Loading and unloading device suitable for blast furnace belly pipe

Abstract

A loading and unloading device suitable for a blast furnace belly pipe comprises a lifting part, a transverse moving part, a long sliding plate and a lifting part. The transverse moving part is arranged on the lifting part; the long sliding plate is arranged on the transverse moving part; the two lifting parts are symmetrically arranged at the two ends of the upper end face of the long sliding plate in the length direction of the long sliding plate. According to the utility model, the loading and unloading efficiency of the belly pipe is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to a loading and unloading device, in particular to a device capable of assisting workers in disassembling and installing a blast furnace direct blowing pipe, belonging to the technical field of blast furnace direct blowing pipe loading and unloading equipment. Background Technique

[0002] The blast furnace direct blowing pipe is an essential equipment in the blast furnace air supply system, which is used to reliably send hot air into the blast furnace, and the hot air reacts with various materials in the blast furnace; due to various reasons, in order to ensure the reliable operation of the air supply operation, it is necessary to regularly replace the direct blowing pipe; at present, the replacement of the direct blowing pipe is completed manually. Workers disassemble the old direct blowing pipe and then install a new one. In this process, due to the large weight of the direct blowing pipe and the high temperature at the site, the replacement efficiency of workers is low, the time consumed is long, and the labor intensity of workers is large. The speed of replacing the direct blowing pipe directly affects the production progress of the blast furnace; therefore, a loading and unloading device is needed to improve the installation and disassembly efficiency of the direct blowing pipe and reduce the labor intensity of workers. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a loading and unloading device suitable for blast furnace direct blowing pipes, which can not only reduce the labor intensity of workers but also improve the loading and unloading efficiency of blast furnace direct blowing pipes.

[0004] The problems of the utility model are solved by the following technical solutions:

[0005] A loading and unloading device suitable for blast furnace direct blowing pipes includes a lifting part, a transverse movement part, a long slide plate, and a lifting part; the transverse movement part is arranged on the lifting part; the long slide plate is arranged on the transverse movement part; the number of the lifting parts is two, and they are symmetrically arranged at both ends of the upper end surface of the long slide plate along the length direction of the long slide plate; the lifting part includes a bottom plate, a guide post, a guide rod, a jack, and a lifting plate; universal wheels are arranged at the four corners of the lower end surface of the bottom plate; guide posts are arranged at the four corners of the upper end surface of the bottom plate; the top of the guide post is provided with a hole, and the guide rod is inserted into the hole of the guide post; the four corners of the lower end surface of the lifting plate are respectively connected to the top ends of the corresponding guide rods; the jack housing is arranged at the center position of the upper end surface of the bottom plate, and the end of its piston rod is connected to the center of the bottom end surface of the lifting plate.

[0006] The above-mentioned loading and unloading device applicable to the blast furnace direct blowing pipe, wherein the transverse movement part includes a first motor, a first lead screw, a first support plate and a first lead screw nut; the first motor and the first support plate are respectively arranged at two ends of the top surface of the lifting plate in the length direction; one end of the first lead screw is connected to the output shaft of the first motor, and the other end of the first lead screw is pivotally connected to the first support plate; the first lead screw nut is arranged on the first lead screw; a slide rail is arranged on the upper end surface of the lifting plate along its length direction, and the long slide plate is slidably arranged on the slide rail on the upper end surface of the lifting plate; a through hole is arranged at the bottom end of the long slide plate, and the first lead screw nut is arranged in the through hole at the bottom end of the long slide plate, and the first lead screw passes through the through hole at the bottom end of the long slide plate; the length direction line of the long slide plate is parallel to the length direction line of the lifting plate.

[0007] The above-mentioned loading and unloading device applicable to the blast furnace direct blowing pipe, wherein the lifting part includes a moving mechanism and a lifting mechanism; the moving mechanism is arranged on the top surface of the long slide plate, and the lifting mechanism is arranged on the moving mechanism.

[0008] The above-mentioned loading and unloading device applicable to the blast furnace direct blowing pipe, wherein the moving mechanism includes a second motor, a second lead screw, a second lead screw nut, a second support plate and a short slide plate; a slide rail is arranged on the upper end surface of the long slide plate, and the center line of the slide rail on the long slide plate is perpendicular to the length direction line of the long slide plate; the short slide plate is slidably arranged on the slide rail on the upper end surface of the long slide plate; the length direction line of the short slide plate is perpendicular to the length direction line of the long slide plate; the second motor and the second support plate are arranged on both sides of the long slide plate along the length direction of the short slide plate; one end of the second lead screw is connected to the output shaft of the second motor, and the other end of the second lead screw is pivotally connected to the second support plate; a through hole is arranged at the bottom end of the short slide plate, and the second lead screw nut is arranged in the through hole at the bottom end of the short slide plate; the second lead screw passes through the through hole at the bottom end of the short slide plate and passes through the second lead screw nut.

[0009] The above-mentioned loading and unloading device applicable to the blast furnace direct blowing pipe, wherein the lifting mechanism includes a rotating plate, a rotating motor and a lifting member; a groove is arranged at the center of the top surface of the short slide plate, and the rotating motor is arranged in the groove at the center of the top surface of the short slide plate; the output shaft of the rotating motor is connected to the center of the bottom end surface of the rotating plate; a plurality of universal balls are embedded in the bottom end surface of the rotating plate, and the universal balls are in contact with the top surface of the short slide plate; the number of the lifting members is two, and they are symmetrically arranged on both sides of the top surface of the rotating plate.

[0010] The above-mentioned loading and unloading device applicable to the blast furnace direct blowing pipe, wherein the lifting member includes a fixed square column, a hydraulic cylinder, a guide plate and an arc-shaped supporting plate; the fixed square column is arranged on one side of the top surface of the rotating plate; a hole is arranged at the center of the top surface of the fixed square column, and the hydraulic cylinder housing is arranged in the hole at the top of the fixed square column; guide holes are arranged at both ends of the top surface of the fixed square column, and guide plates are respectively arranged in the guide holes on both sides of the top surface of the fixed square column; the arc-shaped supporting plate has an upward opening, and the center of the bottom end surface thereof is connected to the end of the piston rod of the hydraulic cylinder, and both ends of the bottom end surface of the arc-shaped supporting plate are respectively connected to the top ends of the two guide plates.

[0011] The utility model drives the rest of the parts to lift through the lifting part, so as to smoothly contact the direct blowing pipe; through the cooperation of the transverse movement part and the long sliding plate, a new direct blowing pipe can be installed immediately after the old direct blowing pipe is disassembled, greatly improving the efficiency; the two lifting parts on the long sliding plate respectively carry the old direct blowing pipe and the new direct blowing pipe, eliminating the preparation time for handling the old direct blowing pipe and the new direct blowing pipe. Brief Description of the Drawings

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] The list of each label in the figure is as follows: 1. Long sliding plate, 2. Bottom plate, 3. Guide post, 4. Guide rod, 5. Jack, 6. Lifting plate, 7. First motor, 8. Second motor, 9. Short sliding plate, 10. Rotating plate, 11. Fixed square column, 12. Guide plate, 13. Arc-shaped supporting plate. Detailed Description of the Preferred Embodiment

[0014] Referring to Figure 1 , the utility model includes a lifting part, a transverse movement part, a long sliding plate 1 and a lifting part; the transverse movement part is arranged on the lifting part; the lifting part can drive the rest of the parts to lift, so as to better contact the direct blowing pipe; the long sliding plate 1 is arranged on the transverse movement part; the transverse movement part can drive the long sliding plate 1 to slide, so as to swap the positions of the old direct blowing pipe and the new direct blowing pipe, and finally realize the replacement of the old and new direct blowing pipes; the number of the lifting parts is two, and they are symmetrically arranged at both ends of the upper end surface of the long sliding plate 1 along the length direction of the long sliding plate 1; the two lifting parts respectively lift the new direct blowing pipe and the old direct blowing pipe; by sliding the long sliding plate 1 to swap the positions of the two lifting parts, the positions of the old and new direct blowing pipes are swapped, so as to achieve the purpose of replacing the direct blowing pipe.

[0015] The lifting part includes a bottom plate 2, guide columns 3, guide rods 4, a jack 5, and a lifting plate 6; universal wheels are provided at the four corners of the lower end face of the bottom plate 2; the universal wheels enable the lifting part to be displaced, and thus move directly below the straight blowpipe to be replaced; guide columns 3 are provided at the four corners of the upper end face of the bottom plate 2; holes are provided at the tops of the guide columns 3, and the guide rods 4 are inserted into the holes of the guide columns 3; the four corners of the lower end face of the lifting plate 6 are respectively connected to the tops of the corresponding guide rods 4; the cooperation of the guide columns 3 and the guide rods 4 provides a guiding effect for the lifting of the lifting plate 6, ensuring that the lifting plate 6 can be lifted and lowered smoothly; the housing of the jack 5 is arranged at the central position of the upper end face of the bottom plate 2, and the end of its piston rod is connected to the center of the bottom end face of the lifting plate 6; the jack 5 can drive the lifting plate 6 to vertically lift and lower, and thus adjust the height of the rest of the part.

[0016] The transverse movement part includes a first motor 7, a first lead screw, a first support plate, and a first lead screw nut; the first motor 7 and the first support plate are respectively arranged at the two ends in the length direction of the top end face of the lifting plate 6; one end of the first lead screw is connected to the output shaft of the first motor 7, and the other end of the first lead screw is pivotally connected to the first support plate; the first motor 7 can drive the first lead screw to rotate, and thus drive the first lead screw nut on the first lead screw to move along the first lead screw. Since the first lead screw nut is arranged on the long slide plate 1, the long slide plate 1 slides synchronously with the sliding of the first lead screw nut; the first lead screw nut is arranged on the first lead screw; a slide rail is arranged along the length direction of the upper end face of the lifting plate 6, and the long slide plate 1 is slidably arranged on the slide rail of the upper end face of the lifting plate 6; a through hole is provided at the bottom end of the long slide plate 1, and the first lead screw nut is arranged in the through hole at the bottom end of the long slide plate 1, and the first lead screw passes through the through hole at the bottom end of the long slide plate 1; the length direction line of the long slide plate 1 is parallel to the length direction line of the lifting plate 6.

[0017] The lifting part includes a moving mechanism and a lifting mechanism; the moving mechanism is used to push the straight blowpipe into or out of the tuyere sleeve; the moving mechanism is arranged on the top end face of the long slide plate 1, and the lifting mechanism is arranged on the moving mechanism.

[0018] The moving mechanism includes a second motor 8, a second lead screw, a second lead screw nut, a second support plate, and a short slide plate 9; a slide rail is provided on the upper end surface of the long slide plate 1, and the center line of the slide rail on the long slide plate 1 is perpendicular to the length direction line of the long slide plate 1; that is to say, the movement trajectories of the long slide plate and the short slide plate 9 are perpendicular to each other; the short slide plate 9 is slidably arranged on the slide rail on the upper end surface of the long slide plate 1; the length direction line of the short slide plate 9 is perpendicular to the length direction line of the long slide plate 1; the second motor 8 and the second support plate are arranged on both sides of the long slide plate 1 along the length direction of the short slide plate 9; one end of the second lead screw is connected to the output shaft of the second motor 8, and the other end of the second lead screw is pivotally connected to the second support plate; a through hole is provided at the bottom end of the short slide plate 9, and the second lead screw nut is arranged in the through hole at the bottom end of the short slide plate 9; the second lead screw passes through the through hole at the bottom end of the short slide plate 9 and passes through the second lead screw nut; the second motor can drive the second lead screw to rotate, thereby driving the second lead screw nut and the short slide plate 9 to move synchronously.

[0019] The lifting mechanism includes a rotating plate 10, a rotating motor, and a lifting member; a groove is provided at the center of the top end surface of the short slide plate 9, and the rotating motor is arranged in the groove at the center of the top end surface of the short slide plate 9; the output shaft of the rotating motor is connected to the center of the bottom end surface of the rotating plate 10; a plurality of universal balls are embedded in the bottom end surface of the rotating plate 10, and the universal balls are in contact with the top end surface of the short slide plate 9; the rotating motor can drive the rotating plate 10 to rotate in place, thereby adjusting the horizontal angle of the direct blowing pipe during installation to ensure that the direct blowing pipe can be smoothly inserted into the tuyere sleeve; the setting of the universal balls minimizes the friction between the rotating plate 10 and the short slide plate 9 to ensure that the rotating plate 10 can rotate smoothly; the number of the lifting members is two, and they are symmetrically arranged on both sides of the top end surface of the rotating plate 10, and the two lifting members lift the bottom end of the outer wall of the direct blowing pipe.

[0020] The lifting member includes a fixed square column 11, a hydraulic cylinder, a guide plate 12, and an arc-shaped support plate 13; the fixed square column 11 is arranged on one side of the top end surface of the rotating plate 10; a hole is provided at the center of the top end surface of the fixed square column 11, and the hydraulic cylinder housing is arranged in the hole at the top end of the fixed square column 11; the hydraulic cylinder drives the arc-shaped support plate 13 to lift and lower, thereby adaptively lifting the direct blowing pipe. By adjusting the front and rear two hydraulic cylinders, the inclination angle of the direct blowing pipe is adjusted to ensure that it can be smoothly inserted into the tuyere sleeve; guide holes are provided at both ends of the top end surface of the fixed square column 11, and guide plates 12 are respectively arranged in the guide holes on both sides of the top end surface of the fixed square column 11; the arc-shaped support plate 13 has an upward opening, and the center of the bottom end surface thereof is connected to the end of the piston rod of the hydraulic cylinder, and both ends of the bottom end surface of the arc-shaped support plate 13 are respectively connected to the top ends of the two guide plates 12; the guide plates provide guidance for the lifting and lowering of the arc-shaped support plate 13 to ensure that the arc-shaped support plate 13 can be smoothly lifted and lowered.

[0021] Principle of use: When the direct blowing pipe needs to be replaced, the new direct blowing pipe is placed on the two arc-shaped supporting plates 13 of a lifting part and then pushed to the bottom of the old direct blowing pipe; the other lifting part is located directly below the old direct blowing pipe; then the jack 5 is started to lift the lifting part, and the angle of the rotating plate 10 and the extension length of the piston rods of the two hydraulic cylinders are adjusted at the same time, so that the two arc-shaped supporting plates 13 can smoothly touch and press on the bottom end surface of the old direct blowing pipe, and then the fixed connection point of the old direct blowing pipe is removed until the weight of the old direct blowing pipe is completely pressed on the two arc-shaped supporting plates, and then After that, the short slide plate 9 corresponding to the old direct blowing pipe retreats under the drive of the second motor until the old direct blowing pipe completely leaves the tuyere sleeve; then the first motor is started to replace the new direct blowing pipe with the old direct blowing pipe; when the new direct blowing pipe is located in front of the tuyere sleeve, the corresponding second motor is started to drive the new direct blowing pipe to slowly enter the tuyere sleeve, and at the same time, the position of the corresponding hydraulic cylinder and the rotary plate is adjusted so that the new direct blowing pipe can be aligned with the tuyere sleeve until the new direct blowing pipe is inserted into place, and then the new direct blowing pipe is installed. After the installation and fixing are completed, the device is removed, and the direct blowing pipe replacement operation is completed.

Claims

1. A loading and unloading device suitable for blast furnace direct blowing pipes, characterized in that: The invention comprises a lifting part, a transverse moving part, a long slide plate (1) and a lifting part; the transverse moving part is arranged on the lifting part; the long slide plate (1) is arranged on the transverse moving part; the lifting parts are two in number and are symmetrically arranged at the two ends of the upper end surface of the long slide plate (1) along the length direction of the long slide plate (1); the lifting part comprises a base plate (2), a guide column (3), a guide rod (4), a jack (5) and a lifting plate (6); universal wheels are arranged at the four corners of the lower end surface of the base plate (2); guide columns (3) are arranged at the four corners of the upper end surface of the base plate (2); a hole is arranged at the top end of the guide column (3), and the guide rod (4) is inserted into the hole of the guide column (3); the four corners of the lower end surface of the lifting plate (6) are respectively connected to the top end of the guide rod (4) at the corresponding position; the housing of the jack (5) is arranged at the center position of the upper end surface of the base plate (2), and the end of its piston rod is connected to the center of the bottom end surface of the lifting plate (6).

2. The loading and unloading device for blast furnace direct blowing pipe according to claim 1 is characterized in that: The transverse movement part comprises a first motor (7), a first lead screw, a first support plate and a first lead screw nut; the first motor (7) and the first support plate are respectively arranged at two ends of the top end surface of the lifting plate (6) in the length direction; one end of the first lead screw is connected to the output shaft of the first motor (7), and the other end of the first lead screw is axially connected to the first support plate; the first lead screw nut is arranged on the first lead screw; the upper end surface of the lifting plate (6) is provided with a slide rail along its length direction, and the long slide plate (1) is slidably arranged on the slide rail of the upper end surface of the lifting plate (6); the bottom end of the long slide plate (1) is provided with a through hole, and the first lead screw nut is arranged in the through hole at the bottom end of the long slide plate (1), and the first lead screw passes through the through hole at the bottom end of the long slide plate (1); the length direction line of the long slide plate (1) is parallel to the length direction line of the lifting plate (6).

3. The loading and unloading device for blast furnace direct blowing pipe according to claim 2 is characterized in that: The lifting part comprises a moving mechanism and a lifting mechanism; the moving mechanism is arranged on the top end surface of the long slide plate (1), and the lifting mechanism is arranged on the moving mechanism.

4. The loading and unloading device for blast furnace direct blowing pipe according to claim 3 is characterized in that: The moving mechanism comprises a second motor (8), a second lead screw, a second lead screw nut, a second support plate and a short slide plate (9); a slide rail is arranged on the upper end surface of the long slide plate (1), and the center line of the slide rail on the long slide plate (1) is perpendicular to the length direction line of the long slide plate (1); the short slide plate (9) is slidably arranged on the slide rail on the upper end surface of the long slide plate (1); the length direction line of the short slide plate (9) is perpendicular to the length direction line of the long slide plate (1); the second motor (8) and the second support plate are arranged on both sides of the long slide plate (1) along the length direction of the short slide plate (9); one end of the second lead screw is connected to the output shaft of the second motor (8), and the other end of the second lead screw is axially connected to the second support plate; a through hole is arranged at the bottom end of the short slide plate (9), and the second lead screw nut is arranged in the through hole at the bottom end of the short slide plate (9); the second lead screw passes through the through hole at the bottom end of the short slide plate (9), and the second lead screw passes through the second lead screw nut.

5. The loading and unloading device for blast furnace direct blowing pipe according to claim 4 is characterized in that: The lifting mechanism comprises a rotary plate (10), a rotary motor and a lifting member; a groove is provided at the center of the top end surface of the short slide plate (9), and the rotary motor is arranged in the groove at the center of the top end surface of the short slide plate (9); the output shaft of the rotary motor is connected to the center of the bottom end surface of the rotary plate (10); the bottom end surface of the rotary plate (10) is inlaid with a plurality of universal balls, and the universal balls are pressed against the top end surface of the short slide plate (9); the number of the lifting members is two, and they are symmetrically arranged on both sides of the top end surface of the rotary plate (10).

6. The loading and unloading device for blast furnace direct blowing pipe according to claim 5 is characterized in that: The lifting member comprises a fixed square column (11), a hydraulic cylinder, a guide plate (12) and an arc-shaped supporting plate (13); the fixed square column (11) is arranged on one side of the top end surface of the rotating plate (10); a hole is arranged at the center of the top end surface of the fixed square column (11), and the hydraulic cylinder housing is arranged in the hole at the top end of the fixed square column (11); guide holes are arranged at both ends of the top end surface of the fixed square column (11), and guide plates (12) are penetrated in the guide holes on both sides of the top end surface of the fixed square column (11); the arc-shaped supporting plate (13) is opened upward, and the center of its bottom end surface is connected to the end of the hydraulic cylinder piston rod, and the two ends of the bottom end surface of the arc-shaped supporting plate (13) are respectively connected to the top ends of the two guide plates (12).

Images