CN220888771U - Excavation device is used in roadbed construction - Google Patents
Excavation device is used in roadbed construction Download PDFInfo
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- CN220888771U CN220888771U CN202321908737.4U CN202321908737U CN220888771U CN 220888771 U CN220888771 U CN 220888771U CN 202321908737 U CN202321908737 U CN 202321908737U CN 220888771 U CN220888771 U CN 220888771U
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims description 72
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000000245 forearm Anatomy 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 230000002787 reinforcement Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of roadbed excavation, in particular to an excavation device for roadbed construction, which comprises a machine body, wherein the machine body comprises a base and an operation platform, the operation platform is rotationally arranged on the base, a travelling mechanism is arranged below the base, a large arm support is arranged on the operation platform, a large arm is rotationally connected to the large arm support, a small arm is rotationally connected to the large arm, an excavation piece is rotationally connected to one end of the small arm far away from the large arm, the excavation piece is rotationally connected with the small arm through a connecting component, the connecting component comprises two connecting plates, and the two connecting plates are fixedly connected through a mounting block; the excavating piece comprises an excavating plate and a connecting part, the excavating plate is in a flat spade shape, and the middle part of the excavating plate is gradually reduced from the middle part to the bottom along the direction from the middle part to the bottom; the connecting portion comprises a connecting column, one end of the connecting column is connected with the digging plate, and the other end of the connecting column is detachably connected with the mounting block of the connecting assembly. The utility model has the effects of improving the excavation quality and saving the construction time.
Description
Technical Field
The utility model relates to the technical field of roadbed excavation, in particular to an excavation device for roadbed construction.
Background
At present, expressway or trunk road reconstruction and expansion projects are more and more, roadbed widening of reconstruction and expansion projects is common construction content, and in order to ensure the roadbed widening construction quality, steps are excavated in a conventional way, and then roadbed widening filling is carried out. The step excavation belongs to finer living things, and the conventional excavation method is to slowly excavate by using a small excavator.
Among the related art, dig the machine and include the organism, the organism includes base and operation platform, and operation platform rotates to set up on the base, and the below of base is provided with running gear in order to drive dig the machine and march, is provided with the big arm support on the operation platform, and the big arm that is articulated through the big arm pneumatic cylinder that the cooperation was used on the big arm support has the forearm through the forearm pneumatic cylinder that the cooperation was used articulatedly on the big arm, and the forearm is kept away from the one end of big arm and is connected with the bucket through coupling assembling rotation. The connecting assembly comprises two connecting plates, the two connecting plates are fixedly connected through a mounting block, and the bucket is fixedly connected with the mounting block through a connecting pin. The small arm drives the connecting assembly to rotate through the bucket hydraulic cylinder so as to drive the bucket to rotate, one end of the bucket hydraulic cylinder is hinged with the small arm, and the other end of the bucket hydraulic cylinder is hinged with the connecting plate. When the steps are excavated, each hydraulic cylinder is started, the large arm, the small arm and the bucket are driven to move in a matched mode, the bucket is inserted into soil at a certain angle, and then the bucket is driven to conduct excavation.
When the excavator is used for excavating steps, as the excavator bucket is in a hook shape, the line type of the steps excavated by the excavator bucket is not smooth and straight, the verticality is low, the excavation quality is reduced, and the back surface of the excavator bucket is required to be utilized for trowelling an excavation surface after each excavation action, so that the overall construction time is long.
Disclosure of utility model
In order to improve the excavation quality and save the construction time, the application provides an excavation device for roadbed construction.
The application provides an excavating device for roadbed construction, which adopts the following technical scheme:
The excavating device for roadbed construction comprises a machine body, wherein the machine body comprises a base and an operation platform, the operation platform is rotationally arranged on the base, a travelling mechanism is arranged below the base, a large arm support is arranged on the operation platform, a large arm is rotationally connected to the large arm support, a small arm is rotationally connected to the large arm support, an excavating piece is rotationally connected to one end, far away from the large arm, of the small arm, the excavating piece is rotationally connected with the small arm through a connecting component, the connecting component comprises two connecting plates, and the two connecting plates are fixedly connected through a mounting block; the excavating piece comprises an excavating plate and a connecting part, wherein the excavating plate is in a flat spade shape, and the middle part of the excavating plate is gradually reduced from the middle part to the bottom along the direction from the middle part to the bottom; the connecting portion comprises a connecting column, one end of the connecting column is connected with the digging plate, and the other end of the connecting column is detachably connected with the mounting block of the connecting assembly.
Further, the connecting portion further comprises a connecting bolt and a connecting nut, a connecting groove for the connecting column to penetrate is formed in the bottom surface of the mounting block, a first connecting hole is formed in the side wall of the mounting block, a second connecting hole communicated with the first connecting hole is formed in the peripheral side wall of the connecting column, the second connecting hole is located at the position where the connecting column penetrates into the connecting groove, and a nut and the connecting nut of the connecting bolt are respectively abutted to two radial sides of the connecting column.
Further, the connecting portion further comprises fixing plates, the fixing plates are located on two sides of the thickness direction of the digging plate, one end of each fixing plate is fixedly connected with the connecting column, and one face, close to each other, of each fixing plate is fixedly connected with two faces of the thickness direction of the digging plate.
Further, the digging plate and the fixing plate are forged steel plates, the connecting column is a steel rod, the thickness of the connecting part of the digging plate and the fixing plate is 3cm, the thickness of the bottom of the digging plate is 1cm, and the diameter of the connecting column is 10cm.
Further, a reinforcing component is arranged between the excavation piece and the mounting block, the reinforcing component comprises a first reinforcing plate, one end of the first reinforcing plate is connected with the mounting block, and the other end of the first reinforcing plate is connected with the excavation plate;
two first reinforcing plates are respectively arranged on two radial sides of the connecting column, the two first reinforcing plates on two radial sides of the connecting column are respectively positioned on two sides of the thickness direction of the digging plate, and the two first reinforcing plates on each radial side of the connecting column are all in butt joint with the digging plate.
Further, the reinforcement assembly still includes two second reinforcing plates, two the second reinforcing plates are located the both sides of digging plate thickness direction respectively, every the second reinforcing plate includes straight section and arc section, straight section is connected in the radial both sides of arc section, the circumference lateral wall butt of arc section and spliced pole, straight section and first reinforcing plate butt are provided with the auxiliary assembly who is used for connecting two second reinforcing plates fixed on the straight section, radial one side of spliced pole sets up a set of auxiliary assembly.
Further, the auxiliary assembly comprises an auxiliary bolt and an auxiliary nut, a first auxiliary hole for the auxiliary bolt to pass through is formed in the first reinforcing plate, a second auxiliary hole for the auxiliary bolt to pass through is formed in the second reinforcing plate, the auxiliary bolt passes through the corresponding first auxiliary hole and the corresponding second auxiliary hole and is in threaded connection with the auxiliary nut, and one side, close to each other, of the nut and the auxiliary nut of the auxiliary bolt is respectively abutted to one side, far away from each other, of the second reinforcing plate.
Further, two first reinforcing plates on each radial side of the connecting column are respectively provided with an abutting plate on one face close to each other, the sum of the thicknesses of the adjacent abutting plates is consistent with the thickness of the top of the digging plate, and the abutting plates are provided with yielding holes for the auxiliary bolts to pass through.
Further, two first reinforcing plates on each radial side of the connecting column are connected through positioning plates, a first dovetail block is arranged on the bottom surface of the mounting block and connected to two ends of the mounting block in the length direction, a first dovetail groove for the first dovetail block to penetrate is formed in the positioning plates, and the first dovetail groove penetrates through one end, close to each other, of each of the two positioning plates.
Further, two sides of the digging plate in the thickness direction of the digging plate are provided with second dovetail blocks, one side of each first reinforcing plate, which is close to the digging plate, is provided with a second dovetail groove for the second dovetail blocks to penetrate, and the second dovetail groove penetrates through one end, which is close to the digging plate, of the first reinforcing plate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. Before the digging plate is used, the original digging bucket on the digging machine is detached from the connecting plate, then the digging plate is mounted on the mounting block through the connecting column and the connecting bolt for use, the operation is simple and convenient, the construction of the changing process of the digging machine is not influenced, as the digging plate is in a flat shovel shape, the middle part of the digging plate is gradually reduced to the bottom along the direction from the middle part to the bottom, the steps after digging are linear, straight and smooth, the perpendicularity is high, the digging quality is improved, the digging surface is not required to be trowelled after each digging action, the construction time is greatly saved, and the construction efficiency is improved;
2. Because the digging plate and the fixing plate are made of forged steel plates, and the connecting column is made of steel bars, the integral hardness strength of the digging piece is high, the digging piece is not easy to damage, and the utilization rate is high;
3. The reinforcement assembly improves the stability of the excavation piece mounted on the mounting block, reduces the possibility of shaking of the excavation plate, and further improves the excavation effect and quality.
Drawings
Fig. 1 is a schematic view showing an overall structure of an excavation apparatus for roadbed construction according to a first embodiment of the present application.
Fig. 2 is a schematic view of a structure for showing an excavation member according to a first embodiment of the present application.
Fig. 3 is a schematic structural diagram for showing a reinforcing component in a second embodiment of the present application.
Fig. 4 is a schematic cross-sectional view for showing the first dovetail block and the second dovetail block in the second embodiment of the present application.
Reference numerals illustrate: 1. a body; 11. a base; 12. an operating platform; 13. a walking mechanism; 14. a large arm; 15. a forearm; 2. a connection assembly; 21. a connecting plate; 22. a mounting block; 221. a connecting groove; 3. excavating a piece; 31. digging a plate; 32. a connection part; 321. a connecting column; 322. a fixing plate; 323. a connecting bolt; 324. a coupling nut; 4. a reinforcement assembly; 41. a first reinforcing plate; 411. a positioning plate; 42. a second reinforcing plate; 421. a straight section; 422. an arc section; 5. an auxiliary component; 51. an auxiliary bolt; 52. an auxiliary nut; 6. an abutting plate; 7. a first dovetail block; 71. a first dovetail groove; 8. a second dovetail block; 81. and a second dovetail groove.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
Example 1
The embodiment of the application discloses an excavating device for roadbed construction. Referring to fig. 1 and 2, the excavation device for roadbed construction includes a machine body 1, the machine body 1 includes a base 11 and an operation platform 12, the operation platform 12 is rotatably disposed on the base 11, a traveling mechanism 13 is disposed below the base 11, the traveling mechanism 13 includes wheels, and the wheels travel through motor driving. The operation platform 12 is provided with a big arm 14 support, the big arm 14 is hinged on the big arm 14 support through a big arm hydraulic cylinder used in a matched mode, and the big arm 14 is hinged with a small arm 15 through a small arm hydraulic cylinder used in a matched mode. The one end that big arm 14 was kept away from to forearm 15 rotates through coupling assembling 2 to be connected with excavation piece 3, and coupling assembling 2 includes two connecting plates 21, through installation piece 22 fixed connection between two connecting plates 21, is provided with the bucket pneumatic cylinder on the forearm 15, and the one end and the forearm 15 rotation of bucket pneumatic cylinder are connected, and the other end and the connecting plate 21 rotation of bucket pneumatic cylinder are connected.
Referring to fig. 1 and 2, the excavating member 3 includes an excavating plate 31 and a connecting portion 32, the excavating plate 31 is in a flat spade shape, the middle portion of the excavating plate 31 is tapered along the direction from the middle portion to the bottom, sharpness of a lower opening of the excavating plate 31 is improved, and smoothness of the excavating plate 31 inserted into soil is improved. The connection portion 32 includes a connection post 321, a fixing plate 322, a connection bolt 323, and a connection nut 324, one end of the connection post 321 is connected with the digging plate 31, and the other end of the connection post 321 is detachably connected with the mounting block 22 of the connection assembly 2. The fixed plates 322 are located at two sides of the thickness direction of the digging plate 31, one end of each fixed plate 322 is fixedly connected with the bottom end of each connecting post 321, and one surface of each fixed plate 322, which is close to each other, is fixedly welded with two surfaces of the digging plate 31 in the thickness direction.
Referring to fig. 1 and 2, a connection groove 221 through which the connection post 321 penetrates is formed in the bottom surface of the mounting block 22, a first connection hole is formed in the side wall of the mounting block 22, a second connection hole communicated with the first connection hole is formed in the peripheral side wall of the connection post 321, the second connection hole is located at a position where the connection post 321 penetrates into the connection groove 221, and a nut and a connection nut 324 of the connection bolt 323 are respectively abutted to two radial sides of the connection post 321. For ease of handling, the coupling nut 324 is provided on the side of the excavation plate 31 remote from the body 1.
Before using the digging plate 31, the original bucket on the digging machine is detached from the connecting plate 21, then the digging plate 31 is installed on the installation block 22 through the connecting post 321 and the connecting bolt 323 and can be used, the operation is simple and convenient, the construction of the changing process of the digging machine is not influenced, the digging plate 31 is in a flat spade shape, the middle part to the bottom of the digging plate 31 are gradually reduced along the direction from the middle part to the bottom, the steps after digging are linear and smooth, the perpendicularity is high, the digging quality is improved, the surface is not required to be smoothed after each digging action, the construction time is greatly saved, and the construction efficiency is improved.
In order to enable the overall hardness intensity of the excavated piece 3 to be very high, the utilization rate is high, the excavated plate 31 and the fixed plate 322 are made of forged steel plates, the connecting post 321 is made of steel rods, the thickness of the 32-bit position of the connecting portion of the excavated plate 31 and the fixed plate 322 is 3cm, the thickness of the bottom of the excavated plate 31 is 1cm, the diameter of the connecting post 321 is 10cm, the fixed plate 322 is welded with the excavated plate 31, the vertical length of a welding seam is 20cm, and the transverse length is 30cm.
The implementation principle of the excavation device for roadbed construction in the first embodiment of the application is as follows:
when the excavation 3 is installed, the connecting post 321 is inserted into the connecting groove 221, the first connecting hole and the second connecting hole are aligned, then the connecting bolt 323 is inserted into the first connecting hole and the second connecting hole, the connecting nut 324 is rotated to be connected to the connecting bolt 323 in a threaded manner, and the nut of the connecting bolt 323 and the connecting nut 324 are respectively abutted to two radial sides of the connecting post 321.
Example two
The second embodiment of the present application is different from the first embodiment in that, referring to fig. 3 and 4, in order to improve the stability of the installation of the excavation member 3 on the installation block 22, a reinforcement assembly 4 is provided between the excavation member 3 and the installation block 22. The reinforcement assembly 4 includes a first reinforcement plate 41, one end of the first reinforcement plate 41 is connected to the mounting block 22, and the other end of the first reinforcement plate 41 is connected to the digging plate 31. Two first reinforcing plates 41 are respectively arranged on two radial sides of the connecting post 321, the two first reinforcing plates 41 on two radial sides of the connecting post 321 are respectively positioned on two sides of the thickness direction of the digging plate 31, and the two first reinforcing plates 41 on each radial side of the connecting post 321 are respectively abutted with the digging plate 31. The plate surfaces of the first reinforcing plates 41 are triangular, and the hypotenuses of the two first reinforcing plates 41 on the two radial sides of the connecting post 321 are positioned on the sides far away from each other.
Referring to fig. 3 and 4, the reinforcing component 4 further includes two second reinforcing plates 42, the two second reinforcing plates 42 are respectively located at two sides of the thickness direction of the digging plate 31, each second reinforcing plate 42 includes a straight section 421 and an arc section 422, the straight section 421 is integrally formed at two radial sides of the arc section 422, the shape of the arc section 422 is adapted to the shape of the peripheral side wall of the connecting post 321, the inner wall of the arc section 422 is abutted against the peripheral side wall of the connecting post 321, and the straight section 421 is abutted against the first reinforcing plate 41.
Referring to fig. 3 and 4, the straight section 421 is provided with an auxiliary assembly 5 for connecting and fixing the two second reinforcing plates 42, and one radial side of the connecting post 321 is provided with a group of auxiliary assemblies 5, and the auxiliary assemblies 5 are located on the corresponding first reinforcing plates 41 near the middle in the length direction. The auxiliary assembly 5 comprises an auxiliary bolt 51 and an auxiliary nut 52, a first auxiliary hole for the auxiliary bolt 51 to pass through is formed in the first reinforcing plate 41, a second auxiliary hole for the auxiliary bolt 51 to pass through is formed in the second reinforcing plate 42, the auxiliary bolt 51 passes through the corresponding first auxiliary hole and second auxiliary hole and is in threaded connection with the auxiliary nut 52, one side, close to each other, of the nut of the auxiliary bolt 51 and the auxiliary nut 52 is respectively abutted with one side, far away from each other, of the second reinforcing plate 42, and the auxiliary nut 52 is arranged on one side, far away from the machine body 1, of the digging plate 31 for convenience in operation.
Referring to fig. 3 and 4, two first reinforcing plates 41 on each side of the connecting post 321 in the radial direction are each provided with an abutting plate 6 on a surface close to each other, the sum of the thicknesses of the two adjacent abutting plates 6 is consistent with the thickness of the top of the digging plate 31, and the abutting plates 6 are provided with yielding holes for the auxiliary bolts 51 to pass through. When the auxiliary nut 52 rotates to the point that the nut of the auxiliary bolt 51 and the side of the auxiliary nut 52 close to each other are respectively abutted against the side of the second reinforcing plate 42 away from each other, the adjacent two abutting plates 6 are abutted tightly, so that support is provided for the corresponding two first reinforcing plates 41, and the stability and reinforcing capacity of the first reinforcing plates 41 are improved.
Referring to fig. 3 and 4, two first reinforcing plates 41 on each radial side of the connecting post 321 are fixedly connected through a positioning plate 411, a first dovetail block 7 is arranged on the bottom surface of the mounting block 22, the first dovetail block 7 is connected to two ends of the mounting block 22 in the length direction, a first dovetail groove 71 for the first dovetail block 7 to penetrate is formed in the positioning plate 411, and the first dovetail groove 71 penetrates through one end of each of the two positioning plates 411, which is close to each other. The second dovetail blocks 8 are arranged on two sides of the digging plate 31 in the thickness direction, and a second dovetail groove 81 for the second dovetail blocks 8 to penetrate is formed in one surface of each first reinforcing plate 41, which is close to the digging plate 31, and the second dovetail groove 81 penetrates through one end of the first reinforcing plate 41, which is close to the digging plate 31. The sliding directions of the first dovetail block 7 and the second dovetail block 8 are vertical, the first dovetail block 7 provides a transverse positioning guide for the first reinforcing plate 41, and the second dovetail block 8 provides a vertical positioning guide for the digging plate 31.
Before the excavation piece 3 is installed, four first reinforcing plates 41 are connected to the installation block 22 along the first dovetail block 7, then the excavation piece 3 is upwards slid along the second dovetail block 8 until the connecting post 321 penetrates into the connecting groove 221, then the connecting post 321 is fixed through the connecting bolt 323 and the connecting nut 324, at the moment, the first reinforcing plates 41 and the excavation plate 31 are both fixed vertically and transversely, then the second reinforcing plates 42 are installed to the arc-shaped section 422 and the side wall butt joint of the connecting post 321, the first auxiliary holes are aligned with the second auxiliary holes, the auxiliary bolts 51 penetrate through the corresponding first auxiliary holes and the corresponding second auxiliary holes and are connected with the auxiliary nuts 52 in a threaded mode, and the excavation piece 3 is further reinforced and stabilized. Thereby reinforcing assembly 4 has improved the stability of excavation piece 3 installation on installation piece 22, has reduced the possibility that excavation plate 31 rocked, has further improved the effect and the quality of excavation.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides an excavating device for roadbed construction, includes organism (1), organism (1) including base (11) and operation platform (12), operation platform (12) rotate and set up on base (11), the below of base (11) is provided with running gear (13), is provided with big arm (14) support on operation platform (12), rotates on big arm (14) support and is connected with big arm (14), and big arm (14) rotate and are connected with forearm (15), its characterized in that: the one end of the small arm (15) far away from the big arm (14) is rotationally connected with an excavating piece (3), the excavating piece (3) is rotationally connected with the small arm (15) through a connecting component (2), the connecting component (2) comprises two connecting plates (21), and the two connecting plates (21) are fixedly connected through a mounting block (22); the excavating piece (3) comprises an excavating plate (31) and a connecting part (32), wherein the excavating plate (31) is in a flat spade shape, and the middle part of the excavating plate (31) is gradually reduced from the middle part to the bottom along the direction from the middle part to the bottom; the connecting portion (32) comprises a connecting post (321), one end of the connecting post (321) is connected with the digging plate (31), and the other end of the connecting post (321) is detachably connected with the mounting block (22) of the connecting assembly (2).
2. The excavation device for roadbed construction according to claim 1, wherein: the connecting part (32) further comprises a connecting bolt (323) and a connecting nut (324), a connecting groove (221) for the connecting post (321) to penetrate is formed in the bottom surface of the mounting block (22), a first connecting hole is formed in the side wall of the mounting block (22), a second connecting hole communicated with the first connecting hole is formed in the peripheral side wall of the connecting post (321), the second connecting hole is located at the position where the connecting post (321) penetrates into the connecting groove (221), and a nut of the connecting bolt (323) and the connecting nut (324) are respectively abutted to two radial sides of the connecting post (321).
3. The excavation device for roadbed construction according to claim 1, wherein: the connecting part (32) further comprises a fixing plate (322), the fixing plate (322) is located on two sides of the thickness direction of the digging plate (31), one end of the fixing plate (322) is fixedly connected with the connecting post (321), and one surface of the fixing plate (322) which is close to each other is fixedly connected with two surfaces of the thickness direction of the digging plate (31).
4. An excavation device for roadbed construction according to claim 3, wherein: the steel rod type excavator is characterized in that the excavator plate (31) and the fixing plate (322) are made of forged steel plates, the connecting columns (321) are made of steel rods, the thickness of the connecting portion (32) of the excavator plate (31) and the fixing plate (322) is 3cm, the thickness of the bottom of the excavator plate (31) is 1cm, and the diameter of the connecting columns (321) is 10cm.
5. The excavation device for roadbed construction according to claim 1, wherein: a reinforcing component (4) is arranged between the excavation piece (3) and the mounting block (22), the reinforcing component (4) comprises a first reinforcing plate (41), one end of the first reinforcing plate (41) is connected with the mounting block (22), and the other end of the first reinforcing plate (41) is connected with the excavation plate (31);
two first reinforcing plates (41) are respectively arranged on two radial sides of the connecting post (321), the two first reinforcing plates (41) on two radial sides of the connecting post (321) are respectively positioned on two sides of the thickness direction of the digging plate (31), and the two first reinforcing plates (41) on each radial side of the connecting post (321) are respectively abutted with the digging plate (31).
6. The excavation device for roadbed construction according to claim 5, wherein: the reinforcing assembly (4) further comprises two second reinforcing plates (42), the two second reinforcing plates (42) are respectively located at two sides of the thickness direction of the digging plate (31), each second reinforcing plate (42) comprises a straight section (421) and an arc section (422), the straight sections (421) are connected to two radial sides of the arc sections (422), the arc sections (422) are abutted against the peripheral side walls of the connecting columns (321), the straight sections (421) are abutted against the first reinforcing plates (41), an auxiliary assembly (5) for connecting and fixing the two second reinforcing plates (42) is arranged on the straight sections (421), and a group of auxiliary assemblies (5) are arranged on one radial sides of the connecting columns (321).
7. The excavation device for roadbed construction according to claim 6, wherein: the auxiliary assembly (5) comprises an auxiliary bolt (51) and an auxiliary nut (52), a first auxiliary hole for the auxiliary bolt (51) to pass through is formed in the first reinforcing plate (41), a second auxiliary hole for the auxiliary bolt (51) to pass through is formed in the second reinforcing plate (42), the auxiliary bolt (51) passes through the corresponding first auxiliary hole and second auxiliary hole and is in threaded connection with the auxiliary nut (52), and one side, close to each other, of the nut of the auxiliary bolt (51) and the auxiliary nut (52) is respectively in butt joint with one side, far away from each other, of the second reinforcing plate (42).
8. The excavation device for roadbed construction according to claim 7, wherein: two first reinforcing plates (41) on each radial side of the connecting column (321) are provided with abutting plates (6) on one surfaces close to each other, the sum of the thicknesses of the adjacent abutting plates (6) is consistent with the thickness of the top of the digging plate (31), and the abutting plates (6) are provided with yielding holes for the auxiliary bolts (51) to pass through.
9. The excavation device for roadbed construction according to claim 5, wherein: two first reinforcing plates (41) on each radial side of the connecting column (321) are connected through a positioning plate (411), a first dovetail block (7) is arranged on the bottom surface of the mounting block (22), the first dovetail block (7) is connected to two ends of the mounting block (22) in the length direction, a first dovetail groove (71) for the first dovetail block (7) to penetrate is formed in the positioning plate (411), and the first dovetail groove (71) penetrates through one end, close to each other, of the two positioning plates (411).
10. The excavation device for roadbed construction according to claim 5, wherein: two sides of the digging plate (31) in the thickness direction are provided with second dovetail blocks (8), one side, close to the digging plate (31), of each first reinforcing plate (41) is provided with a second dovetail groove (81) for the second dovetail blocks (8) to penetrate, and the second dovetail grooves (81) penetrate through one end, close to the digging plate (31), of the first reinforcing plate (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908737.4U CN220888771U (en) | 2023-07-19 | 2023-07-19 | Excavation device is used in roadbed construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908737.4U CN220888771U (en) | 2023-07-19 | 2023-07-19 | Excavation device is used in roadbed construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220888771U true CN220888771U (en) | 2024-05-03 |
Family
ID=90843321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321908737.4U Active CN220888771U (en) | 2023-07-19 | 2023-07-19 | Excavation device is used in roadbed construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220888771U (en) |
-
2023
- 2023-07-19 CN CN202321908737.4U patent/CN220888771U/en active Active
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