CN220953593U

CN220953593U - Quick conversion device of machines and tools and excavator

Info

Publication number: CN220953593U
Application number: CN202322815405.8U
Authority: CN
Inventors: 成九瑞; 王金涛; 张明更; 文国培; 张菁
Original assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Current assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-05-14
Anticipated expiration: 2033-10-20

Abstract

The utility model discloses a quick tool switching device, which belongs to the technical field of excavators and comprises a bucket rod and a hydraulic oil pipe I, wherein a first shaft hole and a second shaft hole are formed in the front end of the bucket rod, a bucket oil cylinder is hinged to the bucket rod, a connecting rod is hinged to the front end of the bucket oil cylinder, a third shaft hole and a fourth shaft hole are formed in the connecting rod, pin shafts are arranged in the second shaft hole and the third shaft hole, the third shaft hole and the second shaft hole are connected with two ends of a limiting rod through pin shafts and fasteners, one end of the hydraulic oil pipe I, which is far away from an oil tank, is connected with a hydraulic oil pipe II and a hydraulic oil pipe III through a three-way ball valve, and the other end of the hydraulic oil pipe II is connected with the bucket oil cylinder. The utility model has the advantages that: the workload of replacing machines is reduced, and the working efficiency is improved.

Description

Quick conversion device of machines and tools and excavator

Technical Field

The utility model relates to the technical field of excavators, in particular to a quick machine tool switching device and an excavator with the same.

Background

The commonly used tools of the excavator at present comprise a bucket, a shell bucket and the like.

As shown in FIG. 1, two pin shafts are arranged on the bucket, one pin shaft is connected with the first shaft hole at the front end of the bucket rod, the other pin shaft is respectively connected with the third shaft hole of the bucket rod and the shaft hole of the bucket cylinder through four connecting rods, two hydraulic oil pipes are arranged on the bucket cylinder, namely an oil inlet pipe and an oil return pipe, and the two hydraulic oil pipes can be arranged on two sides or the same side of the bucket rod. The excavator manipulator realizes the expansion and contraction of the bucket cylinder by controlling the inlet and outlet of hydraulic oil in the hydraulic oil pipe, and realizes the operations of excavating, discharging and the like of the bucket by means of a four-bar structure.

As shown in fig. 2, the shell hopper comprises a shell petal I, a shell petal II, a shell hopper oil cylinder I, a shell hopper oil cylinder II, a support body and a connecting frame, and is connected with a first shaft hole of the hopper rod through a pin shaft; the hydraulic oil pipe is simultaneously communicated with the shell bucket oil cylinder I and the shell bucket oil cylinder II, and an excavator operator realizes the expansion and the contraction of the shell bucket oil cylinder I and the shell bucket oil cylinder II by controlling the inlet and the outlet of hydraulic oil in the hydraulic oil pipe, so that the opening and the closing operation of the shell valve I and the shell valve II are finally realized.

Because the bucket, the shell bucket and the bucket rod are different in connection mode, the conventional excavator is only provided with one tool, and when the tool needs to be replaced, the operation is more troublesome, and the defects are existed:

1. When the bucket works, a rocker, a connecting rod, a bucket cylinder and the like are required to be arranged on the bucket rod; these parts are not required for the operation of the shell hopper.

2. And the bucket operation and the shell bucket operation are performed, and an oil inlet pipe and an oil return pipe are arranged on the bucket rod.

3. Normally, the oil inlet pipe and the oil return pipe are controlled by the same handle.

Therefore, when the same excavator works, if the shell bucket operation is changed into the bucket operation, the bucket, the rocker, the connecting rod, the bucket oil cylinder and the like are required to be installed after the shell bucket is removed, and the disassembly and assembly operations are complex; similarly, if the bucket operation is changed into the shell bucket operation, after the bucket is removed, the rocker, the connecting rod, the bucket cylinder and the like are required to be removed synchronously, and finally the shell bucket is installed, so that the removal and installation operations are complex.

Disclosure of utility model

The present utility model is to solve the technical problems mentioned in the background art, and a first aspect provides a quick-change device for an implement, which solves the problem of trouble in implement replacement.

A second aspect provides an excavator having the implement quick change device provided in the first aspect.

According to the first aspect, the technical scheme provided by the utility model is as follows: the utility model provides a swift conversion equipment of machines, includes dipper and hydraulic oil pipe I, the front end of dipper is equipped with first shaft hole and second shaft hole, articulated on the dipper have the scraper bowl hydro-cylinder, the front end of scraper bowl hydro-cylinder articulates the connecting rod, be equipped with third shaft hole and fourth shaft hole on the connecting rod, be equipped with the round pin axle in second shaft hole and the third shaft hole, the third shaft hole with the both ends of gag lever post are connected through round pin axle and fastener to the second shaft hole, hydraulic oil pipe I keeps away from the one end of oil tank and is connected with hydraulic oil pipe II and hydraulic oil pipe III through the tee bend ball valve, hydraulic oil pipe II's the other end is connected with the scraper bowl hydro-cylinder.

In some embodiments, the second shaft hole and the fourth shaft hole are connected to two ends of the rocker through a pin.

In some embodiments, the three-way ball valve is used for connecting the hydraulic oil pipe I and the hydraulic oil pipe II, or the three-way ball valve is used for connecting the hydraulic oil pipe I and the hydraulic oil pipe III.

In some embodiments, the connecting rods extend along the axial direction of the bucket cylinder, a plurality of connecting rods are arranged, the connecting rods are arranged at the front end of the bucket cylinder side by side, and the two ends of each connecting rod are connected with a pin shaft.

In some embodiments, the bucket further comprises a bucket body, wherein the bucket body is connected with the first shaft hole and the third shaft hole through a pin shaft.

In some embodiments, the device further comprises a shell bucket body, wherein the upper end of the shell bucket body is connected with the first shaft hole through a pin shaft.

In some embodiments, a shell bucket cylinder is arranged on the shell bucket main body, and the other end of the hydraulic oil pipe III is communicated with the shell bucket cylinder.

According to the second aspect, the technical scheme provided by the utility model is as follows: an excavator having the implement shortcut switching device provided in the first aspect.

Compared with the prior art, the utility model has the beneficial effects that: when the same excavator works, if the operation of the shell hopper is changed into bucket operation, only the shell hopper and the limiting rod are removed, the bucket is installed, and the three-way ball valve is pulled to a correct position; if the bucket operation is changed to the shell bucket operation, the disassembly and assembly of the parts are opposite to the above. Repeated disassembly and assembly of the rocker, the connecting rod, the bucket cylinder and the like are avoided, the workload is reduced, and the working efficiency is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of a bucket operation in the background;

FIG. 2 is a schematic diagram of a prior art operation of a shell hopper;

FIG. 3 is a schematic diagram of a quick-change device of an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of a shell hopper operation in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a bucket operation according to an embodiment of the present utility model.

In the accompanying drawings:

1. A first shaft hole; 2. a second shaft hole; 3. a third shaft hole; 4. a fourth shaft hole; 5. a limit rod; 6. a rocker; 7. a bucket cylinder; 8. a hydraulic oil pipe I; 9. a hydraulic oil pipe II; 10. a hydraulic oil pipe III; 11. three-way ball valve; 12. a connecting rod; 13. a shell bucket cylinder; 100. quick switching device for machine tool.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present utility model can be understood in detail, a more particular description of the utility model, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, based on the embodiments of the present utility model shall fall within the scope of protection of the present utility model.

Examples:

Referring to fig. 3, the improved part of the utility model mainly comprises a limit rod 5, a three-way ball valve 11 and related hydraulic oil pipes.

One end of the limiting rod 5 is connected with the bucket rod second shaft hole 2 through a pin shaft and a standard part bolt nut, and the other end of the limiting rod is connected with the connecting rod 12 through a pin shaft, when the bucket oil cylinder 7 is not filled with oil, the limiting rod 5 can ensure that the relative positions of the bucket oil cylinder 7, the connecting rod 12 and the rocker 6 are kept fixed; the hydraulic oil pipe I8, the hydraulic oil pipe II 9 and the hydraulic oil pipe III 10 are oil inlet and oil return oil passage channels and can be arranged on two sides or the same side of the bucket rod; the three-way ball valve 11 is connected with the hydraulic oil pipe I8, the hydraulic oil pipe II 9 and the hydraulic oil pipe III 10 and is used for controlling the hydraulic oil pipe I8 to be communicated with the hydraulic oil pipe II 9 or the hydraulic oil pipe I8 to be communicated with the hydraulic oil pipe III 10. When the hydraulic oil pipe is not communicated with oil, the limiting rod 5 can ensure that the relative positions of the bucket oil cylinder 7, the connecting rod 12 and the rocker 6 are kept fixed.

As shown in fig. 4, when the shell hopper works, the three-way ball valve 11 is pulled to a position where the hydraulic oil pipe I8 is communicated with the hydraulic oil pipe III 10, and the hydraulic oil pipe II 9 is in an open circuit state. Simultaneously, the shell hopper is connected with the first shaft hole 1 of the hopper rod through a pin shaft. The excavator manipulator controls hydraulic oil to flow through the hydraulic oil pipe I8, the three-way ball valve 11 and the hydraulic oil pipe II 9 to the shell bucket oil cylinder 13, so that the shell bucket oil cylinder 13 stretches to realize the closing action of the shell bucket body, and similarly, controls the reverse flow of the hydraulic oil to shorten the shell bucket oil cylinder 13 and realize the opening action of the shell bucket body.

As shown in fig. 5, during bucket operation, the three-way ball valve 11 is pulled to a position where the hydraulic oil pipe i 8 is communicated with the hydraulic oil pipe ii 9, and the hydraulic oil pipe iii 10 is in an open circuit state. Meanwhile, the limiting rod 5 is removed, the bucket is connected with the first shaft hole 1 of the bucket rod and the third shaft hole 3 of the connecting rod 12 through a pin shaft, the connecting rod 12 is connected with the bucket cylinder 7 and the rocker 6 through a pin shaft, and the rocker 6 is connected with the second shaft hole 2 of the bucket rod through a pin shaft; the bucket cylinder 7 is connected with a hydraulic oil pipe II 9 and a hydraulic oil pipe I8. The excavator manipulator controls hydraulic oil to flow through the hydraulic oil pipe I8, the three-way ball valve 11 and the hydraulic oil pipe II 9 to enter the bucket oil cylinder 7, so that the bucket oil cylinder 7 stretches, the excavating operation of the bucket is realized by means of the rocker 6 and the connecting rod 12, and likewise, the unloading operation of the bucket can be realized by controlling the reverse flow of the hydraulic oil.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a swift conversion equipment of machines (100), includes dipper and hydraulic oil pipe I (8), the front end of dipper is equipped with first shaft hole (1) and second shaft hole (2), it has scraper bowl hydro-cylinder (7) to articulate on the dipper, the front end of scraper bowl hydro-cylinder (7) articulates connecting rod (12), be equipped with third shaft hole (3) and fourth shaft hole (4), its characterized in that on connecting rod (12): the hydraulic oil pipe is characterized in that a pin shaft is arranged in the second shaft hole (2) and the third shaft hole (3), the third shaft hole (3) and the second shaft hole (2) are connected with two ends of the limiting rod (5) through the pin shaft and a fastener, one end, far away from an oil tank, of the hydraulic oil pipe I (8) is connected with a hydraulic oil pipe II (9) and a hydraulic oil pipe III (10) through a three-way ball valve (11), and the other end of the hydraulic oil pipe II (9) is connected with a bucket oil cylinder (7).

2. The implement shortcut conversion device (100) according to claim 1, wherein: the second shaft hole (2) and the fourth shaft hole (4) are connected with the two ends of the rocker (6) through pin shafts.

3. The implement shortcut conversion device (100) according to claim 1, wherein: the three-way ball valve (11) is used for connecting the hydraulic oil pipe I (8) and the hydraulic oil pipe II (9), or the three-way ball valve (11) is used for connecting the hydraulic oil pipe I (8) and the hydraulic oil pipe III (10).

4. The implement shortcut conversion device (100) according to claim 1, wherein: the connecting rods (12) extend along the axial direction of the bucket cylinder (7), a plurality of connecting rods (12) are arranged, the connecting rods (12) are arranged at the front end of the bucket cylinder (7) side by side, and pin shafts are connected to two ends of the connecting rods (12).

5. The implement shortcut conversion device (100) according to claim 1, wherein: the novel scraper bucket further comprises a scraper bucket body, and the scraper bucket body is connected with the first shaft hole (1) and the third shaft hole (3) through a pin shaft.

6. The implement shortcut conversion device (100) according to claim 1, wherein: the novel shell hopper comprises a shell hopper body, and is characterized by further comprising a shell hopper body, wherein the upper end of the shell hopper body is connected with a first shaft hole (1) through a pin shaft.

7. The implement shortcut conversion device (100) according to claim 6, wherein: the shell hopper body is provided with a shell hopper oil cylinder (13), and the other end of the hydraulic oil pipe III (10) is communicated with the shell hopper oil cylinder (13).

8. An excavator, characterized in that: use of the implement shortcut conversion device (100) as claimed in any one of claims 1-7.