CN116335226A - Working arm capable of increasing working angle and bearing capacity and engineering machinery vehicle - Google Patents
Working arm capable of increasing working angle and bearing capacity and engineering machinery vehicle Download PDFInfo
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- CN116335226A CN116335226A CN202310470985.3A CN202310470985A CN116335226A CN 116335226 A CN116335226 A CN 116335226A CN 202310470985 A CN202310470985 A CN 202310470985A CN 116335226 A CN116335226 A CN 116335226A
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 239000012636 effector Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011435 rock Substances 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
- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
The application provides an increase working angle, improvement bearing capacity's work arm and engineering machine tool car, this work arm include base, linking arm, telescopic arm mechanism, end effector, first pitch angle adjustment mechanism and second pitch angle adjustment mechanism. According to the working arm capable of increasing the working angle and improving the bearing capacity, the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism can be matched to act, the pitch angle of the telescopic arm mechanism is adjusted together, the working angle of the telescopic arm can be increased through the combined adjusting action of the two adjusting mechanisms, and the working range of the working arm is enlarged; in addition, the four-bar linkage is formed among the base, the first connecting rod, the second connecting rod and the connecting arm, so that impact vibration generated when the end actuating mechanism works can be shared to a greater extent, and the bearing capacity and the impact resistance of the working arm are improved.
Description
Technical Field
The application belongs to the technical field of engineering mechanical equipment, and particularly relates to a working arm and an engineering mechanical vehicle capable of increasing a working angle and improving bearing capacity.
Background
Currently, end effectors are widely used in the construction and tunnel excavation industries, and working arm mechanisms are the main components for loading each actuator. In crushing operations, the demands on the working angle and the load-bearing capacity of the working arms of the crushing equipment become higher and higher, due to the rock mass or the building being too high. The existing impact vibration machine generally has the problems of insufficient working angle, poor bearing capacity and the like, so that the problems need to be solved, and the working efficiency of the working arm can be improved better.
Disclosure of Invention
An object of the present application is to provide a work arm and engineering machinery vehicle that increase working angle, improve bearing capacity to solve the technical problem that working angle of work arm among the prior art is not enough, bearing capacity is relatively poor.
To achieve the above object, according to a first aspect of the present application, there is provided a working arm for increasing a working angle and improving a bearing capacity, including:
a base;
one end of the connecting arm is hinged on the base;
one end of the telescopic arm mechanism is hinged to the connecting arm;
one end of the tail end executing mechanism is hinged to the other end of the telescopic arm mechanism;
a first pitch angle adjustment mechanism comprising a first hydraulic cylinder and a first piston rod; one end of the first hydraulic cylinder is hinged to the connecting arm, and the other end of the first hydraulic cylinder is hinged to the telescopic arm mechanism through the first piston rod; the method comprises the steps of,
the second pitch angle adjusting mechanism comprises a second hydraulic cylinder, a second piston rod, a first connecting rod and a second connecting rod; one end of the second hydraulic cylinder is hinged to the base, the other end of the second hydraulic cylinder is hinged to the first connecting rod through the second piston rod, the left lower end of the first connecting rod is hinged to the base, the right upper end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the connecting arm and the telescopic arm mechanism.
Further, one end of the first hydraulic cylinder is hinged to the middle position of the connecting arm.
Further, the first connecting rod is a triangular plate, and three end points of the first connecting rod are hinged with the second piston rod, the base and the second connecting rod respectively.
Further, a connecting plate protruding upwards is arranged on the base, and the left lower end of the first connecting rod is hinged with the upper end of the connecting 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 third hydraulic cylinder is hinged to the first telescopic arm, and the other end 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 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 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 capable of increasing the working angle and improving the bearing capacity, the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism can be matched to act, the pitch angle of the telescopic arm mechanism is adjusted together, the working angle of the telescopic arm can be increased through the combined adjusting action of the two adjusting mechanisms, and the working range of the working arm is enlarged; in addition, the four-bar linkage is formed among the base, the first connecting rod, the second connecting rod and the connecting arm, so that impact vibration generated when the end actuating mechanism works can be shared to a greater extent, and the bearing capacity and the impact resistance of the working arm are improved.
The engineering machinery vehicle has the advantages of large working angle and high bearing capacity because of 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 required for 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 increasing a working angle and improving a bearing capacity according to an embodiment of the present application;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a schematic diagram of a working state when an included angle between a working arm and the ground is minimum in the embodiment of the present application;
fig. 4 is a schematic diagram of a working state when an included angle between a working arm and the ground is the largest in the embodiment of the present application.
Wherein, each reference sign in the figure:
1. the hydraulic device comprises a base, 2, a second hydraulic cylinder, 3, a second piston rod, 4, a first connecting rod, 5, a second connecting rod, 6, a connecting arm, 7, a first hydraulic cylinder, 8, a first piston rod, 9, a first telescopic arm, 10, a third hydraulic cylinder, 11, a third piston rod, 12, a second telescopic arm, 13, an execution working arm, 14, a fourth hydraulic cylinder, 15, a fourth piston rod, 16, a fifth hydraulic cylinder, 17, a fifth piston rod, 18, a third connecting rod, 19, a fourth connecting rod, 20, a rotating cylinder, 21 and an execution part.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present 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 present 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, merely to facilitate describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular 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 to fig. 4, a working arm structure for increasing a working angle and improving a bearing capacity according to an embodiment of the present application will now be described.
The working arm capable of increasing the working angle and improving the bearing capacity comprises a base 1, a connecting arm 6, a telescopic arm mechanism, an end actuating mechanism, a first pitch angle adjusting mechanism and a second pitch angle adjusting mechanism. One end of the connecting arm 6 is hinged on the base 1, one end of the telescopic arm mechanism is hinged on the connecting arm 6, and one end of the tail end executing mechanism is hinged on the other end of the telescopic arm mechanism; the first pitch angle adjusting mechanism comprises a first hydraulic cylinder 7 and a first piston rod 8; one end of a first hydraulic cylinder 7 is hinged on the connecting arm 6, and the other end of the first hydraulic cylinder 7 is hinged on the telescopic arm mechanism through a first piston rod 8; the second pitch angle adjusting mechanism comprises a second hydraulic cylinder 2, a second piston rod 3, a first connecting rod 4 and a second connecting rod 5; one end of the second hydraulic cylinder 2 is hinged on the base 1, the other end of the second hydraulic cylinder 2 is hinged on the first connecting rod 4 through the second piston rod 3, the left lower end of the first connecting rod 4 is hinged on the base 1, the right upper end of the first connecting rod 4 is hinged on one end of the second connecting rod 5, and the other end of the second connecting rod 5 is hinged with the connecting arm 6 and the telescopic arm mechanism.
In this embodiment of the present application, the hinge hole on the left side of the base 1 is hinged with the cylinder body of the second hydraulic cylinder 2, the second piston rod 3 is hinged with the middle hinge hole of the first connecting rod 4, the lower left hole of the first connecting rod 4 is hinged with the base 1, and the upper right hinge hole of the first connecting rod 4 is hinged with the hinge hole of the end part of the second connecting rod 5. The upper right hole of the connecting arm 6 is a compound hinge which is hinged with the other end of the second connecting rod 5 and one end of the telescopic arm mechanism at the same time.
When the working arm for increasing the working angle and improving the bearing capacity is used, the connecting arm 6 can be driven to move by the contraction or the extension of the second hydraulic cylinder 2 in the second pitch angle adjusting mechanism, and the included angle between the connecting arm 6 and the horizontal plane is adjusted; the telescopic arm mechanism is driven to move by the contraction or the extension of a first hydraulic cylinder 7 in the first pitch angle adjusting mechanism, and the size of an included angle between the telescopic arm mechanism and the connecting arm 6 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 range of the working arm is enlarged.
According to the working arm capable of increasing the working angle and improving the bearing capacity, the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism can be matched to act, the pitch angle of the telescopic arm mechanism is adjusted together, the working angle of the telescopic arm can be increased through the combined adjusting action of the two adjusting mechanisms, and the working range of the working arm is enlarged; in addition, the four-bar mechanism is formed among the base 1, the first connecting bar 4, the second connecting bar 5 and the connecting arm 6, so that impact vibration generated during working of the end actuating mechanism can be shared to a large extent, and the bearing capacity and the impact resistance of the working arm are improved.
In one embodiment of the present application, one end of the first hydraulic cylinder 7 is hinged to the middle position of the connecting arm 6, where the middle position refers to any position between the two ends of the connecting arm 6, and may be hinged to 1/3 or 1/2 of the length of the connecting arm 6, for example. By having one end of the first hydraulic cylinder 7 hinged in the middle position of the connecting arm 6, instead of at the end point of the connecting arm 6, i.e. one end of the first hydraulic cylinder 7 is not hinged on the base 1, a larger angle adjustment range can be obtained with a smaller stroke of the first hydraulic cylinder 7, reducing the cost of the first hydraulic cylinder 7.
In one embodiment of the present application, the first connecting rod 4 is a triangular plate, and three end points of the first connecting rod 4 are hinged to the second piston rod 8, the base 1 and the second connecting rod 5, respectively. The triangle-shaped platy head rod 4 can satisfy the demand of articulated simultaneously with second piston rod 8, base 1 and second connecting rod 5, and its stable in structure can bear bigger impact vibration, can improve the bearing capacity and the shock resistance of work arm.
In an embodiment of this application, be equipped with upward convex connecting plate on the base 1, the left lower extreme of head rod 4 is articulated with the upper end of connecting plate, compares in the left lower extreme with head rod 4 directly articulates on base 1, and the project organization of this application embodiment has better structural stability, can bear bigger impact vibration, can improve the bearing capacity and the shock resistance of work arm.
In one embodiment of the present application, the telescopic arm mechanism of the embodiment of the present application includes a first telescopic arm 9, a second telescopic arm 12, and a third hydraulic cylinder 10, where the second telescopic arm 12 is connected with the first telescopic arm 9 in a moving pair; one end of a third hydraulic cylinder 10 is hinged on the ear seat at the lower side of the first telescopic arm 9, 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 9 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 13, a rotary cylinder 20, and an actuating member 21, wherein one end of the actuating arm 13 is hinged to one end of the second telescopic arm 12; one end of the rotating cylinder 20 is hinged on the executing working arm 13; 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 the operation, for example, may be 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 14, one end of the fourth hydraulic cylinder 14 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 14 is hinged on the ear mount at the lower side of the actuating working arm 13 through a fourth piston rod 15. The size of the included angle between the actuating arm 13 and the second telescopic arm 12 can be adjusted by controlling the stroke of the fourth hydraulic cylinder 14, so that the working range can be adjusted.
In one embodiment of the present application, the end effector of the embodiment of the present application further includes a fifth hydraulic cylinder 16, a third connecting rod 18 and a fourth connecting rod 19, the third connecting rod 18 is a meniscus, and one end of the fifth hydraulic cylinder 16 is hinged on an ear seat on the lower side of the actuating arm 13; one end of a third connecting rod 18 is hinged on the execution working arm 13, 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 execution working arm 13, 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 present application is a compound hinge, and is hinged to 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 13, thereby adjusting the working range of the actuator 21.
The working principle of the working arm of the embodiment of the application is as follows: the pitch of the connecting arm 6 is adjusted through the second hydraulic cylinder 2, the pitch of the first telescopic arm 9 is adjusted through the first hydraulic cylinder 7, the position of the second telescopic arm 12 is adjusted through the third hydraulic cylinder 10, the pitch of the actuating arm 13 is adjusted through the fourth hydraulic cylinder 14, the pitch of the rotary cylinder 20 is adjusted through the fifth hydraulic cylinder 16, and the left-right swing angle of the actuating component 21 is adjusted through the rotary cylinder 20.
Fig. 3 and 4 show two working states of the working arm provided in the embodiment of the present application, in fig. 3, the second piston rod 3 of the second hydraulic cylinder 2 is extended to the longest, the first piston rod 8 of the first hydraulic cylinder 7 is contracted to the shortest, the third piston rod 11 of the third hydraulic cylinder 10 is contracted to the shortest, the fourth piston rod 15 of the fourth hydraulic cylinder 14 is extended to the longest, and the working arm is in the first limit position, that is, the elevation angle of the first telescopic arm 9 reaches the minimum state.
In fig. 4, the second piston rod 3 of the second hydraulic cylinder 2 is contracted to the shortest, the first piston rod 8 of the first hydraulic cylinder 7 is extended to the longest, the third piston rod 11 of the third hydraulic cylinder 10 is extended to the longest, the fourth piston rod 15 of the fourth hydraulic cylinder 14 is contracted to the shortest, and the working arm is in the second limit position, i.e. the elevation angle of the first telescopic arm 9 reaches the maximum state.
The difference between the maximum elevation angle and the minimum elevation angle of a general working arm is about 35 degrees, and the working angle range of the working arm can be effectively enlarged by the matching adjustment action of the first pitch angle adjusting mechanism and the second pitch angle adjusting mechanism, so that the difference between the maximum elevation angle and the minimum elevation angle of the working arm reaches about 45 degrees.
The working arm of the embodiment of the application is an eighteen-rod linkage mechanism with five degrees of freedom, and a power actuating mechanism of the mechanical arm is designed by adopting mechanism topology without redundant structural members.
The embodiment of the application also provides an engineering machinery vehicle, and the working arm of the embodiment of the application is installed on the engineering machinery vehicle. The engineering machinery vehicle in the embodiment of the present application may be different types of engineering machinery vehicles according to different types of the execution component 21, for example, when the execution component 21 is an impact hammer, the engineering machinery vehicle in the embodiment of the present application is a picking trolley; when the execution part 21 is a bucket, the engineering machinery vehicle of the embodiment of the application is an excavator; when the executing member 21 is a lifting ring, the engineering machinery vehicle in the embodiment of the present application is a crane.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not thereby to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. A work arm for increasing a work angle and improving a bearing capacity, comprising:
a base;
one end of the connecting arm is hinged on the base;
one end of the telescopic arm mechanism is hinged to the connecting arm;
one end of the tail end executing mechanism is hinged to the other end of the telescopic arm mechanism;
a first pitch angle adjustment mechanism comprising a first hydraulic cylinder and a first piston rod; one end of the first hydraulic cylinder is hinged to the connecting arm, and the other end of the first hydraulic cylinder is hinged to the telescopic arm mechanism through the first piston rod; the method comprises the steps of,
the second pitch angle adjusting mechanism comprises a second hydraulic cylinder, a second piston rod, a first connecting rod and a second connecting rod; one end of the second hydraulic cylinder is hinged to the base, the other end of the second hydraulic cylinder is hinged to the first connecting rod through the second piston rod, the left lower end of the first connecting rod is hinged to the base, the right upper end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the connecting arm and the telescopic arm mechanism.
2. The working arm of claim 1 wherein one end of said first hydraulic cylinder is hinged to an intermediate position of said connecting arm.
3. The working arm of claim 1 wherein the first connecting rod is a triangular plate and three ends of the first connecting rod are hinged to the second piston rod, the base and the second connecting rod, respectively.
4. A working arm according to claim 3, wherein the base is provided with an upwardly projecting web, the lower left end of the first link being hinged to the upper end of the web.
5. The working arm of claim 1 wherein the telescoping 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 third hydraulic cylinder is hinged to the first telescopic arm, and the other end of the third hydraulic cylinder is hinged to the second telescopic arm through a third piston rod.
6. The working arm of claim 5 wherein the 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.
7. The work arm of claim 6 further comprising a fourth hydraulic cylinder, one end of said fourth hydraulic cylinder being hinged to said second telescoping arm and the other end of said fourth hydraulic cylinder being hinged to said implement work arm by a fourth piston rod.
8. The working arm of claim 7 wherein the end effector further comprises:
one end 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.
9. A working arm according to any of claims 6-8, wherein the actuator is any of an impact hammer, a bucket, a lifting ring.
10. A working machine vehicle, characterized in that the working arm according to any one of claims 1 to 9 is mounted on the working machine vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470985.3A CN116335226B (en) | 2023-04-27 | 2023-04-27 | Working arm capable of increasing working angle and bearing capacity and engineering machinery vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470985.3A CN116335226B (en) | 2023-04-27 | 2023-04-27 | Working arm capable of increasing working angle and bearing capacity and engineering machinery vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116335226A true CN116335226A (en) | 2023-06-27 |
| CN116335226B CN116335226B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310470985.3A Active CN116335226B (en) | 2023-04-27 | 2023-04-27 | Working arm capable of increasing working angle and bearing capacity and engineering machinery vehicle |
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| CN (1) | CN116335226B (en) |
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| US20050076546A1 (en) * | 2002-02-07 | 2005-04-14 | Huissoon Dingenis Laurens | Mobile apparatus for earth moving and other operations such as lifting and displacing of loads |
| CN203412009U (en) * | 2013-08-22 | 2014-01-29 | 陈刚 | Novel excavating mechanism of backhoe loader |
| CN210178381U (en) * | 2019-04-03 | 2020-03-24 | 蓝传雯 | Angle adjusting arm support |
| CN212294794U (en) * | 2020-09-28 | 2021-01-05 | 徐工集团工程机械股份有限公司科技分公司 | Angle-adjustable translational lifting machine |
| CN113924879A (en) * | 2021-11-10 | 2022-01-14 | 国网湖北省电力有限公司宜昌供电公司 | Power line trees wrecker |
| CN217710709U (en) * | 2022-02-14 | 2022-11-01 | 成都悦合科技有限公司 | Telescopic piling arm |
| CN115538510A (en) * | 2022-09-16 | 2022-12-30 | 中国地质大学（武汉） | Working arm and engineering machinery vehicle |
-
2023
- 2023-04-27 CN CN202310470985.3A patent/CN116335226B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050076546A1 (en) * | 2002-02-07 | 2005-04-14 | Huissoon Dingenis Laurens | Mobile apparatus for earth moving and other operations such as lifting and displacing of loads |
| CN203412009U (en) * | 2013-08-22 | 2014-01-29 | 陈刚 | Novel excavating mechanism of backhoe loader |
| CN210178381U (en) * | 2019-04-03 | 2020-03-24 | 蓝传雯 | Angle adjusting arm support |
| CN212294794U (en) * | 2020-09-28 | 2021-01-05 | 徐工集团工程机械股份有限公司科技分公司 | Angle-adjustable translational lifting machine |
| CN113924879A (en) * | 2021-11-10 | 2022-01-14 | 国网湖北省电力有限公司宜昌供电公司 | Power line trees wrecker |
| CN217710709U (en) * | 2022-02-14 | 2022-11-01 | 成都悦合科技有限公司 | Telescopic piling arm |
| CN115538510A (en) * | 2022-09-16 | 2022-12-30 | 中国地质大学（武汉） | Working arm and engineering machinery vehicle |
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| Publication number | Publication date |
|---|---|
| CN116335226B (en) | 2024-05-10 |
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