Cooling structure for resistance furnace

Abstract

The utility model discloses a cooling structure for a resistance furnace, which comprises a support fixed at the top of the resistance furnace, a motor and a transmission shaft are mounted on the support at intervals, the output end of the motor is in transmission connection with the transmission shaft through a belt, the lower half part of the transmission shaft is provided with threads, and a first cooling fan blade is mounted on the transmission shaft outside the resistance furnace in a penetrating manner; a second cooling fan blade is arranged on the transmission shaft in the resistance furnace in a penetrating manner, and a stirring fan blade is arranged on the transmission shaft below the second cooling fan blade in a penetrating manner; through the design, the technical problems that equipment is damaged due to the fact that the working temperature of the resistance furnace is too high, the maintenance cost is too high, the uniformity of the furnace temperature cannot be better guaranteed, and the product quality cannot be guaranteed are solved.

Description

Technical Field

[0001] The utility model relates to the field of temperature control of resistance furnaces, and particularly relates to a cooling structure for a resistance furnace. Background Art

[0002] With the continuous development of the new energy market, the production capacity of wind power flanges has been continuously expanded. Accordingly, the heat treatment pit type resistance furnaces of supporting equipment are more widely used, and the requirements for temperature control are getting higher and higher.

[0003] Due to the too high working temperature, it will cause damage to the equipment and a high deformation rate. This not only results in too high maintenance costs, but also cannot better ensure the furnace temperature uniformity, which will lead to the inability to guarantee the product quality. Therefore, a stirring fan for controlling the temperature needs to be installed on the furnace top.

[0004] For this reason, this application provides a cooling structure for a resistance furnace to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the defects in the prior art and provide a cooling structure for a resistance furnace.

[0006] The utility model adopts the following technical solutions to achieve the above purpose:

[0007] A cooling structure for a resistance furnace includes: a bracket fixed on the furnace top of the resistance furnace. A motor and a transmission shaft are installed on the bracket at intervals. The output end of the motor and the transmission shaft are connected by belt drive. The lower half of the transmission shaft is provided with threads. A first cooling air blade is sleeved on the transmission shaft outside the resistance furnace, a second cooling air blade is sleeved on the transmission shaft inside the resistance furnace, and a stirring air blade is sleeved on the transmission shaft below the second cooling air blade.

[0008] Preferably, the output end of the motor is vertically upward connected with a driving wheel, the transmission shaft is connected with a driven wheel on the same horizontal line as the driving wheel, and the driving wheel and the driven wheel are connected by belt drive.

[0009] Preferably, the bracket and the transmission shaft are connected through a bearing seat.

[0010] Preferably, the transmission shaft and the first cooling air blade are sleeved and fixed through a large lock nut.

[0011] Preferably, the transmission shaft and the second cooling air blade are sleeved and fixed through a large lock nut.

[0012] Preferably, the transmission shaft and the stirring air blade are sleeved and fixed through a small lock nut.

[0013] Preferably, the transmission shaft is made of stainless steel.

[0014] Preferably, the cooling fan blades and the stirring fan blades are both made of cast steel.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The gas in the furnace body is stirred by the rotation of the stirring fan blades, and the cooling fan blades are installed inside and outside the furnace body for cooling inside and outside the furnace. The mechanical principle of the present utility model is simple, the transformation cost is relatively low, the maintenance efficiency is improved, the situation of the transmission shaft deforming due to operation in a high-temperature environment is avoided, the service life of the equipment accessories is increased, the processing efficiency is improved, the production efficiency is improved, the quality of the product is guaranteed, and the social benefits are improved. Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0018] In the figure: 100, resistance furnace; 1, bracket; 2, motor; 21, driving wheel; 3, transmission shaft; 31, thread; 32, driven wheel; 4, belt; 5, first cooling fan blade; 51, large lock nut; 6, second cooling fan blade; 7, stirring fan blade; 71, small lock nut; 8, bearing seat. Specific Embodiments

[0019] Next, a preferred embodiment of the present utility model will be described in conjunction with the drawings, and the technical solutions in a preferred embodiment of the present utility model will be clearly and completely described.

[0020] A cooling structure for a resistance furnace, comprising: a bracket 1 fixed on the top of the resistance furnace 100, a motor 2 and a transmission shaft 3 are installed at intervals on the bracket 1, the output end of the motor 2 and the transmission shaft 3 are connected by a belt 4 in a transmission manner, a thread 31 is provided on the lower half of the transmission shaft 3, a first cooling fan blade 5 is sleeved on the transmission shaft 3 outside the resistance furnace 100, a second cooling fan blade 6 is sleeved on the transmission shaft 3 inside the resistance furnace 100, and a stirring fan blade 7 is sleeved on the transmission shaft 3 below the second cooling fan blade 6.

[0021] The utility model adopts the above design, utilizes the bracket 1 to fix the motor 2 and the transmission shaft 3 according to the designed position, assembles the transmission shaft 3, and places the output shaft of the motor 2 and the transmission shaft 3 horizontally. The first cooling fan blade 5 and the second cooling fan blade 6 inside and outside the furnace are installed and fastened by the large lock nut 51. The end is connected to the stirring fan blade 7 and fastened by the small lock nut 71. The belt 4 is installed to drive the transmission shaft 3 to rotate. The motor 2 provides transmission power, and drives the transmission shaft 3 to rotate through the belt 4. The end of the transmission shaft 3 is connected with the stirring fan blade 7. The stirring fan blade 7 rotates to stir the furnace gas. The transmission shaft 3 also drives the first cooling fan blade 5 and the second cooling fan blade 6 connected to the transmission shaft 3 to rotate to cool the inside and outside of the furnace, thereby avoiding high-temperature deformation of the resistance furnace. The design structure of the present application is simple, the transformation cost is low, the maintenance efficiency is improved, the deformation of the transmission shaft caused by operation in a high-temperature environment is avoided, and the service life of the equipment accessories is increased, the processing efficiency is improved, the production efficiency is improved, the quality of the product is guaranteed, and the social benefits are improved.

[0022] Specifically, the output end of the motor 2 is vertically connected to a driving wheel 21 , and the transmission shaft 3 is connected to a driven wheel 32 which is on the same horizontal line as the driving wheel 21 . The driving wheel 21 and the driven wheel 32 are connected through a belt 4 .

[0023] Specifically, the bracket 1 is connected to the transmission shaft 3 via a bearing seat 8 .

[0024] Through the above design, the transmission shaft 3 of the utility model is fixedly mounted on the bracket 1 through the upper and lower bearing seats 8 .

[0025] Specifically, the transmission shaft 3 and the first cooling fan blade 5 are fixed through the large lock nut 51 .

[0026] Specifically, the transmission shaft 3 and the second cooling fan blade 6 are fixed through the large lock nut 51 .

[0027] Specifically, the transmission shaft 3 and the stirring fan blade 7 are fixed through a small lock nut 71.

[0028] Specifically, the transmission shaft 3 is made of stainless steel.

[0029] Through the above design, the transmission shaft 3 of the utility model is made of stainless steel and is heat-treated and tempered to be resistant to high temperatures above 1200°C.

[0030] Specifically, the first cooling fan blade 5, the second cooling fan blade 6 and the stirring fan blade 7 are all made of cast steel.

[0031] Through the above design, the utility model adopts cast steel material, which can be used for a long time at an ambient temperature above 1000° C. without deformation. Compared with the transmission shaft 3, the material cost is low, and it is wear-resistant and durable.

[0032] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cooling structure for a resistance furnace, characterized in that, Including: A bracket (1) fixed to the top of a resistance furnace (100). A motor (2) and a transmission shaft (3) are installed at intervals on the bracket (1). The output end of the motor (2) and the transmission shaft (3) are connected by a belt (4) for transmission. A thread (31) is provided on the lower half of the transmission shaft (3). A first cooling air blade (5) is sleeved on the transmission shaft (3) outside the resistance furnace (100), a second cooling air blade (6) is sleeved on the transmission shaft (3) inside the resistance furnace (100), and a stirring air blade (7) is sleeved on the transmission shaft (3) below the second cooling air blade (6).

2. The cooling structure for a resistance furnace according to claim 1, characterized in that: The output end of the motor (2) is vertically upward connected with a driving wheel (21), a driven wheel (32) on the same horizontal line as the driving wheel (21) is connected to the transmission shaft (3), and the driving wheel (21) and the driven wheel (32) are connected by a belt (4) for transmission.

3. The cooling structure for a resistance furnace according to claim 2, characterized in that: The bracket (1) and the transmission shaft (3) are connected through a bearing seat (8).

4. The cooling structure for a resistance furnace according to claim 1, wherein: The transmission shaft (3) and the first cooling air blade (5) are sleeved and fixed through a large lock nut (51).

5. The cooling structure for a resistance furnace according to claim 1, characterized in that: The transmission shaft (3) and the second cooling air blade (6) are sleeved and fixed through a large lock nut (51).

6. The cooling structure for a resistance furnace according to claim 1, wherein: The transmission shaft (3) and the stirring air blade (7) are sleeved and fixed through a small lock nut (71).

7. The cooling structure for a resistance furnace according to claim 1, wherein: The transmission shaft (3) is made of stainless steel.

8. The cooling structure for a resistance furnace according to claim 1, characterized in that: The first cooling air blade (5), the second cooling air blade (6) and the stirring air blade (7) are all made of cast steel.

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