CN215564517U - Arm support device and engineering machinery - Google Patents
Arm support device and engineering machinery Download PDFInfo
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- CN215564517U CN215564517U CN202120513535.4U CN202120513535U CN215564517U CN 215564517 U CN215564517 U CN 215564517U CN 202120513535 U CN202120513535 U CN 202120513535U CN 215564517 U CN215564517 U CN 215564517U
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Abstract
The utility model provides an arm support device and engineering machinery, and relates to the technical field of engineering machinery. The arm support device comprises at least six sections of arm supports which are sequentially hinged, when each section of arm support of the arm support device is in a folded state, a first section of arm support and a second section of arm support are located at a first vertical surface position, a fourth section of arm support, a fifth section of arm support and a sixth section of arm support are located at a second vertical surface position, one end of the third section of arm support is located at the first vertical surface position, the other end of the third section of arm support is located at the second vertical surface position, the second section of arm support is folded below the first section of arm support, one end of the third section of arm support is located between the first section of arm support and the second section of arm support, the fourth section of arm support is located above the other end of the third section of arm support, the fifth section of arm support is located above the fourth section of arm support, and the sixth section of arm support is located between the fourth section of arm support and the fifth section of arm support. The folding layout of the arm support is optimized on the basis of ensuring the number of the arm supports as much as possible, so that the folded structure of the arm support is more compact.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a boom device and engineering machinery.
Background
Concrete pumps, arm supports and the like are integrated on the concrete pump truck, and during building construction, concrete is conveyed to a specified position through the concrete pumps and the arm supports. When the concrete pump truck is in use, the arm support is in an unfolded state, and the direction of the tail end arm support is changed by adjusting the rotating angle of the adjacent arm support along with the change of the designated position. Therefore, the more the number of the arm supports of the concrete pump truck is, the longer the maximum length of the arm supports is, the longer the concrete conveying distance is, and the more flexible the angle adjustment of the arm supports is. However, when the arm support on the concrete pump truck is in a folded state, the overall dimension of the truck is limited by traffic regulations, and the number of the arm supports cannot be increased without limit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an arm support device, which optimizes the folding arrangement of arm supports on the basis of ensuring the number of the arm supports as much as possible, so that the folded structure of the arm support is more compact.
In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
when the arm supports of the arm support device are in a folded state, a first arm support and a second arm support are located at a first vertical surface position, a fourth arm support, a fifth arm support and a sixth arm support are located at a second vertical surface position, the first vertical surface position and the second vertical surface position are spaced at a set distance, the third arm support is set to be a turning arm support, one end of the third arm support is located at the first vertical surface position, the other end of the third arm support is located at the second vertical surface position, the second arm support is folded below the first arm support, one end of the third arm support is located between the first arm support and the second arm support, the fourth arm support is located above the other end of the third arm support, the fifth arm support is located above the fourth arm support, and the sixth arm support is located between the fourth arm support and the fifth arm support.
Preferably, at least one of the end of the fifth arm frame hinged to the fourth arm frame, the end of the fifth arm frame hinged to the sixth arm frame, and the middle part of the fifth arm frame is of an arc-shaped structure.
Preferably, one end of the fifth arm support hinged with the fourth arm support is of an arc structure.
Preferably, one end of the fifth arm support hinged to the fourth arm support, one end of the fifth arm support hinged to the sixth arm support, and the middle part of the fifth arm support are all arc-shaped structures.
Preferably, one end of the fifth arm support hinged to the sixth arm support is connected through a hydraulic oil cylinder and a link mechanism.
Preferably, one end of the first arm support hinged with the second arm support is connected through a hydraulic oil cylinder and a link mechanism; one end of the second arm frame, which is hinged with the third arm frame, is connected through a hydraulic oil cylinder and a connecting rod mechanism; one end of the third arm frame, which is hinged with the fourth arm frame, is connected with the other end of the fourth arm frame through a hydraulic oil cylinder and a link mechanism; one end of the fourth arm frame, which is hinged with the fifth arm frame, is connected with the other end of the fifth arm frame through a hydraulic oil cylinder and a link mechanism.
Preferably, each section of arm support is provided with a conveying pipeline, and the conveying pipelines on the adjacent arm supports are communicated through a connecting piece.
Preferably, the device further comprises a rotary table, and one end of the first arm support is hinged with the rotary table.
The utility model also provides engineering machinery which comprises a chassis, wherein the arm support device is arranged on the chassis.
Preferably, the engineering machinery is set as a concrete pump truck.
The beneficial technical effects of the utility model are as follows:
the arm support device and the engineering machinery are provided with at least six sections of arm supports to ensure the concrete conveying distance and the flexibility of arm support angle adjustment, when the sections of arm supports are in folded states, the sections of arm supports are arranged at two vertical surface positions, one ends of a first section of arm support, a second section of arm support and a third section of arm support are folded into R shapes, the other ends of the third section of arm support, a fourth section of arm support and a fifth section of arm support are folded into Z shapes, and the fifth section of arm support and the sixth section of arm support are folded into R shapes to optimize the folding arrangement of the arm supports, so that the overall structure of the folded sections of arm supports is more compact and occupies less space.
Drawings
Fig. 1 is a schematic structural diagram of arm support devices of an embodiment of the present invention when each arm support section is in an unfolded state;
fig. 2 is a side view of the front three sections of arm frames when the arm frames of the arm frame device are in a folded state according to the embodiment of the utility model;
fig. 3 is a top view of the front three sections of arm frames when the arm frames of the arm frame device are in a folded state according to the embodiment of the utility model;
fig. 4 is a side view of third to sixth arm rests when the arm rests of the arm rest device are in a folded state according to the embodiment of the utility model;
fig. 5 is a top view of third to sixth arm frames of the arm frame device according to the embodiment of the present invention when the arm frames are in a folded state.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings in combination with the specific embodiments. Certain embodiments of the utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. Indeed, various embodiments of the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, a boom device is provided, please refer to fig. 1 to 5.
A boom device comprises a rotary table 7 and six sections of booms which are sequentially hinged, wherein the six sections of booms are specifically a first section of boom 1, a second section of boom 2, a third section of boom 3, a fourth section of boom 4, a fifth section of boom 5 and a sixth section of boom 6, one end of the first section of boom 1 is hinged with the rotary table 7, and each section of boom can be in an unfolded state or a folded state.
The structure of each arm frame is shown in figure 1 when the arm frames are in the unfolded state.
When the arm frames are in the folded state, the structure is as shown in fig. 2 to 5. The first section of arm support 1 and the second section of arm support 2 are located at a first vertical surface position, the fourth section of arm support 4, the fifth section of arm support 5 and the sixth section of arm support 6 are located at a second vertical surface position, and the first vertical surface position and the second vertical surface position are spaced by a set distance. The third section of arm support 3 is set as a turning arm support, the third section of arm support 3 is integrally arranged in an S shape, one end of the third section of arm support 3 is located at the first vertical plane position, and the other end of the third section of arm support 3 is located at the second vertical plane position. The second section of arm frame 2 is folded below the first section of arm frame 1, one end of the third section of arm frame 3 is positioned between the first section of arm frame 1 and the second section of arm frame 2, and one ends of the first section of arm frame 1, the second section of arm frame 2 and the third section of arm frame 3 are folded into an R shape. The fourth section of arm support 4 is positioned above the other end of the third section of arm support 3, and the fifth section of arm support 5 is positioned above the fourth section of arm support 4, so that the other end of the third section of arm support 3, the fourth section of arm support 4 and the fifth section of arm support 5 are folded into a Z shape. The sixth arm support 6 is positioned between the fourth arm support 4 and the fifth arm support 5, so that the fifth arm support 5 and the sixth arm support 6 are folded into an R shape.
At least one of the end of the fifth arm frame 5 hinged to the fourth arm frame 4, the end of the fifth arm frame 5 hinged to the sixth arm frame 6 and the middle part of the fifth arm frame 5 is of an arc-shaped structure, so that an accommodating space is formed between the fourth arm frame 4 and the fifth arm frame 5, and the sixth arm frame 6 is located in the accommodating space. In a preferable mode, one end of the fifth arm support 5, which is hinged to the fourth arm support 4, is an arc-shaped structure, so that the sixth arm support 6 can extend to the inner side of the accommodating space, and the sixth arm support 6 is extended as far as possible. In another preferable mode, one end of the fifth arm support 5 hinged to the fourth arm support 4, one end of the fifth arm support 5 hinged to the sixth arm support 6, and the middle part of the fifth arm support 5 are all arc-shaped structures, so that the sixth arm support 6 can be ensured to be extended as far as possible, but the processing and forming cost of the fifth arm support 5 is slightly high.
As shown in fig. 1 to 5, in this embodiment, the turntable 7 is connected to one end of the first arm support 1 through a first hydraulic cylinder 11; one end of the first arm frame section 1, which is hinged with the second arm frame section 2, is connected with the other end of the second arm frame section through a second hydraulic cylinder 21 and a link mechanism; one end of the second arm frame section 2, which is hinged with the third arm frame section 3, is connected through a third hydraulic oil cylinder 31 and a connecting rod mechanism; one end of the third arm support 3, which is hinged with the fourth arm support 4, is connected with the fourth hydraulic oil cylinder 41 and the connecting rod mechanism; one end of the fourth arm support 4, which is hinged with the fifth arm support 5, is connected with the fifth hydraulic oil cylinder 51 through a connecting rod mechanism; one end of the fifth arm support 5, which is hinged with the sixth arm support 6, is connected with the sixth hydraulic oil cylinder 61 and the link mechanism. And each section of arm support is provided with a conveying pipeline 8, the conveying pipelines 8 on the adjacent arm supports are communicated through a connecting piece, one end of each conveying pipeline 8 is connected with a concrete pump, the other end of each conveying pipeline 8 is positioned at the tail end of the sixth section of arm support 6, and the concrete is conveyed to an appointed position through the concrete pump and the conveying pipelines 8 on each section of arm support.
The embodiment of the utility model also provides engineering machinery, wherein the engineering machinery is preferably a concrete pump truck, a chassis is arranged on the concrete pump truck, and the arm support device is arranged on the chassis.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly recognize a boom apparatus of the present invention. The arm support device is applied to engineering machinery, at least six sections of arm supports are arranged to ensure the concrete conveying distance and the flexibility of arm support angle adjustment, when the sections of arm supports are in folded states, the sections of arm supports are arranged at two vertical surface positions, one ends of a first section of arm support 1, a second section of arm support 2 and a third section of arm support 3 are folded into R shapes, the other end of the third section of arm support 3, a fourth section of arm support 4 and a fifth section of arm support 5 are folded into Z shapes, the fifth section of arm support 5 and a sixth section of arm support 6 are folded into R shapes, the folding arrangement of the arm supports is optimized, the overall structure of the folded sections of arm supports is more compact, and less space is occupied.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A boom device is characterized in that: the foldable cantilever crane device comprises at least six sections of sequentially hinged cantilever cranes, when the sections of the cantilever cranes of the cantilever crane device are in a folded state, a first section of cantilever crane and a second section of cantilever crane are located at a first vertical surface position, a fourth section of cantilever crane, a fifth section of cantilever crane and the sixth section of cantilever crane are located at a second vertical surface position, the first vertical surface position and the second vertical surface position are separated by a set distance, the third section of cantilever crane is set to be a turning cantilever crane, one end of the third section of cantilever crane is located at the first vertical surface position, the other end of the third section of cantilever crane is located at the second vertical surface position, the second section of cantilever crane is folded below the first section of cantilever crane, one end of the third section of cantilever crane is located between the first section of cantilever crane and the second section of cantilever crane, the fourth section of cantilever crane is located above the other end of the third section of cantilever crane, the fifth section of cantilever crane is located above the fourth section of cantilever crane, and the sixth section of cantilever crane is located between the fourth section of cantilever crane and the fifth section of cantilever crane.
2. The boom apparatus of claim 1, wherein: at least one part of one end of the fifth arm frame, which is hinged with the fourth arm frame, one end of the fifth arm frame, which is hinged with the sixth arm frame, and the middle part of the fifth arm frame is of an arc-shaped structure.
3. The boom apparatus of claim 2, wherein: one end of the fifth arm support, which is hinged with the fourth arm support, is of an arc structure.
4. The boom apparatus of claim 2, wherein: one end of the fifth arm frame, which is hinged with the fourth arm frame, one end of the fifth arm frame, which is hinged with the sixth arm frame, and the middle part of the fifth arm frame are all arc-shaped structures.
5. The boom apparatus of claim 1, wherein: one end of the fifth arm frame, which is hinged with the sixth arm frame, is connected with the other end of the sixth arm frame through a hydraulic oil cylinder and a link mechanism.
6. The boom apparatus of claim 5, wherein: one end of the first arm frame, which is hinged with the second arm frame, is connected with the other end of the second arm frame through a hydraulic oil cylinder and a link mechanism; one end of the second arm frame, which is hinged with the third arm frame, is connected through a hydraulic oil cylinder and a connecting rod mechanism; one end of the third arm frame, which is hinged with the fourth arm frame, is connected with the other end of the fourth arm frame through a hydraulic oil cylinder and a link mechanism; one end of the fourth arm frame, which is hinged with the fifth arm frame, is connected with the other end of the fifth arm frame through a hydraulic oil cylinder and a link mechanism.
7. The boom apparatus of claim 1, wherein: each section of arm support is provided with a conveying pipeline, and the conveying pipelines on the adjacent arm supports are communicated through connecting pieces.
8. The boom apparatus of claim 1, wherein: the arm support further comprises a rotary table, and one end of the first arm support is hinged with the rotary table.
9. A kind of engineering machinery, including the chassis, characterized by: the arm support device of any one of claims 1 to 8 is arranged on the chassis.
10. A working machine according to claim 9, characterized in that: the engineering machinery is set as a concrete pump truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513535.4U CN215564517U (en) | 2021-03-11 | 2021-03-11 | Arm support device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120513535.4U CN215564517U (en) | 2021-03-11 | 2021-03-11 | Arm support device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215564517U true CN215564517U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120513535.4U Active CN215564517U (en) | 2021-03-11 | 2021-03-11 | Arm support device and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215564517U (en) |
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2021
- 2021-03-11 CN CN202120513535.4U patent/CN215564517U/en active Active
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