CN215160555U

CN215160555U - Hoisting machine

Info

Publication number: CN215160555U
Application number: CN202121215917.5U
Authority: CN
Inventors: 唐嘉华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-14
Anticipated expiration: 2031-05-31

Abstract

The utility model belongs to the technical field of traction equipment, in particular to a winch, which comprises a base, wherein two vertical and upward extending supporting plates are symmetrically arranged on the base, a roller for accommodating a traction rope is rotatably connected between the supporting plates, a driving device for driving the roller to axially rotate is arranged on the base, and a protection mechanism for preventing the roller from reversely rotating is arranged on the outer side surface of any one supporting plate; the utility model discloses the product is effectual prevents that the cylinder from reversing or reversing to avoid towed product or equipment harm, also avoid causing harm to the people.

Description

Hoisting machine

Technical Field

The utility model belongs to the technical field of the pulling equipment, especially, relate to the hoist engine.

Background

In the process of using horizontal movement or height lifting of a winch traction device, when a traction rope is broken or equipment fails, the winch is easy to rotate reversely, so that the equipment is damaged, and safety of workers is endangered.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and provide the hoist engine.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the winch comprises a base, wherein two vertical supporting plates extending upwards are symmetrically arranged on the base, a roller used for accommodating a traction rope is rotatably connected between the supporting plates, a driving device used for driving the roller to axially rotate is arranged on the base, and a protection mechanism used for preventing the roller from reversely rotating is arranged on the outer side surface of each supporting plate.

Further, the protection mechanism comprises a support seat, the support seat is arranged on the outer side surface of any one of the support plates, a first cavity and a second cavity are arranged in the support seat along the length direction, one end of the first cavity is communicated with one end surface of the support seat, the other end of the first cavity is communicated with one end of the second cavity, the other end of the second cavity is communicated with the other end surface of the support seat opposite to the other end surface, the first cavity and the second cavity are coaxially arranged, the inner diameter of the first cavity is larger than that of the second cavity, the first cavity is arranged close to the support plate, a fixed shaft penetrates through the first cavity and the second cavity and extends outwards, an annular boss is arranged on the fixed shaft and is positioned in the first cavity, and the outer diameter of the annular boss is larger than that of the second cavity and smaller than that of the first cavity, the fixed shaft is sleeved with a spring, the spring is located between the annular boss and the inner bottom surface of the first cavity, a through hole communicated with the first cavity is formed in the supporting plate, through holes are distributed in one side of the roller along the circumferential direction, the end portion of the fixed shaft penetrates through the through hole and extends into the through hole, an inclined surface is arranged at the end portion of the fixed shaft, the inclined surface portion is located in the through hole, and the inclined surface faces towards the top surface portion or the bottom surface portion of the through hole.

Furthermore, notches communicated with the second cavity are formed in two side faces of the supporting seat, a bolt extends along the radial direction at the position opposite to the fixed shaft, and the bolt is matched with the notches.

Furthermore, a holding part is arranged at the end part of the fixed shaft close to the second cavity.

Further, the driving device comprises a servo motor, and the servo motor is in transmission connection with the roller through a transmission chain.

The utility model has the advantages that: when the utility model is used, the bolt is arranged in the notch, the inclined plane of the fixed shaft is inserted into the through hole, the inclined plane is arranged upwards, the inner wall of the through hole is abutted against the inclined plane when the roller rotates towards the direction of the inclined plane, so that the spring is compressed, the fixed shaft leaves the through hole, when the roller rotates to the position that the through hole is positioned at the end part of the fixed shaft, the inclined surface partially extends into the through hole, the circulation is repeated, at the moment, the roller cannot rotate reversely, thereby preventing the roller from reversing and avoiding accidents, if the roller needs to be reversed, the servo motor is started to rotate reversely and the fixed shaft is rotated 180 degrees at the same time, the inclined surface is arranged downwards, move out the notch with the bolt and the butt is on the side of supporting seat when not needing to use, consequently the utility model discloses the product is effectual prevents that the cylinder from reversing or reversing to avoid towed product or equipment harm, also avoid causing harm to the people.

Drawings

FIG. 1 is a schematic view of the product structure of the present invention;

FIG. 2 is a schematic view of a structure of a pin and a notch;

FIG. 3 is a schematic view of a supporting seat;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a side view of FIG. 3;

FIG. 6 is a cross-sectional view of FIG. 3;

FIG. 7 is a perforation distribution map;

FIG. 8 is another schematic view of a pin and a slot.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a base, 2, a supporting plate, 3, a roller, 4, a supporting seat, 5, a first cavity, 6, a second cavity, 7, a fixed shaft, 8, an annular boss, 9, a spring, 10, a through hole, 11, a through hole, 12, an inclined surface, 13, a notch, 14, a bolt, 15, a holding part, 16 and a servo motor.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, 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 partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

The winch comprises a base 1, wherein two vertical supporting plates 2 extending upwards are symmetrically arranged on the base 1, the supporting plates 2 are connected to the base 1 through welding or screws, a roller 3 used for accommodating a traction rope is rotatably connected between the supporting plates 2, rotating shafts are arranged at two ends of the roller 3 and rotatably connected with the supporting plates 2 through bearings, a driving device used for driving the roller 3 to axially rotate is arranged on the base 1, and a protection mechanism used for preventing the roller 3 from reversely rotating is arranged on the outer side face of each supporting plate 2.

As shown in fig. 2-7, the protection mechanism includes a support seat 4, the support seat 4 is disposed on an outer side surface of any one of the support plates 2, the support seat 4 is connected to the support plate 2 by welding or screws, a first cavity 5 and a second cavity 6 are disposed in the support seat 4 along a length direction, cross sections of the first cavity 5 and the second cavity 6 perpendicular to an axial direction are circular, one end of the first cavity 5 is communicated with one end surface of the support seat 4, the other end of the first cavity 5 is communicated with one end of the second cavity 6, the other end of the second cavity 6 is communicated with the other end surface of the support seat 4 opposite to the first cavity, the first cavity 5 and the second cavity 6 are coaxially disposed, an inner diameter of the first cavity 5 is larger than an inner diameter of the second cavity 6, the first cavity 5 is disposed close to the support plate 2, a fixing shaft 7 penetrates through the first cavity 5 and the second cavity 6 and extends outward, the improved roller bearing is characterized in that an annular boss 8 is arranged on the fixing shaft 7, the annular boss 8 is located in the first cavity 5, the outer diameter of the annular boss 8 is larger than the inner diameter of the second cavity 6 and smaller than the inner diameter of the first cavity 5, a spring 9 is sleeved on the fixing shaft 7, the spring 9 is located between the annular boss 8 and the inner bottom surface of the first cavity 5, a through hole 10 communicated with the first cavity 5 is formed in the supporting plate 2, the outer diameter of the annular boss 8 is larger than the inner diameter of the through hole 10, a through hole 11 is distributed on one side of the roller 3 along the circumferential direction, the end portion of the fixing shaft 7 penetrates through the through hole 10 and extends into the through hole 11, an inclined surface 12 is arranged at the end portion of the fixing shaft 7, the inclined surface 12 is located in the through hole 11, and the inclined surface 12 faces the top surface portion or the bottom surface portion of the through hole 11.

Two side surfaces of the supporting seat 4 are provided with notches 13 communicated with the second cavity 6, a bolt 14 is arranged at the position opposite to the fixed shaft 7 in an extending mode along the radial direction, the bolt 14 is matched with the notches 13, and a holding portion 15 is arranged at the end portion, close to the second cavity 6, of the fixed shaft 7.

The driving device comprises a servo motor 16, the servo motor 16 is in transmission connection with the roller 3 through a transmission chain, a motor on the market such as a horizontal three-phase asynchronous motor can be selected optionally according to requirements, and the driving device further comprises a speed reducer, the speed reducer is in transmission connection with the servo motor, and the speed reducer is in transmission connection with the roller 3.

When the utility model is used, the bolt is arranged in the notch as shown in figure 2, the inclined plane of the fixed shaft is inserted into the through hole, the inclined plane is upwards arranged, the inner wall of the through hole is abutted against the inclined plane when the roller rotates towards the inclined plane, thereby compressing the spring, the fixed shaft leaves the through hole, when the roller rotates to the position where the through hole is positioned at the end part of the fixed shaft, the inclined plane partially extends into the through hole, the roller can not reversely rotate, thereby preventing the roller from reversing, avoiding the occurrence of accidents, when the roller needs to be reversely rotated, the servo motor is started to reversely rotate, the fixed shaft is rotated 180 degrees at the same time, the inclined plane is downwards arranged, when the roller does not need to be used, the bolt is moved out of the notch and abutted against the side surface of the supporting seat as shown in figure 8, therefore, the utility model effectively prevents the roller from reversing or reversing, thereby avoiding the damage of the towed product or equipment, and also avoids harm to people.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, the term "plurality" means at least two, e.g., two, three, etc., unless explicitly limited otherwise.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Furthermore, in this application, the terms "mounted", "disposed", "provided", "connected", and "connected", if any, are referred to,

"connected," "connected," and the like 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 an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in 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.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The winch is characterized by comprising a base (1), wherein two vertical supporting plates (2) extending upwards are symmetrically arranged on the base (1), a roller (3) used for accommodating a traction rope is rotatably connected between the supporting plates (2), a driving device used for driving the roller (3) to rotate axially is arranged on the base (1), and a protection mechanism used for preventing the roller (3) from rotating reversely is arranged on the outer side face of the supporting plate (2).

2. The hoisting machine according to claim 1, wherein the protection mechanism comprises a support base (4), the support base (4) is disposed on an outer side surface of any one of the support plates (2), a first cavity (5) and a second cavity (6) are disposed in the support base (4) along a length direction, one end of the first cavity (5) is communicated with one end surface of the support base (4), the other end of the first cavity (5) is communicated with one end of the second cavity (6), the other end of the second cavity (6) is communicated with the other end surface of the support base (4), the first cavity (5) and the second cavity (6) are coaxially disposed, an inner diameter of the first cavity (5) is larger than an inner diameter of the second cavity (6), the first cavity (5) is disposed close to the support plate (2), and a fixing shaft (7) is disposed in the first cavity (5) and the second cavity (6) and extends outwards, the improved roller bearing is characterized in that an annular boss (8) is arranged on the fixed shaft (7), the annular boss (8) is located in the first cavity (5), the outer diameter of the annular boss (8) is larger than the inner diameter of the second cavity (6) and smaller than the inner diameter of the first cavity (5), a spring (9) is sleeved on the fixed shaft (7), the spring (9) is located between the annular boss (8) and the inner bottom surface of the first cavity (5), a through hole (10) communicated with the first cavity (5) is arranged on the supporting plate (2), a through hole (11) is distributed on one side of the roller (3) along the circumferential direction, the end part of the fixed shaft (7) penetrates through the through hole (10) and extends into the through hole (11), an inclined surface (12) is arranged at the end part of the fixed shaft (7), and the inclined surface (12) is partially located in the through hole (11), the inclined surface (12) is provided toward the top surface portion or the bottom surface portion of the through hole (11).

3. Hoisting machine as claimed in claim 2, characterized in that the support (4) is provided with notches (13) on both sides communicating with the second cavity (6), and that a pin (14) extends in a radial direction at a position opposite the fixed shaft (7), said pin (14) cooperating with said notches (13).

4. Hoisting machine as claimed in claim 3, characterized in that the end of the fixed shaft (7) close to the second cavity (6) is provided with a grip (15).

5. Hoisting machine as claimed in any one of claims 1 to 4, characterized in that said drive means comprise a servomotor (16), said servomotor (16) being in driving connection with said drum (3) through a transmission chain.