Heat dissipation device for electric hoist of double-beam crane

Abstract

The utility model discloses a heat dissipation device for an electric hoist of a double-beam crane, which comprises a casing, an air inlet end is arranged at one end of a casing body, a connecting end is arranged at the other end of the casing body, an air inlet is formed in the air inlet end, a protective filter screen is arranged at the air inlet, a mounting frame is arranged on the inner side of the air inlet, a double-shaft motor is arranged on the mounting frame, and the double-shaft motor is connected with the connecting end. A cooling fan is arranged at the inner end of the double-shaft motor, a speed reducer is connected to the outer end of the double-shaft motor, the output end of the speed reducer extends to the outer side of the protective filter screen and is provided with a cleaning brush, a heat exchange screen plate is arranged on the inner side of the cooling fan, heat exchange plates are arranged on the two sides of the heat exchange screen plate, and a semiconductor chilling plate is arranged on the machine shell. According to the air conditioner, active refrigeration of the whole air conditioner can be improved, the position of the air inlet can be cleaned, and the heat dissipation effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation of electric hoists, and more specifically, to a heat dissipation device for an electric hoist of a double-beam crane. Background Art

[0002] Double-beam crane is a common lifting equipment, which is mainly composed of three parts: mechanical, electrical and metal structure. Its appearance is a single-span flat bridge supported at both ends on two parallel overhead tracks. Double-beam crane is widely used in indoor and outdoor industrial and mining enterprises, steel and chemical industry, railway transportation, port terminals and logistics turnover departments and places;

[0003] Electric hoist is an important component of double-beam crane in realizing lifting operation. It lifts and lowers heavy objects by driving chains or wire ropes through electric motors. It has the characteristics of easy operation, high efficiency and low cost.

[0004] During the use of electric hoists, due to factors such as the operation of the motor, more heat will be generated. Therefore, the electric hoist needs to be cooled in time. The traditional heat dissipation method is mainly to open vents on the casing of the electric hoist for natural heat dissipation. In this way, the heat dissipation effect is poor;

[0005] And when the outside temperature is high, it will further affect the heat dissipation effect inside the electric hoist casing;

[0006] Moreover, some double-beam cranes are installed inside factory buildings with poor air flow, which will also lead to poor air flow inside the electric hoist casing, affecting the heat dissipation.

[0007] In addition, a lot of impurities will adhere to the ventilation holes of the electric hoist. Generally, the installation and use position of the electric hoist is relatively high, which is not convenient for manual cleaning. After long-term use, the ventilation holes are easily blocked, affecting the airflow inside the electric hoist casing. Utility Model Content

[0008] 1. Technical issues to be resolved

[0009] In view of the problems existing in the prior art, the utility model provides a heat dissipation device for an electric hoist of a double-beam crane, so as to solve the technical problem of poor heat dissipation effect of the heat dissipation device for an electric hoist of a double-beam crane in the prior art mentioned in the background technology.

[0010] (II) Technical solution

[0011] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0012] A heat dissipation device for an electric hoist of a double-beam crane comprises a casing, wherein an air inlet end is provided at one end of the casing body, and a connecting end is provided at the other end, an air inlet is provided at the air inlet end, a protective filter is provided at the air inlet, and a mounting frame is provided on the inner side of the air inlet, a dual-axis motor is provided on the mounting frame, a cooling fan is provided at the inner end of the dual-axis motor, and a reducer is connected to the outer end, an output end of the reducer extends to the outer side of the protective filter and is provided with a cleaning brush, a heat exchange mesh is provided on the inner side of the cooling fan, heat exchange plates are provided on both sides of the heat exchange mesh, a semiconductor refrigeration sheet is provided on the casing, and the cooling end of the semiconductor refrigeration sheet is in contact with the heat exchange plate.

[0013] The utility model is further configured such that a plurality of mounting shafts are rotatably mounted on the inner side of the heat exchange mesh plate through bearings, and guide impellers are co-arranged on the mounting shafts. Specifically, the configuration of the mounting shafts and the guide impellers can realize the guidance of the airflow flowing inside the casing.

[0014] The utility model is further configured such that a support frame is provided at the air inlet, a support seat is provided at the middle position of the support frame, and the protective filter screen is covered on the support frame. The installation stability of the protective filter screen can be improved by the cooperation of the support frame and the support seat.

[0015] The utility model is further configured such that a connecting shaft is provided at the output end of the reducer, the connecting shaft is rotatably connected to the support seat via a bearing, the cleaning brush is installed at the output end of the connecting shaft, and the connecting shaft can realize stable installation of the cleaning brush at the output end of the reducer.

[0016] The utility model is further configured such that a plurality of heat exchange guide plates are evenly arranged on the heat exchange mesh plate, and a heat exchange flow channel is formed between two adjacent groups of the heat exchange guide plates to improve the heat exchange effect when the airflow flows through the heat exchange mesh plate.

[0017] The utility model is further configured such that the heat exchange channel is in a lightning shape or a snake shape, thereby increasing the heat exchange time and heat exchange area of ​​the airflow in the heat exchange channel.

[0018] The utility model is further configured that a connecting ear is provided on the connecting end, and a connecting hole is opened on the connecting ear to facilitate the connection between the casing and other parts of the electric hoist.

[0019] The utility model is further configured that the heat dissipation end of the semiconductor refrigeration plate is provided with a heat dissipation fin to enhance the heat dissipation effect of the heat dissipation end of the semiconductor refrigeration plate.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model provides a heat dissipation device for an electric hoist of a double-beam crane, which has the following beneficial effects:

[0022] 1. The utility model includes a casing, one end of the casing body is provided with an air inlet end, and the other end is provided with a connecting end, the air inlet end is provided with an air inlet, a protective filter is provided at the air inlet, and a mounting frame is provided on the inner side of the air inlet, a dual-axis motor is provided on the mounting frame, and a cooling fan is provided at the inner end of the dual-axis motor, so that the dual-axis motor is started and the cooling fan can be driven to rotate by the dual-axis motor, thereby promoting the flow of air flow inside the casing, and thus, the heat dissipation effect inside the casing can be improved.

[0023] 2. In the utility model, a reducer is connected to the outer end of the dual-axis motor, the output end of the reducer extends to the outside of the protective filter, and a cleaning brush is provided. In this way, when the dual-axis motor is running, the cleaning brush can be controlled to rotate by the reducer to clean the outer surface of the protective filter at the air inlet, thereby avoiding the adhesion of dust and impurities on the surface of the protective filter, improving the ventilation effect at the air inlet, thereby improving the circulation effect of the air flow inside the casing, and enhancing the heat dissipation inside the casing.

[0024] 3. The utility model is provided with a heat exchange mesh on the inner side of the heat dissipation fan, heat exchange plates are provided on both sides of the heat exchange mesh, and a semiconductor refrigeration sheet is provided on the casing. The cooling end of the semiconductor refrigeration sheet is in contact with the heat exchange plate. When the outside temperature is high, resulting in a poor heat dissipation effect inside the casing, the semiconductor refrigeration sheet can be started, and cooling is performed by the semiconductor refrigeration sheet, and heat is transferred through the heat exchange plate and the heat exchange mesh, so that the overall temperature of the heat exchange mesh is reduced, so that the airflow flowing through the heat exchange mesh will be cooled. In this way, when the airflow flows through the motor inside the casing, the cooling effect of the motor in the electric hoist can be further enhanced, and the overall heat dissipation performance of the electric hoist can be improved.

[0025] 4. The utility model has multiple sets of mounting shafts rotatably mounted on the inner side of the heat exchange mesh plate through bearings, and the mounting shafts are matched with guide impellers. When the airflow passes through the heat exchange mesh plate, it reaches the guide impeller position and blows the guide impeller to rotate, thereby disturbing the circulating airflow. In this way, the airflow can be fully circulated inside the casing, thereby improving the heat dissipation sufficiency and heat dissipation effect inside the casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The overall structure of a heat dissipation device for an electric hoist of a double-beam crane in the utility model is shown in FIG. Figure 1 ;

[0027] Figure 2 The overall structure of a heat dissipation device for an electric hoist of a double-beam crane in the utility model is shown in FIG. Figure 2 ;

[0028] Figure 3The overall structure of the utility model is shown in cross-section Figure 1 ;

[0029] Figure 4 The overall structure of the utility model is shown in cross-section Figure 2 ;

[0030] Figure 5 This is a schematic diagram of the connection structure between the dual-axis motor, the cooling fan and the cleaning brush in the utility model;

[0031] Figure 6 It is a schematic diagram of the connection structure between the heat exchange mesh plate, the heat exchange plate, the semiconductor refrigeration plate and the heat exchange guide plate in the utility model.

[0032] In the figure: 1. Casing; 2. Air inlet end; 3. Connection end; 4. Air inlet; 5. Protective filter; 6. Mounting frame; 7. Dual-axis motor; 8. Cooling fan; 9. Reducer; 10. Cleaning brush; 11. Heat exchange mesh plate; 12. Heat exchange plate; 13. Semiconductor refrigeration plate; 14. Mounting shaft; 15. Guide impeller; 16. Support frame; 17. Support seat; 18. Connecting shaft; 19. Heat exchange guide plate; 20. Heat exchange flow channel; 21. Connecting ear; 22. Connecting hole; 23. Cooling fin. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0035] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0036] See also Figure 1-6A heat dissipation device for an electric hoist of a double-beam crane comprises a casing 1, an air inlet end 2 is arranged at one end of the casing 1 body, and a connecting end 3 is arranged at the other end, an air inlet 4 is opened at the air inlet end 2, a protective filter 5 is arranged at the air inlet 4, and a mounting frame 6 is arranged on the inner side of the air inlet 4, a dual-axis motor 7 is arranged on the mounting frame 6, and a heat dissipation fan 8 is arranged at the inner end of the dual-axis motor 7, so that the dual-axis motor 7 is started, and the heat dissipation fan 8 can be driven to rotate by the dual-axis motor 7, thereby promoting the air flow inside the casing 1, so that the heat dissipation effect inside the casing 1 can be improved.

[0037] In addition, a reducer 9 is connected to the outer end of the dual-axis motor 7 of the utility model, the output end of the reducer 9 extends to the outside of the protective filter 5, and a cleaning brush 10 is provided. In this way, when the dual-axis motor 7 is running, the cleaning brush 10 can be controlled to rotate by the reducer 9 to achieve the cleaning of the outer surface of the protective filter 5 at the air inlet 4, thereby avoiding the adhesion of dust and impurities on the surface of the protective filter 5, improving the ventilation effect at the air inlet 4, thereby improving the circulation effect of the air flow inside the casing 1, and enhancing the heat dissipation inside the casing 1.

[0038] The utility model is provided with a heat exchange mesh plate 11 on the inner side of the heat dissipation fan 8, and heat exchange plates 12 are provided on both sides of the heat exchange mesh plate 11. A semiconductor refrigeration sheet 13 is provided on the casing 1, and the cooling end of the semiconductor refrigeration sheet 13 is in contact with the heat exchange plate 12. When the outside temperature is high, resulting in a poor heat dissipation effect inside the casing 1, the semiconductor refrigeration sheet 13 can be started, and cooling is performed through the semiconductor refrigeration sheet 13, and heat is transferred through the heat exchange plate 12 and the heat exchange mesh plate 11, so that the overall temperature of the heat exchange mesh plate 11 is reduced, so that the airflow flowing from the heat exchange mesh plate 11 will be cooled. In this way, when the airflow flows through the motor inside the casing 1, the cooling effect of the motor in the electric hoist can be further enhanced, and the overall heat dissipation performance of the electric hoist can be improved;

[0039] Here, a temperature sensor can be arranged inside the casing 1 to monitor the temperature inside the casing 1 and cooperate with the controller to control the operation of the semiconductor refrigeration plate 13 and the cooling fan 8. The circuit connection structure and the coordination principle between the temperature sensor, the controller, the semiconductor refrigeration plate and the dual-axis motor 7 are existing well-known technologies and will not be elaborated in the present utility model.

[0040] See also Figure 1-Figure 6 As an implementation method of the heat exchange mesh plate 11: a plurality of mounting shafts 14 are rotatably mounted on the inner side of the heat exchange mesh plate 11 through bearings, and a guide impeller 15 is matched with the mounting shaft 14.

[0041] Specifically, after the air flow passes through the heat exchange mesh plate 11, it will reach the position of the guide impeller 15 and blow the guide impeller 15 to rotate, thereby disturbing the circulating air flow. In this way, the air flow can be fully circulated inside the casing 1, thereby improving the heat dissipation sufficiency and heat dissipation effect inside the casing 1.

[0042] See also Figure 1-Figure 6 As an implementation method of the air inlet 4 , a support frame 16 is provided at the air inlet 4 , a support seat 17 is provided at the middle position of the support frame 16 , and the protective filter 5 covers the support frame 16 .

[0043] Specifically, the cooperation between the support frame 16 and the support seat 17 can improve the installation stability of the protective filter 5 at the air inlet 4 .

[0044] See also Figure 1-Figure 6 As an implementation of the cleaning brush 10 , a connecting shaft 18 is provided at the output end of the reducer 9 , the connecting shaft 18 is rotatably connected to the support seat 17 via a bearing, and the cleaning brush 10 is installed at the output end of the connecting shaft 18 .

[0045] Specifically, the connection between the reducer 9 and the cleaning brush 10 can be achieved through the connecting shaft 18, and the connecting shaft 18 is installed on the support seat 17 through a bearing, which can improve the installation stability of the connecting shaft 18.

[0046] See also Figure 1-Figure 6 As an implementation of the heat exchange mesh plate 11 : a plurality of heat exchange guide plates 19 are evenly arranged on the heat exchange mesh plate 11 , and a heat exchange flow channel 20 is formed between two adjacent groups of heat exchange guide plates 19 .

[0047] Specifically, when the airflow flows through the heat exchange mesh plate 11, it will flow in the heat exchange channel 20 and contact the heat exchange guide plate 19. The arrangement of the heat exchange guide plate 19 and the heat exchange channel 20 can enhance the heat exchange area of ​​the airflow when it flows through the heat exchange mesh plate 11, thereby improving the heat exchange and cooling effect of the airflow, thereby enhancing the heat dissipation effect of the motor inside the casing 1 of the electric hoist.

[0048] See also Figure 1-Figure 6 As an implementation of the heat exchange channel 20: the heat exchange channel 20 is in a lightning shape or a snake shape.

[0049] Specifically, by setting up a lightning-shaped or serpentine heat exchange channel 20, the circulation time of the airflow in the heat exchange channel 20 can be increased, the contact time and contact area between the airflow and the heat exchange guide plate 19 can be increased, and the heat exchange and cooling effect of the airflow can be improved, thereby improving the overall heat dissipation and cooling effect of the electric hoist.

[0050] See also Figure 1-Figure 6As an implementation of the connection end 3 , a connection ear 21 is provided on the connection end 3 , and a connection hole 22 is opened on the connection ear 21 .

[0051] Specifically, the connection between the housing 1 and other corresponding parts of the electric hoist can be achieved through the cooperation between the connecting ears 21 and the connecting holes 22 .

[0052] See also Figure 1-Figure 6 As an implementation of the semiconductor refrigeration plate 13 : a heat dissipation fin 23 is provided at the heat dissipation end of the semiconductor refrigeration plate 13 .

[0053] Specifically, the heat dissipation effect of the heat dissipation end of the semiconductor refrigeration plate 13 can be enhanced by the heat dissipation fins 23 .

[0054] In summary, when the overall equipment is in use:

[0055] The dual-axis motor 7 is started, and the cooling fan 8 can be driven to rotate by the dual-axis motor 7, so as to promote the flow of air inside the housing 1, so as to improve the heat dissipation effect inside the housing 1;

[0056] During this process, when the dual-axis motor 7 is running, the cleaning brush 10 can be controlled to rotate by the reducer 9 to clean the outer surface of the protective filter 5 at the air inlet 4, thereby preventing dust impurities from adhering to the surface of the protective filter 5, improving the ventilation effect at the air inlet 4, thereby improving the circulation effect of the air flow inside the casing 1, and enhancing the heat dissipation inside the casing 1;

[0057] When the outside temperature is high, resulting in poor heat dissipation effect inside the casing 1, the semiconductor refrigeration sheet 13 can be started, and cooling is performed through the semiconductor refrigeration sheet 13, and heat is transferred through the heat exchange plate 12 and the heat exchange mesh plate 11, so that the overall temperature of the heat exchange mesh plate 11 is reduced, and the airflow entering the casing 1 will flow through the heat exchange mesh plate 11 and will be cooled. In this way, when the airflow flows through the motor inside the casing 1, the cooling effect of the motor in the electric hoist can be further enhanced, and the overall heat dissipation performance of the electric hoist can be improved;

[0058] In this process, the airflow passing through the heat exchange mesh plate 11 will flow in the heat exchange channel 20 and contact the heat exchange guide plate 19. The heat exchange channel 20 is in a lightning shape or a snake shape, which can increase the circulation time of the airflow in the heat exchange channel 20, increase the contact time and contact area between the airflow and the heat exchange guide plate 19, and improve the heat exchange and cooling effect of the airflow, thereby improving the overall heat dissipation and cooling effect of the electric hoist;

[0059] Here, a temperature sensor may be provided inside the housing 1 to monitor the temperature inside the housing 1 and cooperate with the controller to control the operation of the semiconductor cooling sheet 13 and the cooling fan 8. The circuit connection structure and the cooperation principle between the temperature sensor, the controller, the semiconductor cooling sheet and the dual-axis motor 7 are existing well-known technologies and will not be elaborated in detail in the present utility model.

[0060] After the airflow passes through the heat exchange mesh plate 11, it reaches the guide vane 15 and blows the guide vane 15 to rotate, thereby disturbing the circulating airflow. In this way, the airflow can be fully circulated inside the housing 1, thereby improving the heat dissipation adequacy and heat dissipation effect inside the housing 1;

[0061] The heat exchange mesh plate 11, the heat exchange plate 12 and the heat exchange guide plate 19 are preferably made of aluminum or copper with good heat conduction and heat exchange performance.

[0062] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;

[0063] In all the schemes mentioned above, if there is no clear description, the operation of electrical components is controlled by the controller. Since the devices matched with the controller are common devices, their control principles and line connections are all well-known and mature technologies, and their electrical connection relationships and specific circuit structures are not described here.

[0064] In all the schemes mentioned above, the motor involved can be matched with a reducer if necessary. The connection structure and working principle between the motor and the reducer are existing well-known technologies, and the utility model will not elaborate on them.

[0065] Among all the solutions mentioned above, those involving the connection between solar panels and batteries can be equipped with necessary accessories such as inverters, battery charging controllers, cables, fuses, and brackets. Their control principles and line connections are all well-known and mature technologies, and their electrical connection relationships and specific circuit structures will not be described in detail here.

Claims

1. A heat dissipation device for an electric hoist of a double-beam crane, comprising a housing (1), wherein one end of the housing (1) is provided with an air inlet end (2), and the other end is provided with a connecting end (3), wherein the air inlet end (2) is provided with an air inlet port (4), wherein: A protective filter (5) is provided at the air inlet (4), and a mounting frame (6) is provided on the inner side of the air inlet (4); a dual-axis motor (7) is provided on the mounting frame (6); a cooling fan (8) is provided at the inner end of the dual-axis motor (7), and a reducer (9) is connected to the outer end; the output end of the reducer (9) extends to the outer side of the protective filter (5) and is provided with a cleaning brush (10); a heat exchange mesh (11) is provided on the inner side of the cooling fan (8), and heat exchange plates (12) are provided on both sides of the heat exchange mesh (11); a semiconductor cooling sheet (13) is provided on the housing (1), and the cooling end of the semiconductor cooling sheet (13) is in contact with the heat exchange plate (12).

2. The heat dissipation device for electric hoist of double-beam crane according to claim 1 is characterized in that: Multiple groups of mounting shafts (14) are rotatably mounted on the inner side of the heat exchange mesh plate (11) via bearings, and guide impellers (15) are arranged on the mounting shafts (14).

3. The heat dissipation device for electric hoist of double-beam crane according to claim 1 is characterized by: A support frame (16) is provided at the air inlet (4), a support seat (17) is provided at the middle position of the support frame (16), and the protective filter (5) covers the support frame (16).

4. The heat dissipation device for electric hoist of double-beam crane according to claim 3 is characterized by: The output end of the reducer (9) is provided with a connecting shaft (18), the connecting shaft (18) is rotatably connected to the support seat (17) via a bearing, and the cleaning brush (10) is mounted on the output end of the connecting shaft (18).

5. A heat dissipation device for an electric hoist of a double-beam crane according to any one of claims 1 to 4, characterized in that: A plurality of heat exchange guide plates (19) are evenly arranged on the heat exchange mesh plate (11), and a heat exchange flow channel (20) is formed between two adjacent groups of the heat exchange guide plates (19).

6. The heat dissipation device for electric hoist of double-beam crane according to claim 5 is characterized by: The heat exchange flow channel (20) is in a lightning shape or a snake shape.

7. The heat dissipation device for electric hoist of double-beam crane according to claim 1 is characterized by: The connecting end (3) is provided with a connecting ear (21), and the connecting ear (21) is provided with a connecting hole (22).

8. The heat dissipation device for electric hoist of double-beam crane according to claim 1 is characterized by: A heat dissipation fin (23) is provided at the heat dissipation end of the semiconductor refrigeration sheet (13).

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