CN219261151U - Milling and digging machine of excavator - Google Patents
Milling and digging machine of excavator Download PDFInfo
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- CN219261151U CN219261151U CN202320040963.9U CN202320040963U CN219261151U CN 219261151 U CN219261151 U CN 219261151U CN 202320040963 U CN202320040963 U CN 202320040963U CN 219261151 U CN219261151 U CN 219261151U
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Abstract
The utility model discloses a milling and digging machine of an excavator, which is characterized in that a machine bin is fixed on a driving seat, a hydraulic driving part is arranged on the machine bin, a driven gear and a digging shovel rotary table are arranged at the front end of the hydraulic driving part, and the digging shovel rotary table is two symmetrically arranged left and right and is arranged with a driving shaft, so that the structure greatly increases the operation area; the digging shovel turntable is provided with a plurality of rows of digging knives, each row of digging knives at least comprises an outer expanding digging knife and an inner digging knife, and the outer expanding digging knives are radially arranged towards the outer side, so that the working surface of a single point can be effectively increased in a working state, and the working efficiency is improved; the outer expanding digging cutter and the inner digging cutter are both combined cutters and are in combined structure, and locking and fixing are realized through fixing bolts on the cutters. The excavator can be conveniently replaced, the excavator can be orderly replaced when damaged, and the situation that the whole excavator cannot be used due to local damage is avoided.
Description
Technical Field
The utility model belongs to the technical field of milling and excavating equipment, and particularly relates to a milling and excavating machine of an excavator.
Background
In engineering construction, a ground groove is often required to be machined on a hard ground, the current general mode is to excavate by adopting an excavator bucket, and the earth surface slotting is realized by adopting an excavating mode, and the operation mode has the following defects: the bucket is excavated in a shoveling mode, and the efficiency of the mode is low; furthermore, because the main design function of the excavator bucket is not that the excavator bucket is used for digging a groove on the hard ground, the excavator bucket cannot completely adapt to the use environment when the excavator bucket is special for digging the groove, and the excavator bucket is easy to damage. In recent years, shoveling equipment appears on the market, but the existing equipment still has defects, which are shown in 1. The whole structure of the existing shoveling equipment is complex, and the working end of the existing shoveling equipment is arranged on one side, so that the working area is small; 2. the digging knife on the digging shovel is fixed and cannot be replaced flexibly, and the digging knife cannot be replaced directly when the digging shovel is damaged in use; 3. the design angle of the digging knife on the digging shovel is unreasonable, and the digging shovel cannot be realized at the maximum angle and the maximum amplitude.
Aiming at the defects, as a person skilled in the art receives the feedback from the market at present, it is very necessary to design an excavator milling and digging machine which can realize the improvement of the existing digging shovel structure and overcome the technical problems to be solved by the person skilled in the art.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the milling and digging machine of the excavator, which is novel in structural design, and can effectively improve the stability of the operation of the digging shovel by improving the structure of the existing digging shovel, and meanwhile, can improve the structure of the digging shovel and improve the efficiency of the digging shovel to the maximum efficiency.
In order to achieve the technical purpose, the utility model adopts the following scheme:
the milling and digging machine of the excavator comprises a driving seat, wherein the driving seat is fixed on a machine cabin, a hydraulic driving part is arranged on the machine cabin, a driven gear and a digging shovel rotary table are arranged at the front end of the hydraulic driving part, and the digging shovel rotary table is formed by two digging shovel rotary tables which are symmetrically arranged left and right and are arranged with a driving shaft; the digging shovel rotating disc is provided with a plurality of rows of digging knives, each row of digging knives at least comprises an outer expanding digging knife and an inner digging knife which are arranged at the outermost side, and the outer expanding digging knives are arranged radially towards the outer side; the outer expanding digging cutter and the inner digging cutter are both combined cutters and are in combined structure, and locking and fixing are realized through fixing bolts on the cutters.
The external expansion excavating knife and the internal excavating knife have the same integral structure and comprise a cutter base, a knife cylinder is arranged on the upper portion of the cutter base, a knife head is inserted into the knife cylinder, a thread section is arranged at the tail end of the knife head, and locking and fixing are achieved through the thread section.
The front end of the tool bit is in a taper structure, the outer diameter of the tool bit is provided with a plurality of guide bulges, and the guide bulges are uniformly distributed on the outer diameter of the tool bit.
The machine cabin is provided with a driving seat fixing plate, and the driving seat fixing plate and the driving seat are connected and fixed into a whole.
The driving seat fixing plate and the cabin are provided with reinforcing plates, and the driving seat fixing plate and the cabin are fixed in a reinforcing way through the reinforcing plates.
The hydraulic driving part is in meshed linkage with the driven gear and the digging shovel turntable through gears.
The beneficial effects of the utility model are as follows: according to the utility model, the machine bin is fixed on the driving seat, the hydraulic driving part is arranged on the machine bin, the driven gear and the shovel rotary table are arranged at the front end of the hydraulic driving part, and the shovel rotary table is two symmetrically arranged left and right and is arranged with the driving shaft, so that the operation area is greatly increased; the digging shovel turntable is provided with a plurality of rows of digging knives, each row of digging knives at least comprises an outer expanding digging knife and an inner digging knife, and the outer expanding digging knives are radially arranged towards the outer side, so that the working surface of a single point can be effectively increased in a working state, and the working efficiency is improved; the outer expanding digging cutter and the inner digging cutter are both combined cutters and are in combined structure, and locking and fixing are realized through fixing bolts on the cutters. The excavator can be conveniently replaced, the excavator can be orderly replaced when damaged, and the situation that the whole excavator cannot be used due to local damage is avoided.
The milling and digging machine for the excavator is simple and novel in structural design, convenient to use, capable of increasing the working area in a unit area, improving the working efficiency and facilitating replacement of the digging tool bit, and is an ideal milling and digging machine for the excavator.
Drawings
FIG. 1 is a schematic diagram I of a three-dimensional structure of the utility model;
FIG. 2 is a schematic diagram II of a three-dimensional structure of the utility model;
FIG. 3 is an enlarged schematic view of the structure of the area A in FIG. 1;
FIG. 4 is a schematic side view of the present utility model;
in the accompanying drawings:
1. the device comprises a driving seat, 11, a hinge shaft, 2, a machine cabin, 21, a reinforcing plate, 22, reinforcing protrusions, 23, a driving seat fixing plate, 3, a hydraulic driving part, 31, a liquid supply pipeline, 4, a transition area, 41, a driven gear, 5, a digging shovel rotary table, 51, a rotary area, 6, an outward expansion digging knife, 61, an outer digging knife, 7, an inner middle digging knife, 8, an inner digging knife, 9, a digging knife, 91, a knife base, 92, a knife cylinder, 93, a thread section, 94, a knife head conical surface, 95, a knife head, 96, a diversion protrusion, 97 and a locking nut. 98. And a positioning surface.
Detailed Description
The utility model is as shown in the attached drawing, the milling and digging machine of the excavator comprises a driving seat 1, wherein a hinge shaft 11 is arranged on the driving seat 1, and the driving seat is fixedly connected with an external excavator through the hinge shaft 11; the driving seat 1 is fixed on the machine cabin 2, and for convenient fixing, the machine cabin 2 is provided with a driving seat fixing plate 23, and the driving seat fixing plate 23 and the driving seat are fixed into a whole through bolts;
the machine cabin 2 is provided with a hydraulic driving part 3, the front end of the hydraulic driving part 3 is provided with a transition area 4 and a shovel rotary table 5, and the shovel rotary tables 5 are two symmetrically arranged left and right and are arranged with a driving shaft; the excavator rotary table 5 is provided with a plurality of rows of excavating cutters 9, as shown in fig. 1 and 2, the plurality of rows of excavating cutters 9 comprise an outermost outward expansion excavating cutter 6 and an inner side excavating cutter 8, an inner side middle excavating cutter 7 is further arranged between the outward expansion excavating cutter 6 and the inner side excavating cutter 8, after the structure is arranged, the whole working area of the excavator rotary table 5 can be enlarged, and further, the outward expansion excavating cutter 6 is arranged towards the outer side in a radial manner, so that the axial increase of the working area of the excavator rotary table 5 can be effectively realized;
the outer expanding digging knife 6, the inner middle digging knife 7 and the inner digging knife 8 are all combined cutters, are combined structure, and are locked and fixed through fixing bolts on the cutters. The specific combination structure is described as follows: the whole structures of the external expansion digging cutter 6, the internal middle digging cutter 7 and the internal digging cutter 8 are the same and are formed by combining innumerable digging cutters 9, as shown in figure 3, the external expansion digging cutter comprises a cutter base, a cutter cylinder 92 is arranged at the upper part of the cutter base 91, a cutter head 95 with a revolving body structure is inserted in the cutter cylinder 92, a thread section 93 is arranged at the tail end of the cutter head 95, the thread locking and the fixing are realized through the thread section 93,
the front end of the tool bit 95 is in a taper structure, the outer diameter of the tool bit is a tool bit conical surface 94, guide protrusions 96 are arranged on the tool bit conical surface 94, and the guide protrusions 96 are a plurality of and are uniformly distributed on the outer diameter of the tool bit conical surface 94. The lower part of the cutter head conical surface 94 is provided with an annular positioning surface 98, and when the cutter head 95 is integrally inserted into the cutter barrel 92, the positioning is realized through the positioning surface 98; after the tool bit 95 is inserted and positioned, locking is realized by matching the locking nut 97 at the tail end with the thread section 93.
Further, a reinforcing plate 21 is arranged between the driving seat fixing plate 23 and the machine cabin 2, and reinforcing fixation of the driving seat fixing plate 23 and the machine cabin 2 is realized through the reinforcing plate 21.
In the utility model, the hydraulic driving part 3 is meshed with the digging shovel rotary table gear in the rotating area 51 through the driven gear 41, and the meshing driving of the digging shovel rotary table is realized through the cooperation of the driven gear 41 and the digging shovel rotary table gear.
Through the arrangement, the application effect of the utility model is summarized as follows: the front end of the hydraulic driving part is provided with the driven gear and the digging shovel rotary table 5, and the digging shovel rotary table is provided with two driving shafts which are symmetrically arranged left and right and are arranged with the same driving shafts, so that the structure greatly increases the operation area; the digging shovel turntable 5 is provided with a plurality of rows of digging knives, and each row of digging knives at least comprises an outermost outward expansion digging knife and an inner side digging knife, wherein the outward expansion digging knives are radially arranged towards the outer side, and in a working state, the working surface of a single point can be effectively increased, and the working efficiency is improved; the outer expanding digging cutter and the inner digging cutter are both arranged for the combined cutter structure, and locking and fixing are realized through fixing bolts on the cutters; the structure is convenient to replace the digging knife, and the digging knife can be replaced orderly when damaged, so that the situation that the whole machine cannot be used due to local damage is avoided.
The milling and digging machine for the excavator is simple and novel in structural design, convenient to use, capable of increasing the working area in a unit area, improving the working efficiency and facilitating replacement of the digging tool bit, and is an ideal milling and digging machine for the excavator.
Claims (6)
1. An excavator mills and digs machine, its characterized in that: the hydraulic shovel comprises a driving seat, wherein the driving seat is fixed on a machine cabin, a hydraulic driving part is arranged on the machine cabin, a driven gear and a shovel rotary table are arranged at the front end of the hydraulic driving part, and the shovel rotary table is formed by two shovel rotary tables which are symmetrically arranged left and right and are arranged with a driving shaft; the digging shovel rotating disc is provided with a plurality of rows of digging knives, each row of digging knives at least comprises an outer expanding digging knife and an inner digging knife, and the outer expanding digging knives are radially arranged towards the outer side; the outer expanding digging cutter and the inner digging cutter are both arranged for the combined cutter structure, and locking and fixing are realized through fixing bolts on the cutters.
2. The excavator milling machine of claim 1 wherein: the external expansion excavating knife and the internal excavating knife have the same integral structure and comprise a cutter base, a knife cylinder is arranged on the upper portion of the cutter base, a knife head is inserted into the knife cylinder, and a thread section is arranged at the tail end of the knife head.
3. The excavator milling machine of claim 2 wherein: the front end of the tool bit is in a taper structure, the outer diameter of the tool bit is provided with a plurality of guide bulges, and the guide bulges are uniformly distributed on the outer diameter of the tool bit.
4. The excavator milling machine of claim 1 wherein: the machine cabin is provided with a driving seat fixing plate, and the driving seat fixing plate and the driving seat are connected and fixed into a whole.
5. The excavator milling machine of claim 4 wherein: the driving seat fixing plate and the cabin are provided with reinforcing plates, and the driving seat fixing plate and the cabin are fixed in a reinforcing way through the reinforcing plates.
6. The excavator milling machine of claim 1 wherein: the hydraulic driving part is in meshed linkage with the driven gear and the digging shovel turntable through gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320040963.9U CN219261151U (en) | 2023-01-08 | 2023-01-08 | Milling and digging machine of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320040963.9U CN219261151U (en) | 2023-01-08 | 2023-01-08 | Milling and digging machine of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219261151U true CN219261151U (en) | 2023-06-27 |
Family
ID=86874575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320040963.9U Active CN219261151U (en) | 2023-01-08 | 2023-01-08 | Milling and digging machine of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219261151U (en) |
-
2023
- 2023-01-08 CN CN202320040963.9U patent/CN219261151U/en active Active
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