CN215669430U

CN215669430U - Unhooking device and dynamic compaction machine

Info

Publication number: CN215669430U
Application number: CN202121476363.4U
Authority: CN
Inventors: 李利斌; 周红伟; 江振阳
Original assignee: Sany America Inc
Current assignee: Sany America Inc
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-28
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a unhooking device and a dynamic compactor. The unhooking device comprises: the unhooking device is suitable for being connected with a lifting hook of the dynamic compaction machine; one end of the unhooking rope is suitable for being arranged on the dynamic compaction machine, and the other end of the unhooking rope bypasses the upper part of the unhooking device and then is connected with one side of the unhooking device, which is far away from the arm support of the dynamic compaction machine. The other end of the unhooking rope bypasses the upper part of the unhooking device and is connected with one side of the unhooking device, which is far away from the arm support of the dynamic compaction machine, when the unhooking rope is pulled, the unhooking rope pulls the side, which is far away from the arm support of the dynamic compaction machine, of the unhooking device upwards, so that the rammer is unhooked and falls down, and in the unhooking process, the unhooking device is only stressed upwards.

Description

Unhooking device and dynamic compaction machine

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a unhooking device and a dynamic compactor.

Background

The dynamic compaction method is widely applied to pile foundation engineering by the advantages of environmental protection, high efficiency, high cost performance and the like, and the crawler-type dynamic compactor is rapidly developed as the most mainstream dynamic compaction machine. At present, one technical problem which troubles a dynamic compactor is that a lifting hook can impact an arm support along with the forward and backward swinging of the arm support when a rammer is unloaded, so that the arm support is damaged.

A typical unhooking device includes a detacher and a unhooking rope, one end of which is fixed to the turntable and the other end of which is fixed to the detacher. When the lifting hook is lifted to a certain height by the lifting rope, the unhooking rope is tightly collapsed, the unhooking device is pulled to enable the rammer to be unhooked and fall down, and the length of the unhooking rope can be manually adjusted to lift the rammer to different heights, so that different ramming energies are obtained.

When the unhooking rope is broken and straightened, an oblique downward force is applied to the lifting hook, the horizontal component of the force points to the arm support, when the rammer is unhooked, the arm support rebounds backwards, then swings forwards and backwards, the lifting hook swings to impact the arm support, and the horizontal component aggravates the impact of the lifting hook on the arm support, so that greater damage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a unhooking device and a dynamic compactor, and aims to solve the problem that in the prior art, when a rammer is unhooked, horizontal component force aggravates the impact of a lifting hook on a boom.

To achieve the above object, the present invention provides a unhooking device comprising: the unhooking device is suitable for being connected with a lifting hook of the dynamic compaction machine; one end of the unhooking rope is suitable for being arranged on the dynamic compaction machine, and the other end of the unhooking rope bypasses the upper part of the unhooking device and then is connected with one side of the unhooking device, which is far away from the arm support of the dynamic compaction machine.

Optionally, the unhooking device further comprises a unhooking winch, the unhooking winch is suitable for being fixed on the dynamic compaction machine, and one end of the unhooking rope is wound on a winding drum of the unhooking winch.

Optionally, the unhooking winch is arranged on a turntable of the dynamic compaction machine.

Optionally, the unhooking device further comprises a unhooking guide pulley, the unhooking guide pulley is fixed to the top of the arm support, and the other end of the unhooking rope is connected to the unhooking device after bypassing the unhooking guide pulley.

Optionally, two unhooking guide pulleys are arranged, and the two unhooking guide pulleys are arranged at intervals along the front-back direction of the dynamic compaction machine.

Optionally, the unhooking device further comprises a mounting shaft, and the unhooking guide pulley is sleeved on the mounting shaft.

Optionally, the detacher comprises a hook body and a detacher bar, the detacher bar being connected to the hook body and the detacher bar being connected to the detacher cord.

The utility model also provides a dynamic compactor, comprising: the unhooking device.

Optionally, the dynamic compactor further comprises a rotary table, a hoisting winch, a hoisting rope and a lifting hook, wherein the hoisting winch is arranged on the rotary table, one end of the hoisting rope is wound on a winding drum of the hoisting winch, the other end of the hoisting rope is connected with the lifting hook, and the lifting hook is connected with the detacher.

Optionally, when the unhooking device comprises an unhooking winch, the unhooking winch and the lifting winch are arranged in the front-back direction of the dynamic compaction machine.

The technical scheme of the utility model has the following advantages: when the unhooking rope is pulled, the other end of the unhooking rope pulls the unhooking device upwards to be far away from one side of the cantilever crane of the dynamic compaction machine, so that the rammer is unhooked and falls, and in the unhooking process, the unhooking device is only stressed by an upward force.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 shows a schematic front view of the dynamic compactor of the present invention;

FIG. 2 shows a perspective schematic view of the dynamic compactor of FIG. 1;

FIG. 3 shows one of the partial perspective views of the dynamic compactor of FIG. 2;

figure 4 shows a second partial perspective view of the dynamic compactor of figure 2.

Description of reference numerals:

10. a detacher; 20. a unhooking winch; 30. unhooking the rope; 40. unhooking the guide pulley; 50. a turntable; 60. hoisting a winch; 70. hoisting a rope; 80. a hook; 81. a diverting pulley; 90. a boom; 91. lifting the pulley; 92. installing a shaft; 100. and (4) a rammer.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the unhooking device of the present embodiment includes: a detacher 10 and a detacher rope 30, wherein the detacher 10 is suitable for being connected with a lifting hook 80 of the dynamic compactor; one end of the unhooking rope 30 is suitable for being arranged on the dynamic compaction machine, and the other end of the unhooking rope 30 is connected with one side of the unhooking machine 10 away from the arm support 90 of the dynamic compaction machine after bypassing the upper part of the unhooking machine 10.

By applying the unhooking device of the embodiment, the other end of the unhooking rope 30 bypasses the upper part of the unhooking device 10 and then is connected with one side of the unhooking device 10, which is far away from the arm support 90 of the dynamic compaction machine, when unhooking, the unhooking rope 30 is pulled, the other end of the unhooking rope 30 pulls the side, which is far away from the arm support 90 of the dynamic compaction machine, of the unhooking device 10 upwards, so that the rammer is unhooked and falls down, and in the unhooking process, the unhooking device 10 is only stressed upwards.

In the present embodiment, as shown in fig. 2 to 4, the unhooking apparatus further includes a unhooking winch 20, the unhooking winch 20 is adapted to be fixed to the dynamic compactor, and one end of the unhooking rope 30 is wound on a winding drum of the unhooking winch 20. The reel of unhook hoist engine 20 rotates, drives the motion of unhook rope 30, and the other end of unhook rope 30 upwards stimulates unhook ware 10 and keeps away from one side of strong rammer's cantilever crane 90, and then makes the ram unhook whereabouts, drives the motion of unhook rope 30 through unhook hoist engine 20, and is easy and simple to handle, and the unhook height of ram will no longer be subject to the length of unhook rope, and the stepless unhook of co-altitude can be realized in setting up of unhook hoist engine 20. Preferably, the unhooking winch 20 is arranged on the rotary table 50 of the dynamic compaction machine, and the fixing is simple and convenient.

In this embodiment, as shown in fig. 3, the unhooking device further includes a unhooking guide pulley 40, the unhooking guide pulley 40 is fixed on the top of the arm support 90, and the other end of the unhooking rope 30 is connected to the unhooking device 10 after passing around the unhooking guide pulley 40. The unhooking guide pulley 40 is used for changing the direction of the unhooking rope, and the other end of the unhooking rope 30 bypasses the unhooking guide pulley 40 and is connected with one side of the detacher 10, which is far away from the arm support 90 of the dynamic compactor. Preferably, two unhooking guide pulleys 40 are provided, and the two unhooking guide pulleys 40 are arranged at intervals in the front-rear direction of the dynamic compaction machine. Wherein, the front refers to the side of the dynamic compaction machine in the advancing direction.

In this embodiment, as shown in fig. 3, the unhooking device further includes a mounting shaft 92, the unhooking guide pulley 40 is sleeved on the mounting shaft 92, and the mounting shaft 92 is used for mounting the unhooking guide pulley 40. The number of the mounting shafts 92 is also two, the two mounting shafts 92 are arranged at intervals in the front-rear direction of the dynamic compactor, and the two mounting shafts 92 and the two unhooking guide pulleys 40 are arranged in one-to-one correspondence. Note that the axis of the mounting shaft 92 is in the left-right direction of the dynamic compactor.

In this embodiment, the detacher 10 includes a hook body and a detacher lever, the detacher lever is connected to the hook body, the detacher lever is connected to the detacher cord 30, and when the detacher is performed, the detacher cord 30 drives the detacher lever to move, and thus drives the hook body to move, thereby separating the hook body from the ram. The detacher 10 may be constructed as in the prior art and will not be described in detail herein.

In this embodiment, the unhooking rope 30 is a steel wire rope, and the steel wire rope has the advantages of being capable of transferring long-distance load, large in load safety factor, safe and reliable to use, light in self weight, high in tensile strength, fatigue resistance, impact resistance and toughness and the like.

The utility model also provides a dynamic compactor, which comprises: the unhooking device.

In the present embodiment, as shown in fig. 1 to 4, the dynamic compactor further includes a turntable 50, a hoisting winch 60, a hoisting rope 70, and a hook 80, the hoisting winch 60 is disposed on the turntable 50, one end of the hoisting rope 70 is wound on a winding drum of the hoisting winch 60, the other end of the hoisting rope 70 is connected to the hook 80, and the hook 80 is connected to the detacher 10. Starting the hoisting winch 60, rotating a winding drum of the hoisting winch 60 to drive the hoisting rope 70 to move, driving the lifting hook 80 to move by the hoisting rope 70, driving the lifting hook 80 to move upwards by the hoisting winch 60 through the hoisting rope 70 when the ram is hoisted, simultaneously driving the unhooking rope 30 to move by the unhooking winch 20, and keeping the unhooking rope 30 in a loose state by the unhooking winch 20; when the rammer 100 is lifted to a preset height, the lifting winch 60 stops lifting, the unhooking winch continues lifting, the unhooking rope is tightened, the unhooking device is pulled upwards to be unhooked, and the unhooking winch stops operating after the rammer falls down; after the rammer falls to the ground, the hoisting machine and the unhooking hoisting machine perform falling operation together, and then fall to the ground to enter the next dynamic compaction operation.

In the embodiment, the unhooking winch 20 and the lifting winch 60 are arranged in the front-back direction of the dynamic compaction machine, and the arrangement is compact and flexible. Wherein, the front refers to the side of the dynamic compaction machine in the advancing direction. Preferably, the unhooking hoist 20 is arranged on the side of the hoisting hoist 60 close to the hook. As an alternative embodiment, the unhooking winch 20 is arranged on the side of the hoisting winch 60 remote from the hook.

In this embodiment, as shown in fig. 1 and fig. 3, the dynamic compactor further includes a boom 90, the boom 90 is hinged to the turntable 50, a hoisting pulley 91 for reversing the hoisting rope 70 is disposed on the top of the boom 90, the hoisting pulley 91 is used for changing the direction of the hoisting rope 70, and the other end of the hoisting rope 70 is connected to the hook 80 by bypassing the hoisting pulley 91. Preferably, two lifting pulleys 91 are provided, one lifting pulley 91 and one unhooking guide pulley 40 are mounted on one mounting shaft 92, the other lifting pulley 91 and the other unhooking guide pulley 40 are mounted on the other mounting shaft 92, and the lifting pulleys 91 and the unhooking guide pulleys 40 share the mounting shaft 92, so that the structure is simplified.

In this embodiment, the hook 80 is provided with a diverting pulley 81 for diverting the hoisting rope 70. Diverting pulley 81 redirects the hoisting rope 70 from vertically downwards to vertically upwards.

The working principle of the dynamic compaction machine is explained as follows:

when the hoisting winch 60 lifts the ram 100, the unhooking winch 20 is lifted synchronously therewith, keeping the unhooking rope 30 in a relaxed state; when the rammer 100 is lifted to a preset height, the lifting winch 60 stops lifting, the unhooking winch 20 continues lifting, the unhooking rope 30 is tightened, the unhooking device 10 is pulled upwards to be unhooked, and the unhooking winch 20 stops operating after the rammer 100 falls; after the ram 100 falls to the ground, the hoisting winch 60 performs a falling operation together with the unhooking winch 20, descends to the ground, and enters the next dynamic compaction operation. In the unhooking process, the unhooking device 10 only bears upward force, compared with the unhooking device in the prior art, the horizontal component force is eliminated, the impact of the lifting hook 80 on the arm support 90 can be greatly reduced, the dynamic compaction height is automatically adjusted, and stepless unhooking at different heights can be realized.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the unhooking device comprises an unhooking winch 20, an unhooking rope 30, two unhooking guide pulleys 40 and an unhooking device 10, wherein the unhooking winch 20 is fixed on a rotary table 50, one end of the unhooking rope 30 is wound on a winding drum of the unhooking winch 20, the other end of the unhooking rope 30 is connected with one side, away from an arm support 90, of the unhooking device 10 after passing around the unhooking guide pulley 40, the unhooking guide pulley 40 is installed on the arm support 90, and the unhooking device 10 is connected with a lifting hook 80 through a steel wire rope ring. The stress direction of the lifting hook during unhooking is changed by changing the connecting position of the unhooking rope and the unhooking device, the unhooking device 10 only bears upward force in the unhooking process, horizontal component force is eliminated, and the impact of the lifting hook on the arm support can be greatly reduced. Meanwhile, the unhooking winch is added, the length of the unhooking rope can be automatically adjusted, so that the dynamic compaction height can be automatically adjusted, the unhooking height of the rammer is not limited by the length of the unhooking rope any more, and stepless unhooking at different heights can be realized.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A unhooking device, comprising:

a detacher (10) adapted to be connected to a hook (80) of a dynamic compactor;

one end of the unhooking rope (30) is suitable for being arranged on the dynamic compaction machine, and the other end of the unhooking rope (30) bypasses the upper portion of the detacher (10) and then is connected with one side, far away from the arm support (90) of the dynamic compaction machine, of the detacher (10).

2. Unhooking device according to claim 1, characterized in that it further comprises a unhooking winch (20), said unhooking winch (20) being suitable to be fixed to said dynamic compactor, one end of said unhooking rope (30) being wound on a drum of said unhooking winch (20).

3. Unhooking device according to claim 2, characterized in that the unhooking winch (20) is arranged on a turntable (50) of the dynamic compaction machine.

4. The unhooking device of claim 1, further comprising a unhooking guide pulley (40), wherein the unhooking guide pulley (40) is fixed on the top of the arm support (90), and the other end of the unhooking rope (30) is connected to the unhooking device (10) after passing around the unhooking guide pulley (40).

5. Unhooking device according to claim 4, characterized in that the unhooking guide pulleys (40) are provided in two, the two unhooking guide pulleys (40) being arranged at intervals in the front-rear direction of the dynamic compaction machine.

6. Unhooking device according to claim 4, characterized in that it further comprises a mounting shaft (92), on which mounting shaft (92) the unhooking guide pulley (40) is fitted.

7. Unhooking device according to claim 1, characterized in that the detacher (10) comprises a hook body and a unhooking lever connected to the hook body, the unhooking lever being connected to the unhooking cord (30).

8. A dynamic compactor, comprising: the unhooking device of any one of claims 1 to 7.

9. The dynamic compactor according to claim 8, further comprising a turntable (50), a hoisting winch (60), a hoisting rope (70) and a hook (80), wherein the hoisting winch (60) is arranged on the turntable (50), one end of the hoisting rope (70) is wound on a winding drum of the hoisting winch (60), the other end of the hoisting rope (70) is connected with the hook (80), and the hook (80) is connected with the detacher (10).

10. The dynamic compactor according to claim 9, wherein when the decoupling device comprises a decoupling hoist (20), the decoupling hoist (20) and the hoisting hoist (60) are arranged in a front-rear direction of the dynamic compactor.