CN111042238B - Face shovel excavating mechanism capable of optimizing excavating force - Google Patents
Face shovel excavating mechanism capable of optimizing excavating force Download PDFInfo
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- CN111042238B CN111042238B CN201911316515.1A CN201911316515A CN111042238B CN 111042238 B CN111042238 B CN 111042238B CN 201911316515 A CN201911316515 A CN 201911316515A CN 111042238 B CN111042238 B CN 111042238B
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- hinged
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- cylinder
- hydraulic cylinders
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000009412 basement excavation Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
-
- 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
-
- 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
-
- 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 mechanism capable of optimizing excavating force, which comprises a rack, a movable arm, a bucket rod, a bucket and a pair of powerful triangles, wherein the movable arm is connected with 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 part of the bucket, the middle part of the movable arm is hinged with the rack through a movable arm hydraulic cylinder, a pair of powerful triangles is hinged with the middle part of the bucket rod, and one ends of the powerful triangles are hinged with the rack through a pair of rack connecting rods; the other ends of the pair of strong triangles are hinged with the lower part of the bucket through a pair of bucket hydraulic cylinders, and the middle parts of the pair of frame connecting rods are hinged with the middle parts of the bucket rods or the middle parts of the movable arms through a pair of bucket rod hydraulic cylinders; or the other ends of the pair of strong triangles are hinged with the middle parts of the pair of frame connecting rods through a pair of bucket rod hydraulic cylinders, and the lower parts of the buckets are hinged with the middle parts of the movable arms through a pair of bucket hydraulic cylinders. The technical scheme provided by the invention has the beneficial effects that: easy control, large digging force, large bucket rod stroke and compact and reasonable structure.
Description
Technical Field
The invention relates to the technical field of excavators, in particular to a face shovel excavating mechanism capable of optimizing excavating force.
Background
At present, a large face shovel hydraulic excavator is widely applied to the building engineering and coal mine industries, and an excavating working device of the large face shovel hydraulic excavator is a main component for completing all functions, so that the excavator has higher structural requirements on the working device. Domestic forward shovel hydraulic excavator mechanisms are less analyzed, and Chinese patent (application number: CN 201210177929.2) relates to a motion redundancy forward shovel excavating working device which is characterized in that a bucket hydraulic cylinder, a movable arm hydraulic cylinder, two pairs of bucket rod hydraulic cylinders and a powerful triangle are connected, and the motion redundancy forward shovel excavating working device has the redundancy characteristic. The major foreign manufacturers include Terex (Terex), Katephler (CATERPILLR), Hitachi (HITACHI) and Libohelr (LIEBHERR). The structure of the "strong triangle" of Terex (Terex) is the structure that has a great influence. But the product structure form is comparatively single, and the drive power arm is little, and the digging force is little, the energy consumption scheduling problem. Therefore, the diversified hydraulic face shovel excavator structure is innovatively developed, and the structure is very important for improving the performance of the excavating device.
Disclosure of Invention
In view of this, embodiments of the present invention provide a face shovel excavating mechanism capable of optimizing an excavating force, and aims to provide a face shovel hydraulic excavator working device which is easy to control, has a large excavating force, a large boom stroke, and a compact and reasonable structure.
The embodiment of the invention provides a face shovel excavating mechanism capable of optimizing excavating force, which comprises a rack, a movable arm, a bucket rod, a bucket and a pair of powerful triangles, wherein the movable arm is connected with the bucket rod;
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 part of the bucket, the middle part of the movable arm is hinged with one end of a pair of movable arm hydraulic cylinders, the other ends of the pair of movable arm hydraulic cylinders are hinged with the rack, the pair of powerful triangles are symmetrically positioned on two sides of the bucket rod and are respectively hinged with the middle part of the bucket rod, one ends of the powerful triangles are respectively hinged with one ends of a pair of rack connecting rods, and the other ends of the rack connecting rods are respectively hinged with the rack;
the other ends of the pair of powerful triangles are respectively hinged with one ends of a pair of bucket hydraulic cylinders, the other ends of the pair of bucket hydraulic cylinders are respectively hinged with the lower part of the bucket, the middle parts of the pair of frame connecting rods are respectively hinged with one ends of a pair of bucket rod hydraulic cylinders, and the other ends of the pair of bucket rod hydraulic cylinders are respectively hinged with the middle parts of the bucket rods or the middle parts of the movable arms; or the other ends of the pair of powerful triangles are respectively hinged with one ends of a pair of bucket rod hydraulic cylinders, the other ends of the pair of bucket rod hydraulic cylinders are respectively hinged with the middle parts of the pair of frame connecting rods, the lower parts of the buckets are respectively hinged with one ends of the pair of bucket hydraulic cylinders, and the other ends of the pair of bucket hydraulic cylinders are respectively hinged with the middle parts of the movable arms.
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 middle part 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 rack connecting rod, and the end part of a piston rod of the bucket rod hydraulic cylinder is hinged with the other end of the powerful triangle.
Furthermore, 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 other end of the powerful triangle.
Further, the end part of a cylinder sleeve of the bucket rod hydraulic cylinder is hinged with the middle part of the rack connecting rod, and the end part of a piston rod of the bucket rod hydraulic cylinder is hinged with the middle part of the bucket rod.
Furthermore, the end part of a cylinder sleeve of the bucket rod hydraulic cylinder is hinged with the middle part of the rack connecting rod, and the end part of a piston rod of the bucket rod hydraulic cylinder is hinged with the middle part of the movable arm.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
1. a rack connecting rod and a powerful triangle are added between the rack and the bucket rod, so that the elongation of a bucket hydraulic cylinder and the elongation of a bucket rod hydraulic cylinder in the excavation process are reduced, and the production cost is reduced;
2. the working force arm of the bucket rod is large, the stroke of the bucket rod is improved, and the excavating force of the bucket can be optimized by the rotation of the bucket rod;
3. compact structure, easy control, easy mechanism analysis and good application prospect.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of the face shovel excavating mechanism capable of optimizing excavating force provided by the present invention;
FIG. 2 is a schematic structural view of embodiment 2 of the face shovel excavating mechanism capable of optimizing excavating force provided by the invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the face shovel excavating mechanism capable of optimizing excavating force provided by the invention.
In the figure: 1-frame, 2-movable arm, 3-bucket rod, 4-bucket, 5-movable arm hydraulic cylinder, 6-bucket rod hydraulic cylinder, 7-bucket hydraulic cylinder, 8-frame connecting rod, 9-powerful triangle 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.
Example 1:
referring to fig. 1, an embodiment of the present invention provides a front shovel excavating mechanism capable of optimizing excavating force, which includes a frame 1, a boom 2, a stick 3, a bucket 4, and a pair of power triangles 9.
The lower end of the movable arm 2 is hinged to the frame 1 through a hinge R3, the upper end of the movable arm 2 is hinged to one end of the arm 3 through a hinge R6, the other end of the arm 3 is hinged to the upper portion of the bucket 4 through a hinge R11, the middle of the movable arm 2 is hinged to one end of a pair of movable arm hydraulic cylinders 5 (in this embodiment, the end of a piston rod of the movable arm hydraulic cylinder 5) through a hinge R4, the other ends of the pair of movable arm hydraulic cylinders 5 (in this embodiment, the end of a cylinder sleeve of the movable arm hydraulic cylinder 5) are hinged to the frame 1 through a hinge R1, the pair of powerful triangles 9 are symmetrically located on both sides of the arm 3 and are hinged to the middle of the arm 3 through hinges R8, one ends of the pair of powerful triangles 9 are hinged to one end of a pair of frame connecting rods 8 through hinges R7, and the other ends of the pair of frame connecting rods 8 are hinged to the frame 1 through hinges R2, the other ends of the pair of powerful triangles 9 are respectively hinged to one ends of the pair of bucket hydraulic cylinders 7 (in this embodiment, the end portions of the piston rods of the bucket hydraulic cylinders 7) by hinges R10, the other ends of the hydraulic rods of the pair of buckets 4 (in this embodiment, the end portions of the cylinder sleeves of the bucket hydraulic cylinders 7) are respectively hinged to the lower portions of the buckets 4 by hinges R12, the middle portions of the pair of frame connecting rods 8 are respectively hinged to one ends of the pair of arm hydraulic cylinders 6 (in this embodiment, the end portions of the cylinder sleeves of the arm hydraulic cylinders 6) by hinges R5, and the other ends of the pair of arm hydraulic cylinders 6 (in this embodiment, the end portions of the piston rods of the arm hydraulic cylinders 6) are respectively hinged to the middle portions of the arms 3 by hinges R9.
Example 2:
referring to fig. 2, an embodiment of the present invention provides a front shovel excavating mechanism capable of optimizing excavating force, which includes a frame 1, a boom 2, a stick 3, a bucket 4, and a pair of power triangles 9.
The lower end of the movable arm 2 is hinged to the frame 1 through a hinge R3, the upper end of the movable arm 2 is hinged to one end of the arm 3 through a hinge R6, the other end of the arm 3 is hinged to the upper portion of the bucket 4 (in this embodiment, the bucket) through a hinge R11, the middle of the movable arm 2 is hinged to one end of a pair of movable arm hydraulic cylinders 5 (in this embodiment, the end of a piston rod of the movable arm hydraulic cylinder 5) through a hinge R4, the other ends of the pair of movable arm hydraulic cylinders 5 (in this embodiment, the end of a cylinder sleeve of the movable arm hydraulic cylinder 5) are hinged to the frame 1 through a hinge R1, the pair of strong cams 9 are symmetrically located on both sides of the arm 3 and are hinged to the middle of the arm 3 through hinges R8, one ends of the pair of strong cams 9 are hinged to one ends of a pair of frame connecting rods 8 through hinges R7, and the other ends of the pair of frame connecting rods 8 are hinged to the frame 1 through hinges R2, the other ends of the pair of strong triangles 9 are respectively hinged to one ends of the pair of bucket hydraulic cylinders 7 (the piston rod ends of the boom hydraulic cylinders 5 in this embodiment) by hinges R10, the other ends of the hydraulic rods of the pair of buckets 4 (the cylinder sleeve ends of the bucket hydraulic cylinders 7 in this embodiment) are respectively hinged to the lower portions of the buckets 4 by hinges R12, the middle portions of the pair of frame links 8 are respectively hinged to one ends of the pair of arm hydraulic cylinders 6 (the cylinder sleeve ends of the arm hydraulic cylinders 6 in this embodiment) by hinges R5, and the other ends of the pair of arm hydraulic cylinders 6 (the piston rod ends of the arm hydraulic cylinders 6 in this embodiment) are respectively hinged to the middle portions of the booms 2 by hinges R9.
Example 3:
referring to fig. 3, an embodiment of the present invention provides a front shovel excavating mechanism capable of optimizing excavating force, which includes a frame 1, a boom 2, a stick 3, a bucket 4, and a pair of power triangles 9.
The lower end of the movable arm 2 is hinged to the frame 1 through a hinge R3, the upper end of the movable arm 2 is hinged to one end of the arm 3 through a hinge R6, the other end of the arm 3 is hinged to the upper portion of the bucket 4 (in this embodiment, the bucket) through a hinge R11, the middle of the movable arm 2 is hinged to one end of a pair of movable arm hydraulic cylinders 5 (in this embodiment, the end of a piston rod of the movable arm hydraulic cylinder 5) through a hinge R4, the other ends of the pair of movable arm hydraulic cylinders 5 (in this embodiment, the end of a cylinder sleeve of the movable arm hydraulic cylinder 5) are hinged to the frame 1 through a hinge R1, the pair of strong cams 9 are symmetrically located on both sides of the arm 3 and are hinged to the middle of the arm 3 through hinges R8, one ends of the pair of strong cams 9 are hinged to one ends of a pair of frame connecting rods 8 through hinges R7, and the other ends of the pair of frame connecting rods 8 are hinged to the frame 1 through hinges R2, the other ends of the pair of strong triangles 9 are respectively hinged to one ends of the pair of arm cylinders 6 (in this embodiment, the end portions of the piston rods of the arm cylinders 6) by hinges R9, the other ends of the pair of arm cylinders 6 (in this embodiment, the end portions of the cylinder sleeves of the arm cylinders 6) are respectively hinged to the middle portions of the pair of frame links 8 by hinges R5, the lower portion of the bucket 4 is respectively hinged to one ends of the pair of bucket cylinders 7 (in this embodiment, the end portions of the cylinder sleeves of the bucket cylinders 7) by hinges R12, and the other ends of the pair of bucket cylinders 7 (in this embodiment, the end portions of the piston rods of the bucket cylinders 7) are respectively hinged to the middle portions of the movable arms 2 by hinges R10.
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 (7)
1. A face shovel excavating mechanism capable of optimizing excavating force is characterized by comprising a frame, a movable arm, a bucket rod, a bucket and a pair of powerful triangles;
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 part of the bucket, the middle part of the movable arm is hinged with one end of a pair of movable arm hydraulic cylinders, the other ends of the pair of movable arm hydraulic cylinders are hinged with the rack, the pair of powerful triangles are symmetrically positioned on two sides of the bucket rod and are respectively hinged with the middle part of the bucket rod, one ends of the powerful triangles are respectively hinged with one ends of a pair of rack connecting rods, and the other ends of the rack connecting rods are respectively hinged with the rack;
the other ends of the pair of powerful triangles are respectively hinged with one ends of a pair of bucket hydraulic cylinders, the other ends of the pair of bucket hydraulic cylinders are respectively hinged with the lower part of the bucket, the middle parts of the pair of frame connecting rods are respectively hinged with one ends of a pair of bucket rod hydraulic cylinders, and the other ends of the pair of bucket rod hydraulic cylinders are respectively hinged with the middle parts of the bucket rods or the middle parts of the movable arms; or the other ends of the pair of powerful triangles are respectively hinged with one ends of a pair of bucket rod hydraulic cylinders, the other ends of the pair of bucket rod hydraulic cylinders are respectively hinged with the middle parts of the pair of frame connecting rods, the lower parts of the buckets are respectively hinged with one ends of the pair of bucket hydraulic cylinders, and the other ends of the pair of bucket hydraulic cylinders are respectively hinged with the middle parts of the movable arms.
2. A face shovel excavating mechanism capable of optimizing the force of excavation as claimed in claim 1 wherein the end of the cylinder jacket 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 excavating mechanism capable of optimizing the force of excavation according to claim 1 wherein the end of the cylinder sleeve 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 middle portion of the boom.
4. A face shovel excavating mechanism capable of optimizing the force of excavation as claimed in claim 1 wherein the cylinder liner end of the arm cylinder is hinged to the middle of the frame link and the piston rod end of the arm cylinder is hinged to the other end of the power triangle.
5. A face shovel excavating mechanism according to claim 1 wherein the cylinder sleeve end of the bucket cylinder is hinged to the lower portion of the bucket and the piston rod end of the bucket cylinder is hinged to the other end of the power triangle.
6. A face shovel excavating mechanism to optimize the force of excavation as claimed in claim 1 wherein the cylinder liner end of the arm cylinder is hinged to the frame link mid-section and the piston rod end of the arm cylinder is hinged to the arm mid-section.
7. A face shovel excavating mechanism capable of optimizing the force of excavation as claimed in claim 1 wherein the cylinder liner end of the arm cylinder is hinged to the frame link mid-section and the piston rod end of the arm cylinder is hinged to the boom mid-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316515.1A CN111042238B (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating mechanism capable of optimizing excavating force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316515.1A CN111042238B (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating mechanism capable of optimizing excavating force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111042238A CN111042238A (en) | 2020-04-21 |
| CN111042238B true CN111042238B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911316515.1A Expired - Fee Related CN111042238B (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating mechanism capable of optimizing excavating force |
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| CN (1) | CN111042238B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2072342C (en) * | 1992-06-26 | 1994-06-14 | Robert D. Jenkins | Quick coupling arrangement for excavator buckets and the like |
| JPH08302747A (en) * | 1995-04-29 | 1996-11-19 | Samsung Heavy Ind Co Ltd | Heavily equipped operating device having automatic horizontal adjustment fuction of attachment |
| CN102561425B (en) * | 2011-12-27 | 2014-04-16 | 燕山大学 | Four-degree-of-freedom connecting rod working mechanism containing composite hinges |
| CN102720228B (en) * | 2012-06-01 | 2014-12-24 | 燕山大学 | Face shovel spadework device provided with movement redundancy and capable of optimizing spading force |
| CN102720230B (en) * | 2012-06-01 | 2014-07-23 | 燕山大学 | Motion redundancy face shovel excavating mechanism capable of reducing lifting energy consumption |
| CN103046588B (en) * | 2012-12-05 | 2015-01-07 | 燕山大学 | Crowd shovel excavation mechanism for optimizing driving of bucket rod |
| CN103382730B (en) * | 2013-07-01 | 2015-04-29 | 燕山大学 | Face shovel excavating and loading device capable of optimizing drive and stroke of bucket rod |
-
2019
- 2019-12-19 CN CN201911316515.1A patent/CN111042238B/en not_active Expired - Fee Related
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| CN111042238A (en) | 2020-04-21 |
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