Lifting device for maintaining flame path wall
By designing a lifting device for fire wall maintenance, the safety of the suspended basket is achieved by using a motor-driven wheel and hydraulic cylinder to drive the wheels and hydraulic cylinder. This solves the dangers of personnel falling and objects falling during the fire wall maintenance process and improves safety.
Patent Information
- Application Number
- CN202520520160.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-24
AI Technical Summary
In the existing technology, workers are prone to falling from heights and being injured by falling repair tools and materials during the maintenance of the fire wall, posing a safety hazard.
A lifting device for fire wall maintenance was designed, including a mounting frame, a trolley mechanism, a carriage mechanism, and a basket. The lifting and moving of the basket is achieved by driving the wheels and hydraulic cylinders with a motor, avoiding manual climbing and ensuring safety.
It improved the safety of fire wall maintenance work, avoided the dangers of workers falling and objects falling, and significantly improved the safety factor of the work.
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Figure CN223906486U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a flue wall maintenance auxiliary equipment, concretely relates to a kind of lifting device for flue wall maintenance. BACKGROUND
[0002] The calcination furnace is important equipment needed in the carbon production process, usually built by refractory bricks, refractory mortar, refractory fiber, castable and other refractory materials. Taking the 54-chamber open calcination furnace commonly used in China as an example, each furnace chamber has 9 flues, and the whole furnace has 486 flues. In production, the gap between the refractory bricks will become larger due to the creep of refractory materials, causing negative pressure leakage, and in severe cases, causing bending, bulging, cracking, affecting the normal production of calcination workshop. After each discharge, the brick joints and wall of the flue wall are repaired by manual work. This work is completed by workers entering the furnace chamber and manually operating with refractory mortar and refractory fiber or other refractory materials. During the operation, the following unsafe factors exist in the flue wall: workers usually use bamboo ladders to go up and down in the flue wall, which is dangerous for personnel to fall from a high altitude; most of the repair tools and materials are transferred up and down in the flue wall with a rope, which is easy to fall from a high altitude and injure the workers below the flue wall. SUMMARY
[0003] The present application provides a kind of lifting device for flue wall maintenance, which can solve the following problems: workers usually use bamboo ladders to go up and down in the flue wall, which is dangerous for personnel to fall from a high altitude; most of the repair tools and materials are transferred up and down in the flue wall with a rope, which is easy to fall from a high altitude and injure the workers below the flue wall.
[0004] To solve the above technical problems, a lifting device for flue wall maintenance is provided, which includes a mounting frame, the mounting frame includes a left girder and a right girder for being arranged on the left and right sides of the top of the calcination furnace to be repaired, the length direction of the left girder and the right girder is consistent with the length direction of the calcination furnace to be repaired, and the length of the left girder and the right girder is not less than the length of the calcination furnace to be repaired, a car mechanism is linearly movably arranged on the mounting frame along the length direction of the calcination furnace to be repaired, and a first driving mechanism is provided for driving the car mechanism, a trolley mechanism is linearly movably arranged on the car mechanism along the width direction of the calcination furnace to be repaired, the stroke of the trolley mechanism is not less than the width of the calcination furnace to be repaired, and a second driving mechanism is provided for driving the trolley mechanism, a hanging basket for being lowered into the flue wall of the calcination furnace is movably arranged on the trolley mechanism along the vertical direction, and a third driving mechanism is provided for controlling the lifting of the hanging basket.
[0005] In one embodiment, the first driving mechanism comprises a first motor and a plurality of first wheels, the first wheels are rotatably arranged on both sides of the walking mechanism, the rotation axes of the first wheels are in the longitudinal direction, and the first motor is installed on the walking mechanism to drive the first wheels to rotate.
[0006] In one embodiment, two first tracks are fixed on the two ends of the installation frame corresponding to the positions of the first wheels, respectively, to guide the first wheels on both sides of the walking mechanism.
[0007] In one embodiment, the second driving mechanism comprises a second motor and a plurality of second wheels, the second wheels are rotatably arranged on the trolley mechanism, the rotation axes of the second wheels are in the transverse direction, and the second motor is installed on the trolley mechanism to drive the second wheels to rotate.
[0008] In one embodiment, the walking mechanism is in the shape of a flat square frame, the second wheels are rotatably arranged on both sides of the trolley mechanism, and two second tracks are fixed on the two ends of the walking mechanism corresponding to the positions of the second wheels, respectively, to guide the second wheels on both sides of the trolley mechanism.
[0009] In one embodiment, the third driving mechanism comprises a third motor, a winding roller (22), a steel cable, and an extension rod, the third motor is installed on the trolley mechanism to drive the winding roller to rotate and wind or unwind the steel cable, one end of the steel cable is connected to the winding roller, the other end of the steel cable is connected to the hanging basket, and the extension rod is arranged in the vertical direction, the upper end of the extension rod is fixedly connected to the trolley mechanism, and the lower end of the extension rod is fixedly connected to the hanging basket.
[0010] In one embodiment, the bottom surface of each end of the installation frame is provided with a support part, the bottom surface of the support part is concave upward to form a first groove, a hydraulic cylinder is arranged in the vertical direction in the first groove, the hydraulic cylinder is used to drive the installation part to move up and down in the vertical direction, so that the installation part can move into or out of the first groove, and a plurality of support wheels are rotatably arranged on both sides of the installation part, the rotation axes of the support wheels are in the horizontal direction and are parallel to each other.
[0011] In one embodiment, the extension rod has a plurality of extension rods.
[0012] To sum up, the fire wall maintenance lifting device has the following beneficial effects compared with the prior art: the first driving mechanism, the trolley mechanism, the second driving mechanism and the third driving mechanism can take the workers in the hanging basket to the position to be repaired, the third driving mechanism can control the hanging basket to carry the workers to the position to be repaired, the workers can put the repair tools and materials in the hanging basket and reach the position to be repaired with the hanging basket to perform the repair work, the falling risk and the risk of being hit by falling objects caused by the workers climbing the ladder are avoided, and the safety factor of the work is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:
[0014] Figure 1 It is a whole structure view of a fire wall maintenance lifting device;
[0015] Figure 2 It is a whole structure view of a fire wall maintenance lifting device;
[0016] Figure 3 It is a side view of a fire wall maintenance lifting device;
[0017] Figure 4 It is Figure 3 It is a cross-sectional view along A-A;
[0018] Figure 5 It is Figure 4 It is an enlarged view of the A area;
[0019] Figure 6 It is a perspective view of a fire wall maintenance lifting device (without the mounting frame);
[0020] Figure 7 It is a perspective view of a fire wall maintenance lifting device (without the mounting frame and the trolley mechanism);
[0021] Figure 8 It is a perspective view of the trolley mechanism and the hanging basket.
[0022] In the figure, 1, mounting frame; 2, first track; 3, support part; 4, support wheel; 5, mounting part; 6, first groove; 7, hydraulic cylinder; 8, cart mechanism; 9, second track; 10, left girder; 11, first motor; 12, first wheel; 13, trolley mechanism; 14, right girder; 15, second motor; 16, second wheel; 17, basket; 18, lifting eye bolt; 19, gate; 21, third motor; 22, winding roller; 23, cable; 24, telescopic rod. DETAILED DESCRIPTION
[0023] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms, and is not limited to the embodiments described in the specification. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0024] It should be noted that, unless otherwise defined, all technical and scientific terms used in the specification have the same meaning as commonly understood by those skilled in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application.
[0025] Please refer to Figure 1 , Figure 2 A kind of fire wall maintenance lifting device, including mounting frame 1, the mounting frame 1 is rectangular square frame, for being set on the roasting furnace to be maintained (can be transferred by hoisting), provide installation position and support effect. The mounting frame 1 includes left girder 10 and right girder 14 for being set on the left and right sides of the roasting furnace to be maintained, the length direction of the left girder 10, the right girder 14 is consistent with the length direction of the roasting furnace to be maintained, and the length of the left girder 10, the right girder 14 is not less than the length of the roasting furnace to be maintained. Further, in the present application, left and right direction is defined as longitudinal direction, and front and back direction is defined as transverse direction.
[0026] Please refer to Figures 1-5The installation frame 1 is provided with a trolley mechanism 8 moving linearly along the length direction of the roasting furnace to be repaired, and is provided with a first driving mechanism for driving the trolley mechanism 8. In an embodiment, the first driving mechanism comprises a first motor 11 and a plurality of first wheels 12, the first wheels 12 are respectively arranged on both sides of the trolley mechanism 8, the rotation shafts of the first wheels 12 are all along the longitudinal direction, and the first motor 11 is also provided with a plurality of first wheels 12, which are all arranged on the trolley mechanism 8 and used for driving the first wheels 12 to rotate synchronously. Further, the number of the first motor 11 is less than the number of the first wheels 12, because only a part of the first wheels 12 needs to be directly driven to rotate, and the remaining first wheels 12 will follow. In this way, the trolley mechanism 8 moves transversely by rolling on the installation frame 1 through the first wheels 12, and can realize fast response, accurate control and good flexibility by driving the first motor 11.
[0027] Please refer to Figure 1 , Figure 5 In an embodiment, the installation frame 1 is provided with a first track 2 at each end corresponding to the position of the first wheel 12 along the transverse direction, which is used for providing a guiding action for the first wheels 12 on both sides of the trolley mechanism 8. The first wheels 12 roll on the first track 2, and the first track 2 is welded to the installation frame 1. In this way, the stability of the trolley mechanism 8 moving linearly can be improved.
[0028] Please refer to Figure 1 , Figure 3 , Figure 8 The trolley mechanism 8 is provided with a trolley mechanism 13 moving linearly along the width direction of the roasting furnace to be repaired, and is provided with a second driving mechanism for driving the trolley mechanism 13. In an embodiment, the second driving mechanism comprises a second motor 15 and a plurality of second wheels 16, the second wheels 16 are arranged on the trolley mechanism 13, the rotation shafts of the second wheels 16 are all along the transverse direction, and the second motor 15 is also provided with a plurality of second wheels 16, which are all arranged on the trolley mechanism 13 and used for driving the second wheels 16 to rotate synchronously. Further, the number of the second motor 15 is less than the number of the second wheels 16, because only a part of the second wheels 16 needs to be directly driven to rotate, and the remaining second wheels 16 will follow. In this way, the trolley mechanism 13 moves transversely by rolling on the installation frame 1 through the second wheels 16, and can realize fast response, accurate control and good flexibility by driving the second motor 15.
[0029] Please refer to Figure 1 , Figure 6In one embodiment, the cart mechanism 8 is in the shape of a flat square frame, and a plurality of second wheels 16 are rotatably arranged on both sides of the trolley mechanism 13. Two ends of the cart mechanism 8 corresponding to the positions of the second wheels 16 are each fixed with a second rail 9 along the longitudinal direction. The second wheels 16 on both sides are respectively rolled on the second rails 9 on both sides. The two second rails 9 are respectively used to provide guiding action for the second wheels 16 on both sides of the trolley mechanism 13. In this way, better stability can be provided for the linear movement of the trolley mechanism 13.
[0030] Please refer to Figure 3 、 Figure 7 、 Figure 8 A basket 17 is arranged on the trolley mechanism 13 and moves up and down along the vertical direction. A hinged door 19 is arranged on the basket 17 for people to enter and exit. A third driving mechanism is arranged for controlling the lifting of the basket 17. The third driving mechanism includes a third motor 21, a winding roller 22, a steel cable 23, and an extension rod 24. The winding roller 22 is rotatably arranged on the trolley mechanism 13, and the rotating shaft is along the horizontal direction. The third motor 21 is fixedly installed on the trolley mechanism 13 and drives the winding roller 22 to rotate through gear transmission, so as to wind and unwind the steel cable 23. One end of the steel cable 23 is fixedly connected (and wound) to the winding roller 22, and the other end is fixedly connected to the basket 17 through a lifting ring bolt 18 or a steel wire rope clamp. The extension rod 24 is arranged along the vertical direction, and the upper end is fixedly connected to the trolley mechanism 13 by welding, and the lower end is welded to the basket 17, which is used to provide support and guiding action for the lifting of the basket 17. The extension rod 24 is composed of a plurality of extension joints. In one embodiment, preferably, the extension rod 24 has a plurality of extension rods, which are arranged in parallel along the vertical direction between the trolley mechanism 13 and the basket 17, so that the structure is more stable.
[0031] Working principle: through the cart mechanism 8, the first driving mechanism, the trolley mechanism 13, and the second driving mechanism, the worker in the basket 17 can be brought to the position to be repaired. The third driving mechanism can control the basket 17 to carry the worker to the position to be repaired. The worker can put the repair tools and materials in the basket 17 and reach the position to be repaired with the basket 17 to perform repair work, avoiding the risk of falling caused by climbing the ladder and the risk of being injured by falling objects, greatly improving the safety factor of this work.
[0032] Please refer to Figure 1 、 Figure 2 、 Figure 5In one embodiment, the bottom surface of both ends of the mounting frame 1 is fixed with a support part 3 by welding, the bottom surface of the support part 3 is provided with a first groove 6 in a concave upward manner, a hydraulic cylinder 7 is fixedly installed in the first groove 6 in a vertical downward manner, the telescopic rod 24 of the hydraulic cylinder 7 is fixedly connected to the mounting part 5, and is used to drive the mounting part 5 to vertically lift, so that the mounting part 5 can be moved into or out of the first groove 6 upwardly or downwardly, a row of support wheels 4 is rotationally arranged at the lower end of each side of the mounting part 5, the positions of the two rows of support wheels 4 on the same mounting part 5 are symmetrical, and the rotation axes of the support wheels 4 are parallel and in a horizontal direction. In this way, when the mounting frame 1 needs to be moved, the mounting parts 5 on both sides are moved out of the first groove 6 downwardly under the drive of the hydraulic cylinder 7, so that the support wheels 4 are in contact with the ground, and then the mounting frame 1 can be moved by workers using manpower or vehicle tools; after the mounting frame 1 is moved to the baking furnace to be repaired, the mounting part 5 is driven by the hydraulic cylinder 7 to enter the first groove 6 upwardly, so that the support wheels 4 are separated from the ground, and the bottom surface of the support part 3 is in contact with the ground, so that the mounting frame 1 is moved more conveniently. Further, the side surface of the mounting part 5 has a protruding part in contact with the inner wall of the first groove 6, so that the sliding effect of the mounting part 5 is more stable.
[0033] The working steps of the utility model are briefly described as follows:
[0034] S1. The mounting frame 1 is moved to the baking furnace to be repaired;
[0035] S2. The bogie mechanism 8 carries the trolley mechanism 13 to freely move and select the position to be repaired;
[0036] S3. After the repair position is determined, the bogie mechanism 8 is stopped, and the trolley mechanism 13 is moved to one end of the mounting frame 1 in a longitudinal direction;
[0037] S4. The worker gets on the basket 17 on the trolley mechanism 13 from one end of the mounting frame 1, and puts the repair tools and materials in the basket 17;
[0038] S5. The trolley mechanism 13 is started to move to the repair position;
[0039] S6. After reaching the specified position, the basket 17 is lowered to the furnace bottom or a specified height by starting the third driving mechanism;
[0040] S7. The operator performs the fire channel wall repair work;
[0041] S8. After the work is completed, the basket 17 is lifted back to the furnace surface by the third driving mechanism, and then the repair of the next fire channel wall is performed.
[0042] In the above description of the present specification, unless otherwise explicitly specified and limited, the terms "fixed", "mounted", "connected" or "linked" and the like should be understood in a broad sense. For example, as to the term "connected", it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or it can be internal connection of two elements or interaction relationship between two elements. Therefore, unless otherwise explicitly limited in the present specification, the above terms can be understood in the specific meaning of the present application by the person skilled in the art according to the specific circumstances.
[0043] According to the above description of the present specification, the person skilled in the art can also understand the terms used as follows, for example, the terms indicating the orientation or positional relationship such as "upper", "lower", "front", "rear", "left", "right", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "center", "longitudinal", "transverse", "clockwise" or "counterclockwise" are based on the orientation or positional relationship shown in the drawings of the present specification, which is only for the purpose of facilitating the description of the present application and simplifying the description, and is not explicitly or implicitly indicated that the device or element involved must have the specific orientation, be constructed and operated in the specific orientation, therefore the above orientation or positional relationship terms cannot be understood or interpreted as a limitation on the present application.
[0044] In addition, the terms "first" or "second" and the like used in the present specification are terms used to refer to numbers or ordinal numbers only for the purpose of description, and cannot be understood as explicitly or implicitly indicating relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" or "second" can explicitly or implicitly include at least one of the features. In the description of the present specification, the meaning of "plurality" is at least two, for example, two, three or more, etc., unless otherwise explicitly specified and limited.
[0045] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A firebreak maintenance lifting device, characterised in that, The installation frame (1) comprises a left side girder (10) and a right side girder (14) arranged on the left and right sides of the top of the roasting furnace to be repaired, the length direction of the left side girder (10) and the right side girder (14) is consistent with the length direction of the roasting furnace to be repaired, and the length of the left side girder (10) and the right side girder (14) is not less than the length of the roasting furnace to be repaired; a cart mechanism (8) is arranged on the installation frame (1) and moves linearly along the length direction of the roasting furnace to be repaired, and a first driving mechanism is arranged for driving the cart mechanism (8); a trolley mechanism (13) is arranged on the cart mechanism (8) and moves linearly along the width direction of the roasting furnace to be repaired, the stroke of the trolley mechanism (13) is not less than the width of the roasting furnace to be repaired, and a second driving mechanism is arranged for driving the trolley mechanism (13); a hanging basket (17) for lowering into the fire channel wall of the roasting furnace is arranged on the trolley mechanism (13) and moves vertically up and down, and a third driving mechanism is arranged for controlling the lifting of the hanging basket (17).
2. The fire wall maintenance hoist of claim 1, wherein: The first driving mechanism comprises a first motor (11) and a plurality of first wheels (12), the plurality of first wheels (12) are respectively arranged on the two sides of the cart mechanism (8) and rotate about longitudinal shafts, and the first motor (11) is arranged on the cart mechanism (8) and drives the first wheels (12) to rotate.
3. The fire wall maintenance hoist of claim 2, wherein: Two first rails (2) are respectively arranged on the two ends of the installation frame (1) corresponding to the positions of the first wheels (12) and are arranged in the transverse direction, and the first rails (2) provide guiding actions for the first wheels (12) on the two sides of the cart mechanism (8).
4. The fire wall maintenance hoist of claim 1, wherein: The second driving mechanism comprises a second motor (15) and a plurality of second wheels (16), the plurality of second wheels (16) are arranged on the trolley mechanism (13) and rotate about transverse shafts, and the second motor (15) is arranged on the trolley mechanism (13) and drives the second wheels (16) to rotate.
5. A fire wall maintenance hoist as claimed in claim 4 wherein, The cart mechanism (8) is in the shape of a flat square frame, the plurality of second wheels (16) are respectively arranged on the two sides of the trolley mechanism (13), and two second rails (9) are respectively arranged on the two ends of the cart mechanism (8) corresponding to the positions of the second wheels (16) and are arranged in the longitudinal direction, and the second rails (9) provide guiding actions for the second wheels (16) on the two sides of the trolley mechanism (13).
6. The fire wall maintenance hoist of claim 1, wherein: The third driving mechanism comprises a third motor (21), a winding roller (22), a steel cable (23), and an extension rod (24), the third motor (21) is arranged on the trolley mechanism (13) and drives the winding roller (22) to rotate, thereby winding and unwinding the steel cable (23), one end of the steel cable (23) is connected to the winding roller (22), the other end of the steel cable (23) is connected to the hanging basket (17), the extension rod (24) is arranged in the vertical direction, the upper end of the extension rod (24) is fixedly connected to the trolley mechanism (13), and the lower end of the extension rod (24) is fixedly connected to the hanging basket (17).
7. The wall maintenance lifting device according to claim 1, characterized in that, The bottom surface of both ends of the mounting frame (1) is provided with a support part (3), the bottom surface of the support part (3) is provided with a first recess (6) upwardly concave, the first recess (6) is provided with a hydraulic cylinder (7) vertically, the hydraulic cylinder (7) is used for driving the mounting part (5) to vertically lift, so that the mounting part (5) can move into or out of the first recess (6), the both sides of the mounting part (5) are rotatably provided with a plurality of support wheels (4), the rotation shafts of the support wheels (4) are parallel along the horizontal direction.
8. The wall maintenance lifting device according to claim 1, characterized in that, The telescopic rod (24) has a plurality of.