CN219950334U

CN219950334U - Electric hoist

Info

Publication number: CN219950334U
Application number: CN202321562799.4U
Authority: CN
Inventors: 陈世林; 赵鹏程
Original assignee: Yunnan Tat Lifting Machinery Co ltd
Current assignee: Yunnan Tat Lifting Machinery Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-11-03
Anticipated expiration: 2033-06-19

Abstract

The utility model discloses an electric hoist, which comprises a motor and a transmission mechanism, wherein the motor is in transmission connection with the transmission mechanism, and the electric hoist further comprises: the protective shell is detachably connected with the transmission mechanism and is provided with a cavity for accommodating the motor, the protective shell comprises an end part, the end part is provided with a structure which is matched with a designated surface, and the designated surface is the surface of the transmission mechanism, which is close to one side of the motor; the auxiliary component is provided with a ring structure, one end of the auxiliary component is provided with a structure which is matched with the appointed surface, the other end of the auxiliary component is fixedly connected with the protective shell, and when the end part is matched with the appointed surface, the auxiliary component, the protective shell and the appointed surface form a sealing space together; the protective housing is provided with the pressurization passageway, pressurization passageway and sealed space intercommunication. The electric hoist provided by the utility model has the effect of improving the waterproof performance of the electric hoist.

Description

Electric hoist

Technical Field

The utility model relates to the technical field of lifting devices, in particular to an electric hoist.

Background

The electric hoist is a special hoisting device, and is generally composed of a motor, a transmission mechanism, a winding drum, a cable, a lifting hook and the like, and is generally arranged on a crown block and a gantry crane. The electric hoist has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and the application field of the electric hoist is wider and wider.

However, most of the existing electric hoist does not have a waterproof function, and under a humid environment or in a project related to water, the condition that external water permeates into the electric hoist often occurs, so that the electric hoist cannot be normally used.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an electric hoist.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model comprises the following steps:

the utility model provides an electric block, includes motor and drive mechanism, the motor with drive mechanism transmission is connected, still includes:

the protective shell is detachably connected with the transmission mechanism and is provided with a cavity for accommodating the motor, the protective shell comprises an end part, the end part is provided with a structure which is matched with a designated surface on the transmission mechanism, and the designated surface is the surface of the transmission mechanism close to one side of the motor;

the auxiliary component is provided with a ring structure, one end of the auxiliary component is provided with a structure which is matched with the appointed surface, the other end of the auxiliary component is fixedly connected with the protective shell, and when the end part is attached to the appointed surface, the auxiliary component, the protective shell and the appointed surface form a sealing space together; the protective housing is provided with the pressurization passageway, pressurization passageway with sealed space intercommunication.

Preferably, the designated surface is provided with a mounting groove for receiving at least the end portion.

Preferably, the seal member is provided on the specified surface and is fitted to the end portion.

Preferably, the shielding component further comprises a shielding component, wherein the shielding component is provided with an annular surface structure, the shielding component comprises a first end and a second end which are oppositely arranged, and the shielding component gradually expands outwards along the direction that the first end points to the second end;

the first end of the shielding component is fixedly connected with the outer surface of the protective shell, and the second end is provided with a structure which is matched with the appointed surface;

when the end portion is fitted to the specified surface, the shielding member is abutted and fitted to the specified surface.

Preferably, the device further comprises a pressurizing mechanism, wherein the pressurizing mechanism is communicated with the pressurizing channel.

Preferably, the device further comprises a heat dissipation mechanism, and the heat dissipation mechanism is arranged on the outer surface of the protective shell.

Preferably, the heat dissipation mechanism has a shell structure, a water containing space is formed between the heat dissipation mechanism and the protective shell, and a water inlet and a water outlet are arranged on the heat dissipation mechanism.

Preferably, the heat dissipation mechanism has a planar structure.

Compared with the prior art, the utility model has the advantages that:

(1) The electric hoist provided by the utility model has the advantages of simple structure and convenience in maintenance;

(2) According to the electric hoist provided by the utility model, the end part and the auxiliary part are abutted against and attached to the appointed surface, compared with the condition that only the end part is connected with the appointed surface, external water can enter the protective shell only through the two sealing structures, so that the difficulty of the external water entering the protective shell can be improved, and the waterproof performance of the electric hoist is improved;

(3) According to the electric hoist provided by the utility model, the air can be filled into the sealed space through the pressurizing channel, so that the air pressure in the sealed space is larger than the external air pressure, and therefore, external water is not easy to enter the protective shell under the positive pressure condition, and the waterproof performance of the electric hoist is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is an overall schematic diagram of an electric hoist according to the present utility model;

FIG. 2 is a schematic diagram of an electric motor according to the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view of a mounting groove according to the present utility model;

FIG. 5 is a schematic illustration of an inflator according to the present utility model;

FIG. 6 is a schematic diagram of a heat dissipating shell according to the present utility model;

fig. 7 is a schematic left-hand view of the heat dissipating shell according to the present utility model.

Reference numerals:

11. a baffle; 12. a motor; 13. a transmission mechanism; 14. a reel; 15. a protective shell; 16. an end portion; 17. an auxiliary member; 18. sealing the space; 19. a pressurizing passage; 21. a shielding member; 22. a sealing member; 23. a mounting groove; 24. a pressurizing mechanism; 25. a heat dissipation shell; 26. a water containing space; 27. a water inlet; 28. a water outlet; 29. a heat sink.

Detailed Description

In view of the shortcomings in the prior art, the inventor of the present utility model has long studied and practiced in a large number of ways to propose the technical scheme of the present utility model. The technical scheme, implementation process and principle and the like will be further explained with reference to the attached drawings and specific embodiments.

It should be noted that the embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model, and the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model is intended to describe and explain the structural composition of the electric hoist and the coordination relation among the constituent structures, and unless otherwise indicated, the dimensions, materials, manufacturing process and the like of the constituent parts applicable to the electric hoist in the embodiment of the utility model can be selected according to specific situations, and are not particularly limited and described herein.

On the contrary, the utility model is intended to cover alternatives, modifications, equivalents and alternatives falling within the spirit, principle and scope of the utility model as defined by the appended claims. Further, in the following detailed description of the present utility model, certain specific details are set forth in order to provide a better understanding of the present utility model. The present utility model will be fully understood by those skilled in the art without the details described herein. Furthermore, when terminology is used in two-sided, outboard, up-down, etc., it is to be understood that this is for ease of understanding and description only, as it is contemplated that the structure may be oriented in other positions.

Example 1

Referring to fig. 1 and 2, an electric hoist comprises a baffle 11, a motor 12, a transmission mechanism 13 and a winding drum 14, wherein the motor 12 is fixedly arranged on the transmission mechanism 13, the motor 12 is in transmission connection with the transmission mechanism 13, and the surface of one side of the transmission mechanism 13, which is close to the motor 12, is a designated surface; the winding drum 14 is rotatably connected to the transmission mechanism 13, the winding drum 14 is in transmission connection with the transmission mechanism 13, and the baffle plate 11 is fixedly connected to the transmission mechanism 13 and is positioned above the motor 12.

Specifically, the transmission mechanism 13 is a speed reducer, the housing of the speed reducer includes a first surface and a second surface that are disposed opposite to each other, the motor 12 is fixedly connected to the first surface, that is, the first surface is a designated surface, and the winding drum 14 is disposed on the second surface. The spool 14 is rotatable under the drive of the motor 12.

Referring to fig. 2 and 3, an electric hoist further includes a protective housing 15, where the protective housing 15 is provided with a cavity for accommodating the motor 12, and the protective housing 15 is detachably connected with the transmission mechanism 13; the protective case 15 includes an end 16, and the end 16 has a structure that conforms to a prescribed surface, so that when the end 16 abuts against the prescribed surface, the end 16 can conform to the prescribed surface.

The electric hoist also comprises an auxiliary part 17, wherein the auxiliary part 17 is provided with a ring structure, one end of the auxiliary part 17 is provided with a structure which is matched with the appointed surface, the other end of the auxiliary part 17 is fixedly connected with the protective shell 15, and when the end 16 is adhered to the appointed surface, the auxiliary part 17, the protective shell 15 and the appointed surface form a sealed space 18 together; the protective shell 15 is provided with a pressurizing channel 19 which is connected with the sealing space 18, and the pressurizing channel 19 extends out of the protective shell 15.

Specifically, the protective housing 15 is provided with the cavity, and motor 12 is located the cavity, and the protective housing 15 can be dismantled with first face and be connected. Further specifically, the protective shell 15 may be connected to the first face by a threaded connection.

Specifically, the pressurizing channel 19 is a pressurizing pipe, which is fixedly connected to the protecting shell 15, and is communicated with the sealed space 18, and the pressurizing pipe penetrates through the protecting shell 15 and extends out of the protecting shell 15.

Specifically, the end portion 16 has a structure capable of conforming to the first surface; the auxiliary member 17 is specifically an auxiliary ring, one end of which is connected to the inner wall of the protective case 15, and the other end of which has a structure capable of adhering to the first surface. When the end 16 abuts and abuts the first face, the auxiliary ring abuts the first face such that a sealed space 18 is formed between the end 16, the first face, and the auxiliary ring.

The end part 16 and the auxiliary ring are abutted against and attached to the first surface, so that external water can reach the inside of the protective shell 15 only through the two sealing structures, the difficulty of the external water entering the protective shell 15 can be improved, and the waterproof performance of the electric hoist can be improved; meanwhile, the air can be filled into the sealed space 18 through the pressurizing pipe, so that the air pressure in the sealed space 18 is larger than the external air pressure, and therefore, under the positive pressure condition, external water is not easy to enter the protective shell 15, and the waterproof performance of the electric hoist is improved.

The electric hoist further comprises a shielding component 21, the shielding component 21 is provided with an annular surface structure, the shielding component 21 comprises a first end and a second end, the first end and the second end are oppositely arranged, the shielding component 21 gradually expands outwards along the direction that the first end points to the second end, the first end is fixedly connected with the outer surface of the protective shell 15, and the second end is provided with a structure which is matched with the appointed surface. When the end portion 16 is fitted to the specified surface, the shielding member 21 is abutted and fitted to the specified surface.

Specifically, the shielding member 21 is a shielding ring, and the shielding ring has an annular surface, and includes a first end and a second end that are disposed opposite to each other, where the first end is connected to the outer wall of the protective case 15, and the second end has an external shape that matches the first surface, and the diameter of the second end is larger than that of the first end.

When tip 16 butt and laminating first face, the second end butt and laminating first face to under the guiding action of the face structure of shielding ring, the hydroenergy that gathers on first face and flow to tip 16 flows along the face of shielding ring and is guided and leave tip 16, is favorable to reducing external rivers to tip 16, reduces external rivers and permeates inside protective housing 15 from tip 16, thereby is favorable to improving electric block's waterproof performance.

The electric block further includes a sealing member 22, the sealing member 22 being disposed on a designated surface and matching the profile of the end 16.

Specifically, the sealing member 22 is a sealing ring that is positioned between the end 16 and the first face, and that matches the profile of the end 16. The sealing ring can improve the gas tightness between tip 16 and the first face to be favorable to improving the inside degree of difficulty of external water entering protective housing 15, be favorable to improving electric block's waterproof performance. Further in particular, the seal ring has elasticity, which may allow the seal ring to better conform to the end 16, the first face.

Preferably, sealing rings are arranged between the shielding ring and the first surface and between the auxiliary ring and the first surface.

Referring to fig. 2, an electric hoist further includes a heat dissipation mechanism disposed on an outer surface of the protective housing 15.

Preferably, the heat dissipation mechanism has a planar structure.

Specifically, the heat dissipation mechanism is a heat dissipation plate 29, and the heat dissipation plate 29 is fixedly connected to the outer surface of the protective shell 15. The heat sink 29 has a large surface area, which is advantageous for the protective case 15 to radiate heat outward.

Example 2

Referring to fig. 4, the difference between the present embodiment and embodiment 1 is that: the designated surface is provided with a mounting groove 23, the mounting groove 23 being at least for receiving the end 16.

Specifically, the mounting groove 23 matches the profile of the end portion 16, and a seal ring is disposed within the mounting groove 23, with the end portion 16 extending into the mounting groove 23 and abutting the seal ring. When external water permeates into the protective shell 15 from the end 16, a longer path needs to travel along the inner wall of the mounting groove 23, so that external water is more difficult to permeate into the protective shell 15, and external water is reduced from permeating into the protective shell 15 from the end 16, thereby being beneficial to improving the waterproof performance of the electric hoist.

Preferably, the first surface is further provided with a mounting groove 23 for accommodating the shielding ring and the auxiliary ring, a sealing ring is arranged in the mounting groove 23, the shielding ring and the auxiliary ring extend into the corresponding mounting groove 23 and are abutted against the corresponding sealing ring, so that the positioning of the protective shell 15 during mounting is facilitated, the sealing performance between the shielding ring, the auxiliary ring and the first surface is improved, and the waterproof performance of the electric hoist is improved.

Example 3

Referring to fig. 5, the difference between the present embodiment and embodiment 1 is that: the electric hoist further includes a pressurizing mechanism 24, the pressurizing mechanism 24 being in communication with the pressurizing passage 19.

Specifically, the pressurizing mechanism 24 is an air pump, which is mounted on the baffle 11 and communicates with the pressurizing pipe. Air can be pumped into the sealed space 18 by an air pump so that the air pressure in the sealed space is greater than the ambient air pressure, thereby reducing the infiltration of ambient water into the protective housing 15 from the end 16.

Example 4

Referring to fig. 6 and 7, the difference between the present embodiment and embodiment 1 is that: the heat dissipation mechanism has a shell structure, the heat dissipation mechanism and the protective shell 15 form a water containing space 26, the heat dissipation mechanism is provided with a water inlet 27 and a water outlet 28, and the water inlet 27 and the water outlet 28 are communicated with the water containing space 26.

Specifically, the heat dissipation mechanism is a heat dissipation shell 25, and the heat dissipation shell 25 is fixedly connected to the surface of the protection shell 15. And forms a water containing space 26 with the protective shell 15, and a water inlet 27 and a water outlet 28 are arranged on the heat dissipation shell 25. The water inlet 27 fills the water containing space 26, and the water in the water containing space 26 finally flows out from the water outlet 28, so that the flowing water can dissipate heat for the protective shell 15.

It should be understood that the foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to practice it accordingly, it should not be construed that the present utility model is limited to the embodiments, and that several simple deductions or substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and equivalent changes or modifications according to the spirit of the present utility model shall be covered in the scope of the present utility model.

Claims

1. The utility model provides an electric block, includes motor (12) and drive mechanism (13), motor (12) with drive mechanism (13) transmission connection, its characterized in that still includes:

a protective shell (15), wherein the protective shell (15) is detachably connected with the transmission mechanism (13), the protective shell (15) is provided with a cavity for accommodating the motor (12), the protective shell (15) comprises an end part (16), the end part (16) has a structure matched with a designated surface, and the designated surface is the surface of the transmission mechanism (13) close to one side of the motor (12);

the auxiliary component (17) is provided with a ring structure, one end of the auxiliary component (17) is provided with a structure which is matched with the appointed surface, the other end of the auxiliary component (17) is fixedly connected with the protective shell (15), and when the end part (16) is attached to the appointed surface, the auxiliary component (17), the protective shell (15) and the appointed surface form a sealing space (18); the protective shell (15) is provided with a pressurizing channel (19), and the pressurizing channel (19) is communicated with the sealing space (18).

2. The electric block of claim 1, wherein: the designated surface is provided with a mounting groove (23), the mounting groove (23) being at least for receiving the end portion (16).

3. The electric block of claim 1, wherein: also included is a sealing member (22), the sealing member (22) being disposed on the designated surface and conforming to the end (16).

4. The electric block of claim 1, wherein: the shielding component (21) is provided with an annular surface structure, the shielding component (21) comprises a first end and a second end which are oppositely arranged, and the shielding component (21) gradually expands outwards along the direction of the first end pointing to the second end;

the first end of the shielding component (21) is fixedly connected with the outer surface of the protective shell (15), and the second end is provided with a structure which is matched with the appointed surface;

when the end portion (16) is attached to the specified surface, the shielding member (21) is abutted against and attached to the specified surface.

5. The electric block of claim 1, wherein: further comprising a pressurizing mechanism (24), said pressurizing mechanism (24) being in communication with said pressurizing channel (19).

6. The electric block of claim 1, wherein: the novel protective shell is characterized by further comprising a heat dissipation mechanism, wherein the heat dissipation mechanism is arranged on the outer surface of the protective shell (15).

7. The electric block of claim 6, wherein: the heat dissipation mechanism is provided with a shell structure, a water containing space (26) is formed between the heat dissipation mechanism and the protective shell (15), and a water inlet (27) and a water outlet (28) are arranged on the heat dissipation mechanism.

8. The electric block of claim 6, wherein: the heat dissipation mechanism has a face structure.