CN211621746U - Vertical milling and excavating machine cutting head fixing structure - Google Patents
Vertical milling and excavating machine cutting head fixing structure Download PDFInfo
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- CN211621746U CN211621746U CN201922150984.2U CN201922150984U CN211621746U CN 211621746 U CN211621746 U CN 211621746U CN 201922150984 U CN201922150984 U CN 201922150984U CN 211621746 U CN211621746 U CN 211621746U
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Abstract
The utility model discloses a vertical milling digs quick-witted cutterhead fixed knot and constructs belongs to and mills machine technical field, and this fixed knot constructs including vertically milling digs head, hydraulic motor, longitudinal tie spare and transverse connection spare. The utility model provides a fixed knot constructs can realize quick assembly disassembly on the one hand, and on the other hand can reliably connect, only using under the condition of screw and bolt, realizes the safe construction of cutterhead.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be a vertical machine cutterhead fixed knot that digs that mills constructs.
Background
The milling and excavating machine is a hydraulic attachment matched with an excavator and can be widely applied to the construction fields of tunnels, ditches, engineering construction, rock excavation and the like. Have high efficiency, accurate, advantage such as with low costs, it is different according to milling and digging first arrangement, divide into two kinds of basic types: a transverse milling and excavating machine and a longitudinal milling and excavating machine.
In the prior art, the milling and excavating head and the hydraulic motor are usually connected through splines, and the connection scheme is easy to break under the condition of large load to cause safety accidents. The technical scheme that partial machines are in threaded connection and matched with the buckles is adopted, although the safety is improved, the complexity of replacement and disassembly of the milling and digging head is increased, and how to quickly, conveniently and reliably disassemble and assemble the milling and digging head becomes the technical problem in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel vertical milling and digging machine cutterhead fixed knot construct, this fixed knot construct can realize quick assembly disassembly on the one hand, and on the other hand can reliably connect, under the condition that only uses screw and bolt, realizes the safe construction of cutterhead.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a vertical milling and digging machine cutterhead fixed knot constructs includes that vertical milling digs head, hydraulic motor, longitudinal tie spare and transverse connection spare, wherein: the longitudinal milling and digging head consists of a milling and digging drum and milling and digging teeth uniformly arranged on the milling and digging drum, a transverse mounting hole is formed in the side wall of the milling and digging drum in a penetrating mode, a longitudinal mounting hole is formed in the top of the milling and digging drum, and a connecting cavity is formed in the milling and digging drum; the hydraulic motor is fixed through the base, a rotating shaft of the hydraulic motor is provided with a connecting shaft, the shape of the connecting shaft is consistent with that of the connecting cavity, the top of the connecting shaft is provided with a threaded hole, and the side surface of the connecting shaft is provided with a through hole in a penetrating manner; the longitudinal connecting piece penetrates through the longitudinal mounting hole and is mounted in the threaded hole so as to realize one-time fixation of the longitudinal milling and excavating head and the rotating shaft; the transverse connecting piece sequentially penetrates through the transverse mounting hole and the through hole so as to realize secondary fixation of the longitudinal milling and digging head and the rotating shaft.
Preferably, the connecting shaft is a square shaft, the connecting cavity is a square cavity, the longitudinal mounting hole and the threaded hole are coaxially arranged, the transverse mounting hole and the through hole are coaxially arranged, the longitudinal connecting piece is a screw or a screw, and the transverse connecting piece is a bolt or a screw rod.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. this fixed knot constructs has set up the connecting axle in the pivot, is milling the inside connection chamber that is provided with of milling the drum, realizes milling the quick location of milling drum and pivot through connecting axle and connection chamber.
2. The fixing structure uses the connecting pieces to fix the connecting shaft and the connecting cavity for the second time, the fixing pieces adopt mutually perpendicular arrangement schemes, and the longitudinal milling and digging head and the hydraulic motor are reliably and quickly connected through the detachable longitudinal and transverse connecting pieces.
Drawings
Fig. 1 is a schematic external structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural view of a milling drum in the present invention;
fig. 4 is a schematic top structure diagram of the present invention.
In the figure: 1-longitudinal milling and digging head, 101-milling and digging drum, 102-milling and digging tooth, 1011-transverse mounting hole, 1012-longitudinal mounting hole, 1013-connecting cavity, 2-hydraulic motor, 201-rotating shaft, 202-connecting shaft, 203-base, 2021-threaded hole, 2022-through hole, 3-longitudinal connecting piece and 4-transverse connecting piece.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a cutting head fixing structure of a vertical milling and excavating machine comprises a longitudinal milling and excavating head 1, a hydraulic motor 2, a longitudinal connecting member 3 and a transverse connecting member 4, in fig. 1, the milling and excavating head 1 and the hydraulic motor 2 are detachably connected, and the longitudinal connecting member 3 and the transverse connecting member 4 are used for fixing the milling and excavating head 1 and the hydraulic motor 2 from two directions perpendicular to each other.
In fig. 1, the longitudinal milling head 1 is composed of a milling drum 101 and milling teeth 102 uniformly mounted on the milling drum 101, in this embodiment, the milling teeth 102 have 24 teeth, and 6 teeth on the end surface, and the cutting pick needs to be carefully avoided from screw counter bores during welding.
As shown in fig. 2 and 3, a lateral mounting hole 1011 is formed through a side wall of the milling drum 101, a longitudinal mounting hole 1012 is formed at the top of the milling drum 101, a connection cavity 1013 is formed inside the milling drum 101, the hydraulic motor 2 is fixed by the base 203, the rotating shaft 201 of the hydraulic motor 2 is provided with the connecting shaft 202, the connecting shaft 202 and the connection cavity 1013 have the same shape, the top of the connecting shaft 202 is provided with a threaded hole 2021, and a through hole 2022 is formed through a side surface of the connecting shaft 202. In this embodiment, the connecting shaft 202 is a square shaft, and the connecting cavity 1013 is a square cavity.
During actual installation and fixation, the longitudinal connecting piece 3 passes through the connecting longitudinal mounting hole 1012 and is installed in the threaded hole 2021 to realize one-time fixation of the milling and excavating head 1 and the rotating shaft 201; the transverse connecting piece 4 sequentially penetrates through the transverse mounting hole 1011 and the through hole 2022 to realize the secondary fixation of the milling and excavating head 1 and the rotating shaft 201. Specifically, the longitudinal mounting hole 1012 and the threaded hole 2021 are coaxially disposed, and the transverse mounting hole 1011 and the through hole 2022 are coaxially disposed. In this embodiment, the longitudinal connecting members 3 are screws or bolts, and the transverse connecting members 4 are bolts or screws. It should be further explained that, the fixing structure is provided with the connecting shaft on the rotating shaft, the connecting cavity is arranged inside the milling drum, and the milling drum and the rotating shaft can be quickly positioned through the connecting shaft and the connecting cavity. The fixing structure uses the connecting pieces to fix the connecting shaft and the connecting cavity for the second time, the fixing pieces adopt mutually perpendicular arrangement schemes, and the longitudinal milling and digging head and the hydraulic motor are reliably and quickly connected through the detachable longitudinal and transverse connecting pieces.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a vertical milling and digging machine cutterhead fixed knot constructs which characterized in that, includes that vertical milling digs head (1), hydraulic motor (2), longitudinal tie spare (3) and transverse connection spare (4), wherein:
the longitudinal milling and digging head (1) consists of a milling and digging drum (101) and milling and digging teeth (102) uniformly arranged on the milling and digging drum (101), a transverse mounting hole (1011) is formed in the side wall of the milling and digging drum (101) in a penetrating mode, a longitudinal mounting hole (1012) is formed in the top of the milling and digging drum (101), and a connecting cavity (1013) is formed in the milling and digging drum (101);
the hydraulic motor (2) is fixed through a base (203), a rotating shaft (201) of the hydraulic motor (2) is provided with a connecting shaft (202), the connecting shaft (202) is consistent with the connecting cavity (1013) in shape, the top of the connecting shaft (202) is provided with a threaded hole (2021), and the side surface of the connecting shaft (202) is provided with a through hole (2022) in a penetrating manner;
the longitudinal connecting piece (3) penetrates through the longitudinal mounting hole (1012) and is mounted in the threaded hole (2021) to realize one-time fixation of the longitudinal milling and excavating head (1) and the rotating shaft (201);
the transverse connecting piece (4) sequentially penetrates through the transverse mounting hole (1011) and the through hole (2022) to achieve secondary fixing of the longitudinal milling and digging head (1) and the rotating shaft (201).
2. The vertical milling and excavating machine cutter head fixing structure according to claim 1, characterized in that the connecting shaft (202) is a square shaft and the connecting cavity (1013) is a square cavity.
3. The vertical milling and excavating machine cutter head fixing structure according to claim 1, characterized in that the longitudinal mounting hole (1012) and the threaded hole (2021) are coaxially arranged.
4. The vertical milling and excavating machine cutter head fixing structure according to claim 1, characterized in that the transverse mounting hole (1011) and the through hole (2022) are coaxially arranged.
5. The vertical milling and excavating machine cutter head fixing structure according to claim 1, characterized in that the longitudinal connecting members (3) are screws or bolts.
6. The vertical milling and excavating machine cutter head fixing structure according to claim 1, characterized in that the transverse connecting members (4) are bolts or screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150984.2U CN211621746U (en) | 2019-12-04 | 2019-12-04 | Vertical milling and excavating machine cutting head fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150984.2U CN211621746U (en) | 2019-12-04 | 2019-12-04 | Vertical milling and excavating machine cutting head fixing structure |
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| Publication Number | Publication Date |
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| CN211621746U true CN211621746U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922150984.2U Active CN211621746U (en) | 2019-12-04 | 2019-12-04 | Vertical milling and excavating machine cutting head fixing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116180832A (en) * | 2023-04-19 | 2023-05-30 | 中铁城建集团第一工程有限公司 | Milling hole wall machine head of milling and digging machine |
-
2019
- 2019-12-04 CN CN201922150984.2U patent/CN211621746U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116180832A (en) * | 2023-04-19 | 2023-05-30 | 中铁城建集团第一工程有限公司 | Milling hole wall machine head of milling and digging machine |
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