Disassembling and assembling device for quickly disassembling and assembling middle and small sleeves of blast-furnace tuyere

Abstract

The utility model discloses a dismounting and mounting device for quickly dismounting and mounting middle and small sleeves of a blast furnace tuyere, which comprises a traveling vehicle body, a hydraulic-pneumatic hammer, a translation hydraulic cylinder and a tilting hydraulic cylinder, the hydraulic-pneumatic hammer, the translation hydraulic cylinder and the tilting hydraulic cylinder are assembled on the vehicle body, an anchor hook is assembled at the hammerhead end of the hydraulic-pneumatic hammer, a sliding seat is arranged between the hydraulic-pneumatic hammer and the vehicle body, and one end of the hydraulic-pneumatic hammer is rotatably connected with the sliding seat. The other end of the hydraulic-pneumatic hammer is rotationally connected with the other end of the sliding seat through a tilting hydraulic cylinder so as to drive the hydraulic-pneumatic hammer to tilt up and down and adjust the extension angle of the anchor hook, and the anchor hook extends and retracts by driving the sliding seat to advance and retreat, and the hook part is driven to hook the front end of a small sleeve in a tuyere or abut against the rear end of the small sleeve in the tuyere in a matched manner; therefore, the middle sleeve and the small sleeve of the tuyere can be quickly disassembled and assembled, the damping-down time of a blast furnace is shortened, the labor intensity of workers is effectively reduced, and the production efficiency is improved. The anchor hook can be used for correspondingly pulling out or propping against the middle sleeve and the small sleeve of the tuyere and synchronously driving the hook part to hit the front end or the rear end of the middle sleeve and the small sleeve of the tuyere.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgy, in particular to a disassembly and assembly device for quickly disassembling and assembling middle and small sleeves of a blast furnace tuyere. Background Art

[0002] During the smelting process of an iron-making blast furnace, hot air at about 1200°C needs to be blown into the blast furnace through multiple tuyere ports. Among them, the tuyere small sleeve and tuyere middle sleeve, which are closest to the furnace, are easy to burn out and therefore need to be replaced frequently, especially when the furnace condition is abnormal.

[0003] Since blast furnaces are different in size, they are generally equipped with several to dozens of tuyere and correspondingly equipped with several to dozens of tuyere sleeves. Each tuyere sleeve includes a small tuyere sleeve, a medium tuyere sleeve and a large tuyere sleeve. The small tuyere sleeve, the medium tuyere sleeve and the large tuyere sleeve are squeezed together to form an interference fit to achieve a sealing effect.

[0004] Every time the blast furnace is shut down, a large number of tuyere sleeves need to be replaced, and the workload is also heavy. In addition, due to the high-temperature thermal stress formed by the blast furnace, the small tuyere sleeve is extremely difficult to remove and replace from the middle tuyere sleeve, or the middle tuyere sleeve is extremely difficult to remove and replace from the large tuyere sleeve. Therefore, the disassembly and assembly of the middle and small tuyere sleeves is difficult, labor-intensive and time-consuming. Summary of the Invention

[0005] To this end, in order to solve the above problems, the utility model provides a disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere, which can quickly disassemble and assemble the middle and small sleeves of the tuyere to reduce the blast furnace outage time, effectively reduce the labor intensity of workers and improve production efficiency.

[0006] To achieve the above purpose, the technical solutions provided by the present invention are as follows:

[0007] The utility model provides a disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere, comprising a movable vehicle body and a hydraulic drive mechanism assembled on the vehicle body; the hydraulic drive mechanism comprises a liquid-pneumatic hammer, a translation hydraulic cylinder and a tilting hydraulic cylinder; the hammer head end of the liquid-pneumatic hammer is equipped with an anchor hook, the anchor hook has a bent hook portion, and the hook portion has an abutting plane for abutting and hitting the front and rear ends of the middle and small sleeves of the tuyere; a slide seat is provided between the liquid-pneumatic hammer and the vehicle body, and the slide seat can be slidably assembled on the vehicle body; the liquid-pneumatic hammer is rotated to connect one end of the slide seat with one end close to the anchor hook, and the liquid-pneumatic hammer is away from the anchor hook. One end is rotatably connected to one end of the tilting hydraulic cylinder, and the other end of the tilting hydraulic cylinder is rotatably connected to the other end of the slide, and the tilting hydraulic cylinder is used to drive the liquid-pneumatic hammer to tilt up and down to adjust the extension angle of the anchor hook on the liquid-pneumatic hammer; the translation hydraulic cylinder is driven and connected to the slide to make the slide move forward and backward, and is used to drive the hook to hook the front end of the tuyere and small sleeve or to press against the rear end of the tuyere and small sleeve, thereby ensuring that the anchor hook is pulled out or pressed against the tuyere and small sleeve accordingly; the liquid-pneumatic hammer is used to drive the hook to hit the front end or rear end of the tuyere and small sleeve to form a quick disassembly and assembly setting for the tuyere and small sleeve.

[0008] Furthermore, the hydraulic drive mechanism also includes a lifting drive component; the vehicle body includes a base and a movable bracket, the lifting drive component is assembled on the base, and the slide can be slidably assembled on the movable bracket; the lifting drive component drives the movable bracket to drive the movable bracket to rise and fall, thereby adjusting the height of the hook.

[0009] Furthermore, the lifting drive assembly includes a lifting fork rod and a lifting hydraulic cylinder. The base is connected to the movable bracket through the lifting fork rod. The lifting hydraulic cylinder drives the lifting fork rod to drive the lifting fork rod to open and close, thereby driving the movable bracket to rise and fall to roughly adjust the height of the anchor hook.

[0010] Furthermore, it also includes an operating valve station, which includes a reversing valve, a throttle valve and a pressure reducing valve; the reversing valve is used to control the direction of hydraulic oil entering each hydraulic cylinder and liquid-pneumatic hammer of the hydraulic drive mechanism, thereby controlling the movement direction of each hydraulic cylinder and liquid-pneumatic hammer; the throttle valve is used to adjust the hydraulic oil flow of each hydraulic cylinder and liquid-pneumatic hammer, thereby adjusting the movement speed of each hydraulic cylinder and liquid-pneumatic hammer; the pressure reducing valve is used to adjust the hydraulic oil pressure corresponding to each hydraulic cylinder and liquid-pneumatic hammer, thereby adjusting the movement force of each hydraulic cylinder and liquid-pneumatic hammer.

[0011] Furthermore, it also includes a hydraulic station, which is used to provide hydraulic oil to each hydraulic cylinder and hydraulic hammer of the hydraulic drive mechanism.

[0012] Furthermore, universal running wheels are installed at the bottom of the vehicle body so that the vehicle body can walk on the tuyere platform.

[0013] Furthermore, the vehicle body is provided with a loose bolt for fixing it to the tuyere platform.

[0014] Furthermore, the anchor hook has a connecting rod portion, one end of the connecting rod portion is fixedly connected to the hammer head end of the hydraulic hammer, and the other end is fixed with the hook portion.

[0015] The technical solution provided by the utility model has the following beneficial effects:

[0016] Through the cooperation of the translation hydraulic cylinder, the tilting hydraulic cylinder and the liquid-pneumatic hammer, the hook of the anchor hook can hook the front end of the tuyere middle and small sleeves or press against the rear end of the tuyere middle and small sleeves, that is, ensure that the anchor hook can be pulled out or press against the tuyere middle and small sleeves accordingly, and the extension angle of the anchor hook can be adjusted. It can also enable the hook to hit the front end or rear end of the tuyere middle and small sleeves to overcome the excessive interference pre-tightening force formed by high-temperature thermal stress, and finally realize the rapid disassembly and assembly of the tuyere middle and small sleeves, so as to reduce the blast furnace outage time, effectively reduce the labor intensity of workers and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure shows a disassembly method of a disassembly device for quickly disassembling and assembling the middle and small sleeves of a blast furnace tuyere in an embodiment;

[0018] Figure 2 The figure shows a state schematic diagram of the disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere in the embodiment when the disassembly is completed;

[0019] Figure 3 The figure shows a schematic diagram of the installation method of the disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere in the embodiment;

[0020] Figure 4 The figure shows a state schematic diagram of the disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere when the device is in the middle and small sleeves of the transfer tuyere in the embodiment;

[0021] Figure 5 The figure shows a state diagram of the disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere when the tuyere and vent tuyere are in the middle and small sleeves in the embodiment. DETAILED DESCRIPTION

[0022] To further illustrate various embodiments, the present invention is provided with accompanying drawings. These drawings form part of the disclosure of this invention and are primarily used to illustrate the embodiments and, in conjunction with the relevant description in the specification, to explain the operating principles of the embodiments. By referring to these drawings, those skilled in the art will understand other possible implementations and the advantages of this invention. The components in the figures are not drawn to scale, and similar reference numerals are generally used to represent similar components.

[0023] The present invention will now be further described with reference to the accompanying drawings and specific implementation methods.

[0024] Reference Figure 1 As shown, this embodiment provides a disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere (hereinafter referred to as the disassembly and assembly device), and the disassembly and assembly device of this embodiment is arranged on the tuyere platform 11 of the blast furnace, and the middle and small sleeves of the tuyere located in front of it are disassembled and assembled, so as to realize the disassembly and replacement of the small sleeve 12 of the tuyere from the middle sleeve 13 of the blast furnace, and the disassembly and assembly of the middle sleeve 13 of the tuyere from the large sleeve of the tuyere.

[0025] The disassembly and assembly device of this embodiment includes a movable vehicle body 4 and a hydraulic drive mechanism assembled on the vehicle body 4. The hydraulic drive mechanism includes a hydro-pneumatic hammer 1, a translation hydraulic cylinder 8 and a tilting hydraulic cylinder 3. Universal walking wheels 44 are installed at the bottom of the vehicle body 4 so that the vehicle body 4 can move freely on the tuyere platform 11 to facilitate workers' operation.

[0026] The hammer head end of the hydraulic hammer 1 is equipped with an anchor hook 2, which has a connecting rod 21 and a bent hook 22. The rear end of the connecting rod 21 is fixedly connected to the hammer head end of the hydraulic hammer 1, and the front end of the connecting rod 21 is fixed with the hook 22. The hook 22 has abutting surfaces for abutting and hitting the front and rear ends of the tuyere and small sleeve, while also ensuring that the hook 22 will not cause damage to the end faces of the tuyere and small sleeve.

[0027] A slide 43 is provided between the hydraulic hammer 1 and the vehicle body 4. The slide 43 can be slidably assembled on the vehicle body 4 forward and backward. The front end of the hydraulic hammer 1 is rotated to connect to the front end of the slide 43 when it is close to the anchor hook 2, and the rear end of the hydraulic hammer 1 is rotated away from the anchor hook 2 to connect to the upper end of the tilting hydraulic cylinder 3. The lower end of the tilting hydraulic cylinder 3 is rotated to connect to the rear end of the slide 43. The tilting hydraulic cylinder 3 is used to drive the hydraulic hammer 1 to tilt up and down, that is, to retract or extend the telescopic end of the tilting hydraulic cylinder 3 to realize the up and down tilting of the hydraulic hammer 1 in the vertical direction, so as to adjust the extension angle of the anchor hook 2 on the hydraulic hammer 1, that is, to ensure that the hook portion 22 of the anchor hook 2 can make an up and down tilting action within a certain inclination angle range.

[0028] The translation hydraulic cylinder 8 drives the connecting slide 43 to move the slide 43 forward and backward, thereby driving the hydro-pneumatic hammer 1, the tilting hydraulic cylinder 3 and the anchor hook 2 on the slide 43 to move forward and backward synchronously, so as to drive the hook 22 to hook the front end of the tuyere or small sleeve or to press against the rear end of the tuyere or small sleeve, thereby ensuring that the anchor hook 2 is pulled out or pressed against the tuyere or small sleeve accordingly.

[0029] The hydraulic hammer 1 is used to drive the hook portion 22 to strike the front or rear end of the tuyere middle or small sleeve, thereby forming a quick disassembly and installation arrangement for the tuyere middle or small sleeve. Of course, the hydraulic hammer 1 itself can further rotate the hook portion 22 of the anchor hook 2 within a certain smaller angle range to ensure that the hook portion 22 engages the tuyere middle or small sleeve more quickly and accurately.

[0030] During specific implementation, the car body 4 is provided with a loose bolt 7 for fixing it on the air outlet platform 11. The loose bolt 7 is T-shaped, so that the car body 4 can be detachably fixed on the air outlet platform 11, and can overcome the reaction force formed when disassembling and assembling the middle and small sleeves of the air outlet, so that the fixation of the car body 4 is more secure, thereby facilitating subsequent disassembly and assembly operations.

[0031] By cooperating with the translation hydraulic cylinder 8, the tilting hydraulic cylinder 3 and the hydro-pneumatic hammer 1, the hook portion 22 of the anchor hook 2 can hook the front end of the tuyere middle and small sleeves or press against the rear end of the tuyere middle and small sleeves, thereby ensuring that the anchor hook 2 can be pulled out or pressed against the tuyere middle and small sleeves accordingly, and the extension angle of the anchor hook 2 can be adjusted. The hook portion 22 can also hit the front end or rear end of the tuyere middle and small sleeves to overcome the excessive interference pre-tightening force formed by high-temperature thermal stress, and finally realize the rapid disassembly and assembly of the tuyere middle and small sleeves, thereby reducing the blast furnace outage time, effectively reducing the labor intensity of workers and improving production efficiency.

[0032] In another preferred embodiment, when there are multiple models of tuyere sleeves for different blast furnaces, that is, the center heights of the middle and small tuyere sleeves are different, it is necessary to roughly adjust the height of the anchor hook 2 before disassembly and assembly to align it with the center hole of the tuyere sleeve. Figure 1 As shown, the hydraulic drive mechanism of the disassembly and assembly device of this embodiment also includes a lifting drive component, the vehicle body 4 includes a base 41 and a movable bracket 42, the universal walking wheel 44 is assembled on the base, the lifting drive component is assembled on the base 41, the slide 43 is slidably assembled on the movable bracket 42, the translation hydraulic cylinder 8 is assembled on the movable bracket 42, and drives the slide 43 to slide forward and backward on the movable bracket 42, and the lifting drive component drives the connection movable bracket 42 to drive the movable bracket 42 to rise and fall, thereby coarsely adjusting the height of the hook 22.

[0033] To be more specific, the lifting drive assembly includes a lifting fork rod 10 and a lifting hydraulic cylinder 9. The base 41 is connected to the movable bracket 42 through the lifting fork rod 10. The lifting hydraulic cylinder 9 drives the lifting fork rod 10 to drive the lifting fork rod 10 to open and close, thereby driving the movable bracket 42 to rise and fall to roughly adjust the height of the anchor hook 2.

[0034] The disassembly and assembly device of this embodiment also includes an operating valve station 5 and a hydraulic station 6. The operating valve station 5 includes a reversing valve, a throttle valve and a pressure reducing valve, wherein the reversing valve is used to control the hydraulic oil entry direction of each hydraulic cylinder and the liquid-gas hammer 1 (i.e., the translation hydraulic cylinder 8, the tilting hydraulic cylinder 3, the liquid-gas hammer 1 and the lifting hydraulic cylinder 9) of the hydraulic drive mechanism, thereby controlling the movement direction of each hydraulic cylinder and the liquid-gas hammer 1; the throttle valve is used to adjust the hydraulic oil flow of each hydraulic cylinder and the liquid-gas hammer 1, thereby adjusting the movement speed of each hydraulic cylinder and the liquid-gas hammer 1; the pressure reducing valve is used to adjust the hydraulic oil pressure corresponding to each hydraulic cylinder and the liquid-gas hammer 1, thereby adjusting the movement force of each hydraulic cylinder and the liquid-gas hammer 1; the hydraulic station 6 is used to provide hydraulic oil to each hydraulic cylinder and the liquid-gas hammer 1 of the hydraulic drive mechanism.

[0035] By adjusting the throttle valve and pressure reducing valve corresponding to each circuit, the speed and strength of each disassembly and assembly action can be adjusted, making disassembly and assembly more convenient. At the same time, it can meet the disassembly and assembly requirements of air outlets of different sizes, so it has a wider applicability.

[0036] Moreover, heavier components such as the operating valve platform 5 and the hydraulic station 6 are arranged on the base 41 located below, so as to achieve better stability of the entire disassembly and assembly device.

[0037] In addition, the operation method of the disassembly and assembly device of this embodiment is as follows:

[0038] like Figure 1The hook 22 of the anchor hook 2 is then pulled back to the front of the tuyere sleeve 12. The hydraulic cylinder 8 still continues to apply a backward pulling force to the slide 43 and the anchor hook 2 on the hydraulic hammer 1, so as to pull the hydraulic hammer 1 and the anchor hook 2 in the backward direction, thereby pulling the tuyere sleeve 12 out of the tuyere middle sleeve 13 backward. During the pulling process, the hydraulic hammer 1 is started to make the anchor hook 2 on the hydraulic hammer 1 hit the front end of the tuyere sleeve 12 in the backward direction. Then, under the combined action of the pulling force of the translation hydraulic cylinder 8 and the hitting force of the hydraulic hammer 1, the first joint corresponding to the first angular position between the tuyere sleeve 12 and the tuyere middle sleeve 13 is loosened. Then, the extension angle of the anchor hook 2 is changed by tilting the hydraulic cylinder 3, and the height of the hook part 22 of the anchor hook 2 is also changed, so as to drive the abutting plane of the hook part 22 on the rear side to abut against the second angular position of the front end of the tuyere sleeve 12. Then, according to the operating steps for the first angular position, the second joint corresponding to the second angular position is disassembled. This is repeated many times to quickly remove the tuyere sleeve 12 and remove it as shown in the figure. Figure 2 The air inlet sleeve 12 shown is set on the anchor hook 2.

[0039] like Figure 4 and Figure 5 As shown, after the tuyere sleeve 12 is removed, the loosening bolt 7 is loosened, and then the disassembly and assembly device and the tuyere sleeve 12 sleeved on the anchor hook 2 are moved to the designated area together, and then the tuyere sleeve 12 is placed in the designated position.

[0040] like Figure 3As shown, when the tuyere sleeve 12 needs to be installed, first take out a new tuyere sleeve 12 at the designated position, then move the disassembly and assembly device and the tuyere sleeve 12 mounted on the anchor hook 2 to the position of the corresponding tuyere sleeve, then fix the disassembly and assembly device on the tuyere platform 11 by the loose bolt 7, then adjust the height of the hydraulic hammer 1 and the anchor hook 2 by the lifting hydraulic cylinder 9, so that the tuyere sleeve 12 on the anchor hook 2 is aligned with the center hole of the tuyere sleeve 13, then drive the hydraulic hammer 1 and the anchor hook 2 forward together by the translation hydraulic cylinder 8, so that the tuyere sleeve 12 on the anchor hook 2 is aligned with the center hole of the tuyere sleeve 13, and finally move the hydraulic hammer 1 and the anchor hook 2 forward together by the translation hydraulic cylinder 8, so that the tuyere sleeve 12 on the anchor hook 2 is aligned with the center hole of the tuyere sleeve 13. The tuyere sleeve 12 is inserted into the center hole of the tuyere sleeve 13, and then the hook portion 22 of the anchor hook 2 is retracted from the center hole of the tuyere sleeve 12. Then, the extension angle of the anchor hook 2 is adjusted by the tilting hydraulic cylinder 3, and the hook portion 22 of the hydraulic hammer 1 is further rotated within a small angle range. The hydraulic cylinder 8 is cooperated to drive the abutment plane of the hook portion 22 at the front side to accurately abut against the third angle position of the rear end of the tuyere sleeve 12, and then the hydraulic cylinder 8 is used to drive the anchor hook 2 on the hydraulic hammer 1 to extend forward, so that the hook portion 22 of the anchor hook 2 is The rear end of the tuyere sleeve 12 can be firmly pressed against the rear end of the tuyere sleeve 12. At this time, the translation hydraulic cylinder 8 continues to apply a forward thrust to the slide 43 and the anchor hook 2 on the hydraulic hammer 1, so as to push the hydraulic hammer 1 and the anchor hook 2 forward, thereby pushing the tuyere sleeve 12 into the center hole of the tuyere middle sleeve 13. During the pushing process, the hydraulic hammer 1 is started to make the anchor hook 2 on the hydraulic hammer 1 hit the rear end of the tuyere sleeve 12 in the forward direction, thereby compressing the space between the tuyere sleeve 12 and the tuyere middle sleeve 13 under the combined action of the thrust of the translation hydraulic cylinder 8 and the striking force of the hydraulic hammer 1. The third joint corresponding to the third angular position, thereby ensuring that the interference preload force of the third joint meets the requirements, and then the extension angle of the anchor hook 2 is changed by tilting the hydraulic cylinder 3 and the hydraulic hammer 1 further rotates the hook 22 within a small angle range, so as to drive the abutment plane of the hook 22 on the front side to accurately abut the fourth angular position of the rear end of the tuyere sleeve 12, and then perform the interference installation of the fourth joint corresponding to the fourth angular position according to the above-mentioned operating steps for the third angular position, and repeat this multiple times to quickly install and replace the new tuyere sleeve 12.

[0041] like Figure 4 and Figure 5 As shown, after the new air inlet sleeve 12 is installed, the loosening bolt 7 is loosened, and then the disassembly and assembly device is moved back to the designated area.

[0042] Of course, the quick disassembly and assembly operation mode of the middle tuyere sleeve 13 from the large tuyere sleeve is similar to the quick disassembly and assembly operation mode of the small tuyere sleeve 12 from the large tuyere sleeve, which will not be described in detail here.

[0043] The disassembly and assembly device of this embodiment integrates the slide 43, the lifting fork rod 10, the operating valve platform 5 and various hydraulic cylinders on the same vehicle body 4, so as to integrate various actions of disassembling and assembling multiple air vents and small sets on the same device, thereby facilitating convenient operation for workers. The hydraulic drive mechanism has a high hydraulic drive power density and occupies a small volume, making the entire disassembly and assembly device more compact.

[0044] The disassembly and assembly device of the present embodiment can realize the adjustment of the tilting angle, height, front and rear position of the anchor hook 2, so that when disassembling and assembling the middle and small tuyere sleeves, they can be struck at different tilting angles, thereby making the small tuyere sleeve 12, the middle tuyere sleeve 13 and the large tuyere sleeve fit each other evenly and tightly during installation, and not prone to gas leakage; and the force is evenly applied during disassembly, making it easier to disassemble, and because the anchor hook 2 has multiple degrees of freedom of adjustment, it can be applied to the disassembly and assembly of tuyere middle and small sleeves of different sizes and angles and blast furnaces. Therefore, the disassembly and assembly device of the present embodiment has extremely wide applicability.

[0045] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes can be made to the form and details of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims, and all of these changes are within the scope of protection of the present invention.

Claims

1. A disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere, characterized by: It includes a walkable vehicle body and a hydraulic drive mechanism assembled on the vehicle body; The hydraulic drive mechanism includes a hydro-pneumatic hammer, a translation hydraulic cylinder and a tilting hydraulic cylinder; The hammer head end of the hydraulic hammer is equipped with an anchor hook, the anchor hook has a bent hook portion, and the hook portion has abutment planes for abutting and striking the front and rear ends of the middle and small sleeves of the tuyere; A slide is provided between the hydraulic hammer and the vehicle body, and the slide is slidably assembled on the vehicle body; one end of the hydraulic hammer close to the anchor hook is rotatably connected to one end of the slide, and the end of the hydraulic hammer away from the anchor hook is rotatably connected to one end of the tilting hydraulic cylinder, and the other end of the tilting hydraulic cylinder is rotatably connected to the other end of the slide, and the tilting hydraulic cylinder is used to drive the hydraulic hammer to tilt up and down to adjust the extension angle of the anchor hook on the hydraulic hammer; The translation hydraulic cylinder drives the slide to move forward and backward, and is used to drive the hook to hook the front end of the tuyere or small sleeve or to press against the rear end of the tuyere or small sleeve, thereby ensuring that the anchor hook is pulled out or pressed against the tuyere or small sleeve accordingly; The hydraulic hammer is used to drive the hook to hit the front end or rear end of the tuyere middle and small sleeves, so as to form a quick disassembly and assembly arrangement for the tuyere middle and small sleeves.

2. The disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere according to claim 1 is characterized in that: The hydraulic drive mechanism also includes a lifting drive component; the vehicle body includes a base and a movable bracket, the lifting drive component is assembled on the base, and the slide can be slidably assembled on the movable bracket; the lifting drive component drives the movable bracket to drive the movable bracket to rise and fall, thereby adjusting the height of the hook.

3. The disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere according to claim 2 is characterized in that: The lifting drive assembly includes a lifting fork rod and a lifting hydraulic cylinder. The base is connected to the movable bracket through the lifting fork rod. The lifting hydraulic cylinder drives the lifting fork rod to drive the lifting fork rod to open and close, thereby driving the movable bracket to rise and fall to roughly adjust the height of the anchor hook.

4. The disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere according to any one of claims 1 to 3, characterized in that: It also includes an operating valve station, which includes a reversing valve, a throttle valve and a pressure reducing valve; the reversing valve is used to control the direction of hydraulic oil entering each hydraulic cylinder and liquid-pneumatic hammer of the hydraulic drive mechanism, thereby controlling the movement direction of each hydraulic cylinder and liquid-pneumatic hammer; the throttle valve is used to adjust the hydraulic oil flow of each hydraulic cylinder and liquid-pneumatic hammer, thereby adjusting the movement speed of each hydraulic cylinder and liquid-pneumatic hammer; the pressure reducing valve is used to adjust the hydraulic oil pressure corresponding to each hydraulic cylinder and liquid-pneumatic hammer, thereby adjusting the movement force of each hydraulic cylinder and liquid-pneumatic hammer.

5. The disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere according to claim 4, characterized in that: It also includes a hydraulic station, which is used to provide hydraulic oil to each hydraulic cylinder and the hydraulic hammer of the hydraulic drive mechanism.

6. The disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere according to any one of claims 1 to 3, characterized in that: Universal running wheels are installed at the bottom of the vehicle body so that the vehicle body can walk on the tuyere platform.

7. The disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of the blast furnace tuyere according to claim 6, characterized in that: The car body is provided with a loose bolt for fixing it on the tuyere platform.

8. The disassembly and assembly device for quickly disassembling and assembling the middle and small sleeves of a blast furnace tuyere according to any one of claims 1 to 3, characterized in that: The anchor hook has a connecting rod portion, one end of which is fixedly connected to the hammer head end of the hydraulic hammer, and the other end of which is fixed with the hook portion.

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