CN201250069Y

CN201250069Y - Counterweight self-balancing crane

Info

Publication number: CN201250069Y
Application number: CNU2008201043856U
Authority: CN
Inventors: 曾祖俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-07-16
Filing date: 2008-07-16
Publication date: 2009-06-03
Anticipated expiration: 2018-07-16

Abstract

The utility model relates to a counterweight self-balancing crane comprising a base, an upright post, a boom, a ballast carrier and an equalizing frame, wherein a plurality of universals are arranged under the base, the upright post is movably connected with the base through a flange provided with a rolling bearing, the equalizing frame is horizontally arranged, comprises a guide and a guide pipe and is fixedly connected with the flange. The ballast carrier comprises a weight box and a power control box and is arranged on the guide of the equalizing frame, wherein an electromotor, a speed reducer and a capstan engine are fixedly arranged on the power control box, the ballast carrier and the guide pipe realize the spacing connection through a collar, an external wheel connecting shaft of the ballast carrier is connected with one end of the equalizing frame near the upright post through a plurality of groups of tension springs, fixed pulleys are arranged on the end of the equalizing frame far away from the upright post and the both ends of the upper portion of the boom, and a steel wire is connected with a capstan engine wire and a lighting hook cylinder through the fixed pulleys. The crane better realizes the weight self-balancing through utilizing the characteristics of the tension springs that the springs is stretched under the force and then is automatically reset, which enables the crane body to be light and materials to be saved, and crane has the advantages that the structure is simple, the cost is low, and the operation is easy and simple.

Description

Counterweight self-equalizing suspension transferring machine

Technology neck city

The present invention relates to a kind of hoisting hook shipping unit, be specifically related to a kind of by tension spring realization suspended object and counterweight self-equalizing hoisting hook shipping unit in a basic balance.

Background technology

At present, the common suspension transferring machine that lifting cargo uses, mainly be weight or fixed weight guarantee the to sling object of constant weight by self, normally form by headstock, column, suspension rod, pulley, suspension hook and control mechanism, column uprightly is fixed on the suspension transferring machine base, headstock also is to be fixed on the base, is made of electrical motor, drop-gear box and winch.When lifting cargo weight is big, need the counterweight on the multiple increasing suspension transferring machine base or rely on external force to adjust the position of clump weight, suspension transferring machine could safety lifting, clearly have that the suspension transferring machine deadweight is big, base takes up an area of broad, materials used is many, move and operate defectives such as inconvenience.

In recent years, there is document to disclose some and utilizes the lever mechanics principle, will lift by crane the weight transmitting of thing self by certain mechanism and give mass, change the counterweight distance of mass, thereby realize the device of counterweight self-equalizing lifting cargo.

As Chinese patent application number: 200410043985.2, applicant: Wan Weirou, open day: on March 30th, 2005, publication number: CN1600669A, a kind of automatic weighing crane equipment is disclosed, its cardinal principle is to utilize the lever mechanics principle, the central part kinematic support that makes horizontal arm is on the hoisting crane column, arm lift heavy end sinks when lifting, the arm other end rises, draw high the mass that is positioned at the arm opposite side by steel rope along certain angle, play weight and mass lever balance, thereby realize lifting.

China Patent No.: ZL200510010544.7 and for example, patentee: Wan Weirou, Granted publication day: on July 9th, 2008, Granted publication number: CN100400409C, a kind of hydraulic automatic balanced crane installment is disclosed, its cardinal principle is also to be to utilize the lever mechanics principle, when the arm lifting, arm one end moves down, the pressure that arm is pressed down by the hydraulic gear that is installed on the hoisting crane column conducts to the mass that is positioned at the arm opposite side, mass is raised along certain angle, plays weight and mass lever balance, thereby realize lifting.

The disclosed two kinds of hoisting device of above-mentioned document have well been realized the counterweight self-equalizing, but have also been had certain deficiency, as complex structure, and the matching requirements height, the cost cost is more high.

The utility model content

The utility model is at the deficiencies in the prior art, purpose be to provide a kind of simple in structure, with low cost, operation is simple and easy, fuselage is light, can arbitrarily move place adaptable counterweight self-equalizing suspension transferring machine.

The utility model is achieved in that

A kind of counterweight self-equalizing suspension transferring machine is made up of base, column, arm and weight vehicle and equalizer bar, it is characterized in that horizontal mesh structure that base is welded into by steel and vertically triangular structure form, the below of base is provided with several cardan wheels; Column is vertically fixed on the suspension transferring machine base, and column and base junction can rotate freely by the flange that is provided with antifriction-bearing box, and a side roof part of column is equipped with the triangle arm, and the opposite side of column is provided with equalizer bar by the bottom; Equalizer bar is and is horizontally disposed with, and is made up of two parallel guide rail and a guide pipe, and equalizer bar one end is captiveed joint with the flange of base junction with column; Weight vehicle is made up of weight box and headstock, be placed on the equalizer bar guide rail, headstock is mounted with electrical motor, reductor, winch, and the wheel connecting shaft of weight vehicle is realized spacing the connection by the ring set of vertical links and connecting rod lower end with guide pipe, prevents that weight vehicle from wandering off on guide rail; Weight vehicle links to each other by some groups of tension springs with the end that equalizer bar is fixed in column by the wheel connecting shaft of headstock side-lower; Equalizer bar is provided with fixed pulley away from an end and the arm both upper ends thereof of column; Suspension hook is suspended under the arm by linking to each other with steel rope, and links to each other with the winch rope roll by above-mentioned fixed pulley.

The part that the utility model do not illustrate in detail all can adopt existing routine techniques to realize.

The utility model has the advantages that:

The utility model has utilized the stressed stretching and the automatically reset characteristic of tension spring cleverly, the deadweight that makes full use of engine installation simultaneously realizes less counterweight, realize counterweight balance preferably, saved the material that the overhead hoist base is used for counterweight, make the base miniaturization, the lighter province of suspension transferring machine material, simple in structure, the manufacturing cost of installation is low, and is easy and simple to handle.The cardan wheel of base makes suspension transferring machine to move easily simultaneously, and the place comformability strengthens greatly.In addition, utilize existing Electromechanical Control technology, can match safety controls such as limitation travel switch is installed, can well realize safe and reliable handling.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that the A of Fig. 1 is to scheme drawing.

Fig. 3 is that the B of Fig. 1 is to scheme drawing.

Fig. 4 is that the C of Fig. 1 is to scheme drawing.

Fig. 5 is that the D of Fig. 1 is to scheme drawing.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is further specified.

With reference to accompanying drawing, the utility model is made up of base 1, column 2, arm 3, equalizer bar 4 and weight vehicle 5.Base 1 bottom is equipped with 4 cardan wheels 11.Column 2 and base 1 junction are provided with the flange 12 of built-in antifriction-bearing box, and 4 two guide rails 41 of equalizer bar and a guide pipe 42 are formed; Weight vehicle 5 is made up of weight box 51 and headstock 52, and headstock 52 is mounted with electrical motor, reductor, winch, and wheel 53 connecting shafts 54 of weight vehicle 5 are realized spacing the connection by the ring set 56 of vertical links 55 and connecting rod 55 lower ends with guide pipe 42; Weight vehicle 5 links to each other by 3 groups of tension springs 6 with the end that equalizer bar 4 is fixed in column by the wheel connecting shaft of headstock 52 side-lowers; Equalizer bar is provided with fixed pulley 7 away from an end and the arm both upper ends thereof of column; Suspension hook 9 is suspended from arm 3 times by linking to each other with steel rope 8, and links to each other with the winch rope roll by above-mentioned fixed pulley 7.

Working process of the present utility model is as follows:

When the suspension transferring machine lifting cargo, the gravity of goods 10 impels weight vehicle 5 to move toward column 2 far-ends on the guide rail 41 of equalizer bar 4 by the draw of steel rope 8, and passes through the position-limiting action of guide pipe 42, make weight vehicle 5 can not wander off on guide rail 41, tension spring 6 is stretched.According to the weight size of goods 10, can in weight box 51, suitably place the counterweight material.The power that is subjected to when spring 6 reaches balance when equating with the gravity of goods 10, and weight vehicle 5 stops to move, and the winch rope roll rotates, by steel rope 8, pulley 7, suspension hook 9 effect lifting cargos 10.Because the flange 12 between base 1 and the column 2 flexibly connects, and tries hard to recommend outside under the moving situation, arm 3 can freely rotate, and can easily the destination be arrived in lifting cargo 10 handlings.Under the effect of reductor, goods 10 can drop to the destination gently, and the spring 6 that does not hang thing 10 actions of gravity restores to the original state automatically, and weight vehicle 5 is return thereupon.Along with the increase of lifting cargo 10 weight, the pulling force that spring 6 is subjected to is big more, and weight vehicle 5 shifts out far away more, remains the balance of gravity and spring 6 pulling force, and suspension transferring machine is realized the balance trouble free service.

Claims

1, a kind of counterweight self-equalizing suspension transferring machine comprises base (1), column (2) and arm (3), it is characterized in that also including weight vehicle (5) and equalizer bar (4); Base (1) is made up of horizontal mesh structure and vertical triangular structure that steel are welded into, and the below of base (1) is provided with several cardan wheels (11); Column (2) is vertically fixed on the suspension transferring machine base (1), column (2) can rotate freely by the flange (12) that is provided with antifriction-bearing box with base (1) junction, one side roof part of column (2) is equipped with triangle arm (3), and the opposite side of column (2) is provided with equalizer bar (4) by the bottom; Equalizer bar (4) is and is horizontally disposed with, and is made up of a two parallel guide rail (41) and a guide pipe (42), and equalizer bar (4) one ends are captiveed joint with flange (12); Weight vehicle (5) is made up of weight box (51) and headstock (52), be placed on the guide rail (41) of equalizer bar (4), headstock (52) is mounted with electrical motor, reductor, winch, wheel (53) connecting shaft (54) of weight vehicle (5) is realized spacing the connection by the ring set (56) of vertical links (55) and connecting rod (55) lower end with guide pipe (42), prevents that weight vehicle (5) from wandering off on guide rail (41); Weight vehicle (5) links to each other by some groups of tension springs (6) with the end that equalizer bar (4) is fixed in column (2) by the wheel connecting shaft of headstock (52) side-lower; Equalizer bar (4) is provided with fixed pulley (7) away from an end and arm (3) both upper ends thereof of column (2); Suspension hook (9) is suspended under the arm (3) by linking to each other with steel rope (8), and links to each other with the winch rope roll by above-mentioned fixed pulley (7).