CN215666826U

CN215666826U - Electric hoist

Info

Publication number: CN215666826U
Application number: CN202121864529.XU
Authority: CN
Inventors: 黄劲超; 甘伟贤; 梅逢意; 苏昊; 董江巍; 陈东柏
Original assignee: Guangdong Bosheng Building Technology Co ltd; Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bosheng Building Technology Co ltd; Guangdong Bozhilin Robot Co Ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-28
Anticipated expiration: 2031-08-10

Abstract

The embodiment of the application provides an electric block, including main engine shell and driving chain. The main machine shell is provided with a chain passing hole which is communicated with the inner space of the main machine shell; the transmission chain moves through the chain passing hole, and part of the transmission chain is arranged in the main machine shell; be equipped with the cleaning brush on the mainframe shell, the cleaning brush is located the edge in chain hole, and the cleaning brush extrudees with the driving chain mutually, and cleaning brush and driving chain looks mutual friction. Foretell electric block, the cleaning brush can be given the brush with the foreign matter on the driving chain, prevent that the foreign matter from getting into the inner space of crossing chain hole and mainframe shell along with the driving chain, and the cleaning brush is hugging closely with the driving chain, consequently avoided leading to some foreign matters not being brushed because of the space is big, and the cleaning brush can be clean with dust or moisture etc. on the driving chain again, avoid causing wearing and tearing to the driving chain, and avoid the driving chain to rust, the driving chain has been protected betterly, furthermore, dustproof dust removal's cost is lower.

Description

Electric hoist

Technical Field

The application relates to the technical field of electric hoists, in particular to an electric hoist.

Background

At present, the existing electric chain hoist on the market, particularly the low-speed electric chain hoist for climbing a frame, only has one protective cover as a protective measure, and because the inner ring of the chain between the protective cover and the chain is provided with a gap and cannot be completely protected, foreign matters can be brought into an internal transmission part along the inner ring of the chain. Therefore, the protective cover cannot take good protection measures for the chain, the chain is easy to rust, and the service life of the chain is greatly shortened. Secondly, the chain is easy to stick dust which has abrasive performance to the chain. The existing similar electric hoist dustproof device is complex to install, high in manufacturing cost, poor in utilization rate and free of chain maintenance function.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide an electric block for solve current dustproof dust removal mode inefficiency of chain electric block and problem with high costs.

The embodiment of the application provides an electric block, includes:

the main machine shell is provided with a chain passing hole, and the chain passing hole is communicated with the inner space of the main machine shell;

the transmission chain moves through the chain passing hole, and part of the transmission chain is arranged inside the main machine shell; the cleaning brush is arranged on the main case and located at the edge of the chain passing hole, the cleaning brush is extruded with the transmission chain, and the cleaning brush and the transmission chain rub against each other.

Foretell electric block, the chain hole of crossing of host computer shell is passed in the drive chain motion, the edge of crossing the chain hole has set up the cleaning brush, the cleaning brush extrudees with the drive chain mutually, cleaning brush and drive chain are hugging closely promptly, when the drive chain motion, cleaning brush and drive chain looks friction like this, the cleaning brush can give the brush with the foreign matter on the drive chain and fall, prevent that the foreign matter from getting into the inner space of chain hole and host computer shell along with the drive chain, and cleaning brush and drive chain are hugging closely, consequently, avoided leading to some foreign matters not being brushed because of the space is big, in addition the cleaning brush can be clean with dust or moisture etc. on the drive chain, avoid causing wearing and tearing to the drive chain, and avoid the drive chain to rust, the drive chain has been protected betterly, furthermore, dustproof cost is lower.

In one embodiment, the cleaning brush comprises a fixing part and a bristle part, the fixing part is arranged at the edge of the chain passing hole, one end of the bristle part is connected with the fixing part, and the bristle part is extruded with the driving chain and rubs against each other.

In one embodiment, the bristle part encloses the chain through hole, and the driving chain passes through the bristle part and enters the chain through hole.

In one embodiment, the edge of the chain passing hole is provided with a plurality of cleaning brushes, the plurality of cleaning brushes comprises two opposite cleaning brushes, two fixing parts of the two opposite cleaning brushes are oppositely arranged, the two corresponding bristle parts are oppositely arranged, and the transmission chain is located in the middle between the two bristle parts.

In one embodiment, two of the bristle parts of two of the opposing cleaning brushes at least partially overlap.

In one embodiment, the fixing portion is disposed at an inner edge of the orifice of the zipper hole.

In one embodiment, along the moving direction of the transmission chain, the inner wall of the chain passing hole is provided with a plurality of cleaning brushes, and a plurality of fixing parts of the cleaning brushes are distributed at intervals along the moving direction of the transmission chain.

In one embodiment, the width of the chain passing hole is matched with the width of the transmission chain.

In one embodiment, the electric hoist further comprises a driving mechanism and a transmission mechanism, the transmission mechanism is arranged in the inner space of the main case and is in chain transmission connection with the transmission chain, and at least part of the driving mechanism is arranged in the inner space of the main case and is in driving connection with the transmission mechanism.

In one embodiment, the electric hoist further comprises an oil receiving pan, the oil receiving pan is arranged in the inner space of the main case, the transmission chain penetrates through the oil receiving pan, and the oil receiving pan is used for oiling the transmission chain.

Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an electric hoist according to an embodiment of the present application;

fig. 2 is a partially enlarged schematic view of a portion a of the electric block shown in fig. 1;

fig. 3 is a schematic cross-sectional view of an electric block according to an embodiment of the present disclosure.

Description of the drawings the reference numerals indicate:

an electric hoist 10; a main chassis 100; a chain passing hole 101; a drive chain 200; a cleaning brush 300; a fixed portion 310; a bristle part 320; a drive mechanism 400; a transmission mechanism 500; a driven mechanism 600; an oil receiving pan 700.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

In one embodiment, an electric hoist includes a main housing and a drive chain. The main machine shell is provided with a chain passing hole, and the chain passing hole is communicated with the inner space of the main machine shell; the transmission chain moves through the chain passing hole, and part of the transmission chain is arranged inside the main machine shell; the cleaning brush is arranged on the main case and located at the edge of the chain passing hole, the cleaning brush is extruded with the transmission chain, and the cleaning brush and the transmission chain rub against each other.

As shown in fig. 1 to 3, an electric hoist 10 of an embodiment includes a main housing 100 and a transmission chain 200. The main case 100 is provided with a chain passing hole 101, and the chain passing hole 101 is communicated with the inner space of the main case 100. The transmission chain 200 moves through the chain through hole 101, and a portion of the transmission chain 200 is disposed inside the main chassis 100. The main chassis 100 is provided with a cleaning brush 300, the cleaning brush 300 is located at the edge of the chain passing hole 101, the cleaning brush 300 is extruded with the transmission chain 200, and the cleaning brush 300 and the transmission chain 200 rub against each other. In the present embodiment, the cleaning brush 300 and the driving chain 200 rub against each other along the moving direction of the driving chain 200. In this embodiment, the cleaning brush 300 extends toward the chain passing hole 101. In one embodiment, the main chassis 100 is a sheet metal formed structure.

In the electric hoist 10, the transmission chain 200 moves through the chain passing hole 101 of the main housing 100, the cleaning brush 300 is disposed at the edge of the chain passing hole 101, the cleaning brush 300 is pressed against the transmission chain 200, that is, the cleaning brush 300 and the transmission chain 200 are tightly attached, so that when the transmission chain 200 moves, the cleaning brush 300 and the transmission chain 200 rub against each other, the cleaning brush 300 can brush away foreign matters on the transmission chain 200, prevent the foreign matters from entering the chain passing hole 101 and the internal space of the main housing 100 along with the transmission chain 200, and the cleaning brush 300 and the transmission chain 200 are tightly attached, thereby preventing some foreign matters from being unwashed due to large gaps, and the cleaning brush 300 can clean up dust or moisture and the like on the transmission chain 200, thereby preventing the transmission chain 200 from being worn, preventing the transmission chain 200 from rusting, better protecting the transmission chain 200, and further preventing dust and removing cost from being low.

To facilitate the arrangement of the cleaning brush 300, in one embodiment, as shown in fig. 2, the cleaning brush 300 includes a fixing portion 310 and a bristle portion 320, the fixing portion 310 is disposed at an edge of the chain passing hole 101, one end of the bristle portion 320 is connected to the fixing portion 310, the bristle portion 320 is pressed against and rubbed with the driving chain 200, in this embodiment, the bristle portion 320 extends toward the chain passing hole 101, the bristle portion 320 is disposed at the edge of the chain passing hole 101 through the fixing portion 310, and the bristle portion 320 extends toward the chain passing hole 101. In this embodiment, the bristle portion 320 is closely attached to the driving chain 200.

In order to improve the dustproof effect of the cleaning brush 300, in one embodiment, as shown in fig. 1 and 2, the bristle part 320 seals the chain through hole 101, the driving chain 200 penetrates through the bristle part 320 and enters the chain through hole 101, so that the bristle part 320 seals the chain through hole 101 and prevents foreign matters from entering the chain through hole 101, the driving chain 200 keeps squeezing and breaking the bristle part 320, and the bristle part 320 plays a role in dust prevention and dust removal.

In order to improve the cleaning effect on the transmission chain 200, in one embodiment, as shown in fig. 1 and fig. 2, a plurality of cleaning brushes 300 are disposed at the edge of the chain passing hole 101, the plurality of cleaning brushes 300 include two opposite cleaning brushes 300, two fixing portions 310 of the two opposite cleaning brushes 300 are disposed oppositely, and two corresponding bristle portions 320 are disposed oppositely, the transmission chain 200 is located at a middle position between the two bristle portions 320, so that the bristle portions 320 are disposed on two opposite sides of the transmission chain 200 for squeezing and rubbing, and the transmission chain 200 can be cleaned more comprehensively.

In order to improve the sealing effect of the bristle parts 320 on the through-link hole 101 and the cleaning effect on the transmission chain 200, in one embodiment, as shown in fig. 2, two bristle parts 320 of two opposite cleaning brushes 300 are at least partially overlapped, so that the two bristle parts 320 are overlapped, and the through-link hole 101 is completely sealed, while when the transmission chain 200 moves, the two bristle parts 320 have overlapped parts, so that the bristle parts 320 have more pressing friction parts with the transmission chain 200, and the cleaning effect on the transmission chain 200 is better.

In one embodiment, the fixing portion 310 is disposed at an inner edge of the aperture of the chain passing hole 101, so that the cleaning brush 300 is disposed in the chain passing hole 101, which not only improves the cleaning effect on the transmission chain 200, but also makes the electric hoist 10 compact.

In order to further enhance the cleaning effect on the transmission chain 200, in one embodiment, a plurality of cleaning brushes 300 are arranged on the inner wall of the chain through hole 101 along the moving direction of the transmission chain 200, and a plurality of fixing portions 310 of the plurality of cleaning brushes 300 are spaced along the moving direction of the transmission chain 200, so that a plurality of bristle portions 320 rub against the transmission chain 200 in the moving direction of the transmission chain 200, further enhancing the cleaning effect on the transmission chain 200.

In one embodiment, the width of the chain passing hole 101 is matched with the width of the driving chain 200, so that a large gap between the driving chain 200 and the inner wall of the chain passing hole 101 can be avoided, that is, the extension length of the bristle part 320 is small, and the bristle part 320 is prevented from being bent and folded too much when the driving chain 200 is pressed to affect the cleaning effect of the driving chain 200. In one embodiment, the bristle part 320 is a short brush. In one embodiment, the bristle portion 320 is a bristle brush. The bristle portion 320 thus has a high bending strength to ensure the cleaning of the drive chain 200. in this embodiment, the bristle brush is made of a non-metallic material, and therefore does not wear the drive chain 200.

In order to control the movement of the transmission chain 200, in one embodiment, as shown in fig. 1 and fig. 3, the electric hoist 10 further includes a driving mechanism 400 and a transmission mechanism 500, the transmission mechanism 500 is disposed in the inner space of the main housing 100 and is in transmission connection with the transmission chain 200, at least a portion of the driving mechanism 400 is disposed in the inner space of the main housing 100 and is in transmission connection with the transmission mechanism 500, the transmission mechanism 500 is driven by the driving mechanism 400, so that the transmission mechanism 500 drives the transmission chain 200 to move, and the movement speed of the transmission chain 200 can be controlled. In one embodiment, the transmission mechanism 500 includes a driving wheel, the driving mechanism 400 includes a driving motor, the driving motor is in driving connection with the driving wheel and is used for driving the driving wheel to rotate, and the transmission chain 200 is wound around the driving wheel. In one embodiment, as shown in fig. 3, the electric hoist 10 further includes a driven mechanism 600, and the transmission mechanism 600 is disposed in the inner space of the main housing 100 and is in transmission connection with the transmission chain 200, so that the transmission chain 200 can change direction around the inner space of the main housing 100 for multiple times. In one embodiment, the driven mechanism 600 includes a driven wheel, and the transmission chain 200 is wound around the driven wheel.

In order to maintain the transmission chain 200, in one embodiment, as shown in fig. 3, the electric hoist 10 further includes an oil receiving pan 700, the oil receiving pan 700 is disposed in the inner space of the main housing 100, the transmission chain 200 passes through the oil receiving pan 700, and the oil receiving pan 700 is used for oiling the transmission chain 200, so that the transmission chain 200 can be cleaned and oiled by the oil receiving pan 700 when the transmission chain 200 passes through the oil receiving pan 700, which is beneficial to preventing the transmission chain 200 from rusting or being worn, and improving the service life of the transmission chain 200.

In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.

In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An electric hoist characterized by comprising:

2. The electric hoist as claimed in claim 1, wherein the cleaning brush includes a fixing portion provided at an edge of the chain passing hole and a brush portion having one end connected to the fixing portion, the brush portion being pressed against and rubbed with the driving chain.

3. The electric hoist as claimed in claim 2, wherein the brush portion encloses the chain through hole, and the driving chain passes through the brush portion and enters the chain through hole.

4. The electric hoist as claimed in claim 3, wherein the edge of the chain passing hole is provided with a plurality of the cleaning brushes including two opposite cleaning brushes, two fixing portions of the two opposite cleaning brushes are oppositely disposed, and corresponding two bristle portions are oppositely disposed, and the transmission chain is located at an intermediate position between the two bristle portions.

5. Electric hoist according to claim 4, characterized in that the two bristle parts of two opposite cleaning brushes at least partly overlap.

6. The electric block of claim 2 or 4, wherein the fixing portion is provided at an inner edge of the orifice of the chain passing hole.

7. The electric hoist as claimed in claim 6, wherein a plurality of cleaning brushes are disposed on an inner wall of the chain passing hole along a moving direction of the driving chain, and a plurality of fixing portions of the plurality of cleaning brushes are spaced apart along the moving direction of the driving chain.

8. The electric block of claim 4, wherein the width of the chain passing hole is adapted to the width of the transmission chain.

9. The electric hoist as claimed in claim 1, further comprising a driving mechanism and a transmission mechanism, wherein the transmission mechanism is disposed in the inner space of the main housing and is in chain transmission connection with the transmission chain, and at least a part of the driving mechanism is disposed in the inner space of the main housing and is in driving connection with the transmission mechanism.

10. The electric hoist as claimed in claim 1, further comprising an oil receiving pan provided in an inner space of the main housing, the transmission chain passing through the oil receiving pan, the oil receiving pan serving to oil the transmission chain.