Auxiliary lifting system for silicon carbide synthetic furnace

Abstract

The utility model relates to an auxiliary lifting system for a silicon carbide synthetic furnace, which comprises a support frame fixed with a furnace body into a whole, and is technically characterized in that a support column is arranged on one side of the furnace body on the upper surface of the support frame and comprises a lower fixed column, an upper rotatable column and a bearing assembly connected between the upper rotatable column and the lower fixed column; a horizontal cantilever is fixed to the top end of the upper rotatable column, a first reversing wheel assembly is fixed to the upper surface of one end of the horizontal cantilever, a second reversing wheel assembly is fixed to the upper surface of the other end of the horizontal cantilever, a horizontal supporting plate is fixed to the upper portion of the upper rotatable column, and a winch is fixed to the horizontal supporting plate. The free end of the steel wire rope sequentially bypasses reversing wheels of the first reversing wheel assembly and the second reversing wheel assembly and is connected with the hook. According to the system, the problems that a manual tool is poor in stability during workpiece taking and workpiece taking after cooling is needed are solved, the workpiece taking risk is greatly reduced, and the working efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon carbide synthesis furnaces, in particular to an auxiliary lifting system for silicon carbide synthesis furnaces. Background Art

[0002] At present, workpieces in silicon carbide synthesis furnaces are usually removed by clamping and moving with manual tools, which has the following problems: 1. There is a risk of workpieces falling due to unstable clamping when placing and removing them; 2. Since the temperature in the furnace is slightly high after the furnace is opened, it is necessary to wait for complete cooling before the staff can approach to take out the workpieces. Whether in terms of work efficiency or safety, manual removal is not very reliable. Utility Model Content

[0003] The purpose of the utility model is to provide an auxiliary lifting system for a silicon carbide synthesis furnace with a reasonable structure and reliable use, so as to solve the problem of poor stability when taking out parts with manual tools and the need to cool down before taking out parts, greatly reduce the risk of taking out parts, and significantly improve work efficiency.

[0004] The technical solution of the utility model is:

[0005] An auxiliary lifting system for a silicon carbide synthesis furnace includes a support frame fixed to the furnace body as a whole, and its technical highlights are: a support column is provided on the upper surface of the support frame on one side of the furnace body, and the support column includes a lower fixed column, an upper rotatable column, and a bearing assembly connected between the upper rotatable column and the lower fixed column; a horizontal cantilever is fixed to the top of the upper rotatable column, a first reversing wheel assembly is fixed to the upper surface of one end of the horizontal cantilever, and a second reversing wheel assembly is fixed to the upper surface of the other end; a horizontal support plate is also fixed to the upper part of the upper rotatable column, a winch is fixed to the horizontal support plate, a steel wire rope is wound on the winch drum of the winch, and the free end of the steel wire rope is successively passed around the reversing wheels of the first reversing wheel assembly and the second reversing wheel assembly, and connected to a hook.

[0006] The above-mentioned auxiliary lifting system for the silicon carbide synthesis furnace has a driven gear sleeved on the lower part of the upper rotatable column, a motor reducer is fixed to the bottom surface of the support frame, the output shaft of the motor reducer passes through the upper surface of the support frame and is fixed with a driving gear, and the driving gear and the driven gear are meshed with each other.

[0007] The above-mentioned auxiliary lifting system for a silicon carbide synthesis furnace, the upper rotatable column includes a supporting part connected to the lower fixed column by a bearing assembly, and a foldable part hinged to the supporting part, the upper part of the supporting part is U-shaped and its upper end supports a horizontal rotating shaft, the foldable part includes a lower solid section and an upper hollow section, the lower solid section is inserted into the upper part of the supporting part and is connected and fixed to the horizontal rotating shaft, a supporting plate is provided on the side wall of the supporting part, a driving part connected to the horizontal rotating shaft is provided on the supporting plate, a front fixed baffle and a rear detachable baffle corresponding to the lower solid section of the foldable part are further provided on the upper part of the supporting part, and the horizontal cantilever and the horizontal support plate are both fixed on the upper hollow section of the foldable part.

[0008] In the above-mentioned auxiliary lifting system for a silicon carbide synthesis furnace, the first reversing wheel assembly includes a first lower supporting wheel and a first upper clamping wheel, and the second reversing wheel assembly includes a second lower supporting wheel and a second upper clamping wheel.

[0009] The beneficial effects of the utility model are:

[0010] When in use, the upper rotatable column drives the end of the horizontal cantilever to rotate to the top of the furnace body, and then the winch is used to lower the wire rope, so that the hook descends and approaches the workpiece in the furnace body, and then the winch is used to lift the workpiece. After reaching the outside of the furnace body, the upper rotatable column drives the workpiece to rotate to the workpiece placement area to complete the process of extracting the workpiece. The whole process saves manpower and has a wider range of requirements for the workpiece removal temperature. Compared with manual work, the workpiece extraction process is more stable, avoiding scratches and other damage during the extraction process, and solving the problem of poor stability when manual tools are used to extract parts and the need to cool before extraction. It has good safety, greatly reduces the risk of extraction, and significantly improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0012] Figure 2 It is a structural schematic diagram of Embodiment 2 of the present utility model;

[0013] Figure 3 yes Figure 2 Middle AA section view;

[0014] Figure 4 yes Figure 2 Enlarged view of middle part B;

[0015] Figure 5 It is a partial stereogram of Example 2 of the utility model.

[0016] In the figure: 1. upper rotatable column, 2. support frame, 3. lower fixed column, 4. furnace body, 5. furnace cover, 6. horizontal support plate, 7. horizontal cantilever, 8. hook, 9. second reversing wheel assembly, 901. second lower supporting wheel, 902. second upper clamping wheel, 10. wire rope, 11. first reversing wheel assembly, 1101. first lower supporting wheel, 1102. first upper clamping wheel, 12. winch, 13. motor reducer, 14. driving gear, 15. driven gear, 16. supporting part, 17. driving part, 18. lower solid section, 19. horizontal rotating shaft, 20. upper hollow section, 21. front fixed baffle, 22. rear detachable baffle, 23. bearing assembly. DETAILED DESCRIPTION

[0017] The utility model is described in detail according to the accompanying drawings of the specification. Example

[0018] like Figure 1 As shown, the auxiliary lifting system for the silicon carbide synthesis furnace includes a support frame 2 fixed to the furnace body 4 as a whole, and a support column is provided on the upper surface of the support frame 2 at one side of the furnace body 4.

[0019] The support column includes a lower fixed column 3, an upper rotatable column 1, and a bearing assembly 23 connected between the upper rotatable column 1 and the lower fixed column 3. A horizontal cantilever 7 is fixed to the top of the upper rotatable column 1. A first reversing wheel assembly 11 is fixed to the upper surface of one end of the horizontal cantilever 7, and a second reversing wheel assembly 9 is fixed to the upper surface of the other end. A horizontal support plate 6 is fixed to the upper part of the upper rotatable column 1. A winch 12 is fixed to the horizontal support plate 6. A steel wire rope 10 is wound around the winch drum of the winch 12. The free end of the steel wire rope 10 passes around the reversing wheels of the first reversing wheel assembly 11 and the second reversing wheel assembly 9 in turn, and is connected to the hook 8. The support frame 2 is welded by profiles and plates.

[0020] When in use, the furnace cover 5 is opened, and the staff pushes the upper rotatable column 1 to rotate, so that the upper rotatable column 1 drives the end of the horizontal cantilever 7 to rotate to the top of the furnace body 4, and then the wire rope 10 is lowered by the winch 12, so that the hook 8 descends and approaches to hang the workpiece in the furnace body 4, and then the winch 12 is used to lift the workpiece. After reaching the outside of the furnace body 4, the upper rotatable column 1 drives the workpiece to rotate to the workpiece placement area, completing the process of extracting the workpiece. Example

[0021] like Figure 2 to Figure 5 As shown, the auxiliary lifting system for the silicon carbide synthesis furnace includes a support frame 2 fixed to the furnace body 4 as a whole, and a support column is provided on the upper surface of the support frame 2 at one side of the furnace body 4.

[0022] The pillar includes a lower fixed column 3, an upper rotatable column 1, and a bearing assembly 23 connected between the upper rotatable column 1 and the lower fixed column 3. In this embodiment, the upper rotatable column 1 includes a support portion 16 connected to the lower fixed column 3 by means of the bearing assembly 23, and a foldable portion hinged to the support portion 16, wherein the upper portion of the support portion 16 is U-shaped and a horizontal rotation shaft 19 is supported at its upper end. The foldable portion includes a lower solid section 18 and an upper hollow section 20. The lower solid section 18 is inserted into the upper portion of the support portion 16 and is connected and fixed to the horizontal rotation shaft 19. A support plate is provided on the side wall of the support portion 16, and a driving portion 17 connected to the horizontal rotation shaft 19 is provided on the support plate. A front fixed baffle 21 and a rear detachable baffle 22 corresponding to the lower solid section 18 of the foldable portion are also provided on the upper portion of the support portion 16.

[0023] A horizontal cantilever 7 is fixed to the top of the upper hollow section 20 of the foldable portion, a first reversing wheel assembly 11 is fixed to the upper surface of one end of the horizontal cantilever 7, and a second reversing wheel assembly 9 is fixed to the upper surface of the other end, the first reversing wheel assembly 11 includes a first lower support wheel 1101 and a first upper clamping wheel 1102, and the second reversing wheel assembly 9 includes a second lower support wheel 901 and a second upper clamping wheel 902. A horizontal support plate 6 is also fixed to the upper part of the upper hollow section 20, and a winch 12 is fixed to the horizontal support plate 6. A driven gear 15 is sleeved on the lower part of the support portion 16, and a motor reducer 13 is fixed to the bottom surface of the support frame 2, the output shaft of the motor reducer 13 passes through the upper surface of the support frame 2 and is fixed with a driving gear 14, and the driving gear 14 and the driven gear 15 are meshed with each other.

[0024] When in use, start the motor reducer 13 to drive the upper rotatable column to rotate, and the end of the horizontal cantilever 7 rotates to reach the top of the furnace body 4, so that the upper rotatable column drives the end of the horizontal cantilever 7 to rotate to reach the top of the furnace body 4, and then use the winch 12 to lower the wire rope 10, so that the hook 8 drops and approaches to hang the workpiece in the furnace body 4, and then use the winch 12 to lift the workpiece. After reaching the outside of the furnace body 4, the motor reducer 13 is reversed, and the upper rotatable column drives the workpiece to rotate to the workpiece placement area, completing the process of extracting the workpiece.

[0025] When maintenance is needed, the motor reducer 13 is started to drive the upper rotatable column to rotate and the horizontal cantilever 7 to move away from the furnace body 4, and then the rear detachable baffle 22 is removed, and the drive unit 17 is started to drive the foldable part to rotate to the horizontal level, which is convenient for the staff to maintain. At the same time, the total weight of the upper hollow section 20 of the foldable part and the components installed thereon is basically equal to the total weight of the lower solid section 18, which is convenient for the drive unit to complete the drive with less effort.

[0026] The above is a detailed description of the embodiments of the utility model, but the above contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of the invention of the utility model should still fall within the scope of this patent.

Claims

1. An auxiliary lifting system for a silicon carbide synthesis furnace, comprising a support frame fixed integrally with the furnace body, characterized in that: The upper surface of the support frame is provided with a pillar on one side of the furnace body, and the pillar includes a lower fixed column, an upper rotatable column, and a bearing assembly connected between the upper rotatable column and the lower fixed column. A horizontal cantilever is fixed to the top of the upper rotatable column, a first reversing wheel assembly is fixed to the upper surface of one end of the horizontal cantilever, and a second reversing wheel assembly is fixed to the upper surface of the other end. A horizontal support plate is also fixed to the upper part of the upper rotatable column, and a winch is fixed on the horizontal support plate. A steel wire rope is wound on the winch drum of the winch, and the free end of the steel wire rope is successively passed around the reversing wheels of the first reversing wheel assembly and the second reversing wheel assembly, and is connected to a hook.

2. The auxiliary lifting system for a silicon carbide synthesis furnace according to claim 1, characterized in that: A driven gear is sleeved on the lower part of the upper rotatable column, a motor reducer is fixed to the bottom surface of the support frame, an output shaft of the motor reducer passes through the upper surface of the support frame and is fixed with a driving gear, and the driving gear and the driven gear are meshed with each other.

3. The auxiliary lifting system for a silicon carbide synthesis furnace according to claim 1, characterized in that: The upper rotatable column includes a supporting portion connected to the lower fixed column by a bearing assembly, and a foldable portion hinged to the supporting portion, the upper portion of the supporting portion is U-shaped and a horizontal rotating shaft is supported at its upper end, the foldable portion includes a lower solid section and an upper hollow section, the lower solid section is inserted into the upper portion of the supporting portion and is connected and fixed to the horizontal rotating shaft, a supporting plate is provided on the side wall of the supporting portion, a driving portion connected to the horizontal rotating shaft is provided on the supporting plate, a front fixed baffle and a rear detachable baffle corresponding to the lower solid section of the foldable portion are further provided on the upper portion of the supporting portion, and the horizontal cantilever and the horizontal support plate are both fixed on the upper hollow section of the foldable portion.

4. The auxiliary lifting system for a silicon carbide synthesis furnace according to claim 1, characterized in that: The first reversing wheel assembly includes a first lower supporting wheel and a first upper clamping wheel, and the second reversing wheel assembly includes a second lower supporting wheel and a second upper clamping wheel.

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