CN220013808U - Fork and loader - Google Patents

Abstract

The utility model relates to a loader, which aims to solve the problem that the maximum tilt angle of a fork arranged on the existing loader is limited and can not be adapted to the operation requiring a large tilt angle. The holding fork is arranged on the loader, so that the maximum inclination angle of the lower fork body can be increased, and the operation range of the holding fork is enlarged.

Description

Fork and loader

Technical Field

The utility model relates to a loader, in particular to a fork and a loader.

Background

The front end of the working device of the loader can be provided with various accessories, such as a bucket, a fork, and the like. The loader attachment is provided with a hinge seat connected with the movable arm and the rotating bucket connecting rod, and the rotating bucket oil cylinder of the loader pushes the attachment to turn back and forth through the rocker arm and the rotating bucket connecting rod.

In the existing loader, the bucket is a main accessory of the loader, and a rotating bucket mechanism of the loader is designed mainly according to the condition that the accessory is the bucket, and the angle of the rotating bucket mechanism for pushing the bucket to turn back and forth accords with the bucket operation requirement.

Besides the bucket, the attachment on the loader is also provided with a fork, and the fork holding operation characteristics are different from those of the bucket, for example, when the fork holding operation clamps or unloads, the openings of the upper fork teeth and the lower fork teeth need to face downwards, and therefore, a large inclination angle is needed for the lower fork body. The existing rotating bucket mechanism adapted to the bucket drives the holding fork to perform front-back overturning, the inclination angle of the lower fork body is limited, and the overturning angle of the holding fork cannot be adapted to the operation characteristics of the holding fork, so that the operation efficiency is affected.

Disclosure of Invention

The utility model aims to solve the technical problem that the maximum tilt angle of a fork arranged on the existing loader is limited and cannot be adapted to the operation requiring a large tilt angle, and provides the fork and the loader.

The technical scheme for achieving the purpose of the utility model is as follows: the utility model provides a structure embraces fork, its includes embraces fork main part, embraces fork main part including the lower fork body that has lower fork tooth, through the last fork tooth of round pin axle rotation installation on lower fork body, drive the fork hydro-cylinder of fork tooth pivoted, its characterized in that embraces the fork still includes the link, lower back lower part of fork body through horizontal round pin axle articulated in the front side of link is provided with between link and lower fork body and promotes lower fork body around horizontal pin axle pivoted inclination adjustment hydro-cylinder, the trailing flank of link is provided with the installation interface.

According to the utility model, the lower fork body can adjust the posture of the lower fork body and the connecting frame through the inclination adjusting oil cylinder, so that the range of the maximum inclination angle of the lower fork body is increased, and the inclination angle of the holding fork is adapted to the operation characteristics of the holding fork.

In the fork, two fork-holding hinging seats for hinging with a lower fork body are arranged on the front side surface of a connecting frame, and each fork-holding hinging seat is composed of two parallel L-shaped fork-holding hinged plates; the lower fork body is provided with a connecting frame hinging seat matched with the fork hinging seat, and the connecting frame hinging seat is positioned between two fork hinging plates of the fork hinging seat; the tilt adjusting oil cylinder is arranged between two embracing fork hinged plates of the embracing fork hinged seat, the lower end of the tilt adjusting oil cylinder is hinged with the rear end of the connecting frame hinged seat through a pin shaft, and the upper end of the tilt adjusting oil cylinder is hinged with the upper parts of the two embracing fork hinged plates of the embracing fork hinged seat through a pin shaft.

In the fork, the lower part of the connecting frame hinging seat is provided with an extension part which extends backwards and is used for being connected with the fork hinging seat and the inclination adjusting oil cylinder.

In the holding fork, the lower fork body comprises an upper cross beam and a lower cross beam, wherein two ends of the upper cross beam are respectively and fixedly connected with the lower fork teeth, a plurality of support plates are arranged between the two lower fork teeth at intervals in parallel, the upper part and the lower part of the support plates are correspondingly and fixedly connected with the upper cross beam and the lower cross beam, and each connecting frame hinging seat consists of two adjacent support plates.

In the clasping fork, the clasping fork hinge seat further comprises a connecting plate welded with the tops of the two clasping fork hinge plates.

In the cradle of the utility model, the connecting frame comprises a vertically arranged support plate, the cradle hinging seat is arranged at the front side of the support plate, and the mounting interface is arranged at the rear side of the support plate.

In the holding fork, the mounting interface comprises two movable arm connecting seats for being hinged with the movable arm and a rotating bucket connecting seat for being hinged with the rotating bucket connecting rod.

In the holding fork, the movable arm connecting seat and the rotating bucket connecting seat are respectively composed of two hinged seat plates which are parallel to each other and are vertically arranged.

In the holding fork, a groove-shaped bent plate is arranged between two adjacent hinged seat plates, the notch of the bent plate is welded with a support plate, and two ends of the bent plate are welded with the hinged seat plates.

The technical scheme for achieving the purpose of the utility model is as follows: the loader is characterized in that the front part of a working device of the loader is provided with the holding fork, and an installation interface on the connecting frame is connected with the movable arm and the rotating bucket connecting rod.

Compared with the prior art, the fork is arranged on the loader, so that the maximum inclination angle of the lower fork body can be increased, and the operation range of the lower fork body is enlarged.

Drawings

Fig. 1 is a schematic view of the structure of the yoke of the present utility model.

Fig. 2 is a schematic view of the structure of the yoke of the present utility model.

Fig. 3 is a schematic structural view of a lower fork body in the yoke according to the present utility model.

Fig. 4 is a schematic view of the structure of the rear side of the connecting frame in the yoke of the present utility model.

Fig. 5 is a schematic view of the structure of the front side of the connecting frame in the yoke of the present utility model.

Fig. 6 is a schematic view of the front part of the loader according to the present utility model.

Part names and serial numbers in the figure:

the fork comprises a fork body 10, a lower fork body 11, lower fork teeth 111, upper fork teeth 12, a fork cylinder 13, a connecting frame hinge seat 14, a support plate 141, a connecting frame hinge hole 142, an adjusting cylinder hinge hole 143, a horizontal pin shaft 15 and an upper cross beam 16.

The movable arm type hydraulic lifting device comprises a connecting frame 30, a supporting plate 31, a movable arm connecting seat 32, a rotating bucket connecting seat 33, a hinge seat plate 321, a bending plate 34, a fork-holding hinge seat 35, a fork-holding hinge plate 351 and a tilt adjusting oil cylinder 36.

Front frame 50, boom 51, boom cylinder 52, swing bucket cylinder 53, swing arm 54, and swing bucket link 55.

Detailed Description

The following describes specific embodiments with reference to the drawings.

Embodiment one.

Fig. 1 to 5 show the structure of the yoke in an embodiment of the present utility model.

As shown in fig. 1, the fork comprises a fork body 10, the fork body 10 comprises a lower fork body 11 with a lower fork tooth 111, an upper fork tooth 12 rotatably mounted on the lower fork body 11 through a pin shaft, a fork cylinder 13 for driving the upper fork tooth to rotate, a connecting frame 30, the lower part of the back of the lower fork body 11 is hinged on the front side of the connecting frame 30 through a horizontal pin shaft 15, an inclination adjusting cylinder 13 for pushing the lower fork body 11 to rotate around the horizontal pin shaft 12 is arranged between the connecting frame 30 and the lower fork body 11, and the rear side of the connecting frame 30 is provided with an installation interface.

As shown in fig. 4 and 5, the connection frame 30 includes a vertically arranged bracket plate 31, a yoke hinge seat is arranged at a front side of the bracket plate 31, and a mounting interface is arranged at a rear side of the bracket plate 31.

As shown in fig. 5, two fork-holding hinge seats 35 for connecting with the lower fork 11 are arranged on the front side surface of the connecting frame 31, and each fork-holding hinge seat 35 is composed of two parallel L-shaped fork-holding hinge plates 351; the lower portion of the yoke hinge plate 351 extends forward. The lower fork body 11 is provided with a connecting frame hinging seat 14 matched with the fork hinging seat 35, and the connecting frame hinging seat 14 is positioned between two fork hinging plates 351 of the fork hinging seat 35; the tilt adjusting oil cylinder 36 is arranged between two fork hinged plates 351 of the fork hinged seat 35, the lower end of the tilt adjusting oil cylinder 35 is hinged with the rear end of the connecting frame hinged seat 14 through a pin shaft, and the upper end of the tilt adjusting oil cylinder is hinged with the upper parts of the two fork hinged plates 351 of the fork hinged seat 35 through a pin shaft. A connecting plate 352 is welded at the top of the two fork hinged plates 351, and the connecting plate 352 is positioned above the tilt adjusting oil cylinder and connected with the top of the fork hinged plates.

As shown in fig. 2 and 3, the lower fork 11 includes two lower tines 111. The lower portions of the two lower tines 111 extend forward and the rear portions of the lower tines 111 extend upward. An upper beam 16 and a lower beam (not shown) are disposed between the upwardly extending portions of the lower tines 111, and a plurality of support plates 141 are disposed between the lower tines 111, the upper and lower portions of each support plate 141 being provided with holes through which the upper and lower beams 16 and 141 pass, and each support plate 141 being welded to the upper and lower beams 16 and 141. The rear part of the upper fork teeth 12 is rotatably connected to the upper part between a pair of support plates 141 close to the lower fork teeth through a pin shaft, the upper end of the fork cylinder 13 is rotatably connected with the rear end of the upper fork teeth, and the lower end is rotatably connected with the lower parts of the support plates.

The link hinge seat 14 is formed of two parallel and adjacent support plates 141. The lower part of the support plate constituting the link hinge seat 14 has an extension part extending rearward, and a link hinge hole 142 connected with the yoke hinge seat and an adjustment cylinder hinge hole 143 connected with the tilt adjustment cylinder are provided on the extension part.

As shown in fig. 4, the mounting interface includes two boom connection mounts 32 for articulating with the boom and a swing bucket connection mount 33 for articulating with the swing bucket link. The boom connecting seat 32 and the swing bucket connecting seat 33 are each constituted by two hinge seat plates 321 arranged vertically in parallel with each other. A groove-shaped bending plate 34 is arranged between two adjacent hinge seat plates 321, the notch of the bending plate 34 is welded with the support plate 31, and two ends of the bending plate are welded with the hinge seat plates 321, so that a box-shaped structure is formed, and the strength of the support plate 31 is enhanced.

Embodiment two.

Fig. 6 shows a structure of a front part of the loader in an embodiment of the present utility model.

As shown in fig. 6, the present loader includes a front frame and a work device mounted on the front frame 50. The working device comprises a movable arm 51, a movable arm oil cylinder 52, a holding fork, a rotating bucket oil cylinder 53, a rotating bucket pull rod 55, a rocker arm 54 and the like. Two movable arm connecting seats 32 on the connecting frame 30 are connected with the front ends of the movable arms 51, and the rotating bucket connecting seat 33 is connected with the rotating bucket connecting rod 55.

In this embodiment, the extension and retraction of the bucket cylinder 53 can push the connecting frame 30 to turn back and forth through the rocker arm 54 and the bucket connecting rod 55, so as to realize the back and forth turning of the fork. When the connecting frame 30 is turned forward to a maximum angle, the tilt adjusting cylinder 36 is retracted, so that the fork-holding main body 10 is turned further downwards relative to the connecting frame 30, and the maximum angle of the forward turning of the fork-holding main body 10 is increased to adapt to some special operation requirements.

Claims (10)

1. The utility model provides a hold fork, its includes holds fork main part, hold fork main part including have down fork body, through the round pin axle rotate install fork hydro-cylinder of fork on fork body, drive, its characterized in that hold fork still includes the link, down the back lower part of fork body through the horizontal pin axle articulated in the front side of link, be provided with under pushing fork body around between link and the fork body the pivoted tilt adjustment hydro-cylinder of horizontal pin axle, the trailing flank of link is provided with the installation interface.

2. The clasping fork according to claim 1, characterized in that two clasping fork hinging seats for hinging with the lower fork body are arranged on the front side surface of the connecting frame, each clasping fork hinging seat is composed of two parallel L-shaped clasping fork hinged plates; the lower fork body is provided with a connecting frame hinging seat matched with the fork hinging seat, and the connecting frame hinging seat is positioned between two fork hinging plates of the fork hinging seat; the tilt adjusting oil cylinder is arranged between two embracing fork hinged plates of the embracing fork hinged seat, the lower end of the tilt adjusting oil cylinder is hinged with the rear end of the connecting frame hinged seat through a pin shaft, and the upper end of the tilt adjusting oil cylinder is hinged with the upper parts of the two embracing fork hinged plates of the embracing fork hinged seat through a pin shaft.

3. The yoke of claim 2, wherein the lower portion of the link hinge mount has an extension portion extending rearward for connection with the yoke hinge mount and the tilt adjustment cylinder.

4. The fork of claim 3, wherein the lower fork body comprises an upper cross beam and a lower cross beam, wherein two ends of the upper cross beam are respectively and fixedly connected with the lower fork teeth, a plurality of support plates are arranged between the two lower fork teeth at intervals in parallel, the upper parts and the lower parts of the support plates are correspondingly and fixedly connected with the upper cross beam and the lower cross beam, and each connecting frame hinging seat consists of two adjacent support plates.

5. The yoke of claim 2, wherein the yoke hinge mount further comprises a web welded to the top of the yoke hinge plate.

6. The clasping fork according to any one of claims 1 to 5, characterized in that the connection rack comprises a vertically arranged bracket plate, the clasping fork hinge seat being arranged on a front side of the bracket plate, the mounting interface being arranged on a rear side of the bracket plate.

7. The yoke of claim 6, wherein the mounting interface includes two boom attachment mounts for articulating with the boom and a bucket attachment mount for articulating with the bucket link.

8. The fork of claim 7, wherein the boom and bucket attachment bases are each comprised of two hinged saddle plates disposed parallel and vertically to each other.

9. The fork of claim 8, wherein a bent plate in the form of a groove is disposed between two adjacent hinged base plates, the notch of the bent plate is welded with the support plate, and both ends of the bent plate are welded with the hinged base plates.

10. A loader, characterized in that the front part of the working device of the loader is provided with a fork as claimed in any one of claims 1 to 9.