CN211973605U

CN211973605U - Loader working device and wheel loader

Info

Publication number: CN211973605U
Application number: CN202020367636.0U
Authority: CN
Inventors: 石登仁; 何坤; 邢树鑫; 靳鹏飞; 宾仕博
Original assignee: Guangxi Liugong Machinery Co Ltd; Liugong Changzhou Machinery Co Ltd; Liuzhou Liugong Excavators Co Ltd
Current assignee: Guangxi Liugong Machinery Co Ltd; Liugong Changzhou Machinery Co Ltd; Liuzhou Liugong Excavators Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-20
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to a loader working device and a wheel loader, which aims to solve the problems of smaller visual field, weak force transmission capability and low translational property of a bucket of the existing loader, the utility model constructs a loader and a working device, and a rotating bucket mechanism of the working device comprises a connecting rod, a swing arm, a pull rod, a rocker arm and a rotating bucket oil cylinder; the rocker arm is hinged with the rear end of the hinged seat on the movable arm; the rear end of the pull rod is hinged with the upper end of the rocker arm, and the front end of the pull rod is hinged with the rear end of the connecting rod; the front end of the connecting rod is hinged with the bucket, and the middle part of the connecting rod is hinged with the swing arm; the front end of the swing arm is hinged with the bucket, the rear end of the swing arm is hinged with the front frame, and the lower end of the swing arm is hinged with the swing arm; the front end of the movable arm oil cylinder is hinged with the movable arm, and the rear end of the movable arm oil cylinder and the rear end of the rotary bucket oil cylinder are both hinged with the front frame; the front end of the rotating bucket oil cylinder is hinged with the lower end of the rocker arm. Through each pin joint of rational arrangement for uninstallation height, uninstallation distance and scraper bowl digging force obtain optimizing, are convenient for operate in compact space environment, and the equipment motion is smooth, and the working process material is difficult for spilling and falls.

Description

Loader working device and wheel loader

Technical Field

The utility model relates to an engineering machine tool equipment, more specifically say, relate to a loader equipment and wheel loader.

Background

The wheel loader is an engineering machine with transshipping and transportation functions, and the working device of the prior wheel loader mostly adopts a reverse Z-shaped six-connecting-rod structure as shown in figure 1, namely the rear end of a movable arm is hinged with a front frame, the front end of the movable arm is hinged with a bucket, and a movable arm oil cylinder is arranged between the movable arm and the front frame; a swing arm support is arranged on a swing arm beam of the swing arm, the middle part of the swing arm is hinged with the swing arm support, the upper end of the swing arm is connected with one end of a rotating bucket oil cylinder, and the rear end of the rotating bucket oil cylinder is hinged with the front frame; the lower end of the rocker arm is connected with the rear end of the connecting rod, and the front end of the connecting rod is hinged with the bucket. The linkage, rocker arm, and swivel cylinder are typically centrally located.

The unloading height and the unloading distance of the loader and the bucket lifting force are very important technical parameters for the performance of the wheel loader. The unloading distance refers to the distance between the bucket tip and the front wheel of the vehicle when the bucket is in an unloading state; the unloading height refers to the distance between the tip of the needle bucket and the tire landing surface when the bucket is in an unloading state; the bucket digging force refers to the maximum lifting force which can be generated by the bucket tip when the bucket is horizontally placed on the ground. These parameters are strongly related to the hinge point of each component in the working device, and different point relationships and size ratios can cause different unloading heights, unloading distances and digging forces to influence the arrangement of the whole machine and the view of a driver. With the continuous expansion of the loader market and the increase of the application range of the loader, the requirements of optimizing the point position and improving the structure of the working device to improve the digging force, the lifting force and the visual field performance of the existing wheel loader are particularly outstanding.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the field of vision of current loader is less, the power transmission capacity is weak, the not high problem of scraper bowl translation nature, and provides a loader equipment and wheel loader to improve the field of vision and the technical parameter of loader.

The utility model discloses a realize that the technical scheme of its purpose is like: the loader working device is constructed and comprises a movable arm, a movable arm oil cylinder, a bucket and a rotating bucket mechanism, and is characterized in that the rotating bucket mechanism comprises a connecting rod, a swing arm, a pull rod, a rocker arm and a rotating bucket oil cylinder; the movable arm is provided with a hinged seat, and the rocker arm is hinged to a point E with the rear end of the hinged seat; the rear end of the pull rod is hinged to the upper end of the rocker arm at a point D, and the front end of the pull rod is hinged to the rear end of the connecting rod at a point C2; the front end of the connecting rod is hinged with the bucket at a point C, and the middle part of the connecting rod is hinged with the swing arm at a point C1; the front end of the swing arm is hinged with the bucket at a point B, the rear end of the swing arm is hinged with the front frame at a point A, and the lower end of the swing arm is hinged with the swing arm at a point B1; the front end of the movable arm oil cylinder is hinged with the movable arm at a point Q, and the rear end of the movable arm oil cylinder is hinged with the front frame at a point S; the front end of the rotary bucket oil cylinder and the lower end of the rocker arm are hinged to a point F, the rear end of the rotary bucket oil cylinder and the front frame are hinged to a point G, and the distance proportion between the partial hinged points is as follows: B1C1 is more than or equal to 1.1BC and less than or equal to 1.3BC, BB1 is more than or equal to 0.8CC1 and less than or equal to 1.0CC1, CC2 is more than or equal to 1.0CC1 and less than or equal to 1.4CC1, C2D is more than or equal to 0.3AB and less than or equal to 0.4AB, C2D is more than or equal to 0.8B1E and less than or equal to 1.1B1E, and AE is more than or equal to 0.5AB and. Further, B1C1 is 1.2BC, BB1 is 0.8CC1, CC2 is 1.4CC1, C2D is 0.4AB, C2D is 0.8B1E, and AE is 0.5 AB. Furthermore, DE is more than or equal to 1.6EF and less than or equal to 2.0 EF. Further, DE ═ 1.7 EF.

In the above loader work device, the rotating bucket mechanism is arranged on a central plane of the work device.

The utility model discloses a realize that the technical scheme of its purpose is like: provided is a wheel loader which is characterized by comprising the loader working device.

Compared with the prior art, the utility model discloses a each pin joint of rational arrangement for uninstallation height, uninstallation distance and scraper bowl digging force have all obtained very big optimization, are convenient for operate in compact space environment, and the equipment motion is smooth, and the working process material is difficult for spilling and falls.

Drawings

Fig. 1 is a schematic structural view of a conventional loader work apparatus.

Fig. 2 is a schematic structural view of a working device of the wheel loader of the present invention.

Fig. 3 is a point diagram of each hinge point in the working device of the wheel loader according to the present invention.

Part names and serial numbers in the figure:

the shovel comprises a shovel 1, a connecting rod 2, a swing arm 3, a pull rod 4, a rocker arm 5, a movable arm 6, a rotating bucket oil cylinder 7, a movable arm oil cylinder 8 and a front frame 9.

Detailed Description

The following description of the embodiments refers to the accompanying drawings.

As shown in fig. 2 and 3, a work implement of the wheel loader is attached to a front frame 9 of the loader, and the work implement includes a boom 6, a boom cylinder 8, a bucket 1, and a swing mechanism. The rotating bucket mechanism is arranged on the central plane of the working device and comprises a connecting rod 2, a swing arm 3, a pull rod 4, a rocker arm 5 and a rotating bucket oil cylinder 7; be provided with articulated seat on the swing arm 6, articulated seat has two front and back pin joints. The rocker arm 5 is hinged to the point E with the rear end of the hinge seat; the rear end of the pull rod 4 is hinged with the upper end of the rocker arm 5 at a point D, and the front end of the pull rod 4 is hinged with the rear end of the connecting rod 2 at a point C2; the front end of the connecting rod 2 is hinged with the bucket 1 at a point C, and the middle part of the connecting rod 2 is hinged with the swing arm 3 at a point C1; the front end of the movable arm 6 is hinged with the bucket 1 at a point B, the rear end of the movable arm 6 is hinged with the front frame at a point A, and the lower end of the swing arm 3 is hinged with the front end of the hinged seat at a point B1; the front end of the movable arm oil cylinder 8 is hinged with the movable arm at a point Q, and the rear end of the movable arm oil cylinder 8 is hinged with the front frame 9 at a point S; the front end of the rotary bucket oil cylinder 7 is hinged with the lower end of the rocker arm 5 at a point F, the rear end of the rotary bucket oil cylinder 7 is hinged with the front frame 1 at a point G, and the distance proportion between the partial hinged points is as follows: B1C1 is more than or equal to 1.1BC and less than or equal to 1.3BC, BB1 is more than or equal to 0.8CC1 and less than or equal to 1.0CC1, CC2 is more than or equal to 1.4CC1 is more than or equal to 1.0CC1 and less than or equal to 1.4 AB, C2D is more than or equal to 0.3AB and less than or equal to 0.4AB, C2D is more than or equal to 0.8B1E and less than or equal to 1.1B1E, AE is more than or equal to 0.5AB and less than or. The preferred settings are: B1C1 ═ 1.2BC, BB1 ═ 0.8CC1, CC2 ═ 1.4CC1, C2D ═ 0.4AB, C2D ═ 0.8B1E, AE ═ 0.5AB, and DE ═ 1.7 EF.

According to the loader in the embodiment, the point positions of all hinged points are reasonably arranged, so that the unloading height, the unloading distance and the bucket digging force are greatly optimized, the loader can operate in a compact space environment conveniently, the working device moves smoothly, and materials are not prone to scattering in the working process.

Claims

1. A loader working device comprises a movable arm (6), a movable arm oil cylinder (8), a bucket (1) and a rotating bucket mechanism, and is characterized in that the rotating bucket mechanism comprises a connecting rod (2), a swing arm (3), a pull rod (4), a rocker arm (5) and a rotating bucket oil cylinder (7); the movable arm is provided with a hinged seat, and the rocker arm is hinged to a point E with the rear end of the hinged seat; the rear end of the pull rod is hinged to the upper end of the rocker arm at a point D, and the front end of the pull rod is hinged to the rear end of the connecting rod at a point C2; the front end of the connecting rod is hinged with the bucket at a point C, and the middle part of the connecting rod is hinged with the swing arm at a point C1; the front end of the swing arm is hinged with the bucket at a point B, the rear end of the swing arm is hinged with the front frame at a point A, and the lower end of the swing arm is hinged with the swing arm at a point B1; the front end of the movable arm oil cylinder is hinged with the movable arm at a point Q, and the rear end of the movable arm oil cylinder is hinged with the front frame at a point S; the front end of the rotary bucket oil cylinder and the lower end of the rocker arm are hinged to a point F, the rear end of the rotary bucket oil cylinder and the front frame are hinged to a point G, and the distance proportion between the partial hinged points is as follows: B1C1 is more than or equal to 1.1BC and less than or equal to 1.3BC, BB1 is more than or equal to 0.8CC1 and less than or equal to 1.0CC1, CC2 is more than or equal to 1.0CC1 and less than or equal to 1.4CC1, C2D is more than or equal to 0.3AB and less than or equal to 0.4AB, C2D is more than or equal to 0.8B1E and less than or equal to 1.1B1E, and AE is more than or equal to 0.5AB and.

2. The loader work device of claim 1 wherein the ratio of the distances between the partial hinge points is: B1C1 ═ 1.2BC, BB1 ═ 0.8CC1, CC2 ═ 1.4CC1, C2D ═ 0.4AB, C2D ═ 0.8B1E, AE ═ 0.5 AB.

3. The loader work device of claim 1 or 2, characterized in that the ratio of the distances between the hinge points is: DE is more than or equal to 1.6EF and less than or equal to 2.0 EF.

4. The loader work device of claim 3, wherein the distance between the hinge points is: DE ═ 1.7 EF.

5. The loader work device of claim 1 wherein the rotating hopper mechanism is disposed on a center plane of the work device.

6. A wheel loader characterized by having the loader work apparatus of any one of claims 1 to 3.