CN210286509U

CN210286509U - Auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist

Info

Publication number: CN210286509U
Application number: CN201920691695.0U
Authority: CN
Inventors: 张红城; 于子桐; 于瀚翔
Original assignee: Anshan Lifting Mechanism Co ltd
Current assignee: Anshan Lifting Mechanism Co ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-04-10
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses an auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist, which relates to the field of small-sized hoisting equipment and solves the technical problems that the electric hoist swings heavy objects and the two sides are unevenly stressed in the hoisting process, comprising a motor, a shaft coupling is fixedly connected on the driving end of the motor, a fourth gear is meshed below a third gear, one side of the fourth gear is fixedly connected with a fifth gear through a second transmission shaft, a sixth gear is meshed above the fifth gear, a hollow shaft is arranged in the sixth gear, the hollow shaft is connected with a winding drum through a spline, an extension gear is meshed below the fifth gear, the extension gear is movably connected on the second transmission shaft through a connecting part, one side of the extension gear is fixedly connected with a linkage part which drives the linkage part to rotate, so that a double-safety hook arranged on the extension gear can lift along with a main hook to fix the safety hook on the heavy object, the auxiliary lifting device has the advantages that the auxiliary lifting function is achieved, the weight can be uniformly stressed, and the swinging is prevented.

Description

Auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist

Technical Field

The utility model relates to a small-size hoisting equipment field specifically is an auxiliary hook formula unipolar electric block that lifts by crane dual fail-safe.

Background

The electric hoist is a special hoisting device, is installed on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, docks and the like.

Electric block is applied to each field, for example in the utility model patent of publication No. CN 200999185Y, discloses a novel electric block, including motor, shaft coupling, speed reducer, hollow shaft, reel, motor 1 passes through shaft coupling 2 and is connected with the speed reducer, has saved the jackshaft, and compact structure can increase the jack-up height, and is small, convenient to use, however this electric block has the heavy object swing at the in-process that lifts by crane, the uneven condition of both sides atress.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides an auxiliary hoisting double insurance auxiliary hook formula unipolar electric block has solved electric block and has had the heavy object swing, the uneven technical problem of both sides atress at the in-process of lifting by crane.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an auxiliary hoisting double insurance auxiliary hook formula unipolar electric block, includes the motor, the rigid coupling has the shaft coupling on the motor drive end, the rigid coupling has first gear on the shaft coupling end, the meshing of first gear below has the second gear, second gear one side has the third gear through first transmission shaft rigid coupling, the meshing of third gear below has the fourth gear, fourth gear one side has the fifth gear through the second transmission shaft rigid coupling, the meshing of fifth gear top has the sixth gear, the hollow shaft has been seted up in the sixth gear, the hollow shaft has the reel through splined connection, the meshing of fifth gear below has epitaxial gear, epitaxial gear passes through connecting portion swing joint on the second transmission shaft, epitaxial gear one side rigid coupling has interlock portion.

Preferably, interlock portion includes the dwang, dwang rigid coupling in epitaxial gear lateral wall face, dwang lateral wall face cover is equipped with a pair of cylinder, and is a pair of the cylinder is located dwang both sides end department respectively.

Preferably, the connecting portion includes a bearing seat, the bearing seat is sleeved on the second transmission shaft, an L-shaped frame is fixedly connected to the lower surface of the bearing seat, a mounting table is fixedly connected to a side wall surface of the L-shaped frame, a connecting hole is formed in a side wall surface of the mounting table, a connecting rod is rotatably connected to the connecting hole, and the other side of the connecting rod is fixedly connected to a side wall surface of the extension gear.

Preferably, a pair of limiting rings is fixedly connected to the lower surfaces of the pair of rollers.

Preferably, the pair of rollers has a screw groove formed on an outer surface thereof.

Preferably, the connecting rod is rotatably connected in the connecting hole through a bearing sleeve.

Preferably, a reinforcing ring is fixedly connected to the joint of the L-shaped frame and the bearing seat.

Preferably, the mounting table is of a circular structure.

Advantageous effects

To the above problem, the utility model provides an auxiliary double insurance fly hook formula unipolar electric block lifts by crane has solved electric block and has had the heavy object swing at the in-process of lifting by crane, the uneven technical problem of both sides atress, fix epitaxial gear on original structure through the connecting portion, make epitaxial gear rotate through the interlock afterwards, it rotates to drive interlock portion, consequently, install the double insurance fly hook on it and can go up and down along with the main hook, fix the insurance fly hook in the heavy object both sides, the function of auxiliary lifting by crane has both been played, can guarantee again that the heavy object atress is even, prevent the swing.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a partial enlarged view of the present invention.

In the figure: 1-a motor; 2-a coupler; 3-a first gear; 4-a second gear; 5-a first transmission shaft; 6-a third gear; 7-a fourth gear; 8-a second drive shaft; 9-fifth gear; 10-sixth gear; 11-a hollow shaft; 12-a reel; 13-an extension gear; 14-rotating rods; 15-a roller; 16-a bearing seat; 17-L-shaped frame; 18-a mounting table; 19-connecting holes; 20-a connecting rod; 21-a limit ring; 22-thread groove; 23-a bearing sleeve; 24-reinforcement ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides an auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist, which comprises a motor 1, a coupling 2 is fixedly connected to the driving end of the motor 1, a first gear 3 is fixedly connected to the end of the coupling 2, a second gear 4 is meshed below the first gear 3, a third gear 6 is fixedly connected to one side of the second gear 4 through a first transmission shaft 5, a fourth gear 7 is meshed below the third gear 6, a fifth gear 9 is fixedly connected to one side of the fourth gear 7 through a second transmission shaft 8, a sixth gear 10 is meshed above the fifth gear 9, a hollow shaft 11 is arranged in the sixth gear 10, the hollow shaft 11 is connected with a winding drum 12 through a spline, an extension gear 13 is meshed below the fifth gear 9, the extension gear 13 is movably connected to the second transmission shaft 8 through a connecting part, one side of the extension gear 13 is fixedly connected with a linkage part; the linkage part comprises a rotating rod 14, the rotating rod 14 is fixedly connected to the side wall surface of the extension gear 13, a pair of rollers 15 is sleeved on the side wall surface of the rotating rod 14, and the pair of rollers 15 are respectively positioned at the two side ends of the rotating rod 14; the connecting part comprises a bearing block 16, the bearing block 16 is sleeved on the second transmission shaft 8, an L-shaped frame 17 is fixedly connected to the lower surface of the bearing block 16, a mounting table 18 is fixedly connected to the side wall surface of the L-shaped frame 17, a connecting hole 19 is formed in the side wall surface of the mounting table 18, a connecting rod 20 is rotatably connected to the connecting hole 19, and the other side of the connecting rod 20 is fixedly connected to the side wall surface of the extension gear 13; a pair of limiting rings 21 are fixedly connected to the lower surfaces of the rollers 15; the outer surfaces of the pair of rollers 15 are provided with thread grooves 22; the connecting rod 20 is rotatably connected in the connecting hole 19 through a bearing sleeve 23; a reinforcing ring 24 is fixedly connected at the joint of the L-shaped frame 17 and the bearing seat 16; the mounting platform 18 is of circular configuration.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

According to the attached drawings 1-2 in the specification, when the electric hoist is used, the motor 1 is started through the external power supply, the driving end of the motor is rotated, the first gear 3 is driven to rotate through the coupler 2, so that the second gear 4 meshed with the first gear is rotated, and then the third gear 6 is driven to rotate through the first transmission shaft 5, so that the fourth gear 7 meshed with the third gear is rotated. And the fifth gear 9 is driven to rotate by the second transmission shaft 8, the sixth gear 10 meshed with the fifth gear rotates, therefore, the hollow shaft 11 mounted on the hollow shaft rotates to drive the winding drum 12 to rotate, the lifting process of the main hook is completed, meanwhile, when the fifth gear 9 rotates, the extension gear 13 meshed with the fifth gear is also driven to rotate, because the connecting rod 20 at one side is movably connected in the mounting platform 8 through the bearing sleeve 23, the rotation of the connecting rod is not influenced, then the rotation is transmitted to the roller 15 through the rotating rod 14, at the moment, a pair of auxiliary hooks are mounted on the roller 15 and can lift along with the lifting of the main hook, the auxiliary hooks are hung at two sides of a heavy object, the limiting ring 21 is used for limiting the swinging of the auxiliary hooks, the thread groove 22 is used for better accommodating the rope of the auxiliary hooks, the reinforcing ring 24 is used for reinforcing connection, through the mutual matching of the components, the electric hoist can have the function of a double-safety auxiliary hook.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an auxiliary hoisting double insurance auxiliary hook formula unipolar electric block, includes motor (1), the rigid coupling has shaft coupling (2) on motor (1) drive end, the rigid coupling has first gear (3) on shaft coupling (2) end, the meshing of first gear (3) below has second gear (4), second gear (4) one side has third gear (6) through first transmission shaft (5) rigid coupling, the meshing of third gear (6) below has fourth gear (7), fourth gear (7) one side has fifth gear (9) through second transmission shaft (8) rigid coupling, the meshing of fifth gear (9) top has sixth gear (10), hollow shaft (11) have been seted up in sixth gear (10), hollow shaft (11) have reel (12) through the splined connection, its characterized in that, the meshing of fifth gear (9) below has epitaxial gear (13), the extension gear (13) is movably connected to the second transmission shaft (8) through a connecting portion, and one side of the extension gear (13) is fixedly connected with a linkage portion.

2. The auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist according to claim 1, wherein the linkage part comprises a rotating rod (14), the rotating rod (14) is fixedly connected to the side wall surface of the extension gear (13), a pair of rollers (15) is sleeved on the side wall surface of the rotating rod (14), and the pair of rollers (15) are respectively located at the ends of two sides of the rotating rod (14).

3. The auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist as claimed in claim 1, wherein the connecting portion comprises a bearing seat (16), the bearing seat (16) is sleeved on the second transmission shaft (8), an L-shaped frame (17) is fixedly connected to the lower surface of the bearing seat (16), a mounting table (18) is fixedly connected to the side wall surface of the L-shaped frame (17), a connecting hole (19) is formed in the side wall surface of the mounting table (18), a connecting rod (20) is rotatably connected to the connecting hole (19), and the other side of the connecting rod (20) is fixedly connected to the side wall surface of the extension gear (13).

4. The auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist as claimed in claim 2, wherein a pair of limiting rings (21) are fixedly connected to the lower surfaces of the pair of rollers (15).

5. The auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist as claimed in claim 2, wherein the pair of rollers (15) are provided with thread grooves (22) on the outer surfaces thereof.

6. The auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist as claimed in claim 3, wherein the connecting rod (20) is rotatably connected in the connecting hole (19) through a bearing sleeve (23).

7. The auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist as claimed in claim 3, wherein a reinforcing ring (24) is fixedly connected to the joint of the L-shaped frame (17) and the bearing seat (16).

8. The auxiliary hoisting double-safety auxiliary hook type single-shaft electric hoist as claimed in claim 3, characterized in that the mounting table (18) is of a circular structure.