CN213707552U

CN213707552U - Portable crane with counterweight mechanism

Info

Publication number: CN213707552U
Application number: CN202021256765.9U
Authority: CN
Inventors: 靳国良
Original assignee: Henan Yingtegray Automation Equipment Co ltd
Current assignee: Henan Yingtegray Automation Equipment Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-07-16
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a portable hoist with counter weight mechanism, comprising a base plate, the outer column, the crossbeam, electric block and counter weight mechanism, electric block sets up in the outer column top, the outer column lower part is hollow structure, be provided with on the bottom plate central authorities vertical fixation is provided with the inner column bottom plate and be used for driving the outer column around inner column pivoted rotary mechanism, the outer column lateral wall is provided with the supporting leg, the bottom of supporting leg is provided with the universal wheel, last wire rope around having the lifting hook of electric block, counter weight mechanism includes weight box and counterweight plate, the one side at the outer column is fixed to the weight box, the bottom of weight box inner chamber is equipped with counterweight plate joint groove, the counterweight plate is placed in the weight box, peg graft at counterweight plate joint inslot in the bottom of counterweight plate. This hoist comes to provide rotatory power to it through the pneumatic cylinder to the removal of giving the hoist brings very big convenience, can also solve the problem that current hoisting equipment appears the slope easily when the handling object simultaneously.

Description

Portable crane with counterweight mechanism

Technical Field

The utility model relates to a hoisting equipment field, concretely relates to portable hoist with counter weight mechanism.

Background

In industrial production or building industry, need use the hoist to carry large-scale object usually to replace the manpower to carry, current hoist is mostly very inconvenient at the removal in-process, and regard as the rotatory power to the hoist through powerful motor, rotatory process reliability is relatively poor, can make motor rotary power not enough rotate the hoist when handling object quality is heavier, current hoist is when handling the object in addition, the problem of slope appears because lever principle easily, has the potential safety hazard like this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable hoist with counter weight mechanism, this hoist come to provide rotatory power to it through the pneumatic cylinder to bring very big convenience for the removal of hoist, can also solve the problem that current hoisting equipment appears the slope easily when the handling object simultaneously.

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

a portable crane with a counterweight mechanism comprises a bottom plate, an outer stand column, a cross beam, an electric hoist and a counterweight mechanism, wherein the electric hoist is arranged above the outer stand column, the cross beam is vertically arranged at the upper end of the outer stand column, the lower part of the outer stand column is of a hollow structure, an inner stand column is vertically and fixedly arranged in the center of the bottom plate, the hollow part at the lower part of the outer stand column is sleeved on the inner stand column, a rotating mechanism for driving the outer stand column to rotate around the inner stand column is arranged on the bottom plate, the inner stand column and the outer stand column are both arranged in the rotating mechanism in a penetrating way, supporting legs are arranged on the side wall of the outer stand column, universal wheels are arranged at the bottom of the supporting legs, steel wire ropes are wound on the electric hoist, lifting hooks are connected onto the steel wire ropes, the counterweight mechanism comprises a counterweight box and a counterweight plate, the counterweight, the bottom of the inner cavity of the weight box is provided with a weight plate clamping groove, the shape and the size of the horizontal section of the weight plate clamping groove are the same as those of the horizontal section of the weight plate, the weight plate is placed in the weight box, and the bottom of the weight plate is inserted in the weight plate clamping groove.

As a further preference of the utility model, the both ends of crossbeam all are provided with the pulley, wire rope is through two pulleys.

As a further preferred aspect of the present invention, the cross member and the outer column are welded to each other with an inclined brace therebetween.

As the utility model discloses a further preferred, be provided with outer insection on the circumference of outer column 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 release end on the bottom plate and be connected, the dog is fixed to be set up in the pinion rack back.

As a further preference of the present invention, the bottom plate includes an upper plate and a lower plate, both ends of the upper plate and the lower plate are provided with connecting portions and connected by screws.

As a further preference of the utility model, the supporting leg is L shape and the quantity of supporting leg is 4 evenly distributed around the outer column.

As the utility model discloses a further preferred, the outer terminal plate of weight box is the open-close board, and the bottom of open-close board passes through the hinge rotation with the bottom plate of weight box to be connected, and the both sides of open-close board are equipped with joint fixed establishment.

Compared with the prior art, the utility model discloses can reach one in following beneficial effect at least:

1. 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.

2. The counterweight mechanism is arranged, so that counterweight can be carried out when an object is hoisted, the crane is not easy to incline, and the counterweight mechanism is simple in structure.

3. The counterweight plate is not required to be placed from the top end of the counterweight box, and the counterweight plate can be placed into the counterweight box only by opening the opening plate, so that labor is saved.

4. The counterweight plate clamping groove is formed, and after the counterweight plate is placed in the counterweight box, the counterweight plate is not prone to shaking.

Drawings

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

Fig. 2 is the schematic view of the internal structure of the rotating mechanism of the present invention.

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.

Specific example 1:

FIG. 1 shows a portable crane with a counterweight mechanism, which comprises a bottom plate 1, an outer column 6, a beam 9, an electric hoist 11, a counterweight box 17 and a counterweight plate 18, 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 connected with the outer column 6 in a welding way, the bottom of the supporting leg 2 is provided with a universal wheel 3, the electric hoist, the weight plate 18 with proper weight is arranged in the weight box 17 according to the weight of the lifted object, so that the crane can be prevented from inclining on the lifted object.

Specific 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.

Specific 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.

Specific 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.

Specific 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.

Specific 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.

Specific example 7:

on the basis of the above embodiment, another embodiment of the utility model is that, the outer end plate of weight box 17 is opening plate 17a, and opening plate 17 a's bottom passes through the hinge rotation with weight box 17's bottom plate 17b to be connected, and opening plate 17 a's both sides are equipped with joint fixed establishment.

The weight plate is not required to be placed into the top end of the weight box, the weight box can be placed into the weight plate only by opening the opening plate, labor is saved, and the clamping and fixing mechanism at the position can be any clamping mechanism in the existing market and belongs to the prior art.

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 and/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 and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a portable hoist with counter weight mechanism, includes bottom plate (1), outer column (6), crossbeam (9), electric block (11) and counter weight mechanism, 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 lower part of the outer stand column (6) is of a hollow structure, an inner stand column (7) is vertically and fixedly arranged in the center of the bottom plate (1), the hollow part at the lower part of the outer stand column (6) is sleeved on the inner stand column (7), a rotating mechanism (5) used for driving the outer stand column (6) to rotate around the inner stand column (7) is arranged on the bottom plate (1), the inner stand column (7) and the outer stand column (6) are arranged in the rotating mechanism (5) in a penetrating mode, the side wall of the outer stand column (6) is provided with supporting legs (2), the bottom of the supporting legs (2) is provided with universal wheels (3), a steel wire rope (13) is wound on the electric hoist (11), the steel wire rope (13) is connected with a lifting hook (14), the counterweight mechanism comprises a counterweight box (17) and a counterweight plate (18), the counterweight box (17) is fixed on one side of the outer stand, weight box (17) and wire rope (13) are located the relative both sides of outer stand (6) respectively, and the bottom of weight box (17) inner chamber is equipped with counterweight plate joint groove, and the shape size of counterweight plate joint groove horizontal cross-section is the same with the shape size of counterweight plate (18) horizontal cross-section, counterweight plate (18) are placed in weight box (17), and the bottom of counterweight plate (18) is pegged graft in counterweight plate joint inslot.

2. The portable crane with counterweight mechanism of claim 1, further comprising: 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 with counterweight mechanism of claim 1, further comprising: 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 with counterweight mechanism of claim 1, further comprising: 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 with counterweight mechanism of claim 1, further comprising: 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 with counterweight mechanism of claim 1, further comprising: 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).

7. The portable crane with counterweight mechanism of claim 1, further comprising: the outer end plate of the weight box (17) is an opening plate (17 a), the bottom of the opening plate (17 a) is rotatably connected with a bottom plate (17 b) of the weight box (17) through a hinge, and clamping and fixing mechanisms are arranged on two sides of the opening plate (17 a).