CN111042235B - Face shovel excavating and loading device capable of increasing driving force and stroke of bucket - Google Patents
Face shovel excavating and loading device capable of increasing driving force and stroke of bucket Download PDFInfo
- Publication number
- CN111042235B CN111042235B CN201911316359.9A CN201911316359A CN111042235B CN 111042235 B CN111042235 B CN 111042235B CN 201911316359 A CN201911316359 A CN 201911316359A CN 111042235 B CN111042235 B CN 111042235B
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- China
- Prior art keywords
- hinged
- movable arm
- bucket
- hydraulic cylinder
- connecting 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
-
- 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
Abstract
The invention provides a face shovel excavating and loading device capable of increasing the driving force and the stroke of a bucket, which comprises a rack, a movable arm, a bucket rod and a terminal execution mechanism, wherein the lower end of the movable arm is hinged on the rack, the upper end of the movable arm is hinged at one end of the bucket rod, and the other end of the bucket rod is hinged with the terminal execution mechanism; the front end of the rack is hinged with a rack connecting rod and two bucket rod hydraulic cylinders respectively, the rack connecting rod is further hinged with a movable arm connecting rod and a movable arm hydraulic cylinder respectively, the upper end of the movable arm connecting rod is hinged with the movable arm, the upper end of the movable arm hydraulic cylinder is hinged with the movable arm, the front end of each bucket rod hydraulic cylinder is hinged with the bucket rod, the movable arm connecting rod is hinged with a terminal execution mechanism hydraulic cylinder, and the front end of the terminal execution mechanism hydraulic cylinder is hinged with the terminal execution mechanism. The invention has the beneficial effects that: the driving force arm is large, and the terminal actuating mechanism can be driven by smaller driving force, so that the energy consumption can be reduced, and the stroke and the driving force of the terminal actuating mechanism can be increased.
Description
Technical Field
The invention relates to the technical field of excavating equipment, in particular to a face shovel excavating and loading device capable of increasing the driving force and the stroke of a bucket.
Background
The Chinese patent CN200520035287.8 relates to a horizontal pushing mechanism of a hydraulic excavator front shovel operation device, which is characterized in that a piston rod of a bucket hydraulic cylinder is hinged with the front end of a movable arm, the rear part of a bucket rod is hinged with the front end of the movable arm, the bucket is hinged with the front end of the bucket rod, the bucket is hinged with the end part of a cylinder barrel of the bucket hydraulic cylinder, and the hinged points form a four-bar mechanism with a quadrilateral structure in the air. The major foreign manufacturers include Terex (Terex), Katephler (CATERPILLR), Hitachi (HITACHI) and Libohel (LIEBHERR). Among them, hydraulic excavators including "powerful triangular" members manufactured by Terex (Terex) have a great influence. Although the face shovel hydraulic excavator of foreign manufacturers is mature in technology, the problems that the product structure is single, and the driving force arm is small, so that the energy consumption is large are not solved all the time.
Disclosure of Invention
To increase the stroke and drive force of the end effector, embodiments of the present invention provide a front shovel loader that can increase the bucket drive force and stroke.
The embodiment of the invention provides a face shovel excavating and loading device capable of increasing the driving force and the stroke of a bucket, which comprises a rack, a movable arm, a bucket rod and a terminal execution mechanism, wherein the lower end of the movable arm is hinged to the rack, the upper end of the movable arm is hinged to one end of the bucket rod, and the other end of the bucket rod is hinged to the terminal execution mechanism;
the front end of the rack is hinged with a rack connecting rod and two bucket rod hydraulic cylinders respectively, the rack connecting rod is further hinged with a movable arm connecting rod and a movable arm hydraulic cylinder respectively, the upper end of the movable arm connecting rod is hinged with the movable arm, the upper end of the movable arm hydraulic cylinder is hinged with the movable arm, the front end of each bucket rod hydraulic cylinder is hinged with the bucket rod, the movable arm connecting rod is hinged with a terminal execution mechanism hydraulic cylinder, and the front end of the terminal execution mechanism hydraulic cylinder is hinged with the terminal execution mechanism.
Furthermore, the rack connecting rod is a linear connecting rod, the rear end of the rack connecting rod is hinged to the front end of the rack, the front end of the rack connecting rod is hinged to the lower end of the movable arm connecting rod, and the middle of the rack connecting rod is hinged to the lower end of the movable arm hydraulic cylinder.
Furthermore, the rack connecting rod, the movable arm hydraulic cylinder and the terminal actuating mechanism hydraulic cylinder are located in the same vertical plane, the two bucket rod hydraulic cylinders are symmetrically installed relative to the vertical plane, and the rack, the movable arm, the bucket rod and the terminal actuating mechanism are all symmetrical relative to the vertical plane.
Furthermore, the upper end of the bottom surface of the movable arm is provided with an upper hinge lug, the middle part of the bottom surface of the movable arm is provided with a middle hinge lug, the upper end of the movable arm connecting rod is hinged to the upper hinge lug, and the upper end of the movable arm hydraulic cylinder is hinged to the middle hinge lug.
Further, the end effector is a bucket.
Furthermore, a cylinder barrel of the movable arm hydraulic cylinder is hinged to the rack connecting rod, and a piston rod of the movable arm hydraulic cylinder is hinged to the movable arm.
Furthermore, a cylinder barrel of each bucket rod hydraulic cylinder is hinged to the front end of the rack, and a piston rod of each bucket rod hydraulic cylinder is hinged to the bucket rod.
Furthermore, a cylinder of the terminal actuating mechanism hydraulic cylinder is hinged to the middle of the movable arm connecting rod, and a piston rod of the terminal actuating mechanism hydraulic cylinder is hinged to the terminal actuating mechanism.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
(1) the invention discloses a face shovel excavating and loading device capable of increasing the driving force and the stroke of a bucket, which belongs to a twelve-rod three-degree-of-freedom forward rotation mechanism, wherein a driving force arm is large, and a terminal actuating mechanism can be driven by a smaller driving force, so that the energy consumption can be reduced.
(2) According to the invention, the movable arm connecting rod is additionally arranged on the common face shovel excavator, and the position of the hydraulic cylinder of the terminal actuating mechanism is changed through the rotation of the movable arm connecting rod and the frame connecting rod, so that the purposes of increasing the stroke and the driving force of the terminal actuating mechanism are achieved.
(3) The face shovel excavating mechanism is simple and compact in structure, all hydraulic cylinders are easy to work in a coordinated mode, the driving force performance of the terminal actuating mechanism is good, the stroke is obviously increased, the operating efficiency is high, the energy consumption is low, and the face shovel excavating mechanism can be widely applied to engineering construction excavation and carrying and can also be applied to material carrying and loading in the industrial field.
Drawings
FIG. 1 is a schematic view of a front shovel loader shovel having an increased bucket power and travel according to the present invention.
In the figure: the hydraulic control system comprises a machine frame 1, a movable arm 2, a bucket arm 3, a terminal actuating mechanism 4, a cylinder barrel of a movable arm hydraulic cylinder 5, a piston rod of a movable arm hydraulic cylinder 6, a cylinder barrel of a bucket arm hydraulic cylinder 7, a piston rod of a bucket arm hydraulic cylinder 8, a cylinder barrel of a terminal actuating mechanism hydraulic cylinder 9, a piston rod of a terminal actuating mechanism hydraulic cylinder 10, a machine frame connecting rod 11, a movable arm connecting rod 12, a hinge R1-R12, an upper hinge lug 21 and a middle hinge lug 22.
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 the driving force and stroke of a bucket, and the front shovel loader device includes a frame 1, a boom 2, a stick 3, and an end effector 4.
The lower end of the movable arm 2 is connected to the front end of the frame 1 through a hinge R1, the upper end of the movable arm is connected to one end of the arm 3 through a hinge R8, the other end of the arm 3 is connected to the end actuator 4 through a hinge R12, and the end actuator 4 is a bucket in this embodiment.
The front end of the frame 1 is respectively hinged with a frame connecting rod 11 and two bucket rod hydraulic cylinders, the frame connecting rod 11 is further respectively hinged with a movable arm connecting rod 12 and a movable arm hydraulic cylinder, the upper end of the movable arm connecting rod 12 is hinged with the movable arm 2, and the upper end of the movable arm hydraulic cylinder is hinged with the movable arm 2. Specifically, the rack connecting rod 11 is a linear connecting rod, the rear end of the rack connecting rod 11 is hinged to the front end of the rack 1 through a hinge R3, the front end of the rack connecting rod 11 is hinged to the lower end of the movable arm connecting rod 12 through a hinge R5, and the middle of the rack connecting rod 11 is hinged to the lower end of the movable arm hydraulic cylinder through a hinge R4.
In this embodiment, the upper end of the bottom surface of the movable arm 2 is provided with an upper hinge lug 21, the middle part of the bottom surface of the movable arm 2 is provided with a middle hinge lug 22, and the upper end of the movable arm connecting rod 12 is hinged to the upper hinge lug 21 through a hinge R7.
The lower end of the movable arm hydraulic cylinder is a cylinder barrel 5, and the upper end of the movable arm hydraulic cylinder is a piston rod 6. Namely, the cylinder 5 of the boom cylinder is hinged to the frame link 11 through a hinge R4, and the piston rod 6 of the boom cylinder is hinged to the middle hinge lug 22 on the boom 2 through a hinge R6.
The front end of each bucket rod hydraulic cylinder is hinged with the bucket rod 3. Specifically, the rear end of the bucket rod hydraulic cylinder is a cylinder barrel 7, and the front end of the bucket rod hydraulic cylinder is a piston rod 8. The cylinder 7 of each bucket rod hydraulic cylinder is hinged to the front end of the frame 1 through R2, and the piston rod 8 of each bucket rod hydraulic cylinder is hinged to the bucket rod 3 through a hinge R9.
The movable arm connecting rod 12 is hinged with a terminal actuating mechanism hydraulic cylinder, and the front end of the terminal actuating mechanism hydraulic cylinder is hinged with the terminal actuating mechanism 4. Specifically, the rear end of the hydraulic cylinder of the terminal actuating mechanism is a cylinder 9, and the front end of the hydraulic cylinder of the terminal actuating mechanism is a piston rod 10. The cylinder 9 of the terminal actuating mechanism hydraulic cylinder is hinged to the middle of the movable arm connecting rod 12 through a hinge R11, and the piston rod 10 of the terminal actuating mechanism hydraulic cylinder is hinged to the terminal actuating mechanism through a hinge R10.
In this embodiment, the frame connecting rod 11, the boom connecting rod 12, the boom hydraulic cylinder, and the terminal actuator hydraulic cylinder are located in a same vertical plane, the two boom hydraulic cylinders are symmetrically installed with respect to the vertical plane, and the frame 1, the boom 2, the boom 3, and the terminal actuator 4 are all symmetric with respect to the vertical plane. The machine frame 1, the movable arm 2, the bucket rod 3, the terminal actuating mechanism 4, the machine frame connecting rod 11, the movable arm connecting rod 12, the movable arm hydraulic cylinder, the terminal actuating mechanism hydraulic cylinder and the two bucket rod hydraulic cylinders form a twelve-rod three-degree-of-freedom forward rotation mechanism, the cylinder 9 of the terminal actuating mechanism hydraulic cylinder is directly hinged with the movable arm connecting rod 12, the terminal actuating mechanism hydraulic cylinder can realize the movement of the terminal actuating mechanism 4 by a shorter stroke, a large horizontal component force is generated, and the function of increasing the driving force and the stroke of the terminal actuating mechanism 4 is realized. The hydraulic cylinders work easily and coordinately, the bucket driving force performance is good, the stroke is obviously increased, the operation efficiency is high, and the energy consumption is low.
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 and loading device capable of increasing the driving force and the stroke of a bucket comprises a rack, a movable arm, a bucket rod and a terminal execution mechanism, wherein the lower end of the movable arm is hinged to the rack, the upper end of the movable arm is hinged to one end of the bucket rod, and the other end of the bucket rod is hinged to the terminal execution mechanism; the method is characterized in that:
the front end of the frame is respectively hinged with a frame connecting rod and two bucket rod hydraulic cylinders, the frame connecting rod is further respectively hinged with a movable arm connecting rod and a movable arm hydraulic cylinder, the upper end of the movable arm connecting rod is hinged with the movable arm, the upper end of the movable arm hydraulic cylinder is hinged with the movable arm, the front end of each bucket rod hydraulic cylinder is hinged with the bucket rod, the movable arm connecting rod is hinged with a terminal actuating mechanism hydraulic cylinder, the front end of the terminal actuating mechanism hydraulic cylinder is hinged with the terminal actuating mechanism, the frame connecting rod is a linear connecting rod, the rear end of the frame connecting rod is hinged with the front end of the frame, the front end of the frame connecting rod is hinged with the lower end of the movable arm.
2. A front shovel loader backhoe loader having an increased bucket power and reach as defined in claim 1 wherein: the frame connecting rod, the movable arm hydraulic cylinder and the terminal actuating mechanism hydraulic cylinder are located in the same vertical plane, the two bucket rod hydraulic cylinders are symmetrically installed relative to the vertical plane, and the frame, the movable arm, the bucket rod and the terminal actuating mechanism are symmetrical relative to the vertical plane.
3. A front shovel loader backhoe loader having an increased bucket power and reach as defined in claim 1 wherein: the upper end of the bottom surface of the movable arm is provided with an upper hinge lug, the middle of the bottom surface of the movable arm is provided with a middle hinge lug, the upper end of the movable arm connecting rod is hinged to the upper hinge lug, and the upper end of the movable arm hydraulic cylinder is hinged to the middle hinge lug.
4. A front shovel loader backhoe loader having an increased bucket power and reach as defined in claim 1 wherein: the terminal actuating mechanism is a bucket.
5. A front shovel loader backhoe loader having an increased bucket power and reach as defined in claim 1 wherein: the cylinder barrel of the movable arm hydraulic cylinder is hinged with the rack connecting rod, and the piston rod of the movable arm hydraulic cylinder is hinged with the movable arm.
6. A front shovel loader backhoe loader having an increased bucket power and reach as defined in claim 1 wherein: the cylinder barrel of each bucket rod hydraulic cylinder is hinged to the front end of the rack, and the piston rod of each bucket rod hydraulic cylinder is hinged to the bucket rod.
7. A front shovel loader backhoe loader having an increased bucket power and reach as defined in claim 1 wherein: the cylinder barrel of the terminal actuating mechanism hydraulic cylinder is hinged to the middle of the movable arm connecting rod, and the piston rod of the terminal actuating mechanism hydraulic cylinder is hinged to the terminal actuating mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911316359.9A CN111042235B (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating and loading device capable of increasing driving force and stroke of bucket |
Applications Claiming Priority (1)
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CN201911316359.9A CN111042235B (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating and loading device capable of increasing driving force and stroke of bucket |
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CN111042235A CN111042235A (en) | 2020-04-21 |
CN111042235B true CN111042235B (en) | 2021-04-09 |
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CN201911316359.9A Expired - Fee Related CN111042235B (en) | 2019-12-19 | 2019-12-19 | Face shovel excavating and loading device capable of increasing driving force and stroke of bucket |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002095142A1 (en) * | 2001-05-22 | 2002-11-28 | Liebherr-Werk Bischofshofen Gmbh | Wheel loader |
CN102561426A (en) * | 2012-01-12 | 2012-07-11 | 广西大学 | 3-dof (three degrees of freedom) controllable mechanism type excavator |
CN103147474A (en) * | 2013-03-05 | 2013-06-12 | 燕山大学 | Loader mechanism capable of optimizing transmission ratio |
CN103382729A (en) * | 2013-07-01 | 2013-11-06 | 燕山大学 | Face shovel excavating and loading device capable of increasing pushing force and journey of bucket hydraulic cylinder |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10995470B2 (en) * | 2018-07-03 | 2021-05-04 | Caterpillar Underground Mining Pty. Ltd. | Service pin assembly for a machine |
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2019
- 2019-12-19 CN CN201911316359.9A patent/CN111042235B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002095142A1 (en) * | 2001-05-22 | 2002-11-28 | Liebherr-Werk Bischofshofen Gmbh | Wheel loader |
CN102561426A (en) * | 2012-01-12 | 2012-07-11 | 广西大学 | 3-dof (three degrees of freedom) controllable mechanism type excavator |
CN103147474A (en) * | 2013-03-05 | 2013-06-12 | 燕山大学 | Loader mechanism capable of optimizing transmission ratio |
CN103382729A (en) * | 2013-07-01 | 2013-11-06 | 燕山大学 | Face shovel excavating and loading device capable of increasing pushing force and journey of bucket hydraulic cylinder |
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Granted publication date: 20210409 Termination date: 20211219 |