CN113233313A

CN113233313A - Crane capable of automatically stabilizing hoisted object

Info

Publication number: CN113233313A
Application number: CN202110397614.8A
Authority: CN
Inventors: 谢柏红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-08-10

Abstract

The invention relates to the technical field of cranes and discloses a crane capable of automatically and stably lifting a lifted object, which comprises a lifting rope, wherein an adjusting box is arranged inside the lifting rope, a supporting spring is fixedly connected to the inner top wall of the adjusting box, an inertia block is fixedly connected to the bottom of the supporting spring, a lever is rotatably connected to the inside of the inertia block, the bottom of the lever is rotatably connected with a cross rod, the bottom of the cross rod is slidably connected with an extrusion toothed rod, the side surface of an adjusting wheel is engaged and connected with a bearing toothed plate, a sliding block is fixedly connected to the bottom of the bearing toothed plate, a sliding rod is slidably connected to the side surface of the sliding block, and connecting rods are fixedly connected to two sides of the sliding rod. This can automatic stabilization lift hoist of thing uses through the cooperation of supporting spring and inertia piece to reached when adjusting the heavy object position, prevented the heavy object and taken place the swing, prevented the effect that collision accident took place.

Description

Crane capable of automatically stabilizing hoisted object

Technical Field

The invention relates to the technical field of cranes, in particular to a crane capable of automatically stabilizing hoisted objects.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a gantry crane, a crane and a tire crane, and is mainly characterized in that: the running cab and the crane control cab are integrated into a whole and are formed by the evolution of a crawler crane, the crawler and the walking bracket part of the walking mechanism are changed into a chassis with tires, the defect that the crawler plate of the crawler crane damages the road surface is overcome, and the crawler crane belongs to material handling machinery.

When lifting by crane the heavy object, the direction of heavy object constantly is adjusted through the control chamber to the needs, however when adjusting the heavy object position, regulation speed is difficult to control, when the heavy object was adjusted at the non-uniform velocity, just can lead to the heavy object swing to appear, and the wobbling heavy object can deviate the assigned position temporarily, can collide with the equipment that receives the heavy object even, causes accident.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the crane capable of automatically and stably lifting objects, which has the advantages of preventing the weight from swinging when the position of the weight is adjusted, preventing collision accidents from happening and the like, and solves the problem that the conventional crane is difficult to prevent the weight from swinging when the position of the weight is adjusted, and the collision accidents can possibly happen.

(II) technical scheme

In order to achieve the purposes of preventing the heavy object from swinging and preventing collision accidents when the position of the heavy object is adjusted, the invention provides the following technical scheme: a crane capable of automatically and stably lifting objects comprises a lifting rope, wherein an adjusting box is arranged inside the lifting rope, a supporting spring is fixedly connected to the inner top wall of the adjusting box, an inertia block is fixedly connected to the bottom of the supporting spring, a lever is rotatably connected to the inside of the inertia block, a cross rod is rotatably connected to the bottom of the lever, an extrusion toothed bar is slidably connected to the bottom of the cross rod, an ejector rod is slidably connected to the side surface of the extrusion toothed bar, a rotating shaft is meshed with the side surface of the ejector rod, a plugging plate is fixedly connected to the bottom of the rotating shaft, a guide pipe is slidably connected to the side surface of the plugging plate, a push rod is slidably connected to the inside of the guide pipe, an air box is fixedly connected to one side of the guide pipe, which is far away from the extrusion toothed bar, a hose is fixedly connected to the side surface of the air box, an air spring is fixedly connected to the side surface of the hose, which is far away from the air box, and is meshed with an adjusting wheel below the air spring, the side meshing of regulating wheel is connected with accepts the pinion rack, the bottom fixedly connected with slider of accepting the pinion rack, the side sliding connection of slider has the slide bar, the both sides fixedly connected with connecting rod of slide bar.

Preferably, the bottom of the sliding block is fixedly connected with a lifting hook.

Preferably, the bottom of regulating box has seted up the arc hole, is passed by the extrusion ratch, makes the regulating box can not die rather than the card when the push rod promotes the extrusion ratch.

Preferably, the inside of lever is provided with buffer spring, prevents that the dead lever that sets up with the lever side from taking place the joint when horizontal pole horizontal migration.

Preferably, the side surface of the lever is rotatably connected with a support rod, and is rotatably connected with the middle part of the lever.

Preferably, the closure panel is initially in a condition in which the conduit is open.

Preferably, the bottom of the cross rod is provided with a protrusion, the protrusion is initially in non-extrusion contact with the top of the extrusion rack, and the extrusion rack is extruded and moved downwards by the protrusion of the push rod when the cross rod moves.

Preferably, the side surface of the sliding block is provided with a return spring and is connected with one side of the connecting rod.

(III) advantageous effects

Compared with the prior art, the invention provides the crane capable of automatically stabilizing the hoisted object, which has the following beneficial effects:

1. this can automatic stabilization lift crane of thing uses through the cooperation of supporting spring with the inertia piece, when lifting by crane the heavy object, hangs the heavy object on the lifting hook, lifts by crane the heavy object through the lifting rope afterwards, is operating the position of adjusting the heavy object.

When adjusting the position of heavy object, need be through the position of adjusting the lifting rope earlier, the rethread lifting rope changes the position of heavy object, when the position at the adjustment lifting rope, when the lifting rope removes with higher speed, the inertia piece of regulating box inside is under the effect of inertial force, take place the displacement for the regulating box, and then the top of the lever that drives the bottom removes, because the side of lever is provided with branch, and rotate with lever side middle part and be connected, therefore the horizontal pole that the lever drove the bottom removes for the regulating box, because the side of horizontal pole is provided with the fixed block, therefore the horizontal pole carries out horizontal migration.

Because the bottom at the horizontal pole is provided with the arch, and at the initial top sliding connection with the extrusion ratch, so when the horizontal pole removes, the extrusion ratch is by extrusion removal downwards, produce meshing transmission with the regulating wheel of below, pivoted regulating wheel produces meshing transmission with accepting the pinion rack, and then drive the slider and slide at the slide bar surface, and gliding direction is opposite with the direction that inertia piece removed for the regulating box, consequently the slider drives the bottom lifting hook and removes for the regulating box, offset the swing distance that inertia force produced the lifting rope, make the heavy object on the lifting hook remain steady throughout, thereby reached when adjusting the heavy object position, prevent that the heavy object from taking place the swing, the effect that the accident of collision takes place.

2. The crane capable of automatically and stably lifting objects is matched with the push rod through the air box, when the extrusion rack bar is extruded to move downwards, the protrusion on the side surface can extrude and push the top rod, the push rod moves to generate meshing transmission with the rotating shaft, the rotating shaft rotates to drive the plugging plate at the bottom to rotate, the catheter opened at one side is plugged, the tooth bar is extruded along with the extrusion, the air spring inside the air box is extruded to shrink, the air inside the air box enters the air box through the hose, the air pressure inside the air box is increased, under the action of air pressure, the push rod in the catheter which is not blocked by the blocking plate is extruded and moved, pushing the other side of the gear rod which is not extruded to make the gear rod which is not extruded deflect and temporarily disengage from the adjusting wheel, therefore, the effect that when the swing of the lifting hook is prevented through the adjusting wheel, the adjusting wheel on the other side is prevented from being continuously meshed with the extrusion toothed bar to prevent the carrying toothed plate from moving is achieved.

Drawings

FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a structural adjustment box of the present invention;

FIG. 3 is a schematic view of the connecting mechanism of the present invention and the bearing toothed plate;

FIG. 4 is a schematic view of the connecting mechanism of the present invention and the extrusion rack bar.

In the figure: 1-lifting rope, 2-adjusting box, 3-supporting spring, 4-inertia block, 5-lever, 6-cross bar, 7-extrusion toothed bar, 8-ejector bar, 9-rotating shaft, 10-plugging plate, 11-conduit, 12-push bar, 13-air box, 14-hose, 15-air spring, 16-connecting bar, 17-sliding bar, 18-sliding block, 19-adjusting wheel, 20-bearing toothed plate and 21-lifting hook.

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 crane capable of automatically and stably lifting objects comprises a lifting rope 1, an adjusting box 2 is arranged inside the lifting rope 1, the adjusting box 2 is made of stainless steel, which can effectively prevent equipment from being corroded, greatly prolong the service life of the equipment, reduce the production cost, and play an indispensable role for enterprises, an arc-shaped hole is formed at the bottom of the adjusting box 2 and is penetrated by an extrusion toothed bar 7, when a push rod 12 pushes the extrusion toothed bar 7, the adjusting box 2 cannot be blocked with the extrusion toothed bar, a supporting spring 3 is fixedly connected with the inner top wall of the adjusting box 2, an inertia block 4 is fixedly connected with the bottom of the supporting spring 3, a lever 5 is rotatably connected inside the inertia block 4, a supporting rod is rotatably connected with the side face of the lever 5 and rotatably connected with the middle part of the lever 5, a buffer spring is arranged inside the lever 5 to prevent the horizontal moving of a cross rod 6 from being blocked with a fixing rod arranged on the side face of the lever 5, the bottom of the lever 5 is rotatably connected with a cross rod 6, the bottom of the cross rod 6 is provided with a bulge and is in non-extrusion force contact with the top of an extrusion toothed bar 7 initially, a push rod 12 bulges to extrude and move the extrusion toothed bar 7 downwards when the cross rod 6 moves, the bottom of the cross rod 6 is slidably connected with the extrusion toothed bar 7, the side surface of the extrusion toothed bar 7 is slidably connected with a push rod 8, the side surface of the push rod 8 is in meshing connection with a rotating shaft 9, the bottom of the rotating shaft 9 is fixedly connected with a plugging plate 10, the plugging plate 10 is in a state of opening a conduit 11 initially, the side surface of the plugging plate 10 is slidably connected with a conduit 11, the inner part of the conduit 11 is slidably connected with the push rod 12, one side of the conduit 11 far away from the extrusion toothed bar 7 is fixedly connected with an air tank 13, the side surface of the air tank 13 is fixedly connected with a hose 14, one side of the hose 14 far away from the air tank 13 is fixedly connected with an air spring 15, the side surface of the extrusion toothed bar 7 and below the air spring 15 is in meshing connection with an adjusting wheel 19, the side meshing of regulating wheel 19 is connected with accepts pinion rack 20, and the material that accepts pinion rack 20 is the stainless steel, can prevent effectively that equipment from being corroded, accepts the bottom fixedly connected with slider 18 of pinion rack 20, and the side of slider 18 is provided with reset spring, and is connected with connecting rod 16 one side, and the side sliding connection of slider 18 has slide bar 17, slide bar 17's both sides fixedly connected with connecting rod 16, the bottom fixedly connected with lifting hook 21 of slider 18.

When a heavy object is lifted by a crane, the heavy object is hung on the hook 21, and then the heavy object is lifted by the lifting rope 1, and the position of the heavy object is adjusted while the operation is performed.

When adjusting the position of heavy object, need be through the position of adjusting lifting rope 1 earlier, the position of rethread lifting rope 1 change heavy object, when the position at adjustment lifting rope 1, when lifting rope 1 carries out acceleration rate and moves, 2 inside inertia blocks 4 of regulating box are under the effect of inertial force, take place the displacement for regulating box 2, and then drive the top removal of the lever 5 of bottom, because the side of lever 5 is provided with branch, and rotate with 5 side middle parts of lever and be connected, consequently lever 5 drives the horizontal pole 6 of bottom and moves for regulating box 2, because the side of horizontal pole 6 is provided with the fixed block, consequently horizontal pole 6 carries out the horizontal migration.

Because the bottom of the cross rod 6 is provided with the bulge and is in sliding connection with the top of the extrusion toothed bar 7 at the beginning, when the cross rod 6 moves, the extrusion toothed bar 7 is extruded downwards to move and is in meshing transmission with the lower adjusting wheel 19, the rotating adjusting wheel 19 and the bearing toothed plate 20 are in meshing transmission, and then the sliding block 18 is driven to slide on the surface of the sliding rod 17, and the sliding direction is opposite to the moving direction of the inertia block 4 relative to the adjusting box 2, so the sliding block 18 drives the bottom hook 21 to move relative to the adjusting box 2, the swinging distance of the inertia force to the lifting rope 1 is offset, the heavy object on the hook 21 is always kept stable, and the effects of preventing the heavy object from swinging and preventing collision accidents from happening when the position of the heavy object is adjusted are achieved.

When the extrusion toothed bar 7 is extruded to move downwards, the protrusion on the side surface can extrude and push the ejector rod 8, the push rod 12 moves to generate meshing transmission with the rotating shaft 9, the rotating shaft 9 rotates to drive the plugging plate 10 at the bottom to rotate, the conduit 11 with one side open is plugged, along with the extrusion toothed bar 7 being extruded, the air spring 15 inside the air chamber is compressed, the air inside the air chamber enters the air chamber 13 through the hose 14, the air pressure inside the air chamber 13 increases, under the action of the air pressure, the push rod 12 in the conduit 11 which is not blocked by the blocking plate 10 is pressed and moved, pushing the other side of the extrusion rack bar 7 which is not extruded, deflecting the extrusion rack bar 7 which is not extruded, temporarily disengaging from the adjusting wheel 19, the effect of preventing the other side adjusting wheel 19 from continuously engaging with the pressing toothed bar 7 to prevent the carrying toothed plate 20 from moving when the lifting hook 21 is prevented from swinging by the adjusting wheel 19 is achieved.

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. A crane capable of automatically stabilizing a hoisted object comprises a hoisting rope (1), and is characterized in that: the lifting rope is characterized in that an adjusting box (2) is arranged inside the lifting rope (1), a supporting spring (3) is fixedly connected to the inner top wall of the adjusting box (2), an inertia block (4) is fixedly connected to the bottom of the supporting spring (3), a lever (5) is connected to the inner portion of the inertia block (4) in a rotating mode, a cross rod (6) is connected to the bottom of the lever (5) in a rotating mode, an extrusion toothed rod (7) is connected to the bottom of the cross rod (6) in a sliding mode, an ejector rod (8) is connected to the side face of the extrusion toothed rod (7) in a sliding mode, a rotating shaft (9) is connected to the side face of the ejector rod (8) in a meshing mode, a plugging plate (10) is fixedly connected to the bottom of the rotating shaft (9), a guide pipe (11) is connected to the side face of the plugging plate (10) in a sliding mode, a push rod (12) is connected to the inner portion of the guide pipe (11) in a sliding mode, and a gas box (13) is fixedly connected to one side, far away from the extrusion toothed rod (7), and is connected to the guide pipe (11), the side fixedly connected with hose (14) of gas tank (13), one side fixedly connected with air spring (15) of gas tank (13) are kept away from in hose (14), the side of extrusion ratch (7) and the below meshing that is located air spring (15) are connected with regulating wheel (19), the side meshing of regulating wheel (19) is connected with accepts pinion rack (20), accept bottom fixedly connected with slider (18) of pinion rack (20), the side sliding connection of slider (18) has slide bar (17), the both sides fixedly connected with connecting rod (16) of slide bar (17).

2. A crane capable of automatically stabilizing a hoisted object according to claim 1, wherein: the bottom of the sliding block (18) is fixedly connected with a lifting hook (21).

3. A crane capable of automatically stabilizing a hoisted object according to claim 1, wherein: the bottom of the adjusting box (2) is provided with an arc-shaped hole which is penetrated by the extrusion rack bar (7).

4. A crane capable of automatically stabilizing a hoisted object according to claim 1, wherein: and a buffer spring is arranged in the lever (5).

5. A crane capable of automatically stabilizing a hoisted object according to claim 1, wherein: the side surface of the lever (5) is rotatably connected with a supporting rod and is rotatably connected with the middle part of the lever (5).

6. A crane capable of automatically stabilizing a hoisted object according to claim 1, wherein: the closure plate (10) is initially in a state in which the duct (11) is open.

7. A crane capable of automatically stabilizing a hoisted object according to claim 1, wherein: the bottom of the cross rod (6) is provided with a bulge, and the bulge is in non-extrusion force contact with the top of the extrusion toothed bar (7) at the beginning.

8. A crane capable of automatically stabilizing a hoisted object according to claim 1, wherein: and a return spring is arranged on the side surface of the sliding block (18) and is connected with one side of the connecting rod (16).