CN221135886U - Three-section fixed mechanical arm - Google Patents
Three-section fixed mechanical arm Download PDFInfo
- Publication number
- CN221135886U CN221135886U CN202323247224.6U CN202323247224U CN221135886U CN 221135886 U CN221135886 U CN 221135886U CN 202323247224 U CN202323247224 U CN 202323247224U CN 221135886 U CN221135886 U CN 221135886U
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- mechanical arm
- arm
- connecting shaft
- swinging
- fixedly connected
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- 238000007790 scraping Methods 0.000 claims abstract description 22
- 239000003921 oil Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a three-section fixed mechanical arm which comprises a rotary base, a rotary support, a machine base, a rotating mechanism, a swinging mechanism and a swinging mechanism, wherein the machine base is fixedly connected with the rotary support, the rotating mechanism is arranged on the upper surface of the machine base, and the swinging mechanism is arranged at one end of the rotating mechanism. The utility model is rotationally connected with the first mechanical arm through the machine base, the second mechanical arm is rotationally connected with the first mechanical arm, the third mechanical arm is rotationally connected with the second mechanical arm to form a three-section fixed structure, the first mechanical arm, the second mechanical arm and the third mechanical arm are respectively rotated by utilizing the operation of a plurality of hydraulic cylinders, one end of the swinging arm is driven to move by utilizing the movement of the swinging cylinder, the other end of the swinging arm drives one side of the top of the scraping plate to move, the scraping plate swings around the connecting shaft IV, the position of each mechanical arm is conveniently adjusted, the mechanical arms are conveniently stored and unfolded, and the stability among the mechanical arms is improved.
Description
Technical Field
The utility model relates to the field of mechanical arms, in particular to a three-section fixed mechanical arm.
Background
Mechanical arms, also known as robotic arms, are typically programmed to function as a human arm, with common mechanical arm components being articulated to allow rotational movement or parallel displacement, and with each link forming a complete kinematic chain therebetween.
The mechanical arm is similar to a human arm, is generally composed of two movable arms, and utilizes a hydraulic system to provide a power source, so that the movable arms can run, the position of each movable arm is regulated by the common mechanical arm to be limited, the movable arms are inconvenient to regulate in multiple directions, the movable arms are inconvenient to store and expand, and the applicability of the mechanical arm is reduced.
Disclosure of utility model
The present utility model is directed to a three-section stationary mechanical arm, which solves the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a three-section fixed mechanical arm comprises a rotary base;
The bottom end of the slewing bearing is fixedly connected with the upper surface of the slewing base;
the lower surface of the machine base is fixedly connected with the upper surface of the slewing bearing;
the rotating mechanism is arranged on the upper surface of the stand;
and the swinging mechanism is arranged at one end of the rotating mechanism.
Preferably, the rotation mechanism includes:
The first mechanical arm is arranged on the upper surface of the base;
One end of the first connecting shaft is fixedly connected with the top of the inner wall of the machine base, and the first connecting shaft is rotatably and alternately connected with one end of the first mechanical arm;
the second mechanical arm is arranged at the top of the first mechanical arm;
And one end of the second connecting shaft is fixedly connected with the top of the first mechanical arm, and the second connecting shaft is rotatably and alternately connected with the bottom of the second mechanical arm.
Preferably, the rotation mechanism includes:
the third mechanical arm is arranged at one end of the second mechanical arm;
One end of the connecting shaft III is fixedly connected with one end of the second mechanical arm, and the connecting shaft III is rotatably and alternately connected with one end of the third mechanical arm;
the scraping plate is arranged below the third mechanical arm;
And the fourth connecting shaft is fixedly connected with one end of the third mechanical arm and is connected with the top of the scraping plate in a rotating and penetrating way.
Preferably, the rotation mechanism includes:
The hydraulic cylinders are arranged among the first mechanical arm, the second mechanical arm and the third mechanical arm and are used for driving the first mechanical arm, the second mechanical arm and the third mechanical arm to rotate respectively;
The plurality of mounting shafts are connected with the two ends of the hydraulic cylinder in a rotating and penetrating mode.
Preferably, the swing mechanism includes:
The swing arm is arranged above the scraping plate and is used for driving the scraping plate to swing;
The first fixing shaft is fixedly connected with the bottom of the swing arm and is rotatably and alternately connected with one side of the top of the scraping plate.
Preferably, the swing mechanism includes:
The swing oil cylinder is arranged on the third mechanical arm and is used for driving the swing arm to move;
The support arm is arranged between the swing arm and the swing oil cylinder and is used for supporting the swing arm;
And one end of the second fixed shaft is fixedly connected with two ends of the supporting arm respectively, and one end of the second fixed shaft is rotatably and alternately connected with one ends of the swinging arm and the swinging oil cylinder.
Preferably, the upper surface of the slewing bearing is fixedly connected with a plurality of slewing motors, and one side of the upper surface of the machine base is fixedly provided with a multi-way valve.
The utility model has the technical effects and advantages that:
According to the utility model, the first mechanical arm, the second mechanical arm and the third mechanical arm are rotationally connected with the first mechanical arm through the base in a matched arrangement mode, the hydraulic oil cylinders, the swinging oil cylinders and the swinging arms, the second mechanical arm is rotationally connected with the first mechanical arm, the third mechanical arm is rotationally connected with the second mechanical arm to form a three-section fixed structure, the first mechanical arm, the second mechanical arm and the third mechanical arm are respectively rotated by utilizing the operation of the plurality of hydraulic oil cylinders, one end of the swinging arms is driven to move by utilizing the movement of the swinging oil cylinders, the other end of the swinging arms drives one side of the top of the scraping plate to move, the scraping plate swings around the connecting shaft IV, the position of each mechanical arm is conveniently adjusted, the mechanical arms are conveniently stored and unfolded, and the strength and stability among the mechanical arms are improved.
Drawings
Fig. 1 is a schematic front view of a third mechanical arm according to the present utility model.
Fig. 2 is a schematic side view of a third mechanical arm according to the present utility model.
Fig. 3 is a schematic top view of the slewing bearing of the present utility model.
In the figure: 1. a swivel base; 2. a slewing bearing; 3. a base; 4. a rotating mechanism; 41. a first mechanical arm; 42. a first connecting shaft; 43. a second mechanical arm; 44. a second connecting shaft; 45. a third mechanical arm; 46. a third connecting shaft; 47. a scraper; 48. a connecting shaft IV; 49. a hydraulic cylinder; 410. a mounting shaft; 5. a swinging mechanism; 51. a swing arm; 52. a first fixed shaft; 53. swinging the oil cylinder; 54. a support arm; 55. a second fixed shaft; 6. a rotary motor; 7. a multiway valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a three-section fixed mechanical arm as shown in fig. 1-3, which comprises a rotating base 1, wherein the rotating base 1 plays a role in fixing and installing, is used for installing a rotating support 2 and a machine base 3, the rotating support 2 plays a role in bearing, the bottom end of the rotating support 2 is fixedly connected with the upper surface of the rotating base 1, the rotating support 2 is used for rotationally connecting the rotating base 1 and the machine base 3, the lower surface of the machine base 3 is fixedly connected with the upper surface of the rotating support 2, the machine base 3 is used for installing a first mechanical arm 41 and driving the first mechanical arm 41, a second mechanical arm 43 and a third mechanical arm 45 to rotate together;
The rotating mechanism 4 is arranged on the upper surface of the base 3, and the first mechanical arm 41, the second mechanical arm 43 and the third mechanical arm 45 are conveniently unfolded and stored through the rotating mechanism 4;
The swinging mechanism 5 is arranged at one end of the rotating mechanism 4, and the scraping plate 47 is driven to swing through the swinging mechanism 5;
The rotating mechanism 4 comprises a first mechanical arm 41, the first mechanical arm 41 is arranged on the upper surface of the base 3, a first connecting shaft 42, one end of the first connecting shaft 42 is fixedly connected with the top of the inner wall of the base 3, the first connecting shaft 42 is rotatably connected with one end of the first mechanical arm 41 in a penetrating way, the bottom of the first mechanical arm 41 is rotatably connected with one side of the top of the base 3 through the first connecting shaft 42, the first mechanical arm 41 rotates around the first connecting shaft 42, a second mechanical arm 43 is arranged on the top of the first mechanical arm 41, a second connecting shaft 44, one end of the second connecting shaft 44 is fixedly connected with the top of the first mechanical arm 41, the second connecting shaft 44 is rotatably connected with the bottom of the second mechanical arm 43 in a penetrating way, and the bottom of the second mechanical arm 43 is rotatably connected with the top of the first mechanical arm 41 through the second connecting shaft 44, so that the bottom of the second mechanical arm 43 rotates around the second connecting shaft 44;
the rotating mechanism 4 comprises a third mechanical arm 45, the third mechanical arm 45 is arranged at one end of the second mechanical arm 43, a connecting shaft III 46, one end of the connecting shaft III 46 is fixedly connected with one end of the second mechanical arm 43, the connecting shaft III 46 is rotatably connected with one end of the third mechanical arm 45 in a penetrating way, one end of the third mechanical arm 45 is rotatably connected with the top of the second mechanical arm 43 through the connecting shaft III 46, the third mechanical arm 45 rotates around the connecting shaft III 46, a scraping plate 47 is arranged below the third mechanical arm 45, a connecting shaft IV 48, one end of the connecting shaft IV 48 is fixedly connected with one end of the third mechanical arm 45, the connecting shaft IV 48 is rotatably connected with the top of the scraping plate 47 in a penetrating way, one side of the top of the scraping plate 47 is rotatably connected with the other end of the third mechanical arm 45 through the connecting shaft IV 48, the third mechanical arm 45 drives the scraping plate 47 to move together, a plurality of hydraulic cylinders 49, the hydraulic cylinders 49 are electrically connected with an external power supply through an external first switch, the hydraulic cylinders 49 are arranged among the first mechanical arm 41, the second mechanical arm 43 and the third mechanical arm 45 and are used for driving the first mechanical arm 41, the second mechanical arm 43 and the third mechanical arm 45 to rotate respectively, the mounting shafts 410 are connected with two ends of the hydraulic cylinders 49 in a rotating and penetrating way, one end of one hydraulic cylinder 49 is rotationally connected with the top of the first mechanical arm 41 through the mounting shaft 410, the other end is rotationally connected with one side of the base 3 through the mounting shaft 410 and drives the first mechanical arm 41 to rotate, one end of one hydraulic cylinder 49 is rotationally connected with the bottom of the first mechanical arm 41 through the mounting shaft 410, the other end is rotationally connected with the bottom of the second mechanical arm 43 through the mounting shaft 410 and drives the second mechanical arm 43 to rotate, one end of the other hydraulic cylinder 49 is rotatably connected with the bottom of the second mechanical arm 43 through a mounting shaft 410, and the other end of the other hydraulic cylinder is rotatably connected with one end of the third mechanical arm 45 through the mounting shaft 410 to drive the third mechanical arm 45 to rotate;
The swinging mechanism 5 comprises a swinging arm 51, the swinging arm 51 is used for connecting a scraping plate 47 and a swinging oil cylinder 53, the swinging arm 51 is arranged above the scraping plate 47 and is used for driving the scraping plate 47 to swing, a first fixed shaft 52 is fixedly connected with the bottom of the swinging arm 51, the first fixed shaft 52 is rotatably and alternately connected with one side of the top of the scraping plate 47, the bottom of the swinging arm 51 is rotatably and alternately connected with one side of the top of the scraping plate 47 through the first fixed shaft 52, the swinging oil cylinder 53 is electrically connected with an external power supply through a second external switch, the swinging oil cylinder 53 is arranged on a third mechanical arm 45 and is used for driving the swinging arm 51 to move, the other end of the swinging oil cylinder 53 is rotatably connected with the third mechanical arm 45 through a rotating shaft, a supporting arm 54 is arranged between the swinging arm 51 and the swinging oil cylinder 53 and is used for supporting the swinging arm 51, the stable movement of the swinging arm 51 is ensured, one end of the second fixed shaft 55 is fixedly connected with two ends of the supporting arm 54, one end of the second fixed shaft 55 is rotatably and alternately connected with one end of the swinging arm 53, one end of the second fixed shaft 55 is rotatably and rotatably connected with one end of the second fixed shaft 54 through the rotating arm 54, and the other end of the second fixed shaft 55 is rotatably connected with one end of the supporting arm 54;
The upper surface of the slewing bearing 2 is fixedly connected with a plurality of slewing motors 6, the slewing motors 6 are electrically connected with an external power supply through an external third switch, the machine base 3 is driven to rotate through the operation of the slewing motors 6, a multi-way valve 7 is fixedly arranged on one side of the upper surface of the machine base 3, and the operation of a plurality of hydraulic cylinders 49 and swinging cylinders 53 is controlled through the multi-way valve 7.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. A three-joint stationary mechanical arm, comprising:
A swivel base (1);
the bottom end of the slewing bearing (2) is fixedly connected with the upper surface of the slewing base (1);
The lower surface of the machine base (3) is fixedly connected with the upper surface of the slewing bearing (2);
the method is characterized in that: the rotating mechanism (4) is arranged on the upper surface of the stand (3);
and the swinging mechanism (5) is arranged at one end of the rotating mechanism (4).
2. A three-joint stationary mechanical arm according to claim 1, characterized in that the rotating mechanism (4) comprises:
the first mechanical arm (41) is arranged on the upper surface of the base (3);
One end of the first connecting shaft (42) is fixedly connected with the top of the inner wall of the machine base (3), and the first connecting shaft (42) is rotatably and alternately connected with one end of the first mechanical arm (41);
the second mechanical arm (43) is arranged at the top of the first mechanical arm (41);
And one end of the second connecting shaft (44) is fixedly connected with the top of the first mechanical arm (41), and the second connecting shaft (44) is rotatably and alternately connected with the bottom of the second mechanical arm (43).
3. A three-joint stationary mechanical arm according to claim 2, characterized in that the rotating mechanism (4) comprises:
A third mechanical arm (45), wherein the third mechanical arm (45) is arranged at one end of the second mechanical arm (43);
The third connecting shaft (46), one end of the third connecting shaft (46) is fixedly connected with one end of the second mechanical arm (43), and the third connecting shaft (46) is rotatably and alternately connected with one end of the third mechanical arm (45);
a scraper (47), wherein the scraper (47) is arranged below the third mechanical arm (45);
And the fourth connecting shaft (48), one end of the fourth connecting shaft (48) is fixedly connected with one end of the third mechanical arm (45), and the fourth connecting shaft (48) is connected with the top of the scraping plate (47) in a rotating and penetrating way.
4. A three-joint stationary mechanical arm according to claim 3, characterized in that the rotating mechanism (4) comprises:
The hydraulic cylinders (49), the plurality of the hydraulic cylinders (49) are arranged among the first mechanical arm (41), the second mechanical arm (43) and the third mechanical arm (45) and are used for driving the first mechanical arm (41), the second mechanical arm (43) and the third mechanical arm (45) to rotate respectively;
And the plurality of mounting shafts (410), and the plurality of mounting shafts (410) are connected with the two ends of the hydraulic oil cylinder (49) in a rotary penetrating way.
5. A three-joint stationary mechanical arm according to claim 4, characterized in that the swinging mechanism (5) comprises:
The swing arm (51) is arranged above the scraping plate (47) and is used for driving the scraping plate (47) to swing;
The first fixing shaft (52) is fixedly connected with the bottom of the swing arm (51), and the first fixing shaft (52) is rotatably and alternately connected with one side of the top of the scraper (47).
6. A three-joint stationary mechanical arm according to claim 5, characterized in that the swinging mechanism (5) comprises:
The swing oil cylinder (53) is arranged on the third mechanical arm (45) and is used for driving the swing arm (51) to move;
A support arm (54), wherein the support arm (54) is arranged between the swing arm (51) and the swing cylinder (53) and is used for supporting the swing arm (51);
And one end of each fixed shaft II (55) is fixedly connected with two ends of the supporting arm (54), and one fixed shaft II (55) is rotatably and alternately connected with one end of the swinging arm (51) and one end of the swinging oil cylinder (53).
7. The three-section fixed mechanical arm according to claim 1, wherein the upper surface of the slewing bearing (2) is fixedly connected with a plurality of slewing motors (6), and one side of the upper surface of the stand (3) is fixedly provided with a plurality of multi-way valves (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323247224.6U CN221135886U (en) | 2023-11-29 | 2023-11-29 | Three-section fixed mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323247224.6U CN221135886U (en) | 2023-11-29 | 2023-11-29 | Three-section fixed mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221135886U true CN221135886U (en) | 2024-06-14 |
Family
ID=91417115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323247224.6U Active CN221135886U (en) | 2023-11-29 | 2023-11-29 | Three-section fixed mechanical arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221135886U (en) |
-
2023
- 2023-11-29 CN CN202323247224.6U patent/CN221135886U/en active Active
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