Electric hoist convenient for heat dissipation

Abstract

The utility model relates to the field of heat dissipation of electric hoists, and discloses an electric hoist convenient to dissipate heat, which comprises an electric hoist main body and a shell, a driving motor is fixedly arranged in the shell, a heat dissipation mechanism is arranged on the periphery of the driving motor, the heat dissipation mechanism comprises a plurality of heat dissipation fins, and the heat dissipation fins are fixedly arranged on the shell. The heat dissipation fins are fixedly connected to the outer surface of a shell of the driving motor, heat dissipation copper wires are arranged on the heat dissipation fins, and the heat dissipation copper wires penetrate through the heat dissipation fins and are fixedly connected with the heat dissipation fins in a sleeving mode. According to the wind scooper structure, wind blown out by the heat dissipation fan is guided to a part needing heat dissipation more intensively; the heat dissipation fins are distributed on the motor shell in an annular array, and a ventilation gap is formed between every two adjacent heat dissipation fins, so that air circulation is facilitated to take away heat; the heat dissipation copper wires in the ventilation channel are spirally wound on the heat dissipation fins in a penetrating manner, so that the contact area with air is increased, and the heat dissipation effect is improved; and through the synergistic effect of multiple structures, the heat dissipation efficiency of the electric hoist is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric hoist heat dissipation technical field, concretely relates to a kind of electric hoist of heat dissipation is convenient. BACKGROUND

[0002] Electric hoist is a kind of special lifting equipment, is installed on headstock, gantry crane, electric hoist has small size, light weight, simple operation, easy to use etc., for industrial and mining enterprises, warehouse, wharf etc. In the working process of electric hoist, its motor and other components will generate a lot of heat, if not in time heat dissipation, will lead to motor overheating, affect the performance and service life of electric hoist, and even possible safety accident. The existing electric hoist heat dissipation mode has certain limitation, for example, simply increase heat dissipation fin or fan, traditional heat dissipation efficiency is low, cannot carry out targeted efficient heat dissipation to key position when drive motor high-speed operation, while the internal of traditional heat dissipation mechanism is easy to accumulate a lot of dust, and disassembly cleaning is extremely difficult and complex, even easy to cause motor damage problem.

[0003] Therefore, the present application provides a kind of electric hoist of heat dissipation is convenient to solve the heat dissipation efficiency low in the background art proposed, while the internal of traditional heat dissipation mechanism is easy to accumulate a lot of dust, and disassembly cleaning is extremely difficult and complex, violent removal even easy to cause motor damage problem, cause unnecessary loss. UTILITY MODEL CONTENTS

[0004] To solve the above-mentioned existing electric hoist heat dissipation mode has certain limitation, for example, simply increase heat dissipation fin or fan, traditional heat dissipation efficiency is low, cannot carry out targeted efficient heat dissipation to key position when drive motor high-speed operation, while the internal of traditional heat dissipation mechanism is easy to accumulate a lot of dust, and disassembly cleaning is extremely difficult and complex, even easy to cause motor damage technical problem, the basic concept of technical scheme adopted by the utility model is:

[0005] A kind of electric hoist of heat dissipation is convenient, including electric hoist main body and shell, the inside fixed mounting of the shell is equipped with drive motor, the periphery of the drive motor is provided with heat dissipation mechanism, the heat dissipation mechanism includes several heat dissipation fins, the heat dissipation fin is all fixedly connected on the outer surface of the drive motor shell, and heat dissipation copper wire is provided on the heat dissipation fin, and the heat dissipation copper wire is fixedly connected with the heat dissipation fin and is penetrated;Heat dissipation fin annular array distribution is on the drive motor shell, and ventilation gap is formed between adjacent heat dissipation fins, to facilitate air circulation and take away heat;The heat dissipation copper wire in ventilation passage is spirally penetrated and wound on heat dissipation fin, increase the contact area with air, improve heat dissipation effect.

[0006] As a preferred embodiment of the utility model, one end of the shell is fixedly connected with a reduction gear box, the reduction gear box is fixedly installed inside the electric hoist main body, and an input shaft inside the reduction gear box corresponds to and is fixedly connected with a transmission shaft of the driving motor.

[0007] As a preferred embodiment of the utility model, the tail of the driving motor is fixedly connected with a wind scooper, a fan motor is fixedly installed inside the wind scooper, and a fan blade is fixedly installed on a transmission shaft of the fan motor; the heat dissipation fan, the wind scooper, and the conical structure of the wind scooper make the wind blown by the heat dissipation fan more concentratedly guide to the parts needing heat dissipation.

[0008] As a preferred embodiment of the utility model, a plurality of buckles are fixedly installed around the opening of the other end of the shell, a grating plate is fixedly installed at the opening of the shell through the buckles, a plurality of ventilation holes are formed in the plate body of the grating plate, and the ventilation holes correspond to the fan blades; the buckles are designed for easy disassembly, maintenance, and cleaning of the internal dust, and a filter screen is additionally arranged to reduce the accumulation of dust inside the ventilation channel.

[0009] As a preferred embodiment of the utility model, a filter screen is fixedly installed on the inner side of the grating plate through a fixing bolt, and the filter screen corresponds to the ventilation holes.

[0010] As a preferred embodiment of the utility model, a plurality of ventilation louvers are formed in one end of the shell close to the reduction gear box, and the ventilation louvers correspond to the internal heat dissipation fins and the heat dissipation copper wires; one end of the shell is provided with the ventilation louvers, so that the internal hot air flow is easily discharged outside the shell to assist heat dissipation.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The heat dissipation fan, the wind scooper, and the conical structure of the wind scooper make the wind blown by the heat dissipation fan more concentratedly guide to the parts needing heat dissipation; the heat dissipation fins are arranged in an annular array on the motor shell, and ventilation gaps are formed between adjacent heat dissipation fins, so that the air flow is facilitated to take away heat; the heat dissipation copper wires in the ventilation channel are spirally and penetratively wound on the heat dissipation fins, so that the contact area with the air is increased and the heat dissipation effect is improved; the buckles are designed for easy disassembly, maintenance, and cleaning of the internal dust, and the filter screen is additionally arranged to reduce the accumulation of dust inside the ventilation channel; the synergistic effect of the multiple structures effectively improves the heat dissipation efficiency of the electric hoist, solves the problem of poor heat dissipation effect of the existing electric hoist, and has good practicability and popularization value.

[0013] The utility model discloses a specific embodiment will be described in further detail below in connection with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] In the drawings:

[0015] Figure 1 It is a kind of overall three-dimensional front view schematic diagram of electric hoist of convenient heat dissipation;

[0016] Figure 2 It is the drive mechanism exploded schematic diagram of electric hoist of convenient heat dissipation;

[0017] Figure 3 It is the rear view schematic diagram of drive mechanism of electric hoist of convenient heat dissipation;

[0018] Figure 4 It is the ventilation mechanism exploded schematic diagram of electric hoist of convenient heat dissipation;

[0019] Figure 5 It is the longitudinal section schematic diagram of heat dissipation mechanism of electric hoist of convenient heat dissipation.

[0020] In the drawing: 1, electric hoist main body;2, shell;3, ventilation louver;4, reduction gear box;5, grating plate;6, ventilation hole;7, buckle;8, filter screen;9, fan blade;10, wind scooper;11, fan motor;12, drive motor;13, heat dissipation fin;14, heat dissipation copper wire. DETAILED DESCRIPTION

[0021] To make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment will be clearly and completely described below in connection with the drawings in the embodiment of the utility model, and the following embodiment is used to illustrate the utility model.

[0022] As Figures 1 to 5 Shown, a kind of electric hoist of convenient heat dissipation, including electric hoist main body 1 and shell 2, the inside fixed mounting of shell 2 has drive motor 12, drive motor 12 is provided with heat dissipation mechanism in the periphery, heat dissipation mechanism includes several heat dissipation fins 13, heat dissipation fin 13 is all fixedly connected on the outer surface of the shell of drive motor 12, and heat dissipation fin 13 is provided with heat dissipation copper wire 14, heat dissipation copper wire 14 is fixedly connected with the penetration of heat dissipation fin 13 and it;One end of shell 2 is fixedly connected with reduction gear box 4, reduction gear box 4 is fixedly installed in the inside of electric hoist main body 1, and the input shaft in the inside of reduction gear box 4 corresponds with the transmission shaft of drive motor 12, and is fixedly connected with it.

[0023] In this configuration, heat sinks 13 are arranged in a ring array on the housing of the drive motor 12, and ventilation gaps are formed between adjacent heat sinks 13 to facilitate airflow and remove heat. The heat dissipation copper wires 14 in the ventilation channel are spirally wound around the heat sinks 13, which increases the contact area with the air and improves the heat dissipation effect.

[0024] like Figures 1 to 5 As shown, in a specific embodiment, a wind guide shroud 10 is fixedly connected to the tail of the drive motor 12, a fan motor 11 is fixedly installed inside the wind guide shroud 10, and a fan blade 9 is fixedly installed on the drive shaft of the fan motor 11.

[0025] In this design, the present invention uses a cooling fan and an air guide shroud 10. The air guide shroud 10 has a conical structure, with its larger end facing the cooling fan blades and its smaller end facing the motor housing and the heat dissipation mechanism. This allows the air blown out by the cooling fan to be directed more concentratedly to the parts that need heat dissipation.

[0026] like Figures 1 to 5 As shown, in a specific embodiment, several buckles 7 are fixedly installed around the opening at the other end of the housing 2, and a grid plate 5 is fixedly installed at the opening of the housing 2 through the buckles 7. Several ventilation holes 6 are opened on the plate body of the grid plate 5, and the ventilation holes 6 correspond to the fan blades 9. A filter screen 8 is fixedly installed on the inner side of the grid plate 5 through fixing bolts, and the filter screen 8 corresponds to the ventilation holes 6.

[0027] In this setup, the clip 7 is designed for easy disassembly, maintenance, and cleaning of internal dust. At the same time, a filter 8 is added to reduce the accumulation of dust inside the ventilation channel. This filter 8 can be removed, cleaned, or replaced by disassembling the grille plate 5.

[0028] like Figures 1 to 5 As shown, in a specific embodiment, the housing 2 has several ventilation louvers 3 at one end near the reduction gearbox 4, and the ventilation louvers 3 correspond to the internal heat dissipation fins 13 and heat dissipation copper wires 14.

[0029] In this configuration, one end of the housing 2 is provided with a ventilation louver 3 to facilitate the discharge of internal hot airflow to the outside of the housing 2 for auxiliary heat dissipation.

[0030] The implementation principle of an electric hoist with heat dissipation-friendly design in this embodiment is as follows:

[0031] The utility model discloses a heat dissipation fan, air baffle 10, air baffle 10 is conical structure, and its wide end is toward the heat dissipation fan blade, and the small end is toward the motor shell and heat dissipation mechanism, like this can make the wind that heat dissipation fan blows more concentratedly guide the part that needs heat dissipation, heat dissipation fin 13 annular array distribution is on drive motor 12 shell, and forms the ventilation gap between adjacent heat dissipation fin 13, and the air circulation carries away heat conveniently, the heat dissipation copper wire 14 in ventilation channel is spiral and is threaded and is wound on heat dissipation fin 13, has increased the contact area with air, has improved the heat dissipation effect, wherein the buckle 7 design is convenient for dismounting maintenance and carries out the cleaning to inside dust, increases filter screen 8 simultaneously, reduces the accumulation of inside dust in ventilation channel, this filter screen 8 can pass through the dismounting lattice board 5, carries out the dismounting cleaning or replacement, and one end of shell body 2 is provided with ventilation louvre 3, and the internal hot air flow is convenient for discharging shell body 2 outside auxiliary heat dissipation.

Claims

1. An electric hoist facilitating heat dissipation, comprising an electric hoist body (1) and a shell (2), characterized in that: The inside of the shell (2) is fixedly provided with a driving motor (12), and the periphery of the driving motor (12) is provided with a heat dissipation mechanism, which comprises a plurality of heat dissipation fins (13) fixedly connected to the outer surface of the shell of the driving motor (12), and the heat dissipation fins (13) are provided with heat dissipation copper wires (14) penetrating through and fixedly sleeving the heat dissipation fins (13).

2. The electric hoist according to claim 1, wherein, One end of the shell (2) is fixedly connected with a reduction gear box (4) fixedly installed in the inside of the electric hoist body (1), and the input shaft in the reduction gear box (4) corresponds to and is fixedly connected with the transmission shaft of the driving motor (12).

3. The electric hoist according to claim 2, wherein, The tail of the driving motor (12) is fixedly connected with a wind deflector (10), the inside of the wind deflector (10) is fixedly provided with a fan motor (11), and the transmission shaft of the fan motor (11) is fixedly provided with a fan blade (9).

4. The electric hoist according to claim 2, wherein, The other end of the shell (2) is fixedly provided with a plurality of buckles (7) at the opening, and the shell (2) is fixedly provided with a grille plate (5) at the opening through the buckles (7), the plate body of the grille plate (5) is provided with a plurality of ventilation holes (6) corresponding to the fan blade (9).

5. The electric hoist according to claim 4, wherein The inside of the grille plate (5) is fixedly provided with a filter screen (8) through fixed bolts, and the filter screen (8) corresponds to the ventilation hole (6).

6. The electric hoist according to claim 4, wherein, The end of the shell (2) close to the reduction gear box (4) is provided with a plurality of ventilation louvers (3) corresponding to the internal heat dissipation fins (13) and the heat dissipation copper wires (14).

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