Furnace door taking and blocking trolley of box-type high-temperature annealing furnace and using method of furnace door taking and blocking trolley

By designing a trolley for removing the furnace door seal of a box-type high-temperature annealing furnace and utilizing the cooperation of a handwheel and a movable locking hook, a single person can safely and quickly remove the furnace door seal, solving the problems of complex operation and scalding risks in the existing technology and improving work efficiency and temperature balance in the furnace.

CN120667925AInactive Publication Date: 2025-09-19MCC5 GROUP SHANGHAI CORPORATION LIMITED
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Patent Information

Application Number
CN202510843366.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-23
Publication Date
2025-09-19
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, the furnace door sealing operation of a box-type high-temperature annealing furnace requires the coordinated cooperation of more than two people, which poses a risk of high-temperature burns and may damage the furnace door sealing, affecting the temperature balance and operating efficiency inside the furnace.

Method used

A trolley for removing the furnace door plug of a box-type high-temperature annealing furnace is designed, which includes a base, a support frame, a screw rod and a movable trolley. Through the cooperation of a hand wheel and a movable locking hook, the furnace door plug can be removed safely and quickly by a single person.

Benefits of technology

It enables a single operator to safely and efficiently remove the furnace door seal, reduces operational risks, protects the operator's safety, improves work efficiency, and reduces the impact on the temperature balance in the furnace.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a furnace door taking plugging trolley of a box-type high-temperature annealing furnace and a using method of the furnace door taking plugging trolley, and relates to the technical field of furnace door taking plugging trolleys. The furnace door taking and blocking trolley of the box-type high-temperature annealing furnace comprises a base and a supporting frame, two sets of lower base plates are arranged at the bottom of the base, two sets of first transverse frame plates are fixed between the upper ends of the two sets of lower base plates, and the left portion and the right portion of the upper end of each first transverse frame plate are each perpendicularly welded with a set of supporting plates; a second transverse frame plate is fixed between the upper portions of the two sets of supporting plates, a supporting frame is installed on the second transverse frame plate, a lead screw is arranged on the upper portion of the supporting frame, a moving trolley is movably connected to the lead screw, and the moving trolley moves front and back in the horizontal direction. According to the invention, rapid and stable loading and unloading of furnace door plugging are realized, the working efficiency is greatly improved, the operation risk is reduced, the influence on the temperature balance in the furnace is reduced, and the safety of operators is guaranteed.
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Description

Technical Field

[0001] The invention relates to the technical field of a furnace door removing and blocking trolley, and in particular to a furnace door removing and blocking trolley of a box-type high-temperature annealing furnace and a use method thereof. Background Art

[0002] Background of Related Technology: A box-type high-temperature annealing furnace is a type of equipment used for heating, sintering, annealing, and heat treatment processes. A high-temperature furnace primarily consists of a chamber, heating elements, and a control system. During operation, the object to be heated is placed inside the chamber. The heated air within the furnace then transfers heat to the object, gradually raising its temperature. The key to the operating principle of a box-type high-temperature furnace lies in the conversion of electrical energy into thermal energy by the heating elements, as well as the conduction and control of this heat energy. It provides a high-temperature environment for heating objects to meet diverse process requirements. In actual use, operators must manually open and close the furnace door and install and remove the door seal. This requires the coordinated efforts of two or more people, resulting in low efficiency and the risk of falling. Furthermore, due to the high temperatures within the chamber, the door seal, if already heated, poses a risk of burns to the operator and is difficult to reinstall. Strengthening operators' anti-scald labor protection clothing, including wearing anti-scald gloves, and requiring more than two people to work together or coordinate with multiple people, places high demands on operators and requires high coordination during operation. In addition, these solutions may cause damage to the furnace door seal in actual operation, affecting the temperature balance inside the furnace and thus affecting the operating efficiency of the box furnace. Summary of the Invention

[0003] In order to overcome the defects of the existing technology, a box-type high-temperature annealing furnace door sealing trolley and its use method are now provided to solve the problem that the existing technology may cause certain damage to the furnace door sealing, affect the temperature balance in the furnace, and thus affect the operating efficiency of the box-type furnace.

[0004] To achieve the above-mentioned purpose, a box-type high-temperature annealing furnace door sealing trolley and a method of using the same are provided. The box-type high-temperature annealing furnace door sealing trolley includes a base and a support frame, two groups of lower pads are provided at the bottom of the base, and two groups of first cross-frame plates are fixed between the upper ends of the two groups of lower pads, a group of support plates are vertically welded to the left and right parts of the upper ends of the first cross-frame plates, and a second cross-frame plate is fixed between the upper parts of the two groups of support plates, a support frame is installed on the second cross-frame plate, and a screw rod is provided on the upper part of the support frame, a movable trolley is movably connected to the screw rod, and the movable trolley moves back and forth in a horizontal direction.

[0005] Furthermore, an upper pad is welded to the upper end of the support plate, and a groove is provided on the inner side of the upper pad, and the movable trolley is located between the two groups of upper pads on the left and right sides.

[0006] Furthermore, a front bearing seat is fixed to the front end of the support frame, and a rear bearing seat is fixed to the rear end of the support frame, and the front end of the screw rod is rotatably connected to the front bearing seat, and the rear rod body of the screw rod is rotatably connected to the rear bearing seat.

[0007] Furthermore, a handwheel is installed at the rear end of the screw rod, and a handle is provided on the right side of the rear side of the handwheel, and both the screw rod and the handwheel are rotatable structures.

[0008] Furthermore, a rear movable plate is provided at the rear end of the mobile trolley, and the rear movable plate is movably connected to the screw rod, and an upper push plate is fixed at the front end of the mobile trolley, and wheels are installed on the left and right sides of the mobile trolley, and the wheels rotate in the grooves opened on the inner side of the upper pad.

[0009] Furthermore, a centering rod is fixed to the upper part of the front side of the upper push plate, and a cross bar is fixed to the middle part of the front side of the upper push plate. A movable lock hook and a stop block are installed at the front end of the cross bar. The stop block is located at the rear end of the upper part of the movable lock hook, and the centering rod and the cross bar are aligned up and down.

[0010] Another technical problem to be solved by the present invention is to provide a method for using a door sealing trolley for a box-type high-temperature annealing furnace, comprising the following steps:

[0011] Open the door of the high-temperature annealing furnace, use the electric bulldozer to transport the door sealing trolley of the box-type high-temperature annealing furnace to the furnace mouth of the high-temperature annealing furnace, and adjust the height of the door sealing trolley to align the centering rod with the hole in the middle of the door sealing of the high-temperature annealing furnace;

[0012] Turning the handle drives the hand wheel to rotate together, so that the movable trolley moves forward along the screw rod until the centering rod is inserted into the hole in the middle of the high-temperature annealing furnace door plug. At the same time, the movable lock hook just hooks the handle below the high-temperature annealing furnace door plug and limits the rotation of the movable lock hook through the block;

[0013] Turn the handle in the opposite direction, remove the high-temperature annealing furnace door seal and place it in the designated location.

[0014] The beneficial effects of the present invention are:

[0015] 1. The frame structure of the base in the present invention is firm and sturdy, and the mobile trolley is not prone to shaking when moving, and the operation is safer, more stable, and more durable.

[0016] 2. In the present invention, the hand wheel can be driven to rotate together by rotating the handle, thereby rotating the screw installed between the front bearing seat and the rear bearing seat, which is easy and simple to operate, faster, more flexible and saves trouble.

[0017] 3. In the present invention, the hand wheel is rotated clockwise to move the movable trolley forward on the screw rod, and the hand wheel is rotated counterclockwise to drive the movable trolley to move backward on the screw rod. The purpose of the movable trolley is to move to the front of the furnace, and then the handle of the furnace door block is hooked by the cooperation of the movable lock hook and the block, and then the hand wheel is driven to remove the trolley and the high-temperature annealing furnace door blockage, so as to avoid burns caused by contact with the high-temperature annealing furnace door blockage, which is safer, more efficient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the effect of an embodiment of the present invention;

[0019] Figure 2 It is a front view schematic diagram of an embodiment of the present invention;

[0020] Figure 3 This is a rendering of the support frame of an embodiment of the present invention;

[0021] Figure 4 This is a rendering of the mobile cart according to an embodiment of the present invention.

[0022] In the figure: 1. Base; 10. Lower pad; 11. First cross frame; 12. Support plate; 13. Second cross frame; 14. Upper pad; 2. Support frame; 20. Screw; 21. Front bearing seat; 22. Rear bearing seat; 23. Handwheel; 24. Handle; 3. Moving trolley; 30. Rear movable plate; 31. Upper push plate; 32. Movable locking hook; 33. Centering rod; 34. Wheel; 35. Cross bar; 36. Stopper. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Specific details such as specific system structures and technologies are provided to provide a more thorough understanding of the embodiments of the present invention. The described embodiments are part of the embodiments of the present disclosure, not all of them. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0024] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] Figure 1 Schematic diagram of the effect of an embodiment of the present invention, Figure 2 is a front view schematic diagram of an embodiment of the present invention, Figure 3 The supporting frame effect diagram of the embodiment of the present invention and Figure 4 This is a rendering of the mobile cart according to an embodiment of the present invention.

[0026] Reference Figures 1 to 4 As shown, the present invention provides a box-type high-temperature annealing furnace door sealing trolley, comprising a base 1 and a support frame 2, two groups of lower pads 10 are provided at the bottom of the base 1, and two groups of first cross-frame plates 11 are fixed between the upper ends of the two groups of lower pads 10, a group of support plates 12 are vertically welded to the left and right parts of the upper ends of the first cross-frame plates 11, and a second cross-frame plate 13 is fixed between the upper parts of the two groups of support plates 12, a support frame 2 is installed on the second cross-frame plate 13, and a screw rod 20 is provided on the upper part of the support frame 2, a movable trolley 3 is movably connected to the screw rod 20, and the movable trolley 3 moves back and forth in a horizontal direction.

[0027] In this embodiment, an upper pad 14 is welded to the upper end of the support plate 12 , and a groove is formed on the inner side of the upper pad 14 , and the movable carriage 3 is located between the two sets of upper pads 14 on the left and right sides.

[0028] As a preferred embodiment, the frame structure of the base 1 in the present invention is solid and firm, and the mobile trolley is not prone to shaking when moving, and the operation is safer, more stable, and more durable.

[0029] In this embodiment, a front bearing seat 21 is fixed to the front end of the support frame 2, and a rear bearing seat 22 is fixed to the rear end of the support frame 2. The front end of the screw rod 20 is rotatably connected to the front bearing seat 21, and the rear end of the screw rod 20 is rotatably connected to the rear bearing seat 22. A handwheel 23 is mounted on the rear end of the screw rod 20, and a handle 24 is provided on the right side of the rear side of the handwheel 23. Both the screw rod 20 and the handwheel 23 are rotatable structures.

[0030] As a preferred embodiment, in the present invention, the hand wheel 23 can be driven to rotate together by rotating the handle 24, thereby rotating the screw rod 20 installed between the front bearing seat 21 and the rear bearing seat 22, which is easy and simple to operate, faster, more flexible and saves trouble.

[0031] In this embodiment, a rear movable plate 30 is provided at the rear end of the mobile trolley 3, and the rear movable plate 30 is movably connected to the screw rod 20, and an upper push plate 31 is fixed at the front end of the mobile trolley 3, and wheels 34 are installed on the left and right sides of the mobile trolley 3, and the wheels 34 rotate and move in the grooves opened on the inner side of the upper pad 14; a centering rod 33 is fixed on the upper part of the front side of the upper push plate 31, and a cross bar 35 is fixed on the middle part of the front side of the upper push plate 31, and a movable locking hook 32 and a stop block 36 are installed at the front end of the cross bar 35, the stop block 36 is located at the rear end of the upper part of the movable locking hook 32, and the centering rod 33 and the cross bar 35 are aligned up and down.

[0032] As a preferred embodiment, in the present invention, the hand wheel 23 is rotated clockwise to move the movable trolley 3 forward along the screw rod 20, and the counterclockwise rotation of the hand wheel 23 will drive the movable trolley 3 to move backward along the screw rod 20. The purpose of the movable trolley is to move to the front of the furnace, and then the handle of the furnace door block is hooked by the cooperation of the movable locking hook 32 and the block 36, and then the hand wheel 23 is driven to remove the trolley and the high-temperature annealing furnace door blockage, so as to avoid burns caused by contact with the high-temperature annealing furnace door blockage, which is safer, more efficient and practical.

[0033] In order to better illustrate the use process of the box-type high-temperature annealing furnace door blocking trolley, this embodiment now proposes a method for using the box-type high-temperature annealing furnace door blocking trolley, including the following steps:

[0034] Open the door of the high-temperature annealing furnace, use the electric cow to transport the door sealing trolley of the box-type high-temperature annealing furnace to the furnace mouth of the high-temperature annealing furnace, and adjust the height of the door sealing trolley so that the centering rod 33 is aligned with the hole in the middle of the door sealing of the high-temperature annealing furnace;

[0035] The handle 24 is rotated to drive the hand wheel 23 to rotate together, so that the movable carriage 3 moves forward along the screw rod 20 until the centering rod 33 is inserted into the hole in the middle of the high-temperature annealing furnace door plug. At the same time, the movable lock hook 32 is just hooked on the handle below the high-temperature annealing furnace door plug, and the rotation of the movable lock hook 32 is limited by the stopper 36;

[0036] The handle 24 is rotated in the opposite direction to remove the sealing member of the high-temperature annealing furnace door and place it in the designated position.

[0037] The present invention can effectively solve the problem that the prior art may cause certain damage to the furnace door seal, affect the temperature balance in the furnace, and thus affect the operating efficiency of the box-type furnace. The present invention realizes the rapid and stable installation and removal of the furnace door seal, greatly improves work efficiency, reduces operating risks, reduces the impact on the temperature balance in the furnace, and ensures the safety of operators. The furnace door seal is directly pulled onto the trolley using a screw, which is safe and stable and better protects the furnace door seal.

[0038] The above embodiments are used to illustrate the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims should be included in the scope of protection of the present invention.

Claims

1. A trolley for removing and blocking the furnace door of a box-type high-temperature annealing furnace, characterized in that: The invention comprises a base (1) and a support frame (2), wherein two groups of lower pads (10) are provided at the bottom of the base (1), and two groups of first cross-frame plates (11) are fixed between the upper ends of the two groups of lower pads (10), a group of support plates (12) are vertically welded to the left and right parts of the upper ends of the first cross-frame plates (11), and a second cross-frame plate (13) is fixed between the upper parts of the two groups of support plates (12), a support frame (2) is installed on the second cross-frame plate (13), and a screw rod (20) is provided on the upper part of the support frame (2), a movable trolley (3) is movably connected to the screw rod (20), and the movable trolley (3) moves forward and backward in the horizontal direction.

2. The furnace door blocking trolley for a box-type high-temperature annealing furnace according to claim 1, characterized in that: An upper pad (14) is welded to the upper end of the support plate (12), and a groove is provided on the inner side of the upper pad (14), and the movable trolley (3) is located between the two groups of upper pads (14) on the left and right sides.

3. The furnace door blocking trolley for a box-type high-temperature annealing furnace according to claim 1, characterized in that: A front bearing seat (21) is fixed to the front end of the support frame (2), and a rear bearing seat (22) is fixed to the rear end of the support frame (2), and the front end of the screw rod (20) is rotatably connected to the front bearing seat (21), and the rear rod body of the screw rod (20) is rotatably connected to the rear bearing seat (22).

4. The furnace door blocking trolley for a box-type high-temperature annealing furnace according to claim 3, characterized in that: A hand wheel (23) is installed at the rear end of the screw rod (20), and a handle (24) is provided on the right side of the rear side of the hand wheel (23), and both the screw rod (20) and the hand wheel (23) are rotatable structures.

5. The furnace door blocking trolley for a box-type high-temperature annealing furnace according to claim 1, characterized in that: The rear end of the mobile trolley (3) is provided with a rear movable plate (30), and the rear movable plate (30) is movably connected to the screw rod (20), and the front end of the mobile trolley (3) is fixed with an upper push plate (31), and the left and right sides of the mobile trolley (3) are both equipped with wheels (34), and the wheels (34) rotate and move in the grooves provided on the inner side of the upper pad (14).

6. The furnace door blocking trolley for a box-type high-temperature annealing furnace according to claim 5, characterized in that: A centering rod (33) is fixed to the upper portion of the front side of the upper push plate (31), and a cross bar (35) is fixed to the middle portion of the front side of the upper push plate (31). A movable lock hook (32) and a stopper (36) are installed at the front end of the cross bar (35). The stopper (36) is located at the rear end of the upper portion of the movable lock hook (32), and the centering rod (33) and the cross bar (35) are aligned vertically.

7. The method for using the furnace door blocking trolley of a box-type high-temperature annealing furnace according to claims 1-6 is characterized in that: The following steps are involved: Open the door of the high-temperature annealing furnace, use the electric bulldozer to transport the door sealing trolley of the box-type high-temperature annealing furnace to the furnace mouth of the high-temperature annealing furnace, and adjust the height of the door sealing trolley so that the centering rod (33) is aligned with the hole in the middle of the door sealing of the high-temperature annealing furnace; The handle (24) is rotated to drive the hand wheel (23) to rotate together, so that the movable trolley (3) moves forward along the screw rod (20) until the centering rod (33) is inserted into the hole in the middle of the high-temperature annealing furnace door plug. At the same time, the movable lock hook (32) just hooks the handle below the high-temperature annealing furnace door plug and limits the rotation of the movable lock hook (32) through the stopper (36); The handle (24) is turned in the opposite direction to remove the high-temperature annealing furnace door seal and place it in the designated position.