CN209988978U - Portable crane - Google Patents

Abstract

The utility model discloses a portable crane, including bottom plate, outer column, crossbeam and electric block, electric block sets up in the outer column top, and the crossbeam sets up perpendicularly in the outer column upper end, the outer column lower part is hollow structure, bottom plate central authorities vertical fixation is provided with the inner column, and the hollow part cover of outer column lower part is established on the inner column, be provided with on the bottom plate and be used for driving the outer column around inner column pivoted rotary mechanism, the inner column all wears to establish with the outer column and goes into rotary mechanism, the outer column lateral wall is provided with the supporting leg, the bottom of supporting leg is provided with the universal wheel, around having wire rope on the electric block, the last lifting hook that is connected with of wire rope. An object of the utility model is to provide a portable hoist, this hoist come to provide rotatory power to it through the pneumatic cylinder to the removal of giving the hoist brings very big convenience.

Description

Portable crane

Technical Field

The utility model relates to a hoisting equipment field, concretely relates to portable hoist.

Background

In industrial production or building industry, need use the hoist to carry large-scale object usually to carry instead the manpower, current hoist is mostly very inconvenient at the removal in-process, and through powerful motor as the rotatory power to the hoist, the rotation process reliability is relatively poor, can make the motor rotary power not enough be difficult to rotate the hoist when handling object quality is heavier.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable hoist, this hoist come to provide rotatory power to it through the pneumatic cylinder to the removal of giving the hoist brings very big convenience.

In order to solve the technical problem, the utility model adopts the following technical scheme:

portable hoist, including bottom plate, outer column, crossbeam and electric block, electric block sets up in the outer column top, and the crossbeam sets up perpendicularly in the outer column upper end, the outer column lower part is hollow structure, bottom plate central authorities vertical fixation is provided with the inner column, and the hollow part cover of outer column lower part is established on the inner column, be provided with on the bottom plate and be used for driving the outer column around inner column pivoted rotary mechanism, the inner column all wears to establish into rotary mechanism with the outer column, the outer column lateral wall is provided with the supporting leg, the bottom of supporting leg is provided with the universal wheel, around there being wire rope on the electric block, the last lifting hook that is connected with of wire rope.

Further, pulleys are arranged at two ends of the cross beam, and the steel wire rope passes through the two pulleys.

Furthermore, an inclined support is welded between the cross beam and the outer upright post in an inclined mode.

Further, be provided with outer insection on the circumference of outer stand bottom, rotary mechanism is including setting up in inside pinion rack and dog, insection and outer insection mesh on the pinion rack, and the one end of pinion rack with set up the pneumatic cylinder on the bottom plate and release the end and be connected, the dog is fixed to be set up in the pinion rack back.

Further, the bottom plate includes upper plate, lower plate, the both ends of upper plate and lower plate all are provided with connecting portion and connect through the screw.

Furthermore, the supporting legs are L-shaped, and the number of the supporting legs is 4 and is uniformly distributed around the outer stand column.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a pneumatic cylinder rotates as drive power to the outer column of hoist, and outer column bottom is equipped with the insection and meshes mutually with the pinion rack, promotes the pinion rack through the pneumatic cylinder and realizes rotatoryly, has replaced with the motor as rotary power, makes its rotation process more reliable, and in addition, the outer column is equipped with supporting leg and universal wheel, and the bottom plate comprises upper plate and lower plate through the screw connection, when needs remove, only need unscrew the screw separation lower plate alright remove the hoist.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an internal structure view of the rotation mechanism.

In the figure, 1-bottom plate, 1 a-connecting part, 1 b-screw, 1 c-upper bottom plate, 1 d-lower bottom plate, 2-supporting leg, 3-universal wheel, 4-hydraulic cylinder, 5-rotating mechanism, 6-outer column, 7-inner column, 8-outer insection, 9-beam, 10-inclined support, 11-electric block, 12-pulley, 13-steel wire rope, 14-lifting hook, 15-toothed plate and 16-stop block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

referring to fig. 1, the utility model provides a portable crane, which comprises a bottom plate 1, an outer column 6, a beam 9 and an electric hoist 11, wherein the electric hoist 11 is arranged above the outer column 6, the beam 9 is vertically arranged at the upper end of the outer column 6, the lower part of the outer column 6 is of a hollow structure, the center of the bottom plate 1 is vertically and fixedly provided with an inner column 7, the hollow part at the lower part of the outer column 6 is sleeved on the inner column 7, the bottom plate 1 is provided with a rotating mechanism 5 for driving the outer column 6 to rotate around the inner column 7, the inner column 7 and the outer column 6 are both arranged in the rotating mechanism 5 in a penetrating way, the side wall of the outer column 6 is provided with a supporting leg 2, the supporting leg 2 is welded with the outer column 6, the outer column 6 is arranged to prevent the crane from toppling over in the lifting process, the bottom of the supporting leg 2 is provided with a, the wire rope 13 is connected with a hook 14.

Example 2:

on the basis of the embodiment, the utility model discloses a another embodiment is, the both ends of crossbeam 9 all are provided with pulley 12, wire rope 13 is through two pulley 12 to play the transition effect to wire rope 13, prevent that wire rope 13 from wearing off at crossbeam 9 both ends.

Example 3:

on the basis of the above embodiment, another embodiment of the present invention is that, in order to increase the strength of the cross beam 9, the cross beam 9 and the outer column 6 are welded with the inclined struts 10 in an inclined manner.

Example 4:

referring to fig. 2, another embodiment of the utility model is, be provided with outer insection 8 on the circumference of 6 bottoms of outer column, rotary mechanism 5 is including setting up in inside pinion rack 15 and dog 16, insection and the meshing of outer insection 8 on the pinion rack 15, and the one end of pinion rack 15 with set up the pneumatic cylinder 4 on bottom plate 1 and release the end and be connected, when the pinion rack 15 is released in the work of pneumatic cylinder 4, convert the linear motion of pinion rack 15 into the rotary motion of outer column 6, pneumatic cylinder 4 work is steady reliable, dog 16 is fixed to be set up in 15 backs of pinion rack, prevents that pinion rack 15 from breaking away from the meshing state with outer insection 8.

Example 5:

on the basis of the above-mentioned embodiment, the utility model discloses a another embodiment is, bottom plate 1 includes upper plate 1c, lower plate 1d, upper plate 1c and lower plate 1 d's both ends all are provided with connecting portion 1a and connect through screw 1b, when needs move the hoist, unscrew screw 1b and make its lower plate 1d break away from, and upper plate 1 c's lower surface is located the top of universal wheel 3 so that can stimulate the hoist this moment.

Example 6:

on the basis of the above embodiment, the utility model discloses another embodiment is, supporting leg 2 is L shape and the quantity of supporting leg 2 is 4 evenly distributed around outer post 6, and the slant welding is provided with the stiffening beam between the right angle of preferred supporting leg 2.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts or arrangements, other uses will also be apparent to those skilled in the art.

Claims (6)

1. Portable hoist, including bottom plate (1), outer column (6), crossbeam (9) and electric block (11), electric block (11) set up in outer column (6) top, and crossbeam (9) set up perpendicularly in outer column (6) upper end, its characterized in that: the utility model discloses a building outer column, including outer stand (6), bottom plate (1) central authorities vertical fixation is provided with inner column (7), and inner column (7) are established to the hollow part cover of outer stand (6) lower part, be provided with on bottom plate (1) and be used for driving outer stand (6) around inner column (7) pivoted rotary mechanism (5), rotary mechanism (5) are all worn to establish in inner column (7) and outer stand (6), outer stand (6) lateral wall is provided with supporting leg (2), the bottom of supporting leg (2) is provided with universal wheel (3), around being equipped with wire rope (13) on electric block (11), be connected with lifting hook (14) on wire rope (13).

2. The portable crane according to claim 1, wherein: pulleys (12) are arranged at two ends of the cross beam (9), and the steel wire rope (13) passes through the two pulleys (12).

3. The portable crane according to claim 1, wherein: and an inclined support (10) is welded between the cross beam (9) and the outer upright post (6) in an inclined mode.

4. The portable crane according to claim 1, wherein: be provided with outer insection (8) on the circumference of outer stand (6) bottom, rotary mechanism (5) are including setting up in inside pinion rack (15) and dog (16), insection and outer insection (8) mesh on pinion rack (15) mutually, and the one end of pinion rack (15) with set up hydraulic cylinder (4) on bottom plate (1) and release the end and be connected, dog (16) are fixed to be set up in pinion rack (15) back.

5. The portable crane according to claim 1, wherein: the bottom plate (1) comprises an upper bottom plate (1 c) and a lower bottom plate (1 d), wherein connecting parts (1 a) are arranged at two ends of the upper bottom plate (1 c) and the lower bottom plate (1 d) and connected through screws (1 b).

6. The portable crane according to claim 1, wherein: the supporting legs (2) are L-shaped, and the number of the supporting legs (2) is 4 and are evenly distributed around the outer stand column (6).

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