CN212689032U

CN212689032U - Wheel type telescopic arm loader working device

Info

Publication number: CN212689032U
Application number: CN202020724222.9U
Authority: CN
Inventors: 王枫辉; 王海滨
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-03-12
Anticipated expiration: 2030-05-06

Abstract

The utility model relates to a wheeled flexible arm loader equipment, its characterized in that: the wheel type telescopic arm loader working device takes the amplification oil cylinder as a driving component, the amplification oil cylinder is hinged to two sides of the I-stage arm of the telescopic arm to lift and descend the telescopic arm with a solid line, the rear end of the I-stage arm of the telescopic arm is hinged to the front frame, the II-stage arm of the telescopic arm and the I-stage arm of the telescopic arm control relative movement through the telescopic oil cylinder and support between the two through a nylon sliding block, the front end of the II-stage arm of the telescopic arm is provided with a six-connecting-rod bucket overturning mechanism, the bucket rotating oil cylinder in the mechanism is a driving part, and the requirement of the rotation angle of the bucket at the limit position can be met. The utility model discloses can make the loader have higher uninstallation height and great working range when possessing the scraper bowl corner scope similar with ordinary wheel loader.

Description

Wheel type telescopic arm loader working device

The technical field is as follows:

the utility model relates to an engineering machine tool field, concretely relates to wheeled flexible arm loader equipment

Background art:

the loader is generally applied to various fields at present, but is limited by the structural characteristics that the length of a movable arm of a common loader is fixed, and for some special loading occasions such as forest farms, large warehouses, wharfs and the like, the common loader is difficult to meet the requirements of larger and wider loading and unloading heights and working ranges. Therefore, the telescopic arm loader which has a wider operation range than that of a common loader and can ensure the shoveling performance equivalent to that of the common loader has important significance.

Chinese patent application No. 201720067694.X, published 2017, 10.13, the utility model discloses a flexible arm mechanism before loader, the utility model discloses an application discloses a flexible arm mechanism of loader, this flexible arm mechanism comprises accessory, auxiliary boom, the main arm, become width of cloth hydro-cylinder, leveling cylinder, preceding frame, flexible hydro-cylinder, tipping bucket hydro-cylinder etc. though this utility model discloses make the loader can realize higher lifting height and bigger working amplitude, but the weak point lies in that can't guarantee that the scraper bowl can reach the standard corner extreme position of ordinary loader when highest station and minimum station, and when the scraper bowl is receiving partial load, can produce great moment of torsion to flexible arm, make the complete machine unstability topple easily.

The utility model has the following contents:

the technical problem to be solved is as follows: the utility model aims at providing a have bigger operation scope than ordinary loader and can guarantee again to shovel the flexible arm loader that the performance matches with ordinary loader, the utility model discloses a wheeled flexible arm loader equipment that designs just can satisfy this requirement, fine balanced the performance demand of each side, rely on this equipment's the overhanging of lifting and flexible arm, can make the scraper bowl cross the irrigation canals and ditches, occasion such as step load and unload the operation, have very high suitability to workplaces such as forest farm, simultaneously through the link mechanism's to the last drive scraper bowl of equipment rational design, can have better translation performance and the automatic nature of putting of lifting simultaneously.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model relates to a wheel type telescopic arm loader working device, which consists of a front frame (1), a telescopic oil cylinder (2), a telescopic arm II-level arm (3), a rocker arm (4), a bucket (5), a bucket connecting rod (6), a bucket overturning oil cylinder (7), a telescopic arm I-level arm (8), an amplification oil cylinder (9) and a servo oil cylinder (10), wherein two L-shaped side plates are welded at two sides of the front end of the telescopic arm II-level arm (3), a beam for connecting the bucket overturning oil cylinder (7) and the rocker arm (4) is respectively welded between the side plates, a bucket overturning six-rod mechanism is arranged between the two L-shaped side plates, the overturning six-rod mechanism consists of the bucket overturning oil cylinder (7), the rocker arm (4), the bucket connecting rod (6), the L-shaped side plates at two sides of the front end of the telescopic arm II-level arm (3) and the bucket (5), a hydraulic cylinder of the bucket overturning oil cylinder (7), the piston is hinged with the lower part of the rocker arm (4), the middle part of the rocker arm (4) is hinged with the cross beam, the upper part of the rocker arm is hinged with the bucket connecting rod (6), the upper end of the bucket is provided with a hinged point, the lower end of the bucket is provided with two hinged points, the bucket connecting rod (6) is hinged with the hinged point of the upper part of the bucket, and the front ends of L-shaped side plates at two sides welded with the II-stage arm (3) of the telescopic arm are; two hinge joints for installing an amplification oil cylinder (9) are arranged on two sides of a front frame (1) of the wheel type telescopic arm loader working device, a hinge joint connected with a telescopic arm I-stage arm (8) is arranged above the wheel type telescopic arm loader working device, a hinge joint for installing a follow-up oil cylinder (10) is arranged below the wheel type telescopic arm loader working device, and the front frame (1) is connected with a rear frame of a vehicle body; the working device of the wheel type telescopic arm loader is characterized in that the rear end of a telescopic arm I-stage arm (8) is hinged above a frame (1), the maximum lifting angle is 50 degrees, the telescopic arm I-stage arm (8) and a telescopic arm II-stage arm (3) form a moving pair through a supporting slide block, an oil cylinder connecting seat is arranged at the rear part of the telescopic arm I-stage arm (8), an oil cylinder connecting seat is arranged at the front end of the telescopic arm II-stage arm (3), the oil cylinder connecting seat and the oil cylinder connecting seat are respectively hinged with an oil cylinder and a piston of a telescopic oil cylinder (2), the telescopic oil cylinder and the supporting slide block ensure stable relative motion between the two stages of arms, and the working device is provided with a telescopic; the middle parts of two sides of a telescopic arm I-stage arm (8) of the wheel type telescopic arm loader working device are provided with lifting connecting plates, the lifting connecting plates are welded with steel plate shells on two sides of the telescopic arm I-stage arm (8) through two pairs of reinforcing rib plates, the influence of unbalanced load on the telescopic arm can be well born, one end of an amplification oil cylinder (9) is hinged with a front frame (1), the other end of the amplification oil cylinder is hinged with the lifting connecting plates on two sides of the telescopic arm I-stage arm (8), and the working device is provided with two amplification oil cylinders (9); an oil cylinder connecting seat is arranged below a telescopic arm I-stage arm (8) of the wheel type telescopic arm loader working device and is hinged with a piston of a follow-up oil cylinder (10), a hydraulic cylinder of the follow-up oil cylinder (10) is hinged with a hinged point of the follow-up oil cylinder below a front frame (1), and the working device is provided with the follow-up oil cylinder (10); according to the wheel type telescopic arm loader working device, in the lifting process, the follow-up oil cylinder (10) and the bucket overturning oil cylinder (7) form a closed loop, the follow-up oil cylinder (10) extends under the driving of the telescopic arm in the lifting process, the bucket overturning oil cylinder (7) contracts and the bucket lifting process is kept in translation, the follow-up oil cylinder (10) and the bucket overturning oil cylinder (7) are disconnected from the closed loop in the high-position unloading process, and the bucket overturning oil cylinder (7) does not influence the follow-up oil cylinder (10) and works independently.

The utility model has the advantages that: the utility model discloses the novel structure, rational in infrastructure, both changed the restriction of traditional wheel loader movable arm fixed length and changed into telescopic boom structure and make it can be guaranteeing great lifting height, under the prerequisite of great uninstallation height and uninstallation distance, realize with the help of six link mechanism of scraper bowl of rational design with the similar great scraper bowl corner of ordinary loader, better translation performance and automatic leveling have simultaneously, not only so can also effectively undertake the unbalance loading that the scraper bowl load produced, reduce the moment of torsion that the unbalance loading produced telescopic boom, promote the stability of complete machine.

Description of the drawings:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view I of the present invention

FIG. 2 is a schematic diagram II of the present invention

FIG. 3 is the working condition diagram of the lowest shovel loader of the utility model

FIG. 4 is the highest discharge operation pattern of the utility model

FIG. 5 is a drawing I of the bucket link mechanism of the present invention

FIG. 6 is a drawing II of the bucket link mechanism of the present invention

The device comprises a front frame 1, a 2-telescopic oil cylinder, a 3-telescopic arm II-stage arm, a 4-rocker arm, a 5-bucket, a 6-bucket connecting rod, a 7-bucket overturning oil cylinder, an 8-telescopic arm I-stage arm, a 9-amplification oil cylinder and a 10-follow-up oil cylinder.

The specific implementation mode is as follows:

referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, the utility model discloses a wheel type telescopic arm loader equipment comprises front frame (1), telescopic cylinder (2), telescopic arm II level arm (3), rocking arm (4), scraper bowl (5), scraper bowl connecting rod (6), scraper bowl upset hydro-cylinder (7), telescopic arm I level arm (8), amplification hydro-cylinder (9), follow-up hydro-cylinder (10).

Referring to fig. 1, 2, 3, 4, 5 and 6, the wheel type telescopic arm loader working device is characterized in that two hinge points for installing an amplification oil cylinder (9) are arranged on two sides of a front frame (1), a hinge point connected with a telescopic arm I-stage arm (8) is arranged above the front frame, a hinge point for installing a follow-up oil cylinder (10) is arranged below the front frame, and the front frame (1) is connected with a rear frame of a vehicle body; wheel-type flexible arm loader equipment, flexible arm I level arm (8) rear end articulates in frame (1) top through the round pin axle, set for the biggest lifting angle to be 50, flexible arm I level arm (8) and flexible arm II level arm (3) constitute the sliding pair through supporting slider, flexible arm I level arm (8) rear portion has the hydro-cylinder connecting seat, flexible arm II level arm (3) front end is provided with the hydro-cylinder connecting seat, the two is articulated with the hydro-cylinder and the piston of flexible hydro-cylinder (2) respectively, flexible hydro-cylinder and supporting slider have guaranteed the steady relative motion between the two-stage arm, this equipment is equipped with one flexible hydro-cylinder (2).

Referring to fig. 1, 2, 3, 4, 5 and 6, the wheel type telescopic boom loader working device is characterized in that lifting connecting plates are arranged in the middle of two sides of a telescopic boom I-level boom (8), the lifting connecting plates are welded with steel plate shells on two sides of the telescopic boom I-level boom (8) through two pairs of reinforcing rib plates, the influence of unbalance loading on the telescopic boom can be well born, one end of an amplification oil cylinder (9) is hinged with a front frame (1), the other end of the amplification oil cylinder is hinged with the lifting connecting plates on two sides of the telescopic boom I-level boom (8), and the working device is provided with two amplification oil cylinders (9); according to the wheel type telescopic arm loader working device, an oil cylinder connecting seat is arranged below a telescopic arm I-stage arm (8) and hinged to a piston of a follow-up oil cylinder (10), a hydraulic cylinder of the follow-up oil cylinder (10) is hinged to a hinged point of the follow-up oil cylinder below a front frame (1), and the working device is provided with the follow-up oil cylinder (10).

Referring to fig. 1, 2, 3, 4, 5 and 6, the wheel type telescopic arm loader working device has two L-shaped side plates welded to two sides of the front end of the second-stage telescopic arm (3), a beam connecting the bucket turning cylinder (7) and the rocker arm (4) is welded between the side plates, a bucket turning six-bar mechanism is arranged between the two L-shaped side plates, and the bucket turning six-bar mechanism mainly comprises the bucket turning cylinder (7), the rocker arm (4), a bucket connecting rod (6), the L-shaped side plates on two sides of the front end of the second-stage telescopic arm (3) and the bucket (5).

Referring to fig. 1, 2, 3, 4, 5 and 6, the wheel type telescopic arm loader working device, the hydraulic cylinder of the bucket turning cylinder (7) is hinged with a beam, a piston is hinged with the lower part of a rocker arm (4), the middle part of the rocker arm (4) is hinged with the beam, the upper part is hinged with a bucket connecting rod (6), the upper end of the bucket is provided with a hinged point, the lower end of the bucket is provided with two hinged points, a bucket connecting rod (6) is hinged with the hinged point at the upper part of the bucket, the front ends of the L-shaped side plates at two sides welded with the II-stage arm (3) of the telescopic arm are hinged with two hinged points below the bucket, in the lifting process, when the bucket overturning oil cylinder (7) contracts under the action of the follow-up oil cylinder (10), the rocker arm (4) rotates clockwise under the action of the rocker arm, and drives the bucket connecting rod (6) to enable the bucket to rotate clockwise so as to keep the horizontal lifting of the bucket in the lifting process and prevent materials from being scattered.

Referring to fig. 1, 2, 3, 4, 5 and 6, in the lifting process of the wheel type telescopic arm loader working device, the following oil cylinder (10) and the bucket overturning oil cylinder (7) form a closed loop, the following oil cylinder (10) extends under the driving of the lifting process of the telescopic arm, so that the bucket overturning oil cylinder (7) contracts and the bucket lifting process keeps translational motion, the following oil cylinder (10) and the bucket overturning oil cylinder (7) are disconnected from the closed loop in the high-position unloading process, and the bucket overturning oil cylinder (7) does not influence the following oil cylinder (10) and works independently.

The present invention is not limited to the above embodiments, and those skilled in the art can modify, supplement or replace the described embodiments in a similar manner without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. The utility model provides a wheeled flexible arm loader equipment which characterized in that: the main body of the device consists of a front frame (1), a telescopic oil cylinder (2), a telescopic arm II-level arm (3), a rocker arm (4), a bucket (5), a bucket connecting rod (6), a bucket overturning oil cylinder (7), a telescopic arm I-level arm (8), an amplification oil cylinder (9) and a follow-up oil cylinder (10), wherein two L-shaped side plates are welded on two sides of the front end of the telescopic arm II-level arm (3), cross beams for connecting the bucket overturning oil cylinder (7) and the rocker arm (4) are respectively welded between the side plates, a bucket overturning six-rod mechanism is arranged between the two L-shaped side plates, the reversing six-rod mechanism consists of the bucket overturning oil cylinder (7), the rocker arm (4), the bucket connecting rod (6), the L-shaped side plates on two sides of the front end of the telescopic arm II-level arm (3) and the bucket (5), a hydraulic cylinder of the bucket overturning oil cylinder (7) is hinged with, rocking arm (4) middle part is articulated with the crossbeam, and upper portion is articulated with scraper bowl connecting rod (6), and there is a pin joint scraper bowl upper end, and the lower extreme has two pin joints, and scraper bowl connecting rod (6) are articulated with scraper bowl upper portion pin joint, and two pin joints below with II level arm (3) welded both sides L shape curb plate front end of flexible arm are articulated with the scraper bowl.

2. The wheeled telescopic arm loader work apparatus of claim 1, wherein: two hinge joints for installing the amplification oil cylinders (9) are arranged on two sides of the front frame (1), a hinge joint connected with the I-stage arm (8) of the telescopic arm is arranged above the front frame, a hinge joint for installing the follow-up oil cylinder (10) is arranged below the front frame, and the front frame (1) is connected with the rear frame of the vehicle body.

3. The wheeled telescopic arm loader work apparatus of claim 1, wherein: the rear end of an I-stage arm (8) of a telescopic arm is hinged above a vehicle frame (1), the I-stage arm (8) of the telescopic arm and a II-stage arm (3) of the telescopic arm form a sliding pair through a support slider, an oil cylinder connecting seat is arranged at the rear part of the I-stage arm (8) of the telescopic arm, an oil cylinder connecting seat is arranged at the front end of the II-stage arm (3) of the telescopic arm, the two are hinged with an oil cylinder and a piston of a telescopic oil cylinder (2) respectively, and the working device is provided with the telescopic oil cylinder (2).

4. The wheeled telescopic arm loader work apparatus of claim 1, wherein: the two sides of the I-level arm (8) of the telescopic arm are provided with lifting connecting plates, the two sides of the I-level arm (8) of the telescopic arm are welded together through reinforcing rib plates, one end of each amplification oil cylinder (9) is hinged to the front frame (1), the other end of each amplification oil cylinder is hinged to the lifting connecting plates on the two sides of the I-level arm (8) of the telescopic arm, and the working device is provided with two amplification oil cylinders (9).

5. The wheeled telescopic arm loader work apparatus of claim 1, wherein: an oil cylinder connecting seat is arranged below the I-stage arm (8) of the telescopic arm and is hinged with a piston of a follow-up oil cylinder (10), a hydraulic cylinder of the follow-up oil cylinder (10) is hinged with a hinged joint of the follow-up oil cylinder below the front frame (1), and the working device is provided with the follow-up oil cylinder (10).

6. The wheeled telescopic arm loader work apparatus of claim 1, wherein: in the lifting process, the follow-up oil cylinder (10) and the bucket overturning oil cylinder (7) form a closed loop, the follow-up oil cylinder (10) extends under the driving of the telescopic arm in the lifting process, the bucket overturning oil cylinder (7) is contracted, the bucket lifting process is kept in translation, the follow-up oil cylinder (10) and the bucket overturning oil cylinder (7) are disconnected from the closed loop in the high-position unloading process, and the bucket overturning oil cylinder (7) does not influence the follow-up oil cylinder (10) and works independently.