CN209127923U - A rotary automatic small single-arm crane - Google Patents

Abstract

The utility model discloses a kind of rotational automatic small-sized single armeds of formula to hang, including chassis, fixing seat is fixedly installed on the roof of the chassis side, column is installed on the roof of the fixing seat, the inside of the column offers axial trough, the inside of the axial trough is equipped with axis, the upper end level of the axis is fixedly connected with cantilever, the inside of the cantilever offers screw slot, the inside of the screw slot is equipped with screw rod, the screw rod is equipped with lifting arm far from one end of column, the lifting arm is equipped with U-shaped pulley sleeve far from one end of screw rod, the inside of the U-shaped pulley sleeve is equipped with pulley spindle.The utility model passes through the transformation for the structure hung to original small-sized single armed, so that hang can job enlargement for the small-sized single armed of Novel rotary self-action, operator, which operates, to be simplified, improve mechanical and operator's working efficiency, the rotational automatic small-sized single armed of formula, which hangs chassis, to be furnished with iron, the operation is stable is secured, eliminates potential danger.

Description

A rotary automatic small single-arm crane

technical field

The utility model relates to the technical field of mechanical crane production lines and assembly lines, in particular to a rotary automatic type small single-arm crane.

Background technique

Single-arm crane is a kind of lifting equipment that uses a single column and a slewing arm to lift goods. The lower end of the column of the large single-arm crane is generally fixed on the foundation of the concrete, which reduces the working range of the single-arm crane. There are also a large number of small single-arm cranes in the existing market. These small single-arm cranes generally have a single specification, small base and light weight, and are unstable during work. , the column cannot be rotated, and the boom cannot be telescopic. As a result, the working efficiency of the single-arm crane is reduced and the workable range is greatly reduced, and there is a potential danger of causing injury to the personal safety of the operator, which needs to be improved.

SUMMARY OF THE INVENTION

The purpose of the utility model is to solve the problems of low working efficiency and small workable range of the single-arm crane in the prior art, and the possibility of causing harm to the personal safety of the operator. boom.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A rotary automatic small single-arm crane includes a chassis, a top wall on one side of the chassis is fixedly mounted with a fixed seat, a vertical column is installed on the top wall of the fixed seat, and a shaft groove is opened inside the vertical column, A shaft is installed inside the shaft groove, a plurality of bearings are evenly installed on the outer side wall of the shaft, a cantilever is horizontally and fixedly connected to the upper end of the shaft, and a screw groove is opened inside the cantilever. A screw is installed inside, a lifting arm is installed at one end of the screw away from the column, a U-shaped pulley sleeve is installed at one end of the lifting arm away from the screw, and a pulley shaft is installed inside the U-shaped pulley sleeve. A first pulley is installed.

Preferably, a motor slot is opened inside the base near the column, the motor slot communicates with the lower side of the base, a motor slot cover is provided on the bottom wall of the motor slot, and a motor slot is installed inside the motor slot. A motor, the driving end of the motor is connected with a wire rope, and the wire rope is erected on the first pulley along the column and the cantilever, and the end of the wire rope close to the first pulley is connected with an iron hook.

Preferably, a second pulley is installed at one end of the cantilever near the column, and the wire rope is mounted on the second pulley.

Preferably, a round handle is installed at one end of the screw rod close to the upright column.

Preferably, a strut hanger is symmetrically installed on the top wall of the base, and a strut hanger is symmetrically installed on the outer side wall of the middle part of the column. A strut is fixedly connected between.

Preferably, wheels are symmetrically mounted on the bottom wall of the base, and distribution irons are mounted on the bottom walls at the four corners of the base.

Compared with the prior art, the beneficial effects of the present utility model are as follows: 1. The rotary automatic type small-scale single-arm suspension is provided with a screw groove in the cantilever, and a screw rod is installed in the screw groove. The screw rotates, so that the hoisting arm can move inward or outward, and when the single-arm crane is working, the operator can also operate the circular handle, which expands the working range of the single-arm crane; 2. This rotary automatic small There are bearings and bushings installed in the column of the arm crane, which can make the rotary automatic small-scale single-arm crane rotate around the column during work, simplifying the operation steps of the staff, and the rotary automatic small-scale single-arm crane adopts the method of lifting the goods by the motor , reduce the physical labor of the staff and improve the work efficiency; 3. The lower end surface of the base of the rotary automatic small single-arm crane is installed with iron, which increases the weight of the base, improves the working stability of the single-arm crane, and reduces the working time of the single-arm crane. Potentially dangerous.

Description of drawings

Fig. 1 is the front view of a kind of rotary automatic type small-scale single-arm crane proposed by the utility model;

Fig. 2 is the top view of a kind of rotary automatic type small-scale single-arm crane proposed by the utility model;

Fig. 3 is a sectional view at B of a rotary automatic type small-sized single-arm crane proposed by the utility model;

FIG. 4 is an enlarged schematic view of the structure of part A of a rotary automatic type small single-arm crane proposed by the present invention.

In the picture: 1 chassis, 2 fixed seat, 3 column, 4 shaft slot, 5 shaft, 6 bearing, 7 cantilever, 8 screw slot, 9 screw, 10 lifting arm, 11 round handle, 12 U-shaped pulley sleeve, 13 slide Axle, 14 first pulley, 15 wood slot, 16 wheel, 17 iron, 18 wire rope, 19 iron hook, 20 strut one, 21 strut, 22 motor, 23 second pulley, 24 motor slot, 25 strut Pole ride two.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Referring to Figures 1-4, a rotary automatic small single-arm crane includes a chassis 1, a fixed seat 2 is fixedly installed on the top wall of one side of the chassis 1, and a column 3 is installed on the top wall of the fixed seat 2. A shaft groove 4 is opened inside, a shaft 5 is installed inside the shaft groove 4, and a plurality of bearings 6 are evenly installed on the outer side wall of the shaft 5. The bearings 6 can effectively reduce the friction between the column 3 and the shaft 5 and increase the mechanical use. The upper end of the shaft 5 is horizontally and fixedly connected with a cantilever 7, a screw groove 8 is opened inside the cantilever 7, a screw 9 is installed inside the screw groove 8, and a hoist is installed at the end of the screw 9 away from the column 3 The arm 10, the end of the hoisting arm 10 away from the screw is installed with a U-shaped pulley sleeve 12, a pulley shaft 13 is installed inside the U-shaped pulley sleeve 12, and a first pulley 14 is installed on the pulley shaft 13, and the wire rope 18 can pass through the first pulley 14. , and wound on the first pulley to prevent the wire rope from slipping off, and can reduce the friction between the wire rope 18 and the first pulley 14, the base 1 is provided with a motor slot 24 in the interior of the side close to the column 2, and the motor is installed in the motor slot 24. 22. The installation of the motor 22 optimizes the original manual lifting and lowering to mechanical automatic operation, which improves the work efficiency of the operator and reduces the physical consumption of the operator.

In the present invention, the motor slot 24 is communicated with the lower side of the base 1, and the bottom wall of the motor slot 24 is provided with a motor slot cover. , the driving end of the motor 22 is connected to the wire rope 18, and the wire rope 18 is placed on the first pulley 14 along the column 3 and the cantilever 7, and the end of the wire rope 18 close to the first pulley 14 is connected with an iron hook 19, and the wire rope is placed on the first pulley 14, reduce the friction force of the wire rope and improve the service life of the wire rope.

A second pulley 23 is installed on the end of the cantilever 7 close to the column 3, the wire rope 18 is placed on the second pulley 23, and the wire rope 18 is placed on the second pulley 23, which can change the original sliding friction of the wire rope into rolling friction, so that the load of the motor can be changed. Reduce and increase the service life of the motor. A circular handle 11 is installed at one end of the screw 9 close to the column 3. The circular handle 11 is convenient for operators to operate. On the outer side wall of the frame, there are two struts 25 symmetrically installed, and a strut 21 is fixedly connected between the first 20 of the strut and the second 25 of the struts. The setting of the struts 21 can increase the stability of the column 3 and improve the Mechanical safety performance, the wheels 16 are symmetrically installed on the bottom wall of the base 1, and the wheels 16 are installed on the bottom wall of the base 1 to facilitate the movement of the single-arm crane, and it is more convenient and agile to use. The bottom walls of the four corners of the base 1 are equipped with The distribution of iron 17, the assembly of the distribution iron 17 can increase the weight of the base 1, lower the center of gravity of the single-arm crane, and increase the working stability of the single-arm crane.

In the present invention, at the beginning or during the operation of the single-arm crane, the operator can rotate the circular handle 11, so that the screw rod 9 rotates with the circular handle 11, and the hoisting arm 10 is threadedly connected with the screw rod 9. The lifting arm 10 can be retracted and extended inward or outward, so that the single-arm crane can work in a wider range, and when the single-arm crane is working, the operator can rotate the cantilever 7 to make a circular teleportation around the column 3, which can make the single-arm crane work. When the arm crane does not move, the hoisted heavy objects can be placed at any position within the surrounding working range. The single-arm crane is driven by a motor, which reduces the manual labor of the operator, improves the work efficiency, and reduces the workload of the operator. , and the bottom wall of the base 1 of the single-arm crane is equipped with a distribution iron 17, which increases the weight of the base 1 and reduces the center of gravity of the single-arm crane, so that the work of the single-arm crane is more stable and the mechanical operation is safer.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. a kind of small-sized single armed of rotational automatic formula is hung, including chassis (1), it is characterised in that: on the roof of chassis (1) side It is fixedly installed with fixing seat (2), is equipped with column (3) on the roof of the fixing seat (2), the inside of the column (3) opens up Have axial trough (4), the inside of the axial trough (4) is equipped with axis (5), is uniformly equipped with multiple bearings on the lateral wall of the axis (5) (6), the upper end level of the axis (5) is fixedly connected with cantilever (7), and the inside of the cantilever (7) offers screw slot (8), institute The inside for stating screw slot (8) is equipped with screw rod (9), and the screw rod (9) is equipped with lifting arm (10) far from the one end of column (3), The lifting arm (10) is equipped with U-shaped pulley sleeve (12) far from the one end of screw rod (9), the inside peace of the U-shaped pulley sleeve (12) Equipped with pulley spindle (13), first pulley (14) are installed on the pulley spindle (13).

2. a kind of rotational automatic small-sized single armed of formula according to claim 1 is hung, it is characterised in that: the chassis (1) is close The inside of column (3) side offers motor slot (24), and the motor slot (24) is connected to the downside of chassis (1), the motor Motor slot cover is provided on the bottom wall of slot (24), the inside of the motor slot (24) is equipped with motor (22), the motor (22) Driving end connecting steel wire ropes (18), and wirerope (18) along column (3) and cantilever (7) and rides upon first pulley (14) On, the wirerope (18) is connected with iron hook (19) close to the one end of first pulley (14).

3. a kind of rotational automatic small-sized single armed of formula according to claim 2 is hung, it is characterised in that: cantilever (7) are leaned on One end of nearly column (3) is equipped with second pulley (23), and the wirerope (18) rides upon on second pulley (23).

4. a kind of rotational automatic small-sized single armed of formula according to claim 1 is hung, it is characterised in that: the screw rod (9) is close One end of column (3) is equipped with knop (11).

5. a kind of rotational automatic small-sized single armed of formula according to claim 1 is hung, it is characterised in that: the top of the chassis (1) It is symmetrically installed with strut lug one (20) on wall, is symmetrically installed with strut lug two on the lateral wall in the middle part of the column (3) (25), it is fixedly connected between the strut lug one (20) and strut lug two (25) strut (21).

6. a kind of rotational automatic small-sized single armed of formula according to claim 1 is hung, it is characterised in that: the bottom of the chassis (1) It is symmetrically installed on wall wheel (16), is each equipped on the bottom wall of chassis (1) four corners with iron (17).