A device for disassembling the inner sleeve of an air vent

Abstract

This utility model discloses a device for disassembling an air vent sleeve, including a base and a hydraulic cylinder. Universal wheels are fixedly installed around the bottom surface of the base. A push plate is fixedly connected to one side of the base, and a lifting component is disposed in the middle of the top surface of the push plate. An operating box is fixedly installed on one side of the top surface of the base. A connecting piece is fixedly connected to one side of the hydraulic cylinder, and a pull rod is fixedly connected to the middle of the other side of the connecting piece. A fixing frame is connected through the pull rod on the side away from the hydraulic cylinder, and the bottom surface of the fixing frame is fixedly connected to the base. By setting a gripping component, the protruding part of the sleeve can be automatically gripped. This eliminates the need for manual adjustment of the gripping claws, requiring only observation of the gripping position by the operator, thus reducing time costs to a certain extent.

Description

Technical Field

[0001] This utility model relates to the technical field of blast furnace maintenance equipment, specifically a tuyeres sleeve disassembly device. Background Technology

[0002] When replacing the inner sleeve during major or medium-scale repairs of a blast furnace, or when the inner sleeve is damaged and needs to be replaced during production, the maintenance method is to manually drive the sliding hammer to pull out the inner sleeve by impacting the pull rod. If this method cannot remove the inner sleeve, the oxygen burning method is used to burn the inner sleeve, soften it, reduce its volume, and then pull it out.

[0003] Publication number CN210596134U discloses a device for dismantling the blast furnace tuyeres sleeve. During dismantling, the ends of the sleeve's tie rods are held in place by jacks on both sides. The jacks are then alternately applied to loosen the sleeve, and then simultaneously applied to pull the sleeve out onto the sleeve bracket, thus completing the dismantling. However, this patent still has the following problems in practical use:

[0004] When disassembling the middle sleeve, the ends of the middle sleeve pull rod are held in place by jacks on both sides. The jacks are then alternately applied to loosen the middle sleeve. Finally, the jacks are simultaneously activated to pull the middle sleeve out onto the middle sleeve bracket, thus completing the disassembly. However, in existing technologies, middle sleeves vary in size. This necessitates the use of devices of different sizes to clamp the middle sleeve and perform hydraulic pulling. Furthermore, in the aforementioned devices, the jacks hold the ends of the middle sleeve pull rod in place, and the alternating application of the jacks loosens the middle sleeve. Then, the jacks are simultaneously activated to pull the middle sleeve out onto the middle sleeve bracket, thus completing the disassembly. This requires manual adjustment of the clamping claws by the operator, which may result in the clamping claws not properly gripping the protruding parts of the middle sleeve.

[0005] A device for disassembling the air vent sleeve is proposed to solve the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a device for disassembling an air vent sleeve, to solve the problem mentioned in the background art. In the current method, when disassembling the sleeve, the ends of the sleeve pull rod are held in place by jacks on both sides. The jacks are then alternately applied to loosen the sleeve, and then simultaneously activated to pull the sleeve out onto the sleeve bracket, thus completing the disassembly. However, in the existing technology, sleeves come in various sizes, requiring the use of devices of different sizes to clamp and hydraulically pull them apart. Furthermore, in the aforementioned device, the sleeve pull rod ends are held in place by jacks on both sides. Alternatingly applying the jacks to loosen the sleeve and then simultaneously activating them to pull it out onto the sleeve bracket completes the disassembly. This requires manual adjustment of the clamping claws, which may result in the clamping claws not properly gripping the protruding parts of the sleeve.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a device for disassembling an air vent sleeve, comprising a base and a hydraulic cylinder, wherein casters are fixedly installed around the bottom surface of the base;

[0008] A push plate is fixedly connected to one side surface of the base, a lifting component is provided in the middle of the top surface of the push plate, an operating box is fixedly installed on one side of the top surface of the base, a connector is fixedly connected to one side surface of the hydraulic cylinder, a pull rod is fixedly connected to the middle of the other side surface of the connector, a fixing frame is connected through the pull rod on the side surface away from the hydraulic cylinder, and the bottom surface of the fixing frame is fixedly connected to the base.

[0009] Also includes:

[0010] The pull rod is provided with a gripping component on the side surface away from the fixed frame;

[0011] The gripping component includes a circular plate that is connected through the pull rod;

[0012] Several fixing plates are fixedly installed on the surface of the circular plate.

[0013] Preferably, the fixed plate has a groove in the middle, an electric telescopic rod is fixedly installed inside the groove, and a connecting block is fixedly connected to the top surface of the electric telescopic rod.

[0014] Preferably, a sliding rod is connected through both sides of the connecting block, and the two sides of the sliding rod are fixedly connected to the groove.

[0015] Preferably, a fixing rod is connected through the middle of the connecting block, and a clamping gripper is fixedly connected to the side surface of the fixing rod away from the connecting block, and an elastic pad is fixedly installed on one side surface of the clamping gripper.

[0016] Preferably, the elastic pad is made of nylon.

[0017] Preferably, the lifting assembly includes a servo motor fixedly connected to the push plate, and a threaded rod is fixedly connected to one side surface of the push plate through the output end of the servo motor. A threaded sleeve is threaded onto the surface of the threaded rod, and a connecting plate is fixedly connected to one side surface of the threaded sleeve.

[0018] Preferably, a limit rod is connected through one side surface of the connecting plate near the threaded sleeve, and the other side surface of the connecting plate is fixedly installed with the hydraulic cylinder.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: This air vent sleeve removal device, by setting up a gripping component, can automatically clamp the protruding part of the sleeve, so that only the gripping position of the gripping claw needs to be observed by the operator, thus eliminating the need for manual adjustment of the gripping claw. This can reduce time costs to a certain extent. The specific details are as follows:

[0020] 1. By setting up a gripping assembly, when it is necessary to disassemble the middle sleeve, the lifting assembly moves the hydraulic cylinder and pull rod to the axis of the middle sleeve. Then, the control box moves the output end of the hydraulic cylinder. At this time, the operator operates the control box to activate the electric telescopic rod on the gripping assembly. Multiple electric telescopic rods are activated simultaneously through the control box, so that the output end of the electric telescopic rod can drive the connecting block to move according to the size of the middle sleeve. The movement of the connecting block can drive the movement of the gripping claw, so that the gripping claw moves to the appropriate position and fully fits the protruding part of the middle sleeve. Then, by retracting the output end of the hydraulic cylinder, the output end of the hydraulic cylinder drives the pull rod to move. The pull rod drives the gripping assembly to move, thereby... The clamping gripper contacts the surface of the middle sleeve. Through the continuous retraction of the hydraulic cylinder, the clamping gripper applies tension to the middle sleeve, thereby separating the middle sleeve from the large sleeve and disassembling the middle sleeve. During the disassembly of the middle sleeve, both the middle sleeve and the large sleeve need to be pre-treated to facilitate the disassembly of the middle sleeve. At the same time, by integrating pressure and displacement sensors, the tension and displacement curves are displayed in real time. When the tension changes abruptly, the machine automatically stops to avoid overload. The control box is divided into a hydraulic control panel and a control panel. The hydraulic control panel mainly controls the hydraulic cylinder, while the control panel controls the electric telescopic rod. The clamping gripper and the fixing rod are made of high-strength materials to prevent breakage or bending of the clamping gripper and the fixing rod during use.

[0021] 2. By setting up a lifting assembly, when it is necessary to move the hydraulic cylinder and tie rod to the axial position of the middle sleeve, the servo motor is started by the control switch, so that the output end of the servo motor drives the rotation of the threaded rod. The rotation of the threaded rod can drive the movement of the threaded sleeve. At the same time, the threaded sleeve is fixedly connected to the connecting plate, while the connecting plate is slidably connected to the limit rod. Through the cooperation between the connecting plate and the limit rod, the threaded sleeve can move on the threaded rod, thereby moving the hydraulic cylinder and tie rod to the axial position of the middle sleeve, which facilitates the subsequent disassembly of the middle sleeve. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the overall internal structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the overall structure of the gripping component in this utility model;

[0025] Figure 4 This is a top view of the overall structure of the gripping component in this utility model;

[0026] Figure 5 This utility model Figure 4 A magnified structural diagram of region A in the middle.

[0027] In the diagram: 1. Base; 2. Casters; 3. Push plate; 4. Lifting assembly; 401. Servo motor; 402. Threaded rod; 403. Threaded sleeve; 5. Control box; 6. Connecting plate; 7. Limiting rod; 8. Hydraulic cylinder; 9. Connecting piece; 10. Pull rod; 11. Fixing frame; 12. Grip assembly; 1201. Circular plate; 1202. Fixing plate; 1203. Groove; 1204. Electric telescopic rod; 1205. Connecting block; 1206. Slide rod; 1207. Fixing rod; 1208. Clamping gripper; 1209. Elastic pad. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-5This utility model provides a technical solution: a device for disassembling an air vent sleeve, comprising a base 1 and a hydraulic cylinder 8. Universal wheels 2 are fixedly installed around the bottom surface of the base 1. A push plate 3 is fixedly connected to one side of the base 1, and a lifting assembly 4 is disposed in the middle of the top surface of the push plate 3. An operating box 5 is fixedly installed on one side of the top surface of the base 1. A connecting piece 9 is fixedly connected to one side of the hydraulic cylinder 8, and a pull rod 10 is fixedly connected to the middle of the other side of the connecting piece 9. A fixing frame 11 is connected through the pull rod 10 on the side away from the hydraulic cylinder 8, and the bottom surface of the fixing frame 11 is fixedly connected to the base 1. The device also includes a gripping assembly 12 disposed on the side of the pull rod 10 away from the fixing frame 11. The gripping assembly 12 includes a circular plate 1201 that is connected through the pull rod 10. Several fixing plates 1202 are fixedly installed on the surface of the circular plate 1201, such as... Figure 1-5 As shown, by setting the gripping component 12, the protruding part of the center sleeve can be automatically clamped, so that the staff only needs to observe the clamping position of the gripping claw, thus eliminating the need for the staff to manually adjust the gripping claw. This can reduce time costs to a certain extent. At the same time, the universal wheel 2 is existing technology and has a self-locking function.

[0030] A groove 1203 is formed in the center of the fixed plate 1202. An electric telescopic rod 1204 is fixedly installed inside the groove 1203. A connecting block 1205 is fixedly connected to the top surface of the electric telescopic rod. Slide rods 1206 are connected through both sides of the connecting block 1205. The two sides of the slide rods 1206 are fixedly connected to the groove 1203. A fixed rod 1207 is connected through the center of the connecting block 1205. A clamping gripper 1208 is fixedly connected to the side of the fixed rod 1207 away from the connecting block 1205. An elastic pad 1209 is fixedly installed on the side of the clamping gripper 1208. The elastic pad 1209 is made of nylon. Figure 3-5As shown, when the middle sleeve needs to be disassembled, the lifting assembly 4 moves the hydraulic cylinder 8 and the pull rod 10 to the axis of the middle sleeve. Then, the output end of the hydraulic cylinder 8 moves through the control box 5. At this time, the operator operates the control box 5 to start the electric telescopic rod 1204 on the gripping assembly 12. At the same time, multiple electric telescopic rods 1204 are started simultaneously through the control box 5, so that the output end of the electric telescopic rod 1204 can drive the connecting block 1205 to move according to the size of the middle sleeve. The movement of the connecting block 1205 can drive the movement of the clamping gripper 1208, thereby clamping the middle sleeve. After the gripper 1208 is moved to the appropriate position so that it is fully engaged with the protrusion of the middle sleeve, the output end of the hydraulic cylinder 8 is retracted, causing the output end of the hydraulic cylinder 8 to drive the pull rod 10 to move. The pull rod 10 then drives the gripping assembly 12 to move, thereby bringing the gripper 1208 into contact with the surface of the middle sleeve. Through the continuous retraction of the hydraulic cylinder 8, the gripper 1208 applies a pulling force to the middle sleeve, thereby separating the middle sleeve from the large sleeve and disassembling the middle sleeve. At the same time, the middle sleeve and the large sleeve need to be pre-treated during the disassembly of the middle sleeve to facilitate the disassembly of the middle sleeve by the device.

[0031] The lifting assembly 4 includes a servo motor 401 fixedly connected to the push plate 3. A threaded rod 402 is fixedly connected to one side of the push plate 3 through the output end of the servo motor 401. A threaded sleeve 403 is provided on the surface of the threaded rod 402. A connecting plate 6 is fixedly connected to one side of the threaded sleeve 403. A limit rod 7 is connected through the connecting plate 6 near the threaded sleeve 403. The other side of the connecting plate 6 is fixedly installed with a hydraulic cylinder 8. Figure 2 As shown, by setting up the lifting assembly 4, when it is necessary to move the hydraulic cylinder 8 and the pull rod 10 to the axial position of the middle sleeve, the servo motor 401 is started by the control switch, so that the output end of the servo motor 401 drives the threaded rod 402 to rotate. The rotation of the threaded rod 402 can drive the threaded sleeve 403 to move. At the same time, the threaded sleeve 403 is fixedly connected to the connecting plate 6, and the connecting plate 6 is slidably connected to the limit rod 7. Through the cooperation between the connecting plate 6 and the limit rod 7, the threaded sleeve 403 can move on the threaded rod 402, thereby moving the hydraulic cylinder 8 and the pull rod 10 to the axial position of the middle sleeve, which facilitates the subsequent disassembly of the middle sleeve.

[0032] Working principle: Before using this type of air vent sleeve removal device, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 5As shown, firstly, by setting up the gripping assembly 12, when it is necessary to disassemble the middle sleeve, the lifting assembly 4 moves the hydraulic cylinder 8 and the pull rod 10 to the axis of the middle sleeve. Then, the operation box 5 moves the output end of the hydraulic cylinder 8. At this time, the operator operates the operation box 5 to start the electric telescopic rod 1204 on the gripping assembly 12. At the same time, multiple electric telescopic rods 1204 are started simultaneously through the operation box 5, so that the output end of the electric telescopic rod 1204 can drive the connecting block 1205 to move according to the size of the middle sleeve. The movement of the connecting block 1205 can drive the movement of the clamping gripper 1208, so that the clamping gripper 1208 moves to the appropriate position. After the clamping gripper 1208 is completely in contact with the protrusion of the middle sleeve, the output end of the hydraulic cylinder 8 is retracted, so that the output end of the hydraulic cylinder 8 drives the pull rod 10 to move. The pull rod 10 drives the gripper... The movement of the holding component 12 causes the clamping gripper 1208 to contact the surface of the middle sleeve. Through the continuous retraction of the hydraulic cylinder 8, the clamping gripper 1208 applies a pulling force to the middle sleeve, thereby separating the middle sleeve from the large sleeve and disassembling the middle sleeve. At the same time, the middle sleeve and the large sleeve need to be pre-processed during the disassembly of the middle sleeve to facilitate the disassembly of the middle sleeve. At the same time, by integrating pressure sensors and displacement sensors, the tension and displacement curves are displayed in real time. When the tension changes suddenly, the machine stops automatically to avoid overload. The control box 5 is divided into a hydraulic control panel and a control panel. The hydraulic control panel mainly controls the hydraulic cylinder 8, while the control panel controls the electric telescopic rod 1204. The clamping gripper 1208 and the fixing rod 1207 are made of high-strength materials to prevent the clamping gripper 1208 and the fixing rod 1207 from breaking or bending during use.

[0033] Secondly, by setting up the lifting assembly 4, when it is necessary to move the hydraulic cylinder 8 and the pull rod 10 to the axial position of the middle sleeve, the servo motor 401 is started by the control switch, so that the output end of the servo motor 401 drives the threaded rod 402 to rotate. Through the rotation of the threaded rod 402, the threaded sleeve 403 can be moved. At the same time, the threaded sleeve 403 is fixedly connected to the connecting plate 6, and the connecting plate 6 is slidably connected to the limit rod 7. Through the cooperation between the connecting plate 6 and the limit rod 7, the threaded sleeve 403 can move on the threaded rod 402, thereby moving the hydraulic cylinder 8 and the pull rod 10 to the axial position of the middle sleeve, which facilitates the subsequent disassembly of the middle sleeve.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for removing an air vent sleeve, comprising a base (1) and a hydraulic cylinder (8), wherein casters (2) are fixedly installed around the bottom surface of the base (1). A push plate (3) is fixedly connected to one side surface of the base (1), and a lifting assembly (4) is provided in the middle of the top surface of the push plate (3). An operation box (5) is fixedly installed on one side of the top surface of the base (1). A connector (9) is fixedly connected to one side surface of the hydraulic cylinder (8). A pull rod (10) is fixedly connected in the middle of the other side surface of the connector (9). A fixing frame (11) is connected through the pull rod (10) on the side surface away from the hydraulic cylinder (8). The bottom surface of the fixing frame (11) is fixedly connected to the base (1). characterized in that Also includes: A gripping component (12) is provided on the side surface of the pull rod (10) away from the fixing frame (11). The gripping assembly (12) includes a circular plate (1201) that is connected through the pull rod (10). Among them, several fixing plates (1202) are fixedly installed on the surface of the circular plate (1201).

2. The raceway bushing removal device of claim 1, wherein: The fixing plate (1202) has a groove (1203) in the middle, and an electric telescopic rod (1204) is fixedly installed inside the groove (1203). A connecting block (1205) is fixedly connected to the top surface of the electric telescopic rod (1204).

3. The raceway bushing removal device of claim 2, wherein: The connecting block (1205) has sliding rods (1206) that are connected through both sides, and the sliding rods (1206) are fixedly connected to the grooves (1203) on both sides.

4. The raceway bushing removal device of claim 2, wherein: A fixing rod (1207) is connected through the middle of the connecting block (1205). A clamping gripper (1208) is fixedly connected to the side surface of the fixing rod (1207) away from the connecting block (1205). An elastic pad (1209) is fixedly installed on one side surface of the clamping gripper (1208).

5. A raceway cover removal device according to claim 4, wherein: The elastic pad (1209) is made of nylon.

6. The raceway cover removal device of claim 1, wherein: The lifting assembly (4) includes a servo motor (401) fixedly connected to the push plate (3). The output end of the servo motor (401) is fixedly connected to a threaded rod (402) through one side surface of the push plate (3). The threaded rod (402) has a threaded sleeve (403) on its surface. A connecting plate (6) is fixedly connected to one side surface of the threaded sleeve (403).

7. A raceway cover removal device according to claim 6, wherein: A limit rod (7) is connected through one side surface of the connecting plate (6) near the threaded sleeve (403), and the other side surface of the connecting plate (6) is fixedly installed with the hydraulic cylinder (8).

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