CN219411013U - Lifting leveling mechanism capable of quickly leveling loader bucket - Google Patents

Abstract

A lifting and leveling mechanism of a loader bucket capable of leveling rapidly belongs to the technical field of loader equipment and is used for lifting and leveling the loader bucket. The technical proposal is as follows: the rear end of the cylinder body of the upper leveling hydraulic cylinder is connected with the upper part of the front end of the lifting arm, the hydraulic push rod of the upper leveling hydraulic cylinder is connected with the upper end of the bucket mounting frame, the outer end face of the lower part of the front end of the lifting arm is provided with a sliding groove, a sliding block is arranged in the sliding groove, the lower part of the sliding block is in sliding fit with the sliding groove, the upper part of the sliding block is fixedly connected with the sliding seat, the rear end of the sliding seat is connected with the front end of the hydraulic push rod of the lower leveling hydraulic cylinder, the cylinder body of the lower leveling hydraulic cylinder is fixed on the front end face of the lifting arm, and the two ends of the connecting rod are respectively connected with the front end of the sliding seat and the lower part of the bucket mounting frame through pin shafts. The utility model has simple structure and convenient use, can effectively improve the leveling speed of the bucket of the loader, and can greatly improve the adjustable range of the bucket.

Description

Lifting leveling mechanism capable of quickly leveling loader bucket

Technical Field

The utility model relates to a lifting and leveling mechanism for a bucket of a loader, and belongs to the technical field of loader equipment.

Background

The loader is a kind of earth and stone construction machinery widely used in construction engineering such as highway, railway, architecture, hydropower, harbor, mine, etc., it is mainly used for shoveling scattered materials such as soil, sand stone, lime, coal, etc., also can make the work of slightly shoveling to ore, hard soil, etc., when the loader bucket lifts, need to use the leveling mechanism to level the bucket.

Chinese patent No. CN218204659U discloses a skid steer loader lifts levelling mechanism, and this kind of skid steer loader lifts levelling mechanism has two flexible electronic pneumatic cylinders that are used for the leveling, and two flexible pneumatic cylinders drive corresponding baffle respectively, and the baffle provides better material and spills the function of preventing at the leveling in-process, has improved the practicality that skid steer loader lifts levelling mechanism.

However, as with other existing lifting and leveling devices of the loader, the lifting and leveling mechanism of the skid steer loader performs leveling operation through a leveling electric hydraulic cylinder arranged at the upper end of a bucket, and in the use process of the bucket, the bottom end of the bucket is rotationally connected with a lifting arm through a connecting part, the top end of the bucket is rotationally connected with the lifting arm through a leveling electric hydraulic rod, and the bucket is driven to rotate by taking the connecting part at the front end of the lifting arm as a fulcrum through the expansion and contraction of the leveling electric hydraulic rod, so that the bucket is leveled. The leveling structure has the defects that although leveling can be performed, the bucket is controlled to rotate by stretching through a single leveling electric hydraulic rod, the weight of the bucket is large, the distance between the leveling electric hydraulic rod and a fulcrum of a connecting part is large, the rotating speed of the bucket is low, leveling cannot be completed quickly, and the adjusting range of the bucket is small under the influence of the stroke of the leveling electric hydraulic rod. There is a great need for improvements to existing loader lift leveling mechanisms.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lifting leveling mechanism of a loader bucket capable of quickly leveling, which can effectively improve the leveling speed of the loader bucket and can greatly improve the adjustable range of the bucket.

The technical scheme for solving the technical problems is as follows:

the utility model provides a can quick leveling's loader bucket lifts leveling mechanism, it includes lifting arm, lifting hydraulic cylinder, the connecting block, the bucket mounting bracket, the scraper bowl, go up the leveling hydraulic cylinder, the rear end of lifting arm is connected through the pivot with the support of loader, install the lifting hydraulic cylinder between the lower part of lifting arm and the loader support, the front end of lifting arm is connected with the bucket mounting bracket through the connecting block, the scraper bowl is installed on the scraper bowl mounting bracket, the cylinder body rear end of going up the leveling hydraulic cylinder is connected with the front end upper portion of lifting arm, the hydraulic push rod of going up the leveling hydraulic cylinder is connected with the upper end of bucket mounting bracket, the improvement is, the outer terminal surface of the front end lower part of lifting arm has the spout, the spout is along the length direction of the front end of lifting arm, the opening of spout is relative with the rear end of bucket mounting bracket, install the slider in the spout, the lower part and the spout are sliding fit, the outside of slider, the upper portion and the sliding seat fixed connection of slider, the rear end and the front end of push rod of lower leveling hydraulic cylinder are connected with the front end of the connecting rod of lower leveling cylinder, the front end of lower leveling cylinder is connected with the front end of the connecting rod through the round pin axle respectively.

The lifting leveling mechanism of the loader bucket capable of leveling rapidly comprises the rear part of the connecting block, the front end face of the lifting arm is welded and connected with the rear part of the connecting block, the front part of the connecting block is provided with a horizontal rotating hole, the rear end face of the bucket mounting frame is provided with two parallel shaft lugs, the two shaft lugs are provided with opposite shaft holes, the front part of the connecting block is embedded between the two shaft lugs, and the rotating shaft rotates and connects the front part of the connecting block with the rear end face of the bucket mounting frame through the shaft holes of the shaft lugs and the rotating holes of the connecting block.

The beneficial effects of the utility model are as follows:

according to the utility model, the lifting arm hydraulic cylinder drives the lifting arm to lift, when the bucket is leveled, the hydraulic push rod of the upper leveling hydraulic cylinder contracts to drive the bucket mounting frame and the bucket to rotate anticlockwise, meanwhile, the hydraulic push rod of the lower leveling hydraulic cylinder extends to push the sliding seat to move forwards, the sliding seat pushes the bucket mounting frame and the bucket to rotate anticlockwise through the connecting rod, and the lower leveling hydraulic cylinder can assist the upper leveling hydraulic cylinder to level the bucket at the same time.

The utility model has reasonable structure and convenient use, can effectively improve the leveling speed of the bucket, and can greatly improve the adjustable range of the bucket, thereby improving the working efficiency of the loader.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a partial view of fig. 1.

The figures are labeled as follows: the loader 1, the bracket 2, the lifting arm 3, the lifting arm hydraulic cylinder 4, the connecting block 5, the bucket mounting frame 6, the bucket 7, the upper leveling hydraulic cylinder 8, the chute 9, the sliding block 10, the sliding seat 11, the lower leveling hydraulic cylinder 12, the connecting rod 13, the pin shaft 14, the shaft lug 15 and the rotating shaft 16.

Detailed Description

The utility model comprises a lifting arm 3, a lifting arm hydraulic cylinder 4, a connecting block 5, a bucket mounting frame 6, a bucket 7, an upper leveling hydraulic cylinder 8, a chute 9, a sliding block 10, a sliding seat 11, a lower leveling hydraulic cylinder 12, a connecting rod 13, a pin shaft 14, a shaft lug 15 and a rotating shaft 16.

Fig. 1 shows that the rear end of the lifting arm 3 is connected with the bracket 2 of the loader 1 through a rotating shaft, and a lifting hydraulic cylinder 4 is installed between the lower part of the lifting arm 3 and the bracket 2 of the loader 1, and the lifting hydraulic cylinder 4 lifts the lifting arm 3.

Fig. 1 shows that the front end of the lifting arm 3 is connected with a bucket mounting frame 6 through a connecting block 5, a bucket 7 is mounted on the bucket mounting frame 6, and the connecting block 5 supports the bucket mounting frame 6, so that the bucket mounting frame 6 and the bucket 7 can perform a digging operation. The rear part of the connecting block 5 is welded with the front end face of the lifting arm 3, the front part of the connecting block 5 is provided with a horizontal rotating hole, the rear end face of the bucket mounting frame 6 is provided with two parallel shaft lugs 15, the two shaft lugs 15 are provided with opposite shaft holes, the front part of the connecting block 5 is embedded between the two shaft lugs 15, and the rotating shaft 16 rotates and connects the front part of the connecting block 5 with the rear end face of the bucket mounting frame 6 through the shaft holes of the shaft lugs 15 and the rotating hole of the connecting block 5.

Fig. 1 shows that the rear end of the cylinder body of the upper leveling hydraulic cylinder 8 is connected with the upper part of the front end of the lifting 3 arm, and the hydraulic push rod of the upper leveling hydraulic cylinder 8 is connected with the upper end of the bucket mounting frame 6. The bucket mounting frame 6 is connected with the connecting block 5 through a rotating shaft, so that when the hydraulic push rod of the upper leveling hydraulic cylinder 8 stretches out and contracts, the bucket mounting frame 6 and the bucket 7 can be driven to rotate by taking the front end rotating shaft of the connecting block 5 as a fulcrum, and leveling is carried out.

Fig. 1 shows that in order to accelerate the leveling speed and increase the adjustable range of the bucket, a lower leveling hydraulic cylinder 12 and a mounting structure are added between the lower end of the front part of the lifting arm and the bucket mounting frame 6, and the lower leveling hydraulic cylinder 12 can assist the upper leveling hydraulic cylinder 8 to level the bucket 7 at the same time.

Fig. 1 and 2 show that the mounting structure of the lower leveling hydraulic cylinder 12 is that a chute 9 is arranged on the outer end face of the lower part of the front end of the lifting arm 3, the chute 9 is opposite to the rear end face of the bucket mounting frame 6 along the length direction of the front end of the lifting arm 3, a sliding block 10 is arranged in the chute 9, the lower part of the sliding block 10 is in sliding fit with the chute 9, the upper part of the sliding block 10 is arranged outside the chute 9, the upper part of the sliding block 10 is fixedly connected with a sliding seat 11, the rear end of the sliding seat 11 is connected with the front end of a hydraulic push rod of the lower leveling hydraulic cylinder 12, a cylinder body of the lower leveling hydraulic cylinder 12 is fixed on the front end face of the lifting arm 3, a connecting rod 13 is arranged between the sliding seat 11 and the bucket mounting frame 6, and two ends of the connecting rod 13 are respectively connected with the front end of the sliding seat 11 and the lower part of the bucket mounting frame 6 through a pin 14.

The working process of the utility model is as follows:

the lifting arm hydraulic cylinder 4 drives the lifting arm 3 to lift, when the bucket 7 needs to be leveled, the hydraulic push rod of the upper leveling hydraulic cylinder 8 contracts to drive the bucket mounting frame 6 and the bucket 7 to rotate anticlockwise, meanwhile, the hydraulic push rod of the lower leveling hydraulic cylinder 12 stretches out to push the sliding seat 11 to move forwards, the sliding seat 11 pushes the bucket mounting frame 6 and the bucket 7 to rotate anticlockwise through the connecting rod 13, and the lower leveling hydraulic cylinder 12 can assist the upper leveling hydraulic cylinder 8 to level the bucket 7 simultaneously.

One embodiment of the utility model is as follows:

the model of the upper leveling hydraulic cylinder 8 is HSGL01E125/80-500;

the length of the chute 9 is 200mm, the width is 100mm, and the depth is 100mm;

the length of the slide block 10 is 50mm, the width is 50mm, and the height is 50mm;

the length of the sliding seat 11 is 80mm, the width is 80mm, and the height is 80mm;

the model of the lower leveling hydraulic cylinder 12 is HSGL01E125/80-500;

the length of the connecting rod 13 is 500mm, the width is 100mm, and the thickness is 50mm;

the pin 14 has a diameter of 30mm and a length of 50mm.

Claims (2)

1. The utility model provides a can quick leveling loader bucket lift leveling mechanism, it includes lift arm (3), lift pneumatic cylinder (4), connecting block (5), bucket mounting bracket (6), bucket (7), go up leveling pneumatic cylinder (8), lift arm (3) rear end is connected through the pivot with support (2) of loader (1), install lift pneumatic cylinder (4) between lift arm (3) lower part and support (2) of loader (1), lift arm (3) front end is connected with bucket mounting bracket (6) through connecting block (5), bucket (7) are installed on bucket mounting bracket (6), go up leveling pneumatic cylinder (8) cylinder body rear end and lift arm (3) front end upper portion and be connected, go up leveling pneumatic cylinder (8) hydraulic push rod and bucket mounting bracket (6) upper end, its characterized in that: the outer terminal surface of the front end lower part of lifting arm (3) has spout (9), spout (9) is along the length direction of the front end of lifting arm (3), the opening of spout (9) is relative with the rear end face of scraper bowl mounting bracket (6), install slider (10) in spout (9), the lower part and the spout (9) of slider (10) are sliding fit, the outside of spout (9) is located in the upper portion of slider (10), the upper portion and sliding seat (11) fixed connection of slider (10), the rear end and the front end of the hydraulic push rod of lower leveling pneumatic cylinder (12) are connected, the cylinder body of lower leveling pneumatic cylinder (12) is fixed on the front end of lifting arm (3), be connected between sliding seat (11) and scraper bowl mounting bracket (6) connecting rod (13), the both ends of connecting rod (13) are connected with the front end of sliding seat (11) and the lower part of scraper bowl mounting bracket (6) through round pin axle (14) respectively.

2. The quick leveling loader bucket lift leveling mechanism of claim 1, wherein: the rear part of connecting block (5) and the preceding terminal surface welded connection of lifting arm (3), the front portion of connecting block (5) has horizontal rotation hole, has two parallel axle ear (15) on the rear end face of scraper bowl mounting bracket (6), has relative shaft hole on two axle ear (15), and the front portion of connecting block (5) inlays between two axle ear (15), and rotation axis (16) are through the shaft hole of axle ear (15) and the rotation hole of connecting block (5) with the front portion of connecting block (5) and the rear end face rotation connection of scraper bowl mounting bracket (6).