CN209940341U

CN209940341U - Anti-inclined lifting device of electric hoist

Info

Publication number: CN209940341U
Application number: CN201920479015.9U
Authority: CN
Inventors: 李娟娟
Original assignee: Henan Sharp Stewart Technology Co Ltd
Current assignee: Henan Sharp Stewart Technology Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-14
Anticipated expiration: 2029-04-10

Abstract

The utility model relates to the technical field of electric hoists, in particular to an anti-oblique hoisting device of an electric hoist, which solves the defect that the lifting hook of the electric hoist has oblique hoisting in the using process in the prior art, and comprises a device body, a motor, a steel wire rope, a limiting device and a wheel disc, wherein the motor is arranged in the middle of the upper part of the device body, the steel wire rope is arranged below the middle part of the device body through a transmission mechanism, the wheel disc is arranged at the bottom of the steel wire rope, the lifting hook is arranged in the middle of the wheel disc through a locking bolt, the side walls at two sides of the device body are both fixedly provided with a fixed rod through a welding block, a fixed seat is fixedly arranged at one side in the middle of the fixed rod, the limiting device is arranged between the fixed seat and the side wall of the wheel disc through, the installation is convenient, and the condition that the electric hoist is hung to one side in the use process can be avoided.

Description

Anti-inclined lifting device of electric hoist

Technical Field

The utility model relates to an electric block technical field especially relates to an electric block prevents hoisting apparatus to one side.

Background

The steel wire rope electric hoist is a small-sized hoisting device, has the advantages of compact structure, light weight, small volume, strong universality of parts, convenient operation and the like, can be independently arranged on I-shaped steel, and can also be matched with electric or manual cranes such as single beam cranes, double beams cranes, cantilevers, gantries and the like for use.

The phenomenon of hanging to one side often can appear in wire rope electric block in the use, and electric block's couple is located the side below of top wire rope reel promptly, owing to hang the scour protection top stop device that the former vertical direction of back couple skew set up to one side, the couple dashes a phenomenon easily appears, causes wire rope and reel damage, drops, takes place industrial accident.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the electric block that exists among the prior art has the oblique condition of hanging in its lifting hook of use, and the electric block who provides prevents to hang to one side and put.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-tilt lifting device of an electric hoist comprises a device body, a motor, a steel wire rope, a limiting device and a wheel disc, wherein the motor is arranged in the middle of the upper portion of the device body, the steel wire rope is arranged below the middle of the device body through a transmission mechanism, the wheel disc is arranged at the bottom of the steel wire rope, a lifting hook is arranged in the middle of the wheel disc through a locking bolt, fixing rods are fixedly arranged on the side walls of the two sides of the device body through welding blocks, a fixing seat is fixedly arranged on one side of the middle of each fixing rod, the limiting device is arranged between the fixing seat and the side wall of the wheel disc through the fixing bolt and comprises a first fixing part, an adjusting part and a second fixing part, the first fixing part and the second fixing part are respectively fixed on the side walls of the fixing seat and the wheel disc, an extension, and one side of the upper portion of the inner wall of the adjusting piece is welded with a welding plate, the upper surface of the welding plate is welded with an extension spring, the lower portion of the welding plate is connected with a piston plate through an expansion bracket, and the lower surface of the piston plate is welded with the extension spring.

Preferably, the straight line of the central axis of the wheel disc and the straight line of the central axis of the fixing seat are the same straight line.

Preferably, the welding blocks are welded on the side walls of the two sides of the device body, the fixing rod is welded on one side of each welding block, and the fixing seat is welded and fixed on one side of the middle of each fixing rod.

Preferably, the lower part of the welding plate is connected with an expansion bracket through a support rod, the expansion bracket is arranged on one side of the inner wall of the adjusting part in a sliding mode, and the bottom of the expansion bracket is connected with a piston plate through the support rod.

Preferably, an extension spring is welded and fixed to a lower surface of the first fixing member, and an extension spring is welded and fixed to an upper surface of the second fixing member.

The utility model has the advantages that: the utility model discloses an assemble stop device with first mounting, regulating part, extension spring and second mounting to be fixed in one side of fixing base and rim plate respectively with first mounting and second mounting, connect gradually multiunit extension spring and regulating part in the middle of its the two, not only simple structure, simple to operate can avoid electric block to appear hanging the condition emergence to one side in the use moreover.

Drawings

Fig. 1 is a schematic structural view of an anti-tilt hanging device of an electric hoist of the present invention;

fig. 2 is a schematic structural view of a limiting device of an anti-tilting device of an electric hoist of the present invention;

fig. 3 is the utility model provides an electric block prevent regulation piece schematic structure that oblique hoist put.

In the figure: the device comprises a device body 1, a motor 2, a steel wire rope 3, a limiting device 4, a first fixing part 41, an adjusting part 42, an extension spring 43, a second fixing part 44, a wheel disc 5, a lifting hook 6, a fixing rod 7, a welding block 71, a fixing seat 72, a welding plate 8, an expansion bracket 9 and a piston plate 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

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", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, an anti-tilt lifting device of an electric hoist comprises a device body 1, a motor 2, a steel wire rope 3, a limiting device 4 and a wheel disc 5, wherein the motor 2 is installed in the middle of the upper portion of the device body 1, the steel wire rope 3 is installed below the middle of the device body 1 through a transmission mechanism, the wheel disc 5 is installed at the bottom of the steel wire rope 3, the wheel disc 5 is used for installing a lifting hook 6, the lifting hook 6 is installed in the middle of the wheel disc 5 through a locking bolt, and the lifting hook 6 is used for suspending heavy objects;

furthermore, welding blocks 71 (the welding blocks 71 are short-column-shaped connecting columns) are welded on the side walls of the two sides of the device body 1, a fixing rod 7 is welded on one side of the welding blocks 71, a fixing seat 72 is welded and fixed on one side of the middle of the fixing rod 7, a limiting device 4 is installed between the fixing seat 72 and the side wall of the wheel disc 5 through a fixing bolt, the limiting device 4 is used for preventing the lifting hook 6 from being obliquely hung, the limiting device 4 comprises a first fixing part 41, an adjusting part 42 and a second fixing part 44, the first fixing part 41 and the second fixing part 44 are respectively fixed on the side walls of the fixing seat 72 and the wheel disc 5, an extension spring 43 and the adjusting part 42 are sequentially connected between the first fixing part 41 and the second fixing part 44, the extension spring 43 and the adjusting key 42 are used for adjusting the length of the limiting device 4 along with the lifting of the lifting hook 6, a welding plate 8 is welded on one side above the inner wall of the adjusting piece 42, an extension spring 43 is welded on the upper surface of the welding plate 8, an expansion bracket 9 is connected below the welding plate 8 through a support rod, the expansion bracket 9 is used for assisting the adjusting piece 42 to adjust, the expansion bracket 9 is arranged on one side of the inner wall of the adjusting piece 42 in a sliding mode, the bottom of the expansion bracket 9 is connected with a piston plate 10 through a support rod, and the extension spring 43 is welded on the lower surface of the piston plate 10;

specifically, the straight line of the central axis of the wheel disc 5 and the straight line of the central axis of the fixing seat 72 are the same straight line, and in addition, the extension spring 43 is welded and fixed to the lower surface of the first fixing member 41, and the extension spring 43 is welded and fixed to the upper surface of the second fixing member 44.

In this embodiment, during installation, the first fixing member 41 is fixed to the side wall of the fixing seat 72 by a fixing bolt, and the second fixing member 44 is fixed to the side wall of the wheel disc 5 by a fixing bolt;

in the working and using process of the electric hoist, the lifting hook 6 can move up and down along with the pulling control of the steel wire rope 3, in the downward descending process of the lifting hook 6, the second fixing piece 44 firstly begins to descend along with the wheel disc 5, the second fixing piece 44 moves downward to pull the extension spring 43 on the second fixing piece to stretch, the extension spring 43 simultaneously drives the piston plate 10 to slide downward along the inner wall of the adjusting piece 42, the piston plate 10 synchronously drives the telescopic frame 9 to slowly expand and stretch along the inner wall, when the lowest end of the telescopic frame 9 is pulled to the lowest end of the inner wall of the adjusting piece 42, the piston plate drives the adjusting piece 42 above the telescopic frame to stretch and adjust again along with the continuous descending of the lifting hook 6, and the like; and in the process that the lifting hook 6 rises upwards, along with the continuous rising of the lifting hook 6, the extension spring 43 and the expansion bracket 9 are continuously compressed from bottom to top to restore the shapes of the lifting hook 6, when the adjusting piece 42 is connected end to end and is adjacent to the first fixing piece 41 and the second fixing piece 44, the lifting hook 6 rises to the highest position, and in addition, in the process that the adjusting piece 42 is stretched, a certain buffering effect is realized on the ascending and descending of the electric hoist.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric block prevent hoisting accessory to one side, includes device body (1), motor (2), wire rope (3), stop device (4) and rim plate (5), install motor (2) in the middle of the upper portion of device body (1) to wire rope (3) are installed through drive mechanism to the middle part below of device body (1), rim plate (5) are installed to the bottom of wire rope (3), and lifting hook (6) are installed through locking bolt in the centre of rim plate (5), a serial communication port, the both sides lateral wall of device body (1) all has dead lever (7) through welded block (71) fixed mounting, and middle one side fixed mounting of dead lever (7) has fixing base (72), installs stop device (4) through fixing bolt between the lateral wall of fixing base (72) and rim plate (5), stop device (4) include first mounting (41), Regulating part (42) and second mounting (44), the lateral wall at fixing base (72) and rim plate (5) is fixed respectively in first mounting (41) and second mounting (44), and extension spring (43) and regulating part (42) have connected gradually between first mounting (41) and second mounting (44), the inside of regulating part (42) is the cavity, and the welding of inner wall top one side of regulating part (42) has welded plate (8), the last skin weld of welded plate (8) has extension spring (43), the below of welded plate (8) is connected with piston plate (10) through expansion bracket (9), the lower skin weld of piston plate (10) has extension spring (43).

2. The anti-tilt lifting device of the electric hoist as claimed in claim 1, wherein the straight line of the central axis of the wheel disc (5) is the same as the straight line of the central axis of the fixed seat (72).

3. The anti-tilt hanging device of the electric hoist as claimed in claim 1, wherein the side walls of the device body (1) are welded with welding blocks (71), one side of each welding block (71) is welded with the fixing rod (7), and the middle side of each fixing rod (7) is welded with the fixing seat (72).

4. The anti-tilt lifting device of the electric hoist as claimed in claim 1, wherein the lower part of the welding plate (8) is connected with an expansion bracket (9) through a support rod, the expansion bracket (9) is slidably arranged on one side of the inner wall of the adjusting part (42), and the bottom of the expansion bracket (9) is connected with a piston plate (10) through a support rod.

5. The anti-tilting device for the electric hoist according to claim 1, wherein the extension spring (43) is welded and fixed to the lower surface of the first fixing member (41), and the extension spring (43) is welded and fixed to the upper surface of the second fixing member (44).