CN112320568A

CN112320568A - Balance adjusting mechanism for vertical lifting of travelling crane

Info

Publication number: CN112320568A
Application number: CN202011106619.2A
Authority: CN
Inventors: 韩俊满
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-02-05

Abstract

The invention relates to the technical field of hoisting travelling equipment, and discloses a balance adjusting mechanism for vertical lifting of a travelling crane, which comprises a track cross beam, wherein a traction mechanism is movably connected inside the track cross beam, a traction steel wire rope is wound inside the traction mechanism, the bottom end of the traction steel wire rope is fixedly provided with the balance adjusting mechanism, and the top of an inner cavity of the balance adjusting mechanism is fixedly provided with an annular deformation resistance wire. This a balance adjustment mechanism for driving a vehicle vertical lift to the setting of both ends hemisphere type structure about the supporting connection rod to the positional relationship of effective balanced balancing piece, when the liquid that fills takes place expend with heat and contract with cold in the balance adjustment mechanism inner chamber, the position height of balancing piece can not change, can only increase or reduce its buoyancy size that receives, and then make this balance adjustment mechanism all can ensure when the environment of difference moves that to the precision of its angular orientation detection time measuring when the atress slope.

Description

Balance adjusting mechanism for vertical lifting of travelling crane

Technical Field

The invention relates to the technical field of hoisting travelling crane equipment, in particular to a balance adjusting mechanism for vertical lifting of a travelling crane.

Background

The crane is used as a hoisting device which can not be used or can be used in a modern factory, the goods can be hoisted and moved in a certain stroke, the carrying, loading and unloading of the goods in the factory are greatly optimized, the production work efficiency of the factory is improved, and the labor amount and the labor intensity of workers are reduced.

However, the existing travelling crane structure is installed at the top of a factory and is higher than the ground, when a traction device in the travelling crane is used for lowering a traction steel wire rope to lift cargoes, the position of the travelling crane is adjusted by workers all around, so that the travelling crane is difficult to move right above the cargoes, the traction steel wire rope can fall vertically, the travelling crane always deflects at various angles when the suspended cargoes are lifted, the cargoes are lifted in the moment, the cargoes shake to a certain degree under the action of gravity, and unnecessary damage is easily caused by collision with other people or objects, so that the safety and reliability of the travelling crane structure in the using process are poor, and great potential safety hazards exist.

Disclosure of Invention

Technical problem to be solved

The invention provides a balance adjusting mechanism for vertical lifting of a travelling crane, which has the advantages of automatically adjusting the position of the travelling crane when the travelling crane lifts a cargo to ensure that the travelling crane is in a vertical state with the cargo on the ground, ensuring that the travelling crane does not shake when the cargo is lifted, and having higher safety and stability, and solves the problems that the existing travelling crane structure is arranged at the top of a factory and has higher position away from the ground, when a traction device is used for lowering down a traction steel wire rope to lift the cargo, the travelling crane is difficult to move right above the cargo due to the fact that the position of the travelling crane is adjusted by front, back, left and right of a worker, so that the traction steel wire rope can vertically fall down, the travelling crane always deflects at various angles when the suspended cargo is lifted, and the cargo shakes to a certain degree under the action of gravity at the moment of lifting the cargo, the safety and reliability of the automobile seat are poor in use process, and the problem of great potential safety hazard exists.

(II) technical scheme

The invention provides the following technical scheme: a balance adjustment mechanism for vertical lifting of a travelling crane comprises a track beam, wherein a traction mechanism is movably connected inside the track beam, a traction steel wire rope is wound inside the traction mechanism, a balance adjustment mechanism is fixedly installed at the bottom end of the traction steel wire rope, a lifting hook is connected to the bottom of the outer surface of the balance adjustment mechanism in a pin mode, an annular resistance wire is fixedly installed at the top of the inner cavity of the balance adjustment mechanism, one end of the annular resistance wire is electrically connected with the inside of a detection device fixedly installed on one side of the top of the outer surface of the balance adjustment mechanism, a sliding rail is arranged on the inner wall of the balance adjustment mechanism, a balance block is movably sleeved in the middle of the inner cavity of the balance adjustment mechanism, a sliding groove is formed in the outer surface of the balance block, the inside of the sliding groove is movably clamped with, the top end of the supporting connecting rod is contacted with the top of the inner wall of the balance adjusting mechanism through the annular deformation resistance wire, the bottom end of the supporting connecting rod is contacted with the bottom of the inner wall of the balance adjusting mechanism, an induction contact is fixedly installed at the top of the outer surface of the supporting connecting rod, and the inside of the induction contact is electrically connected with the inside of the detection device.

Preferably, the interior of the balance adjustment mechanism is a spherical cavity structure, and a half volume of liquid is filled in the inner cavity of the balance adjustment mechanism.

Preferably, the outer surface of the balance weight is a curved surface structure, the curved surface track of the balance weight is along the track of the inner wall of the balance adjusting mechanism, and the density of the balance weight is less than that of the liquid filled in the inner cavity of the balance adjusting mechanism.

Preferably, the upper end and the lower end of the support connecting rod are both of hemispherical structures, and the distance between the tops of the outer surfaces of the two groups of hemispherical structures is equal to the inner diameter of the balance adjusting mechanism.

(III) advantageous effects

The invention has the following beneficial effects:

1. the balance adjusting mechanism for vertical lifting of a travelling crane is characterized in that through the arrangement of the balance adjusting mechanism and the liquid floating balance block filled in the inner cavity of the balance adjusting mechanism, when the balance adjusting mechanism is inclined under the influence of traction steel wire rope and gravity of a heavy object, the balance block floating by body fluid in the inner cavity of the balance adjusting mechanism is not influenced and always kept in a vertical state, so that an induction contact fixedly arranged on the balance block is contacted with an annular varistor wire at the top of the inner cavity of the balance adjusting mechanism at different positions, and a circuit on a detection device is connected to generate currents with different magnitudes, and simultaneously, the detected current signal is converted into a digital signal to be fed back to the traction mechanism and is moved right above the heavy object, so that the detection device does not generate a current signal any more, and further the phenomenon that the traction mechanism does not shake due to the inclination of the traction steel wire rope when the heavy object, the safety and the reliability of the crane during hoisting of heavy objects are effectively improved.

2. This a balance adjustment mechanism for driving a vehicle vertical lift to the setting of both ends hemisphere type structure about the supporting connection rod to the positional relationship of effective balanced balancing piece, when the liquid that fills takes place expend with heat and contract with cold in the balance adjustment mechanism inner chamber, the position height of balancing piece can not change, can only increase or reduce its buoyancy size that receives, and then make this balance adjustment mechanism all can ensure when the environment of difference moves that to the precision of its angular orientation detection time measuring when the atress slope.

3. This a balance adjustment mechanism for driving vertical lift, to the setting of spout on slide rail and the balancing piece on the balance adjustment mechanism, make the balancing piece and structural support connecting rod and the inductive contact on it can keep definite position relation with between the annular varistor silk, in order effectively accurately to regulate and control detection device's zero point position, in order to prevent effectively that the balancing piece from taking place axial rotation at this driving in-process and causing detection device to the change of contact zero point position, thereby lead to the contact point between inductive contact and the annular varistor silk and draw the predetermined value that set up when wire rope inclines in different position to produce the difference, and then cause its great phenomenon of detection error, further improve this balance adjustment mechanism's reliability and precision.

Drawings

FIG. 1 is a schematic view of the installation of the structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the balance adjustment mechanism of the present invention;

FIG. 3 is an enlarged schematic view of the invention at point A in FIG. 2;

FIG. 4 is a schematic view of a counterbalance and a structure thereon according to the present invention.

In the figure: 1. a rail beam; 2. a traction mechanism; 3. a traction wire rope; 4. a balance adjustment mechanism; 5. a hook; 6. annularly deforming and blocking the wire; 7. a detection device; 8. a slide rail; 9. a counterbalance; 10. a chute; 11. a support link; 12. an inductive contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a balance adjustment mechanism for vertical lifting of a traveling crane comprises a track beam 1, a traction mechanism 2 is movably connected inside the track beam 1, a traction steel wire rope 3 is wound inside the traction mechanism 2, a balance adjustment mechanism 4 is fixedly installed at the bottom end of the traction steel wire rope 3, a hook 5 is pinned at the bottom of the outer surface of the balance adjustment mechanism 4, an annular resistance wire 6 is fixedly installed at the top of the inner cavity of the balance adjustment mechanism 4, one end of the annular resistance wire 6 is electrically connected with the inside of a detection device 7 fixedly installed at one side of the top of the outer surface of the balance adjustment mechanism 4, a slide rail 8 is arranged on the inner wall of the balance adjustment mechanism 4, a balance block 9 is movably sleeved at the middle part of the inner cavity of the balance adjustment mechanism 4, a slide groove 10 is formed on the outer surface of the balance block 9, the inside of the slide groove 10 is movably, the top end of the supporting connecting rod 11 penetrates through the annular deformation resistance wire 6 to be in contact with the top of the inner wall of the balance adjusting mechanism 4, the bottom end of the supporting connecting rod 11 is in contact with the bottom of the inner wall of the balance adjusting mechanism 4, an induction contact 12 is fixedly installed at the top of the outer surface of the supporting connecting rod 11, and the inside of the induction contact 12 is electrically connected with the inside of the detection device 7.

The arrangement of the slide rail 8 on the balance adjusting mechanism 4 and the slide groove 10 on the balance weight 9 enables the balance weight 9, the structural support connecting rod 11 and the inductive contact 12 thereon to maintain a definite position relation with the annular varistor wire 6, so as to effectively and accurately regulate and control the zero position of the detection device 7, and prevent the balance weight 9 from axially rotating in the driving use process, thereby causing the zero position of the detection device 7 to change and causing a large detection error.

In the technical scheme, the inside of the balance adjusting mechanism 4 is designed to be a spherical cavity structure, and a half volume of liquid is filled in the inner cavity of the balance adjusting mechanism 4.

In the technical scheme, the outer surface of the balance weight 9 is of a curved surface structure, the curved surface track of the balance weight is along the track of the inner wall of the balance adjusting mechanism 4, and the density of the balance weight 9 is smaller than that of the liquid filled in the inner cavity of the balance adjusting mechanism 4.

Wherein, for the arrangement of the spherical cavity inside the balance adjusting mechanism 4 and the liquid filled inside the spherical cavity, when the balance adjusting mechanism 4 utilizes the traction steel wire rope 3 and the hook 5 to pull a weight suspended by a cable, the traction steel wire rope 3 can be straightened under the action of the gravity of the weight, if the traction mechanism 2 is right above the weight, the traction steel wire rope 3 is in a vertical state, if the traction mechanism 2 is not right above the weight, the traction steel wire rope 3 can be inclined, and simultaneously, when the hook 5 is inclined along with the traction steel wire rope 3, the liquid level of the liquid filled in the inner cavity of the balance adjusting mechanism 4 can not be changed under the influence of the gravity, so that the balance weight 9, the support connecting rod 11 and the inductive contact 12 on the balance adjusting mechanism can be kept in a vertical state all the time and are in contact with the annular rheostatic wire 6, and the circuit in the detecting device 7 is switched on and generates, and then the inclination size and direction of the traction steel wire rope 3 are detected and fed back to the traction mechanism 2 to be automatically adjusted to be right above the heavy object.

The arrangement of the curved surface structure track and the density of the balance weight 9 can stably and effectively float on the liquid level in the inner cavity of the balance adjusting mechanism 4, and can freely and flexibly slide along the inner wall of the balance adjusting mechanism 4 without generating large friction resistance, so that the sensitivity of the balance adjusting mechanism is effectively improved.

In the technical scheme, the upper end and the lower end of the support connecting rod 11 are both set to be hemispherical structures, and the distance between the tops of the outer surfaces of the two groups of hemispherical structures is equal to the inner diameter of the balance adjusting mechanism 4.

Wherein, to the setting of support connecting rod 11 upper and lower both ends hemisphere type structure to effective balance weight 9's positional relation, when taking place expend with heat and contract with cold in the liquid that fills in balance adjustment mechanism 4 inner chamber, balance weight 9's position height can not change, can only increase or reduce its buoyancy size that receives, has further improved the precision that this balance adjustment mechanism detected angle and direction when the atress inclines to traction wire rope 3.

The use method and the working principle of the embodiment are as follows:

when the traction mechanism 2 is positioned right above the heavy object, when the travelling crane utilizes the traction mechanism 2 to draw the heavy object, the traction steel wire rope 3 can keep a vertical state, so that the balance weight 9 floating on the liquid filled in the inner cavity of the balance adjusting mechanism 4 and the supporting connecting rod 11 thereon can keep a parallel state with the traction steel wire rope 3, the induction contact 12 and the annular varistor wire 6 can not be contacted, the current signal fed back to the detection device 7 is always zero, so that the traction mechanism 2 can keep a corresponding state and can not move, and the traction mechanism 2 is directly started to draw and suspend the heavy object hung on the lifting hook 5;

when the traction mechanism 2 is not positioned right above the weight, when the traction mechanism 2 is utilized to pull the weight, one end of the traction steel wire rope 3 is pulled by the traction mechanism 2, and the other end of the traction steel wire rope 3 is inclined due to the influence of the gravity of the weight, so that the balance adjusting mechanism 4 fixedly installed on the traction steel wire rope 3 is inclined, meanwhile, the liquid level and the balance block 9 floating on the liquid level cannot be inclined due to the influence of the gravity of the liquid filled in the inner cavity of the balance adjusting mechanism 4, so that the balance block 9 and the sliding groove 10 on the balance block 9 can always keep a vertical state, and the inclined angle of the traction steel wire rope 3 is larger along with the farther the deviation position of the traction mechanism 2, so that after the traction steel wire rope 3 is inclined to a certain angle, the induction contact 12 on the support connecting rod 11 and the annular deformation resistance wire 6 fixedly installed on the top of the inner cavity of the balance adjusting mechanism 4 are The contact is generated between the two parts, so that a current loop on the detection device 7 is connected, the resistance value of the annular resistance wire 6 connected is different due to the difference of the contact positions, the current connected in the circuit of the detection device 7 is different, the detected current signal is converted into a digital signal and fed back to the traction mechanism 2, the position of the traction mechanism 2 is accurately and timely moved right above the weight, the detection device 7 does not generate the current signal any more according to the description, and then the traction mechanism 2 is started to pull and suspend the weight hung on the lifting hook 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a balanced guiding mechanism for driving a vehicle vertical lift, includes track crossbeam (1), the inside swing joint of track crossbeam (1) has drive mechanism (2), the inside winding of drive mechanism (2) has traction wire rope (3), and traction wire rope's (3) bottom fixed mounting has balanced guiding mechanism (4), the bottom pin joint of balanced guiding mechanism (4) surface has lifting hook (5), its characterized in that: the top of the inner cavity of the balance adjusting mechanism (4) is fixedly provided with an annular deformation resistance wire (6), one end of the annular deformation resistance wire (6) is electrically connected with the inside of a detection device (7) fixedly arranged on one side of the top of the outer surface of the balance adjusting mechanism (4), the inner wall of the balance adjusting mechanism (4) is provided with a slide rail (8), the middle part of the inner cavity of the balance adjusting mechanism (4) is movably sleeved with a balance block (9), the outer surface of the balance block (9) is provided with a slide groove (10), the inside of the slide groove (10) is movably clamped with the outer surface of the slide rail (8), the inside of the balance block (9) is fixedly sleeved with a support connecting rod (11), the top end of the support connecting rod (11) penetrates through the annular deformation resistance wire (6) to be contacted with the top of the inner wall of the balance adjusting mechanism (4), and the bottom end of the support connecting rod, an induction contact (12) is fixedly mounted at the top of the outer surface of the support connecting rod (11), and the inside of the induction contact (12) is electrically connected with the inside of the detection device (7).

2. A balance adjustment mechanism for vertical lift of a traveling crane according to claim 1, wherein: the balance adjusting mechanism (4) is internally designed to be of a spherical cavity structure, and a half volume of liquid is filled in an inner cavity of the balance adjusting mechanism (4).

3. A balance adjustment mechanism for vertical lift of a traveling crane according to claim 1, wherein: the outer surface of the balance block (9) is of a curved surface structure, the curved surface track of the balance block is along the track of the inner wall of the balance adjusting mechanism (4), and meanwhile the density of the balance block (9) is smaller than that of liquid filled in the inner cavity of the balance adjusting mechanism (4).

4. A balance adjustment mechanism for vertical lift of a traveling crane according to claim 1, wherein: the upper end and the lower end of the support connecting rod (11) are both arranged to be of hemispherical structures, and the distance between the tops of the outer surfaces of the two groups of hemispherical structures is equal to the inner diameter of the balance adjusting mechanism (4).