CN211200510U - Bucket rod rocker arm mechanism of excavator - Google Patents
Bucket rod rocker arm mechanism of excavator Download PDFInfo
- Publication number
- CN211200510U CN211200510U CN201922019153.1U CN201922019153U CN211200510U CN 211200510 U CN211200510 U CN 211200510U CN 201922019153 U CN201922019153 U CN 201922019153U CN 211200510 U CN211200510 U CN 211200510U
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- Prior art keywords
- rod
- bucket
- hydraulic
- rotatably connected
- rocker
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- Expired - Fee Related
Links
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- -1 silt Substances 0.000 description 1
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Abstract
The utility model discloses a bucket rod rocker mechanism of excavator belongs to excavator technical field. A bucket rod rocker arm mechanism of an excavator comprises a driving rod and a bucket, wherein the bucket is rotatably connected to the driving rod through a fifth rotating shaft, the driving rod is connected with a first hinged seat and integrally formed with the driving rod, a hydraulic cylinder is rotatably connected in the driving rod through a sixth rotating shaft, a hydraulic rod is slidably connected in the hydraulic cylinder, one end, far away from the hydraulic cylinder, of the hydraulic rod is rotatably connected with a connecting rod, the connecting rod is rotatably connected to the first hinged seat through a second rotating shaft, a rocker is rotatably connected to the bucket, and one end, far away from the hydraulic rod, of the connecting rod is rotatably connected with the rocker through a third rotating shaft; the utility model discloses, change the drive structure of scraper bowl through introducing lever principle, when promoting the scraper bowl digging force, protected the pneumatic cylinder again.
Description
Technical Field
The utility model relates to an excavator technical field especially relates to a dipper rocking arm mechanism of excavator.
Background
The materials excavated by the excavator mainly comprise soil, coal, silt, soil after pre-loosening and rock; in view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator becomes one of the most important construction machines in construction; with the forward development of society, people have higher and higher technical requirements on the excavator, and particularly, the bucket of the excavator is required to have higher and higher excavating force.
In the prior art, the power for driving the bucket to dig is mostly a double-rocker mechanism consisting of four rods connected by a hinge, the bucket is made to swing by directly pushing and pulling a connecting frame rod through a hydraulic cylinder so as to realize digging operation, the structure has the defect that the power provided by the hydraulic cylinder is the digging force of the bucket, if the digging force is to be improved, the driving energy of the hydraulic cylinder can only be increased or a high-power hydraulic cylinder is used, so that a great expense is paid to both manufacturers and drivers, and the requirements for cost reduction and energy conservation cannot be met; therefore, there is a need for a stick rocker mechanism that does not change the kinetic energy and type of hydraulic cylinder to lift the digging force of an excavator bucket.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a bucket rod rocker mechanism of an excavator.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a dipper rocking arm mechanism of excavator, includes actuating lever and scraper bowl, the scraper bowl rotates to be connected on the actuating lever, be connected with first articulated seat on the actuating lever and be integrated into one piece with the actuating lever, rotate through the sixth pivot in the actuating lever and be connected with the pneumatic cylinder, sliding connection has the hydraulic stem in the pneumatic cylinder, the one end that the pneumatic cylinder was kept away from to the hydraulic stem rotates and is connected with the connecting rod, just the connecting rod rotates through the second pivot and connects on first articulated seat, it is connected with the rocker to rotate on the scraper bowl, the one end that the hydraulic stem was kept away from to the connecting rod rotates with the rocker through the.
Preferably, a groove is formed in the driving rod, and the hydraulic cylinder is rotatably connected in the groove.
Preferably, the bucket is connected with the ribbed plate and is integrated with the bucket, and the ribbed plate is rotationally connected to the driving rod through a fifth rotating shaft.
Preferably, the rocker is rotatably connected to the rib plate through a fourth rotating shaft.
Preferably, the one end that the pneumatic cylinder was kept away from to the hydraulic stem is connected with the articulated seat of second and is integrated into one piece with the hydraulic stem, the connecting rod rotates through first pivot to be connected on the articulated seat of second.
Preferably, the rocker is in the shape of a circular arc.
Compared with the prior art, the utility model provides a dipper rocking arm mechanism of excavator possesses following beneficial effect:
1. according to the bucket rod rocker arm mechanism of the excavator, the driving rod and the bucket are sequentially arranged on the driving arm of the excavator, hydraulic driving oil is introduced into the hydraulic cylinder, when the excavating operation is started, the hydraulic rod is recovered, and the bucket excavates downwards; therefore, the force applied at the force application point, namely the second hinged seat, is smaller than the force applied at the force application point, namely the third rotating shaft, so that the same force applied at the hydraulic cylinder has larger excavating force than the same type of excavator bucket, the energy of the excavator is further saved, one end of the connecting rod, far away from the second hinged seat, can push the rocker to move, so that the bucket rotates around the fifth rotating shaft and excavates downwards, furthermore, the hydraulic cylinder is rotatably connected inside the groove, so that the hydraulic cylinder and the hydraulic rod can be protected during outdoor operation, the large object is prevented from being impacted and damaged, in the process of contraction of the hydraulic rod, as the connecting rod swings in an arc shape, in order to overcome the difficulty, the hydraulic cylinder rotates around the sixth rotating shaft, when the connecting rod swings, the hydraulic cylinder also swings up and down inside the groove, so that the swinging amplitude of the connecting rod is increased, and the bucket has larger excavating radian, when the materials in the bucket need to be put down, the hydraulic rod only needs to be pushed out, the working principle of the hydraulic rod is opposite to that of the bucket, and the details are not repeated.
Drawings
Fig. 1 is a top view of a bucket arm rocker mechanism of an excavator according to the present invention;
fig. 2 is a schematic structural diagram of a portion a-a in a bucket arm swing arm mechanism diagram 1 of an excavator according to the present invention;
fig. 3 is a first schematic structural diagram of a bucket arm rocker mechanism of an excavator according to the present invention;
fig. 4 is a schematic structural diagram of a bucket arm rocker mechanism of an excavator according to the present invention.
In the figure: 1. a drive rod; 101. a first hinge mount; 1011. a second rotating shaft; 1012. a sixth rotating shaft; 102. a connecting rod; 103. a groove; 2. a bucket; 201. a rib plate; 2011. a fourth rotating shaft; 2012. a fifth rotating shaft; 202. a rocker; 2021. a third rotating shaft; 3. a hydraulic cylinder; 301. a hydraulic lever; 302. a second hinge mount; 3021. a first rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-4, a dipper handle rocker arm mechanism of excavator, including actuating lever 1 and scraper bowl 2, scraper bowl 2 rotates to be connected on actuating lever 1, be connected with first articulated seat 101 on the actuating lever 1 and be integrated into one piece with actuating lever 1, it is connected with pneumatic cylinder 3 to rotate through sixth pivot 1012 in the actuating lever 1, sliding connection has hydraulic stem 301 in the pneumatic cylinder 3, hydraulic stem 301 is kept away from the one end rotation of pneumatic cylinder 3 and is connected with connecting rod 102, and connecting rod 102 rotates through second pivot 1011 to be connected on first articulated seat 101, it is connected with rocker 202 to rotate on the scraper bowl 2, the one end that hydraulic stem 301 was kept away from to connecting rod 102 rotates through third pivot 2021 and links to each other with rocker 202.
A groove 103 is formed in the driving rod 1, and the hydraulic cylinder 3 is rotatably connected in the groove 103.
The bucket 2 is connected with a rib plate 201 and integrally formed with the bucket 2, and the rib plate 201 is rotatably connected to the driving rod 1 through a fifth rotating shaft 2012.
The rocker 202 is rotatably connected to the rib 201 via a fourth rotating shaft 2011.
One end of the hydraulic rod 301 far away from the hydraulic cylinder 3 is connected with a second hinged seat 302 and integrally formed with the hydraulic rod 301, and the connecting rod 102 is rotatably connected to the second hinged seat 302 through a first rotating shaft 3021.
The rocker 202 is shaped as a circular arc.
The working principle is as follows: the utility model discloses in, install actuating lever 1 and scraper bowl 2 on the actuating arm of excavator in proper order, let in hydraulic drive oil with pneumatic cylinder 3, when beginning to excavate the operation, with hydraulic stem 301 to retrieving, scraper bowl 2 excavates downwards, it is specific, hydraulic stem 301 is retrieved to the pneumatic cylinder 3 is inside, drive connecting rod 102 motion, here, two sections of connecting rod 102 are subdivided into, the length of first articulated seat 101 to second articulated seat 302 is greater than the length of first articulated seat 101 to rocker 202, thereby constitute the lever as the fulcrum through first articulated seat 101, according to lever principle, the power arm is longer than the resistance arm, can be laborsaving; therefore, the force applied at the point of application, that is, the second articulated seat 302, is smaller than the force applied at the point of application, that is, the third rotating shaft 2021, so that the same force applied at the hydraulic cylinder 3 has a larger excavating force than the same type of excavator bucket 2, further saving the energy of the excavator, the rocker 202 is pushed to move at the end of the connecting rod 102 away from the second articulated seat 302, so that the bucket 2 rotates around the fifth rotating shaft 2012 and excavates downwards, further, the hydraulic cylinder 3 is rotatably connected inside the groove 103, so that the hydraulic cylinder 3 and the hydraulic rod 301 can be protected from being damaged by the impact of a large object during the outdoor work, and during the contraction of the hydraulic rod 301, because the connecting rod 102 swings in an arc shape, in order to overcome the difficulty, the hydraulic cylinder 3 rotates around the sixth rotating shaft 1012, when the connecting rod 102 swings, the hydraulic cylinder 3 also swings upwards and downwards inside the groove 103, therefore, the swing amplitude of the connecting rod 102 is increased, the bucket 2 has a larger digging radian, when the materials in the bucket 2 need to be put down, the hydraulic rod 301 only needs to be pushed out, the working principle of the hydraulic rod is opposite to that of material shoveling, and the description is omitted.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A bucket rod rocker arm mechanism of an excavator comprises a driving rod (1) and a bucket (2), wherein the bucket (2) is rotationally connected to the driving rod (1), it is characterized in that the driving rod (1) is connected with a first hinging seat (101) and is integrally formed with the driving rod (1), a hydraulic cylinder (3) is rotatably connected in the driving rod (1) through a sixth rotating shaft (1012), a hydraulic rod (301) is connected in the hydraulic cylinder (3) in a sliding way, one end of the hydraulic rod (301) far away from the hydraulic cylinder (3) is connected with a connecting rod (102) in a rotating way, and the connecting rod (102) is rotatably connected to the first hinge base (101) through a second rotating shaft (1011), the bucket (2) is rotatably connected with a rocker (202), and one end, far away from the hydraulic rod (301), of the connecting rod (102) is rotatably connected with the rocker (202) through a third rotating shaft (2021).
2. The arm mechanism of claim 1, wherein the drive rod (1) has a recess (103) formed therein, and the hydraulic cylinder (3) is rotatably connected to the recess (103).
3. The arm mechanism of claim 1, wherein the bucket (2) is connected with a rib (201) and is integrally formed with the bucket (2), and the rib (201) is rotatably connected to the driving rod (1) through a fifth rotating shaft (2012).
4. The arm mechanism of claim 3, wherein the rocker (202) is pivotally connected to the rib (201) via a fourth pivot (2011).
5. The arm mechanism as claimed in claim 1, wherein the end of the hydraulic lever (301) far away from the hydraulic cylinder (3) is connected with a second hinged seat (302) and is integrally formed with the hydraulic lever (301), and the connecting rod (102) is rotatably connected with the second hinged seat (302) through a first rotating shaft (3021).
6. The arm mechanism of claim 1, wherein the rocker (202) is shaped as a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922019153.1U CN211200510U (en) | 2019-11-21 | 2019-11-21 | Bucket rod rocker arm mechanism of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922019153.1U CN211200510U (en) | 2019-11-21 | 2019-11-21 | Bucket rod rocker arm mechanism of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211200510U true CN211200510U (en) | 2020-08-07 |
Family
ID=71862821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922019153.1U Expired - Fee Related CN211200510U (en) | 2019-11-21 | 2019-11-21 | Bucket rod rocker arm mechanism of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211200510U (en) |
-
2019
- 2019-11-21 CN CN201922019153.1U patent/CN211200510U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |