sintered bricks and slag, effectively control the time of replacing the steel outlet, which is beneficial to the production rhythm control, reduces the refining power consumption and production cost, reduces the labor intensity of workers, and avoids the safety hazards existing in the use of crane hooks.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A steel outlet removal robot comprises: a column, which is used for supporting and fixing; a slewing bearing, which is installed at the top of the column; a reduction motor, whose output shaft is transmission-connected to the slewing bearing, and the reduction motor is used to drive the slewing bearing to rotate; a rotating arm, one end of which is coaxially arranged with the slewing bearing, and one end of which is transmission-connected to the slewing bearing, and the rotating arm rotates under the drive of the slewing bearing; a telescopic arm assembly, which comprises a telescopic outer arm, a telescopic inner arm arranged on the inner side of the telescopic outer arm, and a hydraulic cylinder that drives the telescopic inner arm to telescope within the telescopic outer wall, the telescopic arm assembly is connected to the other end of the slewing arm, and the slewing arm drives the telescopic arm assembly to rotate; and a hydraulic breaker, which is fixed to the bottom end of the telescopic inner arm.

[0006] Preferably, the telescopic outer arm of the telescopic arm assembly is hingedly connected to the other end of the rotating arm via a rotating sleeve.

[0007] Preferably, an upper fixing plate and a lower fixing plate are provided at the top end of the column, the upper fixing plate and the lower fixing plate are spaced apart, and the slewing bearing is installed between the upper fixing plate and the lower fixing plate.

[0008] A preferred embodiment is that a connecting through hole is provided at one end of the rotating arm away from the telescopic arm assembly, a shaft sleeve is provided in the connecting through hole, two tapered roller bearings are provided in the shaft sleeve, and the two tapered roller bearings are spaced apart from each other up and down; and the two tapered roller bearings are connected to the slewing bearing via a vertically arranged pin shaft.

[0009] Preferably, the top end cover of the connecting through hole is provided with a dust cover.

[0010] Preferably, a rotating base is provided on a side of the rotating arm facing the slewing bearing.

[0011] Preferably, the slewing bearing is an external gear slewing bearing.

[0012] After adopting the above technical solution, the beneficial effects of the utility model are:

[0013] The steel outlet dismantling manipulator of the utility model includes a column, a slewing bearing, a reduction motor, a rotating arm, a telescopic arm assembly and a hydraulic breaker; the slewing bearing is installed at the top of the column; the output shaft of the reduction motor is connected to the slewing bearing, and the reduction motor is used to drive the slewing bearing to rotate; one end of the rotating arm is coaxially arranged with the slewing bearing, and one end of the rotating arm is connected to the slewing bearing, and the rotating arm rotates under the drive of the slewing bearing; the telescopic arm assembly includes a telescopic outer arm, a telescopic inner arm arranged on the inner side of the telescopic outer arm, and a hydraulic cylinder that drives the telescopic inner arm to extend and retract in the telescopic outer wall, the telescopic arm assembly is connected to the other end of the rotating arm, and the rotating arm drives the telescopic arm assembly to rotate; the hydraulic breaker is fixed at the bottom end of the telescopic inner arm. In actual use, after the reduction motor is started, it drives the slewing bearing to rotate, and the slewing bearing drives the rotating arm to rotate in the horizontal direction, and then drives the telescopic arm assembly to adjust its position in the horizontal direction. When the hydraulic cylinder drives the telescopic inner arm to extend and retract, it drives the hydraulic breaker to extend and retract. After the hydraulic breaker moves into place, the sintered bricks and slag can be crushed. It can be seen that the utility model effectively controls the time for replacing the steel outlet, is conducive to production rhythm control, reduces refining power consumption and production costs, reduces the labor intensity of workers, and avoids the safety hazards existing in the use of crane hooks. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the steel outlet removal manipulator in the utility model;

[0015] Figure 2 It is a structural schematic diagram of the central column and the rotating arm of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the lower fixing plate in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the upper fixing plate in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the rotating arm in the utility model;

[0019] Figure 6 It is a top view of the rotating arm in the utility model;

[0020] Figure 7 It is a structural schematic diagram of the telescopic outer arm and the telescopic inner arm in the utility model;

[0021] Figure 8 It is a top view of the telescopic outer arm and the telescopic inner arm of the utility model;

[0022] In the figure: 1-column, 2-slewing bearing, 3-reduction motor, 4-rotating arm, 40-rotating sleeve, 41-rotating base, 42-square hollow steel, 44-sleeve, 5-telescopic outer arm, 6-telescopic inner arm, 7-hydraulic breaker, 8-tapered roller bearing, 9-dust cover, 10-lower fixing plate, 11-upper fixing plate, 12-pin shaft, 13-hydraulic cylinder. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0025] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] like Figures 1 to 8 As shown together, a steel outlet removal robot comprises a column 1, a slewing bearing 2, a reduction motor 3, a rotating arm 4, a telescopic arm assembly and a hydraulic breaker 7, wherein the column 1 is used for support and fixation.

[0027] like Figure 2 , Figure 3 and Figure 4 As described above, the slewing bearing 2 is installed at the top of the column 1. In this embodiment, the slewing bearing 2 is an external gear slewing bearing 2. Specifically, an upper fixing plate 11 and a lower fixing plate 10 are provided at the top of the column 1. The upper fixing plate 11 and the lower fixing plate 10 are arranged at intervals, and the slewing bearing 2 is installed between the upper fixing plate 11 and the lower fixing plate 10.

[0028] like Figure 5 and Figure 6 As described above, one end of the rotating arm 4 is coaxially arranged with the slewing bearing 2 , and one end of the rotating arm 4 is transmission-connected with the slewing bearing 2 , and the rotating arm 4 rotates under the drive of the slewing bearing 2 .

[0029] like Figure 7 and Figure 8 As shown, the telescopic arm assembly includes a telescopic outer arm 5, a telescopic inner arm 6 arranged on the inner side of the telescopic outer arm 5, and a hydraulic cylinder 13 that drives the telescopic inner arm 6 to extend and retract in the telescopic outer wall. The telescopic arm assembly is connected to the other end of the rotating arm 4, and the rotating arm 4 drives the telescopic arm assembly to rotate; the hydraulic breaker 7 is fixed at the bottom end of the telescopic inner arm 6.

[0030] Specifically, the rotating arm 4 includes a square hollow steel 42, and a connecting through hole is provided at one end of the square hollow steel 42 away from the telescopic arm assembly, and a shaft sleeve 44 is provided in the connecting through hole, and two tapered roller bearings 8 are provided in the shaft sleeve 44, and the two tapered roller bearings 8 are arranged at intervals up and down; and the two tapered roller bearings 8 are connected to the slewing support 2 through a vertically arranged pin 12. A dust cover 9 is provided at the top cover of the connecting through hole; and a rotating base 41 is provided on the side of the rotating arm 4 facing the slewing support 2.

[0031] like Figure 5 and Figure 6 As described, in this embodiment, a rotating sleeve 40 is provided at one end of the square hollow steel 42 near the telescopic arm assembly, and the telescopic outer arm 5 is hingedly connected to the rotating arm 4 through the rotating sleeve 40, so that the telescopic arm assembly can swing horizontally and be telescopically adjusted in the up and down directions to adjust to a suitable position.

[0032] like Figure 1 As shown, the output shaft of the reduction motor 3 is drivingly connected with the slewing bearing 2 , and the reduction motor 3 is used to drive the slewing bearing 2 to rotate. The reduction motor 3 can be installed on the upper fixed plate 11 .

[0033] like Figures 1 to 8As shown in the figure, when the utility model is actually used, the length of the rotating arm 4 and the height of the column 1 of the steel outlet removal manipulator are designed according to the existing distance between the furnace shell and the platform, and the column 1 is fixed on the upper part of the platform. After the assembly of the column 1, the slewing bearing 2, the rotating arm 4, and the reduction motor 3, the rotating arm 4 and the telescopic arm assembly can rotate 180 degrees under the drive of the reduction motor 3. The telescopic outer arm 5 at the front end of the rotating arm 4 can swing to a vertical angle under the push of the hydraulic cylinder 13. The telescopic outer arm 5 cooperates with the telescopic inner arm 6 to use the thrust of the hydraulic cylinder 13 to retract. A 53 hydraulic breaker 7 with a 53*2800mm drill rod is installed under the telescopic inner arm 6. When the installed steel outlet removal manipulator replaces the EBT steel outlet, the hydraulic breaker 7 can move up and down under the thrust of the telescopic arm, and the hydraulic breaker 7 can quickly break the bricks and slag at the steel outlet.

[0034] It can be seen that the utility model effectively controls the time for replacing the steel outlet, is conducive to production rhythm control, reduces refining power consumption and production costs, reduces the labor intensity of workers, and avoids the safety hazards existing in the use of crane hooks.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications made within the spirit and principles of the present utility model, improvements of the same steel outlet removal robot, etc., should be included in the protection scope of the present utility model.

Claims

1. A steel outlet removal robot, characterized in that: include: A column, the column is used for supporting and fixing; A slewing bearing, the slewing bearing being mounted on the top end of the column; A reduction motor, the output shaft of which is transmission-connected to the slewing bearing, and the reduction motor is used to drive the slewing bearing to rotate; A rotating arm, one end of which is coaxially arranged with the slewing bearing, and one end of which is transmission-connected with the slewing bearing, and the rotating arm rotates under the drive of the slewing bearing; A telescopic arm assembly, the telescopic arm assembly comprising a telescopic outer arm, a telescopic inner arm arranged inside the telescopic outer arm, and a hydraulic cylinder driving the telescopic inner arm to extend and retract inside the telescopic outer wall, the telescopic arm assembly is connected to the other end of the rotating arm, and the rotating arm drives the telescopic arm assembly to rotate; A hydraulic breaker hammer is fixed to the bottom end of the telescopic inner arm.

2. The steel outlet removal robot according to claim 1, characterized in that: The telescopic outer arm of the telescopic arm assembly is hingedly connected to the other end of the rotating arm through a rotating sleeve.

3. The steel outlet removal robot according to claim 1, characterized in that: An upper fixing plate and a lower fixing plate are arranged at the top end of the column, the upper fixing plate and the lower fixing plate are arranged at an interval, and the slewing bearing is installed between the upper fixing plate and the lower fixing plate.

4. The steel outlet removal robot according to claim 1, characterized in that: A connecting through hole is provided at one end of the rotating arm away from the telescopic arm assembly, a shaft sleeve is provided in the connecting through hole, two tapered roller bearings are provided in the shaft sleeve, and the two tapered roller bearings are arranged at intervals up and down; The two tapered roller bearings are connected to the slewing support via vertically arranged pins.

5. The steel outlet removal robot according to claim 4, characterized in that: The top end cover of the connecting through hole is provided with a dust cover.

6. The steel outlet removal robot according to claim 4, characterized in that: A rotating base is arranged on one side of the rotating arm facing the slewing bearing.

7. The steel outlet removal robot according to claim 1, characterized in that: The slewing bearing is an external gear slewing bearing.