CN212740422U - Door hook hoist auxiliary device - Google Patents

Abstract

The utility model discloses a door hook hoist auxiliary device belongs to and overhauls instrument technical field. The utility model discloses a door hook lifting appliance, the door hook lifting appliance comprises a plate hook, a cross beam and a steel wire rope, the bottom of the plate hook is provided with a hook falling auxiliary device, the hook falling auxiliary device comprises a guide seat, a support rod and a crow bar, the guide seat comprises a side arc plate, a lower bottom plate and an upper cover plate, the surface of the lower bottom plate is provided with a hollow groove, and a plurality of groups of guide wheels are arranged at intervals on the arc surface of the side arc plate; the upper cover plate is connected with one end of the supporting rod through a second pin shaft, and the supporting rod is connected with the crow bar through a third pin shaft. The utility model discloses a guide pulley produces the direction effect, and the hook auxiliary device that falls is based on the link mechanism principle, and simple manufacture, bracing piece, crow bar are collapsible, can easily demolish after using the completion, and light, efficient promotes the efficiency that the door hook hoist fell greatly, can avoid great incident simultaneously, have very strong practicality and application and popularization value.

Description

Door hook hoist auxiliary device

Technical Field

The utility model relates to an overhaul tool technical field, more specifically say, relate to a door hook hoist auxiliary device.

Background

A door hook lifting appliance of a metallurgical liquid casting crane belongs to a key important part and needs to be regularly checked, detected and replaced. When the maintenance and overhaul are carried out, the vertical plate hook piece is required to be placed to be perpendicular to the cross beam in a falling mode, and in the falling process, the gravity center is difficult to deviate due to the fact that the plate hook is heavy in self weight, so that accidents that the plate hook is perpendicular to the pestle hook, the cross beam is inclined, and a steel wire rope is loosened and falls off the track frequently occur. At present, a method that the main trolley moves transversely immediately at the moment when the door hook lifting appliance falls to the ground is commonly adopted, and the plate hook can be vertically laid down only by the cooperation of the falling of the plate hook and the transverse movement of the main trolley. However, in the actual use process, because a driver has high precision control difficulty, the transverse movement amount of the main trolley is often too large, the plate hook is not laid down and can transversely collide to people and objects beside the main trolley, or the door hook lifting appliance is too fast to land, the cross beam is inclined, and the steel wire rope is loosened; can fall down after being repeated for a plurality of times. Not only work efficiency is low, has increased maintenance time, brings very big potential safety hazard for the ground maintainer.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome prior art not enough, provide a door hook hoist auxiliary device, the utility model discloses a guide pulley produces the direction effect, and the whole simple manufacture of device, bracing piece, crow bar are collapsible, can easily demolish after using the completion, and light, efficient not only promotes the efficiency that the door hook hoist fell greatly, can avoid the incident simultaneously, has very strong practicality and application and popularization value.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a door hook lifting appliance auxiliary device, which comprises a door hook lifting appliance, wherein the door hook lifting appliance comprises a plate hook, a cross beam and a steel wire rope, the upper part of the cross beam is fixedly connected with the steel wire rope, the lower part of the cross beam is hinged with the plate hook, the bottom of the plate hook is provided with a hook falling auxiliary device, and the hook falling auxiliary device comprises a guide seat, a support rod and a crow bar;

the guide seat consists of two side arc plates, a lower base plate and an upper cover plate, the two side arc plates are respectively fixedly welded with the lower base plate, a hollow groove is formed in the surface of the lower base plate, the top of each side arc plate is welded with the upper cover plate, a plurality of groups of guide wheels are arranged on the arc surfaces of the side arc plates at intervals, a first pin shaft is arranged at the connecting part of each guide wheel and the corresponding side arc plate, and the guide wheels are rotatably connected with the side arc plates through the first pin shafts;

the surface of the upper cover plate is provided with a second pin shaft, the upper cover plate is connected with one end of the supporting rod through the second pin shaft, the other end of the supporting rod is provided with a third pin shaft, and the supporting rod is connected with the crow bar through the third pin shaft.

Furthermore, the guide seat is hollow as a whole.

Further, the working angle between the support rod and the crow bar is 90 degrees.

Furthermore, one side of the supporting rod close to the upper cover plate is also provided with a limiting plate, and the limiting plate and the upper cover plate are mutually fixed.

Furthermore, when the crow bar is pressed by force, the support rod is driven to lift upwards, and the guide seat is influenced by the support rod to lift upwards and leave the plate hook synchronously.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a guide pulley produces the direction effect, can make board hook whereabouts in-process produce certain skew angle, avoid board hook and crossbeam focus to overlap and appear series problems such as pestle hook, the hook auxiliary device that falls is based on the link mechanism principle, high durability and convenient use, to the board hook direction, it is firm to support, fall to the ground stable back when the board hook, only need step on the pinch bar with the foot, utilize lever principle to make the bracing piece lift up, it takes out to drive the guide holder from the board hook side, safety and simplicity, the whole simple manufacture of device, the bracing piece, the pinch bar is collapsible, can easily demolish after using to accomplish, light, high efficiency, not only greatly promote the efficiency that the door hook hoist fell, can avoid the major incident that the in-process probably exists of falling simultaneously, very strong practicality and application and popularization value have.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a diagram illustrating the operation of the present invention;

FIG. 3 is a structural diagram of a door hook hanger of the present invention;

FIG. 4 is a structural diagram of the auxiliary device for hook falling;

FIG. 5 is a diagram illustrating the effect of the present invention;

fig. 6 is an enlarged view of the position a of the present invention.

In the figure: 1. a door hook hanger; 2. a plate hook; 3. a cross beam; 4. a wire rope; 5. a hook drop assist device; 51. a guide seat; 511. a side arc plate; 512. a lower base plate; 513. an upper cover plate; 514. an empty groove; 515. a guide wheel; 516. a first pin shaft; 52. a support bar; 521. a second pin shaft; 522. a limiting plate; 523. a third pin shaft; 53. a crow bar.

Detailed Description

The invention is further described with reference to the following figures and examples:

example 1

As can be seen from fig. 1 to 6, the door hook hanger auxiliary device of this embodiment includes a door hook hanger 1, the door hook hanger 1 is composed of a plate hook 2, a cross beam 3, and a steel wire rope 4, the upper portion of the cross beam 3 is fixedly connected to the steel wire rope 4, the lower portion of the cross beam 3 is hinged to the plate hook 2, a hook falling auxiliary device 5 is disposed at the bottom of the plate hook 2, the hook falling auxiliary device 5 is composed of a guide seat 51, a support rod 52, and a pry bar 53, the guide seat 51 is hollow as a whole, and the guide seat 51 is a key component for guiding the plate hook 2.

The guide seat 51 is composed of a side arc plate 511, a lower bottom plate 512 and an upper cover plate 513, the side arc plate 511 is provided with two pieces and is fixedly welded with the lower bottom plate 512 respectively, the guide surface of the side arc plate 511 is processed into an outer arc-shaped lower bottom plate 512, the surface of the outer arc-shaped lower bottom plate 512 is provided with a hollow groove 514, the top of the side arc plate 511 is welded with the upper cover plate 513, a plurality of groups of guide wheels 515 are installed on the arc surface of the side arc plate 511 at intervals, a first pin shaft 516 is arranged at the joint of the guide wheels 515 and the side arc plate 511, the guide wheels 515 are rotatably connected with the side arc plate 511 through the first pin shaft 516.

The surface of the upper cover plate 513 is provided with a second pin 521, the upper cover plate 513 is connected with one end of the support rod 52 through the second pin 521, the other end of the support rod 52 is provided with a third pin 523, and the support rod 52 is connected with the crow bar 53 through the third pin 523.

The working angle between the support rod 52 and the crow bar 53 is 90 degrees, when the crow bar 53 is pressed downwards under force, the support rod 52 is driven to lift upwards, and the guide seat 51 is influenced by the support rod 52 to lift upwards and leave the plate hook 2 synchronously.

A limit plate 522 is further disposed on a side of the support rod 52 adjacent to the upper cover plate 513, and the limit plate 522 and the upper cover plate 513 are fixed to each other.

As can be seen from fig. 2, when the arc of the outer side of the plate hook 2 contacts the guide wheel 515 to generate a relative movement, the plate hook 2 descends along the guide wheel 515 with a certain offset, and the plate hook 2 passes through the empty slot 514 reserved on the lower plate 512 and reliably contacts the ground.

As can be seen from fig. 5-6, the upper cover plate 513 is connected to one end of the supporting rod 52 through a second pin 521, and when the plate hook 2 contacts the guide seat 51, the supporting rod 52 is spread to support the guide seat 51; the upper cover plate 513 is provided with a limiting plate 522 to avoid the support rod 52 from being stressed and slipping; the lower part of the support rod 52 is connected with a crow bar 53, the working angle between the crow bar 53 and the support rod 52 is 90 degrees, when the plate hook 2 is contacted with the ground, the crow bar 53 is pressed down forcibly, the support rod 52 is lifted upwards, the guide seat 51 is driven to leave the plate hook 2, and then the laying auxiliary work of the door hook lifting appliance 1 is completed.

The specific implementation process is as follows: 1) during maintenance, slowly descending the door hook lifting appliance 1 on a flat open field, stopping the descending of the door hook lifting appliance 1 when the plate hook 2 is 500mm away from the ground, and enabling the guide seat 51 on the hook falling auxiliary device 5 to be close to the outer arc of the plate hook 2; 2) the supporting rod 52 of the hook falling auxiliary device 5 is opened, the angle is limited to the limiting plate 522, the supporting rod 52 is prevented from being stressed and slipping, personnel withdraw and instruct the door hook lifting appliance 1 to slowly descend, the outer arc of the plate hook 2 is in rolling friction with the guide seat 51, and the plate hook 2 easily slides downwards; because the plate hook 2 and the guide seat 51 are in cambered surface contact, the plate hook 2 rotates by a rotating angle along the tangential direction when descending; 3) the plate hook 2 passes through the empty groove 514 reserved on the lower bottom plate 512 at a certain rotation angle and is reliably contacted with the ground; at the moment, the center of gravity of the plate hook 2 and the center of gravity of the cross beam 3 are not on the same line and effective friction force is generated between the plate hook 2 and the ground, so that accidents such as pestle hook of the plate hook 2, deflection and sudden transverse movement of the cross beam 3 and the like can not occur in the door hook lifting appliance 1; 4) opening a crowbar 53, wherein the working angle between the crowbar 53 and the support rod 52 is 90 degrees, pressing down the crowbar 53 by feet or tools to lift the support rod 52 upwards, driving the guide seat 51 to leave the plate hook 2, and completing the laying auxiliary work of the door hook lifting appliance 1; 5) and commanding the driver to descend the door hook lifting appliance 1 to any required maintenance height, and simultaneously ensuring that the beam 3 and the steel wire rope 4 are not inclined by the transverse matching of the main trolley.

The utility model discloses a guide pulley 515 produces the direction effect, can make 2 whereabouts in-process of board hook produce certain skew angles, avoid board hook 2 and 3 focus of crossbeam to overlap series problems such as pestle hook appear, the hook auxiliary device 5 that falls is based on the link mechanism principle, high durability and convenient use, to 2 direction of board hook, it is firm to support, fall to the ground stable back when board hook 2, only need step on pinch bar 53 with the foot, utilize lever principle to make bracing piece 52 lift, it takes out to drive guide holder 51 from 2 sides of board hook, safety and simplicity, the whole simple manufacture of device, bracing piece 52, pinch bar 53 is collapsible, can easily demolish after the use is accomplished, light, high efficiency, not only promote the efficiency that door hook hoist 1 fell greatly, can avoid the major incident that the in-process of falling probably exists simultaneously, very strong practicality and application and popularization value have.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (5)

1. The utility model provides a door hook hoist auxiliary device, includes door hook hoist (1), its characterized in that: the door hook lifting appliance (1) consists of a plate hook (2), a cross beam (3) and a steel wire rope (4), the upper part of the cross beam (3) is fixedly connected with the steel wire rope (4), the lower part of the cross beam (3) is hinged with the plate hook (2), a hook falling auxiliary device (5) is arranged at the bottom of the plate hook (2), and the hook falling auxiliary device (5) consists of a guide seat (51), a support rod (52) and a crow bar (53);

the guide seat (51) consists of side arc plates (511), a lower bottom plate (512) and an upper cover plate (513), wherein the side arc plates (511) are provided with two pieces and fixedly welded with the lower bottom plate (512) respectively, the surface of the lower bottom plate (512) is provided with a hollow groove (514), the top of each side arc plate (511) is welded with the upper cover plate (513), a plurality of groups of guide wheels (515) are arranged on the arc surface of each side arc plate (511) at intervals, a first pin shaft (516) is arranged at the joint of each guide wheel (515) and each side arc plate (511), and each guide wheel (515) is rotatably connected with the corresponding side arc plate (511) through the first pin shaft (516);

the surface mounting of upper cover plate (513) have second round pin axle (521), upper cover plate (513) are connected with the one end of bracing piece (52) through second round pin axle (521), third round pin axle (523) is installed to the other end of bracing piece (52), bracing piece (52) are connected with crow bar (53) through third round pin axle (523).

2. A door hook spreader auxiliary device according to claim 1, wherein: the guide seat (51) is hollow as a whole.

3. A door hook spreader auxiliary device according to claim 1, wherein: the working angle between the support rod (52) and the crow bar (53) is 90 degrees.

4. A door hook spreader auxiliary device according to claim 1, wherein: one side of the supporting rod (52) close to the upper cover plate (513) is further provided with a limiting plate (522), and the limiting plate (522) and the upper cover plate (513) are fixed to each other.

5. A door hook spreader auxiliary device according to claim 1, wherein: when the crow bar (53) is pressed by force, the support rod (52) is driven to lift up, and the guide seat (51) is influenced by the support rod (52) to lift up synchronously and leave the plate hook (2).

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