CN116335225B - Working arm for improving working space and engineering machinery vehicle - Google Patents
Working arm for improving working space and engineering machinery vehicle Download PDFInfo
- Publication number
- CN116335225B CN116335225B CN202310470969.4A CN202310470969A CN116335225B CN 116335225 B CN116335225 B CN 116335225B CN 202310470969 A CN202310470969 A CN 202310470969A CN 116335225 B CN116335225 B CN 116335225B
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- Prior art keywords
- arm
- hinged
- working
- connecting rod
- hydraulic cylinder
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- 239000012636 effector Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/14—Booms only for booms with cable suspension arrangements; Cable suspensions
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Actuator (AREA)
Abstract
The application provides a working arm and an engineering machinery vehicle for improving a working space. According to the working arm for improving the working space, the pitch angle of the connecting arm can be adjusted through the first pitch angle adjusting mechanism, and the pitch angle of the telescopic arm mechanism can be adjusted through the second pitch angle adjusting mechanism, so that the working angle of the telescopic arm can be further increased through superposition of adjusting effects of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism under the cooperation of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism, and the aim of improving the working space of the working arm is achieved.
Description
Technical Field
The application belongs to the technical field of engineering mechanical equipment, and particularly relates to a working arm for improving working space and an engineering mechanical vehicle.
Background
The crushing mechanism is mainly used for crushing stones, such as a prying trolley for mining and a crusher for repairing a road surface. The working arm of the traditional crushing mechanism generally adopts a mode of hinging a straight rod and a hydraulic rod to push a stroke, a single hydraulic cylinder is hinged between the base and the telescopic arm, a piston rod of the hydraulic cylinder is connected with the telescopic arm, and the adjustment of the swing angle (or pitch angle) of the telescopic arm is realized through the expansion and the contraction of the piston rod. This type of working arm has the disadvantage of insufficient working space.
Disclosure of Invention
The application aims to provide a working arm and an engineering machinery vehicle, which are used for solving the technical problem of insufficient working space of the working arm in the prior art.
To achieve the above object, according to a first aspect of the present application, there is provided a work arm for improving a work space, comprising:
A base;
one end of the connecting arm is hinged on the base;
the first pitch angle adjusting mechanism comprises a first connecting rod, a second connecting rod, a first hydraulic cylinder and a first piston rod; one end of the first connecting rod is hinged to the base, the other end of the first connecting rod is hinged to the left upper end of the second connecting rod and the cylinder body of the first hydraulic cylinder, and the other end of the first hydraulic cylinder is hinged to the connecting arm through the first piston rod; the other end of the connecting arm is hinged to the middle lower part of the second connecting rod;
one end of the telescopic arm mechanism is hinged to the upper right end of the second connecting rod;
one end of the tail end executing mechanism is hinged to the other end of the telescopic arm mechanism; and
The second pitch angle adjusting mechanism comprises a second hydraulic cylinder and a second piston rod, wherein the cylinder body of the second hydraulic cylinder is hinged to the base, and the other end of the second hydraulic cylinder is hinged to the telescopic arm mechanism through the second piston rod.
Further, the second connecting rod is of a V-shaped structure.
Further, the second connecting rod is a triangular plate.
Further, the telescopic arm mechanism includes:
A first telescopic arm;
the second telescopic arm is connected with the first telescopic arm in a moving pair; and
And one end of the cylinder body of the third hydraulic cylinder is hinged to the first telescopic arm, and the other end of the cylinder body of the third hydraulic cylinder is hinged to the second telescopic arm through a third piston rod.
Further, the end effector includes:
one end of the execution working arm is hinged with one end of the second telescopic arm;
one end of the rotating oil cylinder is hinged to the executing working arm; and
And one end of the execution component is fixedly connected to the rotating oil cylinder.
Further, the hydraulic device further comprises a fourth hydraulic cylinder, one end of a cylinder body of the fourth hydraulic cylinder is hinged to the second telescopic arm, and the other end of the fourth hydraulic cylinder is hinged to the execution working arm through a fourth piston rod.
Further, the end effector further comprises:
one end of the cylinder body of the fifth hydraulic cylinder is hinged to the execution working arm;
One end of the third connecting rod is hinged to the execution working arm, and the other end of the third connecting rod is hinged to a fifth piston rod of the fifth hydraulic cylinder;
And one end of the fourth connecting rod is hinged to the execution working arm, the other end of the fourth connecting rod is hinged to the third connecting rod, and the fourth connecting rod is hinged to the rotating oil cylinder.
Further, the executing component is any one of an impact hammer, a bucket and a hanging ring.
In a second aspect of the present application, there is provided an engineering machinery vehicle on which a working arm according to any one of the above is mounted.
Compared with the prior art, the application has the following technical effects:
According to the working arm for improving the working space, the pitch angle of the connecting arm can be adjusted through the first pitch angle adjusting mechanism, and the pitch angle of the telescopic arm mechanism can be adjusted through the second pitch angle adjusting mechanism, so that the working angle of the telescopic arm can be further increased through superposition of adjusting effects of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism under the cooperation of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism, and the aim of improving the working space of the working arm is achieved.
The engineering machinery vehicle has the advantages of large working space due to the working arm structure, and is not repeated here.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an overall structure of a working arm for improving working space according to an embodiment of the present application;
fig. 2 is a front view of fig. 1.
Wherein, each reference sign in the figure:
1. The hydraulic device comprises a base, 2, a first connecting rod, 3, a first piston rod, 4, a first hydraulic cylinder, 5, a second connecting rod, 6, a first telescopic arm, 7, a second piston rod, 8, a second hydraulic cylinder, 9, a connecting arm, 10, a third hydraulic cylinder, 11, a third piston rod, 12, a second telescopic arm, 13, a fourth hydraulic cylinder, 14, a fourth piston rod, 15, an execution working arm, 16, a fifth hydraulic cylinder, 17, a fifth piston rod, 18, a third connecting rod, 19, a fourth connecting rod, 20, a rotary cylinder, 21 and an execution part.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," second, "" third, "" fourth, "and fifth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "first", "second", "third", "fourth", "fifth" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 and fig. 2 together, a working arm structure for improving working space according to an embodiment of the present application will now be described.
The working arm for improving the working space comprises a base 1, a connecting arm 9, a first pitch angle adjusting mechanism, a telescopic arm mechanism, an end actuating mechanism and a second pitch angle adjusting mechanism. One end of a connecting arm 9 is hinged on the base 1, and the first pitch angle adjusting mechanism comprises a first connecting rod 2, a second connecting rod 5, a first hydraulic cylinder 4 and a first piston rod 3; one end of a first connecting rod 2 is hinged on the base 1, the other end of the first connecting rod 2 is hinged with the left upper end of a second connecting rod 5 and the cylinder body of a first hydraulic cylinder 4, and the other end of the first hydraulic cylinder 4 is hinged on a connecting arm 9 through a first piston rod 3; the other end of the connecting arm 9 is hinged to the middle lower part of the second connecting rod 5; one end of the telescopic arm mechanism is hinged to the right upper end of the second connecting rod 5, and one end of the tail end executing mechanism is hinged to the other end of the telescopic arm mechanism; the second pitch angle adjusting mechanism comprises a second hydraulic cylinder 8 and a second piston rod 7, the cylinder body of the second hydraulic cylinder 8 is hinged on the base 1, and the other end of the second hydraulic cylinder 8 is hinged on the telescopic arm mechanism through the second piston rod 7.
In the embodiment of the application, the hinge hole at the left side of the base 1 is hinged with the lower end of the first connecting rod 2, and the upper end of the first connecting rod 2 is simultaneously hinged with the cylinder body of the first hydraulic cylinder 4 and the left upper end of the second connecting rod 5, namely, the left upper end hole of the second connecting rod 5 is a compound hinge. One end of the first piston rod 3 is hinged with a hinge hole on the connecting arm 9, the lower end of the connecting arm 9 is hinged with a hinge hole on the right side of the base 1, and the upper end of the connecting arm 9 is hinged with a telescopic arm mechanism; the cylinder body of the second hydraulic cylinder 8 is hinged with the right side hinge hole of the base 1, as shown in fig. 1 and 2.
When the working arm for improving the working space is used, the connecting arm 9 can be driven to move by the contraction or the extension of the first hydraulic cylinder 4 in the first pitch angle adjusting mechanism, and the included angle between the connecting arm 9 and the horizontal plane is adjusted; the telescopic arm mechanism is driven to move by the contraction or the extension of a second hydraulic cylinder 8 in the second pitch angle adjusting mechanism, and the size of an included angle between the telescopic arm mechanism and the connecting arm 9 is adjusted. Through the superposition of the two adjusting effects of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism, the working angle of the working arm can be maximized, and the working space of the working arm is improved.
According to the working arm for improving the working space, the pitch angle of the connecting arm 9 can be adjusted through the first pitch angle adjusting mechanism, and the pitch angle of the telescopic arm mechanism can be adjusted through the second pitch angle adjusting mechanism, so that the working angle of the telescopic arm can be further increased through superposition of the adjusting effects of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism under the cooperation of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism, and the aim of improving the working space of the working arm is achieved.
In one embodiment of the present application, the second connecting rod 5 has a V-shaped structure, as shown in fig. 1 and 2, and three end points of the second connecting rod 5 with a V-shaped structure are hinged to the upper end of the first connecting rod 2, the upper end of the connecting arm 9 and the left end of the telescopic arm mechanism, respectively. In addition, the second connecting rod 5 may be a triangular plate, and three end points of the triangular plate are respectively hinged with the upper end of the first connecting rod 2, the upper end of the connecting arm 9 and the left end of the telescopic arm mechanism. The second connecting rod 5 is designed into a V-shaped structure or a triangular plate structure, so that the requirement of hinging the upper end of the first connecting rod 2, the upper end of the connecting arm 9 and the left end of the telescopic arm mechanism can be met, the structure is stable, the bearing capacity and the impact resistance of the working arm can be improved, the noise of the working arm during working is reduced, and the service life of the working arm is prolonged.
In one embodiment of the present application, the telescopic arm mechanism of the embodiment of the present application includes a first telescopic arm 6, a second telescopic arm 12 and a third hydraulic cylinder 10, where the second telescopic arm 12 is connected with the first telescopic arm 6 in a moving pair; one end of the third hydraulic cylinder 10 is hinged on the ear seat at the lower side of the first telescopic arm 6, and the other end is hinged on the hinge plate at the lower side of the second telescopic arm 12 through a third piston rod 11. The relative movement between the first telescopic boom 6 and the second telescopic boom 12 is controlled by controlling the stroke of the third hydraulic cylinder 10, so that the telescopic boom mechanism is adjusted to stretch and retract, and the operating range of the telescopic boom mechanism in the horizontal direction is adjusted.
In one embodiment of the present application, the end effector of the embodiment of the present application includes an actuating arm 15, a rotary cylinder 20, and an actuating member 21, wherein one end of the actuating arm 15 is hinged to one end of the second telescopic arm 12; one end of the rotating cylinder 20 is hinged on the execution working arm 15; one end of the actuator 21 may be fixedly coupled to the rotary cylinder 20 by a bolt. The actuating member 21 is driven to rotate by the rotary cylinder 20. The execution unit 21 according to the embodiment of the present application may be selectively adapted according to the type of operation, for example, an impact hammer, a bucket, a hanging ring, or the like.
In one embodiment of the present application, the working arm of the embodiment of the present application further includes a fourth hydraulic cylinder 13, one end of the fourth hydraulic cylinder 13 is hinged on the hinged plate at the lower side of the second telescopic arm 12, and the other end of the fourth hydraulic cylinder 13 is hinged on the ear mount at the lower side of the actuating working arm 15 through a fourth piston rod 14. The size of the included angle between the actuating arm 15 and the second telescopic arm 12 can be adjusted by controlling the stroke of the fourth hydraulic cylinder 13, so as to adjust the working range.
In one embodiment of the present application, the end effector of the embodiment of the present application further comprises a fifth hydraulic cylinder 16, a third connecting rod 18 and a fourth connecting rod 19, wherein one end of the fifth hydraulic cylinder 16 is hinged on an ear seat on the lower side of the actuating arm 15; one end of a third connecting rod 18 is hinged on the execution working arm 15, and the other end is hinged with a fifth piston rod 17 of a fifth hydraulic cylinder 16; one end of the fourth connecting rod 19 is hinged on the actuating arm 15, the other end is hinged with the third connecting rod 18, and the fourth connecting rod 19 is hinged with the rotating cylinder 20. One end of the third connecting rod 18 in the embodiment of the application is a compound hinge and is hinged with the fifth piston rod 17 and the fourth connecting rod 19. The stroke of the fifth hydraulic cylinder 16 can be controlled to adjust the included angle between the actuator 21 and the actuator arm 15, thereby adjusting the working range of the actuator 21.
According to the working arm, the working flexibility of the working arm can be greatly improved through the cooperation of the second hydraulic cylinder 8 and the fourth hydraulic cylinder 13; the striking frequency and the crushing strength of the working arm can be greatly increased by the fifth hydraulic cylinder 16.
The working arm structure of the embodiment of the application adopts a topological idea to carry out optimal design, has no redundant parts, ensures the functions of the working arm, and greatly reduces the manufacturing and production cost of the working arm.
The embodiment of the application also provides an engineering machinery vehicle, and the working arm of the embodiment of the application is arranged on the engineering machinery vehicle. According to the embodiment of the application, the engineering machinery vehicle can be of different types according to different types of the execution part 21, for example, when the execution part 21 is an impact hammer, the engineering machinery vehicle is a picking trolley; when the executing component 21 is a bucket, the engineering machinery vehicle of the embodiment of the application is an excavator; when the executing component 21 is a lifting ring, the engineering machinery vehicle of the embodiment of the application is a crane.
The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (7)
1. A work arm for increasing a work space, comprising:
A base;
one end of the connecting arm is hinged on the base;
the first pitch angle adjusting mechanism comprises a first connecting rod, a second connecting rod, a first hydraulic cylinder and a first piston rod; one end of the first connecting rod is hinged to the base, the other end of the first connecting rod is hinged to the left upper end of the second connecting rod and the cylinder body of the first hydraulic cylinder, and the other end of the first hydraulic cylinder is hinged to the connecting arm through the first piston rod; the other end of the connecting arm is hinged to the middle lower part of the second connecting rod;
one end of the telescopic arm mechanism is hinged to the upper right end of the second connecting rod;
one end of the tail end executing mechanism is hinged to the other end of the telescopic arm mechanism; and
The second pitch angle adjusting mechanism comprises a second hydraulic cylinder and a second piston rod, the cylinder body of the second hydraulic cylinder is hinged on the base, and the other end of the second hydraulic cylinder is hinged on the telescopic arm mechanism through the second piston rod;
the second connecting rod is of a V-shaped structure or is a triangular plate.
2. A working arm for raising a working space as recited in claim 1, wherein said telescopic arm mechanism comprises:
A first telescopic arm;
the second telescopic arm is connected with the first telescopic arm in a moving pair; and
And one end of the cylinder body of the third hydraulic cylinder is hinged to the first telescopic arm, and the other end of the cylinder body of the third hydraulic cylinder is hinged to the second telescopic arm through a third piston rod.
3. A working arm for increasing a working space as recited in claim 2 wherein said end effector comprises:
one end of the execution working arm is hinged with one end of the second telescopic arm;
one end of the rotating oil cylinder is hinged to the executing working arm; and
And one end of the execution component is fixedly connected to the rotating oil cylinder.
4. A working arm for increasing a working space according to claim 3, further comprising a fourth hydraulic cylinder, wherein one end of the cylinder body of the fourth hydraulic cylinder is hinged to the second telescopic arm, and the other end of the fourth hydraulic cylinder is hinged to the actuating working arm through a fourth piston rod.
5. The workspace-enhancing work arm of claim 4 wherein said end effector further comprises:
one end of the cylinder body of the fifth hydraulic cylinder is hinged to the execution working arm;
One end of the third connecting rod is hinged to the execution working arm, and the other end of the third connecting rod is hinged to a fifth piston rod of the fifth hydraulic cylinder;
And one end of the fourth connecting rod is hinged to the execution working arm, the other end of the fourth connecting rod is hinged to the third connecting rod, and the fourth connecting rod is hinged to the rotating oil cylinder.
6. A working arm for increasing a working space according to any one of claims 3-5, wherein said actuator is any one of an impact hammer, a bucket, a hoist ring.
7. A working machine vehicle, wherein the working machine vehicle is provided with a working arm for improving working space according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470969.4A CN116335225B (en) | 2023-04-27 | 2023-04-27 | Working arm for improving working space and engineering machinery vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470969.4A CN116335225B (en) | 2023-04-27 | 2023-04-27 | Working arm for improving working space and engineering machinery vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116335225A CN116335225A (en) | 2023-06-27 |
| CN116335225B true CN116335225B (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310470969.4A Active CN116335225B (en) | 2023-04-27 | 2023-04-27 | Working arm for improving working space and engineering machinery vehicle |
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| CN115387789A (en) * | 2022-09-16 | 2022-11-25 | 中国地质大学（武汉） | Working arm and engineering machinery vehicle |
| CN115538510A (en) * | 2022-09-16 | 2022-12-30 | 中国地质大学（武汉） | Working arm and engineering machinery vehicle |
| CN115573715A (en) * | 2022-10-09 | 2023-01-06 | 安徽佳乐建设机械有限公司 | Telescopic arm support of crow trolley |
| CN115977191A (en) * | 2023-01-31 | 2023-04-18 | 中国地质大学（武汉） | Working arm for improving working range and stroke and engineering machinery vehicle |
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2023
- 2023-04-27 CN CN202310470969.4A patent/CN116335225B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE0103935L (en) * | 2001-11-26 | 2003-05-27 | Cranab Ab | Device for hanging a rotary working tool |
| JP2009133084A (en) * | 2007-11-29 | 2009-06-18 | Hitachi Constr Mach Co Ltd | Offset boom type front device |
| UA96058C2 (en) * | 2010-02-18 | 2011-09-26 | Манжула Иван Трохимович | Executive device of an auger machine |
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| CN116335225A (en) | 2023-06-27 |
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