CN212774302U - Tunnel is with shovel loader milling and digging device - Google Patents
Tunnel is with shovel loader milling and digging device Download PDFInfo
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- CN212774302U CN212774302U CN202021794240.0U CN202021794240U CN212774302U CN 212774302 U CN212774302 U CN 212774302U CN 202021794240 U CN202021794240 U CN 202021794240U CN 212774302 U CN212774302 U CN 212774302U
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- 238000003801 milling Methods 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 5
- 238000005422 blasting Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a tunnel is with shovel loader milling and digging device. The milling and digging device comprises a milling and digging head, a telescopic arm and a quick-change mounting seat; one end of the telescopic arm is connected with the milling and digging head, and the other end of the telescopic arm is connected with the quick-change mounting seat; the quick-change mounting seat is detachably connected with a quick-change connector on the shovel loader. The utility model provides a tunnel is with shovel loader milling and digging device installs on shovel loader's quick-change connector through the quick change mount pad, makes shovel loader realize milling and digging function; the telescopic arm of the milling and digging device solves the problems that a shovel loader is short in working arm and cannot process a tunnel contour surface, and especially the top of a tunnel is underdug. The utility model discloses simple structure has realized the continuity of operation of shovel installation, has reduced construction cost, has improved the range of application of shovel installation.
Description
Technical Field
The utility model relates to a tunnel construction technical field, concretely relates to shovel loader mills and digs device for tunnel.
Background
In the current drilling and blasting method construction, under-excavation or over-excavation generally exists after tunnel blasting is finished, and the method of adding a milling and excavating head in front of an excavator is widely adopted to process the under-excavation of the tunnel; because the working arm of the shovel loader is short, the shovel loader only loads slag and cannot handle the tunnel profile underexcavation. In particular, in some sections which are not suitable for blasting construction, a milling and digging machine is adopted for milling and digging, a shovel loader is required to be arranged for loading slag, the construction cost is high, and the work cannot be continuously carried out.
In summary, there is an urgent need for a tunnel shovel loader milling and digging device to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel is with shovel installation mills and digs device increases the function that shovel installation handled the owed excavation, solves current shovel installation because of highly unable problem of handling tunnel profile owed excavation inadequately.
In order to achieve the purpose, the utility model provides a milling and digging device of a tunnel shovel loader, which comprises a milling and digging head, a telescopic arm and a quick change mounting seat; one end of the telescopic arm is connected with the milling and digging head, and the other end of the telescopic arm is connected with the quick-change mounting seat; the quick-change mounting seat is detachably connected with a quick-change connector on the shovel loader.
Furthermore, the telescopic arm comprises an inner arm, an outer arm sleeved on the inner arm and a driving piece driving the inner arm to stretch along the axis of the outer arm; the outer arm is connected to the quick-change mounting base through a bolt; the inner arm is connected with the milling and digging head.
Furthermore, the driving piece is an oil cylinder, a cylinder barrel of the oil cylinder is hinged to the outer arm, and a piston rod of the oil cylinder is hinged to the inner arm.
Furthermore, the oil cylinders are at least arranged in two groups, and each group of oil cylinders are arranged on the outer sides of the inner arm and the outer arm in parallel.
Furthermore, a hook and a groove are arranged on the quick-change mounting seat; the hook is arranged at the upper end of the quick-change mounting seat and the quick-change connector, and the groove is arranged at the lower end of the joint of the quick-change mounting seat and the quick-change connector.
Further, the hook is a trapezoidal hook.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model provides a tunnel is with shovel loader milling and digging device, overall structure is simple, has set up the quick change mount pad, installs on the quick change connector of shovel loader through the quick change mount pad, makes shovel loader realize milling and digging the function; the continuous operation of the shovel loader is realized, the construction cost is reduced, and the application range of the shovel loader is widened.
(2) The utility model provides a device is dug to shovel installation mills for tunnel is equipped with flexible arm, under the drive of hydro-cylinder, drives the axis that the inner boom is flexible along the outer arm, has increased the biggest of shovel installation and has milled the height, has solved shovel installation work arm weak point, can't handle tunnel profile face, especially the problem of tunnel top undermining.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of a milling and digging device of a tunnel shovel loader of the present invention;
fig. 2 is a schematic structural view of the quick-change mounting base of the present invention;
FIG. 3 is a schematic milling and digging view of a milling and digging device of the shovel loader according to the embodiment of the present invention;
the milling and digging device comprises a milling and digging head 1, a telescopic arm 2, a quick-change connecting plate 3, an inner arm 201, an inner arm 202, an oil cylinder 203, an outer arm 301, a groove 302 and a hook.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1 to 3, a tunnel shovel loader milling and digging device comprises a milling and digging head 1, a telescopic arm 2 and a quick change mounting base 3; one end of the telescopic arm 2 is connected with the milling and digging head 1, and the other end of the telescopic arm 2 is connected with the quick-change mounting base 3; the quick-change mounting seat 3 is detachably connected with a quick-change connector on the shovel loader. The shovel loader is changed into a milling and digging device through the quick-change mounting seat and the quick-change connector, tunnel underdigging is processed, and the utilization rate of the shovel loader is improved.
The telescopic arm 2 comprises an inner arm 201, an outer arm 203 sleeved on the inner arm 201, and a driving piece for driving the inner arm 201 to stretch along the axis of the outer arm 203; the outer arm 203 is connected to the quick-change mounting base 3 through a bolt; the inner arm 201 is connected to the milling head 1. Through the telescopic motion of inner boom and outer boom, can increase the maximum height of digging of milling of shovel loader.
In this embodiment, the driving member is an oil cylinder 202, a cylinder barrel of the oil cylinder 202 is hinged to the outer arm 203, and a piston rod of the oil cylinder 202 is hinged to the inner arm 201.
The two groups of oil cylinders 202 are arranged, and the two groups of oil cylinders 202 are parallel to each other and symmetrically arranged on two sides of the inner arm 201 and the outer arm 203.
As shown in fig. 2, a hook 302 and a groove 301 are arranged on the quick-change mounting base 3; the hook 302 is arranged at the upper end of the quick-change mounting seat 3 and the quick-change connector, and the groove 301 is arranged at the lower end of the joint of the quick-change mounting seat 3 and the quick-change connector. The hook 302 is a trapezoidal hook. The shape phase-match of couple 302 and recess 301 and quick-change coupler can prevent to mill and dig the device and drop from quick-change coupler.
As shown in fig. 3, the utility model discloses a mill and dig the device and install an embodiment of handling the tunnel underdigging at the shovel loader, realize milling through shovel loader scraper bowl hydro-cylinder and the device hydro-cylinder of milling and dig the head and mill the tunnel underdigging part, easy operation.
The utility model provides a tunnel is with shovel loader milling and digging device installs on shovel loader's quick-change connector through the quick change mount pad, makes shovel loader realize milling and digging function; the telescopic arm of the milling and digging device solves the problems that a shovel loader is short in working arm and cannot process a tunnel contour surface, and especially the top of a tunnel is underdug. The utility model discloses simple structure has realized the continuity of operation of shovel installation, has reduced construction cost, has improved the range of application of shovel installation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A tunnel shovel loader milling and digging device is characterized by comprising a milling and digging head (1), a telescopic arm (2) and a quick-change mounting seat (3); one end of the telescopic arm (2) is connected with the milling and digging head (1), and the other end of the telescopic arm (2) is connected with the quick-change mounting seat (3); the quick-change mounting seat (3) is detachably connected with a quick-change connector on the shovel loader.
2. The milling and excavating device of the shovel loader for the tunnel according to claim 1, characterized in that the telescopic arm (2) comprises an inner arm (201), an outer arm (203) sleeved on the inner arm (201), and a driving part for driving the inner arm (201) to stretch and retract along the axis of the outer arm (203); the outer arm (203) is connected to the quick-change mounting base (3) through a bolt; the inner arm (201) is connected with the milling and digging head (1).
3. The milling and excavating device of a tunnel shovel loader according to claim 2, characterized in that the driving member is a cylinder (202), the cylinder bore of the cylinder (202) is hinged to the outer arm (203), and the piston rod of the cylinder (202) is hinged to the inner arm (201).
4. The milling device of a tunnel shovel according to claim 3, characterized in that the cylinders (202) are arranged in at least two groups, each group of cylinders (202) being arranged in parallel outside the inner arm (201) and the outer arm (203).
5. The milling and digging device of the shovel loader for the tunnel according to any one of claims 1 to 4, characterized in that a hook (302) and a groove (301) are arranged on the quick-change mounting seat (3); the hook (302) is arranged at the upper end of the quick-change mounting seat (3) and the quick-change connector, and the groove (301) is arranged at the lower end of the joint of the quick-change mounting seat (3) and the quick-change connector.
6. The milling device of a tunnel shovel loader as claimed in claim 5, characterized in that the hooks (302) are trapezoidal hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794240.0U CN212774302U (en) | 2020-08-25 | 2020-08-25 | Tunnel is with shovel loader milling and digging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794240.0U CN212774302U (en) | 2020-08-25 | 2020-08-25 | Tunnel is with shovel loader milling and digging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212774302U true CN212774302U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021794240.0U Active CN212774302U (en) | 2020-08-25 | 2020-08-25 | Tunnel is with shovel loader milling and digging device |
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| Country | Link |
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| CN (1) | CN212774302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932666A (en) * | 2021-09-02 | 2022-01-14 | 中铁十八局集团有限公司 | Mountain tunnel accurate construction method and structure |
-
2020
- 2020-08-25 CN CN202021794240.0U patent/CN212774302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932666A (en) * | 2021-09-02 | 2022-01-14 | 中铁十八局集团有限公司 | Mountain tunnel accurate construction method and structure |
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