CN111042239A - Face shovel excavating and loading device capable of improving stroke and translation requirements - Google Patents
Face shovel excavating and loading device capable of improving stroke and translation requirements Download PDFInfo
- Publication number
- CN111042239A CN111042239A CN201911316526.XA CN201911316526A CN111042239A CN 111042239 A CN111042239 A CN 111042239A CN 201911316526 A CN201911316526 A CN 201911316526A CN 111042239 A CN111042239 A CN 111042239A
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- China
- Prior art keywords
- hinged
- movable arm
- bucket
- pair
- rod
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/308—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working outwardly
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/302—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom with an additional link
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/422—Drive systems for bucket-arms, front-end loaders, dumpers or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
Abstract
The invention provides a face shovel excavating and loading device capable of improving stroke and translational requirements, which comprises a rack, a movable arm, a bucket rod, a bucket and a pair of movable arm rockers, wherein the movable arms are arranged on the rack; the lower end of the movable arm is hinged with the rack, the upper end of the movable arm is hinged with one end of the bucket rod, the other end of the bucket rod is hinged with the upper portion of the bucket, the pair of movable arm rocking bars are symmetrically located on two sides of the movable arm and are respectively hinged with the middle of the movable arm, one ends of the pair of movable arm rocking bars are hinged with the rack through the pair of rack connecting rods, the other ends of the pair of movable arm rocking bars are hinged with the middle of the bucket rod through the pair of bucket rod hydraulic cylinders, the middle of the movable arm is hinged with the rack through the. The technical scheme provided by the invention has the beneficial effects that: the structure is simple and compact, the driving force performance of the movable arm is good, the stroke of the bucket is obviously increased, the operation efficiency is high, and the energy consumption is low.
Description
Technical Field
The invention relates to the technical field of excavators, in particular to a face shovel excavating and loading device capable of improving stroke and translational requirements.
Background
The front shovel excavating and loading device is a most commonly used working device of a hydraulic excavator, mainly takes blasted rocks, ores and vertical mine surfaces with a certain height as main working objects, has severe working conditions, and requires a main excavating structure to provide enough excavating force and lifting force, so the front shovel excavating and loading device is often used for medium-sized and large-sized excavators.
The working device of the excavator is a main component for completing all functions of the excavator, the research and development work of large hydraulic excavators in China starts late, and the research result of the working device of the hydraulic face shovel excavator in China is poor. Chinese patent CN200720177612.3 relates to an excavator hinge point arrangement mode, and the patent is mainly transformed on the basis of the original excavator whole machine, and comprises a movable arm, a bucket rod and a bucket rod oil cylinder, specifically, a hinge point of the movable arm and the bucket rod oil cylinder is arranged below the movable arm, a hinge point of the bucket rod and the bucket rod oil cylinder is arranged below the bucket rod, one end of the bucket rod oil cylinder is hinged with the movable arm, and the other end of the bucket rod oil cylinder is hinged with the bucket rod. In practice, the original backhoe excavation is changed into the forward shovel excavation. Chinese patent CN201120538781.1 relates to an excavator bucket rod and have excavator of this bucket rod, including bucket rod and the bucket rod reinforcing plate that sets up near the bucket rod, bucket rod reinforcing plate both ends are provided with the reinforcing plate base that wholly is the cuboid shape respectively, and the reinforcing plate base is fixed on the bucket rod, and bucket rod reinforcing plate and reinforcing plate base are connected with tenon fourth of the twelve earthly branches structural style block, and above patent has only made some improvements on manufacturing process, does not involve the structural optimization of excavator itself.
The major excavator manufacturers abroad include Kattpeller Corporation (CATERPILLR), Hitachi corporation, Libohel corporation (LIEBHERR), and Terex corporation, Germany (Terex). This structure is typically used in hydraulic excavators including "power triangle" members manufactured by Terex corporation, and then super-large face excavators manufactured by kattoteler corporation, but the "power triangle" structure is likely to be positionally strange during boom movement, and limits the excavation range. Although the face shovel hydraulic excavator of foreign manufacturers is mature in technology, the excavator is single in structural form and cannot meet transmission requirements under various working conditions.
Disclosure of Invention
In view of this, the embodiment of the invention provides a face shovel excavating and loading device capable of improving stroke and translation requirements, aiming at solving the defects that the bucket moving range of a common excavating and loading mechanism is small and cannot meet the translation requirement in the processes of carrying goods and loading, and the working efficiency of excavating and loading can be well improved.
The embodiment of the invention provides a face shovel excavating and loading device capable of improving stroke and translational requirements, which comprises a rack, a movable arm, a bucket rod, a bucket and a pair of movable arm rockers, wherein the movable arm is connected with the bucket rod through a connecting rod;
the lower end of the movable arm is hinged with the frame, the upper end of the movable arm is hinged with one end of the bucket rod, the other end of the bucket rod is hinged with the upper part of the bucket, the pair of movable arm rocking bars are symmetrically positioned at two sides of the movable arm, and are respectively hinged with the middle parts of the movable arms, one ends of the pair of movable arm rocking bars are respectively hinged with one ends of the pair of frame connecting rods, the other ends of the pair of frame connecting rods are respectively hinged with the frame, the other ends of the pair of movable arm rocking bars are respectively hinged with one ends of the pair of bucket rod hydraulic cylinders, the other ends of the pair of bucket rod hydraulic cylinders are respectively hinged with the middle part of the bucket rod, the middle part of the movable arm is hinged with one end of the pair of movable arm hydraulic cylinders, the other ends of the pair of movable arm hydraulic cylinders are hinged with the rack, the lower portion of the bucket is hinged with one end of the pair of bucket hydraulic cylinders, and the other ends of the pair of bucket hydraulic cylinders are respectively hinged with the upper portion of the movable arm.
Furthermore, the end part of a cylinder sleeve of the movable arm hydraulic cylinder is hinged with the rack, and the end part of a piston rod of the movable arm hydraulic cylinder is hinged with the middle part of the movable arm.
Further, the end part of a cylinder sleeve of the bucket hydraulic cylinder is hinged with the lower part of the bucket, and the end part of a piston rod of the bucket hydraulic cylinder is hinged with the upper end of the movable arm.
Furthermore, the end part of a cylinder sleeve of the bucket rod hydraulic cylinder is hinged with the middle part of the bucket rod, and the end part of a piston rod of the bucket rod hydraulic cylinder is hinged with one end of the pair of movable arm rockers.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
1. the bucket is connected to the bucket rod, the bucket rod hydraulic cylinder is hinged with the movable arm rocker, the movable arm rocker can be driven to rotate backwards in the lifting process of the movable arm, the stroke of the bucket is increased, and the bucket can be automatically lifted approximately horizontally only through the structural connection relation to prevent materials from being scattered;
2. the rack connecting rod hinged with the rack and the movable arm rocker can lift additional lifting force and reduce the load overcome by the movable arm hydraulic cylinder, so that the lifting force of the movable arm can be well optimized, and the energy-saving requirement is realized;
3. the working device of the excavator belongs to a plane mixed connection mechanism, has a compact structure, is easy to analyze motion, is easy to coordinate the work of each hydraulic cylinder, is simple and convenient to control, and has a very wide application prospect.
Drawings
FIG. 1 is a schematic structural view of one embodiment of a face shovel loaderdigger of the present invention that provides increased travel and translation requirements.
In the figure: 1-frame, 2-movable arm, 3-bucket rod, 4-bucket, 5-movable arm rocker, 6-frame connecting rod, 7-movable arm hydraulic cylinder, 8-bucket rod hydraulic cylinder, 9-bucket hydraulic cylinder and R1-R12-hinge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a front shovel loader device capable of increasing stroke and translational requirements, which includes a frame 1, a boom 2, a stick 3, a bucket 4, and a pair of boom rockers 5.
The lower end of the movable arm 2 is hinged to the frame 1 through a hinge R1, the upper end of the movable arm is hinged to one end of the arm 3 through a hinge R2, the other end of the arm 3 is hinged to the upper portion of the bucket 4 through a hinge R3, the pair of movable arm rockers 5 are symmetrically located on both sides of the movable arm 2 and are hinged to the middle of the movable arm 2 through hinges R4, one ends of the pair of movable arm rockers 5 are hinged to one ends of a pair of frame connecting rods 6 through hinges R6, the other ends of the pair of frame connecting rods 6 are hinged to the frame 1 through hinges R5, the other ends of the pair of movable arm rockers 5 are hinged to one ends of a pair of arm hydraulic cylinders 8 (piston rod ends of the arm hydraulic cylinders 8) through hinges R9, the other ends of the pair of arm hydraulic cylinders 8 (cylinder sleeve ends of the arm hydraulic cylinders 8) are hinged to the middle of the arm 3 through hinges, the middle part of the movable arm 2 is hinged with one end of a pair of movable arm hydraulic cylinders 7 (the end part of a piston rod of the movable arm hydraulic cylinder 7) through a hinge R8, the other end of the pair of movable arm hydraulic cylinders 7 (the end part of a cylinder sleeve of the movable arm hydraulic cylinder 7) is hinged with the frame 1 through a hinge R7, the lower part of the bucket 4 is hinged with one end of a pair of bucket hydraulic cylinders 9 (the end part of a cylinder sleeve of the bucket hydraulic cylinder 9) through a hinge R12, and the other end of the pair of bucket hydraulic cylinders 9 (the end part of a piston rod of the bucket hydraulic cylinder 9) is hinged with the.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A front shovel excavating and loading device capable of improving stroke and translational requirements is characterized by comprising a frame, a movable arm, a bucket rod, a bucket and a pair of movable arm rockers;
the lower end of the movable arm is hinged with the frame, the upper end of the movable arm is hinged with one end of the bucket rod, the other end of the bucket rod is hinged with the upper part of the bucket, the pair of movable arm rocking bars are symmetrically positioned at two sides of the movable arm, and are respectively hinged with the middle parts of the movable arms, one ends of the pair of movable arm rocking bars are respectively hinged with one ends of the pair of frame connecting rods, the other ends of the pair of frame connecting rods are respectively hinged with the frame, the other ends of the pair of movable arm rocking bars are respectively hinged with one ends of the pair of bucket rod hydraulic cylinders, the other ends of the pair of bucket rod hydraulic cylinders are respectively hinged with the middle part of the bucket rod, the middle part of the movable arm is hinged with one end of the pair of movable arm hydraulic cylinders, the other ends of the pair of movable arm hydraulic cylinders are hinged with the rack, the lower portion of the bucket is hinged with one end of the pair of bucket hydraulic cylinders, and the other ends of the pair of bucket hydraulic cylinders are respectively hinged with the upper portion of the movable arm.
2. A face shovel loader shovel with increased travel and translational requirements as defined in claim 1 where the end of the cylinder sleeve of the boom cylinder is hinged to the frame and the end of the piston rod of the boom cylinder is hinged to the middle of the boom.
3. A front shovel loader attachment with increased travel and translational requirements as set forth in claim 1 wherein the end of the cylinder jacket of the bucket cylinder is hinged to the lower portion of the bucket and the end of the piston rod of the bucket cylinder is hinged to the upper end of the boom.
4. The face shovel loader excavator according to claim 1 with increased travel and translation requirements wherein the cylinder liner end of the arm cylinder is hinged to the middle of the arm and the piston rod end of the arm cylinder is hinged to one end of the pair of swing arm rockers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316526.XA CN111042239A (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating and loading device capable of improving stroke and translation requirements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316526.XA CN111042239A (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating and loading device capable of improving stroke and translation requirements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111042239A true CN111042239A (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911316526.XA Pending CN111042239A (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating and loading device capable of improving stroke and translation requirements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111042239A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994029533A1 (en) * | 1993-06-15 | 1994-12-22 | Caterpillar Inc. | A coupling device for a work implement |
| JPH08302747A (en) * | 1995-04-29 | 1996-11-19 | Samsung Heavy Ind Co Ltd | Heavily equipped operating device having automatic horizontal adjustment fuction of attachment |
| RU2209886C1 (en) * | 2001-11-28 | 2003-08-10 | Всероссийский научно-исследовательский институт гидротехники и мелиорации им. А.Н. Костякова | Hydraulic loader working equipment |
| CN102720230A (en) * | 2012-06-01 | 2012-10-10 | 燕山大学 | Motion redundancy face shovel excavating mechanism capable of reducing lifting energy consumption |
| CN103382728A (en) * | 2013-07-01 | 2013-11-06 | 燕山大学 | Face shovel excavating and loading device capable of optimizing lifting power of moveable arm and drive of bucket rod |
| CN103437386A (en) * | 2013-07-01 | 2013-12-11 | 燕山大学 | Front shovel excavating and loading device capable of automatically realizing bucket lifting energy saving and meeting translation requirement |
-
2019
- 2019-12-19 CN CN201911316526.XA patent/CN111042239A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994029533A1 (en) * | 1993-06-15 | 1994-12-22 | Caterpillar Inc. | A coupling device for a work implement |
| JPH08302747A (en) * | 1995-04-29 | 1996-11-19 | Samsung Heavy Ind Co Ltd | Heavily equipped operating device having automatic horizontal adjustment fuction of attachment |
| RU2209886C1 (en) * | 2001-11-28 | 2003-08-10 | Всероссийский научно-исследовательский институт гидротехники и мелиорации им. А.Н. Костякова | Hydraulic loader working equipment |
| CN102720230A (en) * | 2012-06-01 | 2012-10-10 | 燕山大学 | Motion redundancy face shovel excavating mechanism capable of reducing lifting energy consumption |
| CN103382728A (en) * | 2013-07-01 | 2013-11-06 | 燕山大学 | Face shovel excavating and loading device capable of optimizing lifting power of moveable arm and drive of bucket rod |
| CN103437386A (en) * | 2013-07-01 | 2013-12-11 | 燕山大学 | Front shovel excavating and loading device capable of automatically realizing bucket lifting energy saving and meeting translation requirement |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |