CN114427236A - Staggered-tooth meshed heading machine - Google Patents
Staggered-tooth meshed heading machine Download PDFInfo
- Publication number
- CN114427236A CN114427236A CN202111653738.4A CN202111653738A CN114427236A CN 114427236 A CN114427236 A CN 114427236A CN 202111653738 A CN202111653738 A CN 202111653738A CN 114427236 A CN114427236 A CN 114427236A
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- cutter
- rotating shafts
- heading machine
- staggered
- blade
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
Abstract
The invention discloses a staggered-tooth meshed heading machine, which belongs to the technical field of building construction and comprises a shell, a first cutting part and a second cutting part, wherein the first cutting part comprises a first connecting piece, a plurality of first rotating shafts and a plurality of first blade row groups arranged at intervals; the second connecting piece is connected with the tail part of the second cutter row group so as to drive the second cutter row group to swing up and down around the second rotating shaft, the second cutter row group comprises a plurality of second swinging cutters which are arranged at intervals along the length direction of the second rotating shaft, and the cutter head of each first swinging cutter is positioned between the cutter heads of two adjacent second swinging cutters. The staggered-tooth meshed heading machine provided by the invention has no cutting blind area and good excavation result.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a staggered-tooth meshed heading machine.
Background
The construction of tunnels and underground garages requires a great deal of excavation work, the cutting cross section of the existing excavating equipment is basically circular, but some projects need to excavate to form a rectangular cross section at present.
The existing rectangular tunneling equipment usually adopts a circular and other special-shaped combined cutter head form, the actual section cutting rate is only about 90% at most, a cutting blind area exists, full-section cutting cannot be carried out, the adverse effects of large soil body disturbance or obvious extrusion and the like are caused, the cutting linear speed of the circular cutter head is inconsistent, the cutting degree is inconsistent, and the tunneling equipment is easy to deviate from the axis. And for cutting on the existing structure, for example, digging a connection channel between two adjacent circular tunnels, the center of the existing circular cutter head cutting equipment must be aligned with the center line of the tunnel, namely the position of the connection channel is higher, the connection channel and the bottom surface of the tunnel generate larger height difference, the difficulty is high during emergency evacuation, the efficiency is low, namely the digging result is unsatisfactory, the construction efficiency of the existing circular cutter head cutting equipment when digging the pipe walls of the two adjacent circular tunnels is low, and the time for cutting the pipe walls even accounts for 40% of the total construction time of the connection channel.
Disclosure of Invention
The invention aims to provide a staggered-tooth meshed heading machine to solve the technical problems of cutting blind areas, inconsistent cutting degrees, unsatisfactory excavation results and long time for cutting pipe walls in the prior art.
As the conception, the technical scheme adopted by the invention is as follows:
a staggered-tooth biting roadheader comprising:
an outer housing;
the first cutting part comprises a first connecting piece, a plurality of first rotating shafts and a plurality of first cutter row groups arranged at intervals, the first connecting piece is positioned in the outer shell and can move along the height direction of the outer shell, the first rotating shafts are arranged at intervals along the height direction of the outer shell, two ends of the first rotating shafts are fixedly connected to the outer shell, the first cutter row groups are arranged at intervals along the height direction of the outer shell, the first cutter row groups correspond to the first rotating shafts one by one, the middle parts of the first cutter row groups are rotatably connected with the first rotating shafts, the first connecting piece is connected with the tail parts of the first cutter row groups to drive the first cutter row groups to swing up and down around the first rotating shafts, and the first cutter row groups comprise a plurality of first swinging cutters arranged at intervals along the length direction of the first rotating shafts;
the second cutting part comprises a second connecting piece, a plurality of second rotating shafts and a plurality of second cutter row groups arranged at intervals, the second connecting piece is positioned in the outer shell and can move along the height direction of the outer shell, the second rotating shafts are arranged at intervals along the height direction of the outer shell, two ends of each second rotating shaft are fixedly connected to the outer shell, the first rotating shafts and the second rotating shafts are alternately arranged, the second cutter row groups are arranged at intervals along the height direction of the outer shell, the first cutter row groups and the second cutter row groups are alternately arranged, the second cutter row groups correspond to the second rotating shafts one by one, the middle parts of the second cutter row groups are rotationally connected with the second rotating shafts, the second connecting piece is connected with the tail parts of the second cutter row groups to drive the second cutter row groups to swing up and down around the second rotating shafts, the second cutter row groups comprise a plurality of second swinging cutters arranged at intervals along the length direction of the second rotating shafts, the tool bit of the first swinging tool is positioned between the tool bits of the two adjacent second swinging tools.
Furthermore, the first connecting piece comprises a connecting frame and a plurality of protruding frames arranged at intervals along the height direction of the connecting frame, and one end of each protruding frame is fixedly connected with the connecting frame.
Furthermore, first blade row group still includes the connecting axle, first swing sword interval rotate connect in on the connecting axle, be equipped with the slip hole on the protruding frame, the connecting axle wear in the slip hole just can slide in the slip hole.
Furthermore, the first blade row group further comprises a plurality of connecting blocks, two ends of each connecting block are fixedly connected with the side faces of the two adjacent first swinging blades respectively, and the connecting blocks are located between the connecting shafts and the first rotating shafts.
Furthermore, the staggered-tooth meshing type heading machine further comprises a jack group, a fixed block is convexly arranged in the middle of the end face, away from the protruding frame, of the connecting frame, the jack group comprises two jacks symmetrically arranged along the fixed block, and the output ends of the jacks are abutted to the fixed block.
Furthermore, the fixed block with jack group all is equipped with two, two the fixed block is followed the length direction interval of shell body sets up.
Furthermore, the first cutter row group and the second cutter row group are provided with five cutter rows.
Furthermore, the tool bit of the first swinging tool is claw-shaped, and the tool bit of the first swinging tool is provided with three tool tips.
Further, the middle tips of all the first blade row groups form a plane.
Further, the tool tip in the middle of all the first blade row groups forms a curved surface.
The invention has the beneficial effects that:
the invention provides a staggered-tooth meshed heading machine, wherein a first connecting piece moves up and down to drive a first cutter row group to swing up and down around a first rotating shaft, a second connecting piece moves up and down to drive a second cutter row group to swing up and down around a second rotating shaft, and soil layers to be excavated are excavated. The cutting face of the cutter head can be designed into a plane or a curved surface according to the shapes of the first connecting piece and the second connecting piece, namely the cutting face can be designed into the shape same as the end face of the circular tunnel pipe wall, so that the circular tunnel pipe wall can be conveniently cut, an ideal structure can be conveniently excavated, the excavating efficiency is high, and the required time is short.
Drawings
Fig. 1 is a right side view of a staggered teeth biting excavator according to an embodiment of the present invention;
fig. 2 is a front view of a partial structure of a staggered teeth meshing type heading machine according to an embodiment of the present invention;
fig. 3 is a rear view of a partial structure of a staggered teeth meshing type heading machine according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a communication passage for excavating two tunnels by the staggered-tooth bite type excavator according to the second embodiment of the present invention.
In the figure:
10. a tunnel;
1. an outer housing;
2. a first cutting portion; 21. a first connecting member; 211. a connecting frame; 212. a convex frame; 213. a slide hole; 214. a fixed block; 22. a first rotating shaft; 23. a first blade row group; 231. a first swing blade; 232. a connecting shaft;
3. a second cutting portion; 31. a second connecting member; 32. a second rotating shaft; 33. a second blade row group; 331. a second swing blade;
4. a jack group; 41. a jack;
5. a soil sampling device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
Referring to fig. 1 to 3, an embodiment of the present invention provides a staggered-tooth bite type heading machine, including an outer casing 1, a first cutting part 2, and a second cutting part 3, the first cutting part 2 including a first connecting member 21, the cutting device comprises a plurality of first rotating shafts 22 and a plurality of first blade row groups 23 arranged at intervals, wherein first connecting pieces 21 are positioned in the outer shell 1 and can move along the height direction of the outer shell 1, the first rotating shafts 22 are arranged at intervals along the height direction of the outer shell 1, two ends of each first rotating shaft 22 are fixedly connected to the outer shell 1, the first blade row groups 23 are arranged at intervals along the height direction of the outer shell 1, the first blade row groups 23 correspond to the first rotating shafts 22 one by one, the middle parts of the first blade row groups 23 are rotatably connected with the first rotating shafts 22, the first connecting pieces 21 are connected with the tail parts of the first blade row groups 23 to drive the first blade row groups 23 to swing up and down around the first rotating shafts 22, and each first blade row group 23 comprises a plurality of first swinging blades 231 arranged at intervals along the length direction of the first rotating shafts 22; the second cutting part 3 comprises a second connecting piece 31, a plurality of second rotating shafts 32 and a plurality of second tool row groups 33 arranged at intervals, the second connecting piece 31 is positioned in the outer shell 1 and can move along the height direction of the outer shell 1, the plurality of second rotating shafts 32 are arranged at intervals along the height direction of the outer shell 1, two ends of each second rotating shaft 32 are fixedly connected to the outer shell 1, the first rotating shafts 22 and the second rotating shafts 32 are alternately arranged, the plurality of second tool row groups 33 are arranged at intervals along the height direction of the outer shell 1, the first tool row groups 23 and the second tool row groups 33 are alternately arranged, the second tool row groups 33 correspond to the second rotating shafts 32 one by one, the middle parts of the second tool row groups 33 are rotatably connected with the second rotating shafts 32, the second connecting piece 31 is connected with the tail parts of the second tool row groups 33 to drive the second tool row groups 33 to swing up and down around the second rotating shafts 32, each second tool row group 33 comprises a plurality of second swinging tools 331 arranged at intervals along the length direction of the second rotating shafts 32, the blade head of the first swinging blade 231 is located between the blade heads of the two adjacent second swinging blades 331.
The first connecting piece 21 moves up and down to drive the first blade row group 23 to swing up and down around the first rotating shaft 22, the second connecting piece 31 moves up and down to drive the second blade row group 33 to swing up and down around the second rotating shaft 32, and therefore soil layers to be excavated are excavated.
Referring to fig. 1, a first bearing is disposed between the first swinging blade 231 and the first rotating shaft 22, and a second bearing is disposed between the second swinging blade 331 and the second rotating shaft 32.
The blade head of the first swing blade 231 is claw-shaped, and the blade head of the first swing blade 231 has three blade tips, so that large-area cutting can be conveniently completed, and the section cutting rate is increased compared with that of a single blade tip.
The middle knifepoints in all the first blade row groups 23 form a plane, so that a common rectangular tunnel or an underground garage can be conveniently excavated.
The staggered-tooth meshed heading machine further comprises an earth taking device 5, one end of the earth taking device 5 is located below the inner portion of the outer shell 1, the other end of the earth taking device 5 is located outside the outer shell 1, the earth taking device 5 is arranged in the outer shell 1 and inclines upwards towards the outer portion of the outer shell 1, and the earth taking device 5 is used for taking out excavated earth.
The first connecting member 21 includes a connecting frame 211 and a plurality of protruding frames 212 arranged at intervals along the height direction of the connecting frame 211, one end of each protruding frame 212 is fixedly connected with the connecting frame 211, and the protruding frames 212 achieve connection of the plurality of first blade rows 23.
The first blade row group 23 further comprises a connecting shaft 232, the first swinging blades 231 are connected to the connecting shaft 232 at intervals in a rotating mode, the protruding frame 212 is provided with a sliding hole 213, and the connecting shaft 232 penetrates through the sliding hole 213 and can slide in the sliding hole 213, so that the first blade row group 23 can swing smoothly when the first connecting piece 21 moves up and down.
The first blade row group 23 further includes a plurality of connection blocks, two ends of each connection block are respectively and fixedly connected to the side surfaces of two adjacent first swinging blades 231, the connection blocks are located between the connection shafts 232 and the first rotation shafts 22, and the connection blocks connect the first swinging blades 231 located at the same height, so that the first swinging blades 231 located at the same height move synchronously.
Referring to fig. 1 and 3, the staggered-tooth meshing type heading machine further comprises a jack group 4, a fixing block 214 is convexly arranged in the middle of the end face, far away from the protruding frame 212, of the connecting frame 211, the jack group 4 comprises two jacks 41 symmetrically arranged along the fixing block 214, the output ends of the jacks 41 are abutted to the fixing block 214, the up-and-down movement of the first connecting piece 21 is achieved, the structure is simple, and the cost is low.
The two fixing blocks 214 and the two jack sets 4 are arranged, the two fixing blocks 214 are arranged at intervals along the length direction of the outer shell 1, stress of each fixing block 214 is dispersed, and the service life is prolonged.
Referring to fig. 1 and 2, there are five first blade row groups 23 and five second blade row groups 33, each first blade row group 23 has thirteen first swinging blades 231, each second blade row group 33 has fourteen second swinging blades 331, and the number of the first blade row groups 23, the second blade row groups 33, the first swinging blades 231 and the second swinging blades 331 can be adjusted according to actual requirements.
The second blade row group 33 is identical in structure to the first blade row group 23, and the second connecting member 31 is identical in structure to the first connecting member 21.
Example two
Fig. 4 shows a second embodiment, wherein the same or corresponding parts as in the first embodiment are provided with the same reference numerals as in the first embodiment. For the sake of simplicity, only the differences between the second embodiment and the first embodiment will be described. The difference is that the centrally located blade tip in all first blade row groups 23 forms a curved surface.
Since the cutting surface of the cutter head can be designed to be a plane or a curved surface according to the shapes of the first connecting piece 21 and the second connecting piece 31, that is, the cutting surface can be designed to be the same as the shape of the end surface of the pipe wall of the circular tunnel, in the embodiment, the communication channel is excavated between the two tunnels 10, the cutting surface of the cutter head is designed to be a curved surface so as to cut the pipe wall of the circular tunnel 10, the cutting surfaces of the first cutter row group 23 and the second cutter row group 33 positioned at the lower end are the same as the shape of the pipe wall of the lower end of the excavated tunnel 10, the cutting surfaces of the first cutter row group 23 and the second cutter row group 33 positioned at the upper end are the same as the shape of the pipe wall of the middle and lower end of the excavated tunnel 10, the excavating efficiency is high, the required time is short, the staggered-tooth engagement type excavator does not need to be aligned with the center lines of the two tunnels 10, that is, the position of the communication channel can be set to be lower, the height difference between the driving track and the communication channel in the tunnel 10 is small, the difficulty is small during emergency evacuation, and the efficiency is high.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A staggered-tooth meshing type heading machine, comprising:
an outer casing (1);
first cutting portion (2), including first connecting piece (21), a plurality of first pivot (22) and a plurality of interval sets up first bank of blades (23), first connecting piece (21) are located in shell body (1) and can follow the direction of height of shell body (1) removes, and is a plurality of first pivot (22) are followed the direction of height interval setting and both ends fixed connection of shell body (1) are in on shell body (1), and are a plurality of first bank of blades (23) are followed the direction of height interval setting of shell body (1), first bank of blades (23) with first pivot (22) one-to-one and middle part with first pivot (22) rotate and are connected, first connecting piece (21) with the connection of the afterbody of first bank of blades (23) is in order to drive first bank of blades (23) wind first pivot (22) luffing motion, the first knife row group (23) comprises a plurality of first swinging knives (231) which are arranged at intervals along the length direction of the first rotating shaft (22);
the second cutting part (3) comprises a second connecting piece (31), a plurality of second rotating shafts (32) and a plurality of second cutter row groups (33) which are arranged at intervals, the second connecting piece (31) is positioned in the outer shell (1) and can move along the height direction of the outer shell (1), the second rotating shafts (32) are arranged at intervals along the height direction of the outer shell (1) and both ends of the second rotating shafts are fixedly connected to the outer shell (1), the first rotating shafts (22) and the second rotating shafts (32) are alternately arranged, the second cutter row groups (33) are arranged at intervals along the height direction of the outer shell (1), the first cutter row groups (23) and the second cutter row groups (33) are alternately arranged, the second cutter row groups (33) correspond to the second rotating shafts (32) one to one, and the middle parts of the second cutter row groups (33) are rotatably connected with the second rotating shafts (32), second connecting piece (31) with the connection of the afterbody of second sword row group (33) is in order to drive second sword row group (33) winds second pivot (32) luffing motion, second sword row group (33) include a plurality of edges second pendulum sword (331) that the length direction interval of second pivot (32) set up, the tool bit of first pendulum sword (231) is located adjacent two between the tool bit of second pendulum sword (331).
2. The staggered teeth biting machine according to claim 1, wherein said first connecting member (21) comprises a connecting frame (211) and a plurality of protruding frames (212) arranged at intervals along a height direction of said connecting frame (211), one end of said protruding frame (212) being fixedly connected to said connecting frame (211).
3. The staggered-tooth meshed heading machine according to claim 2, wherein the first blade row (23) further comprises a connecting shaft (232), the first swinging blade (231) is connected to the connecting shaft (232) in a rotating mode at intervals, a sliding hole (213) is formed in the protruding frame (212), and the connecting shaft (232) penetrates through the sliding hole (213) and can slide in the sliding hole (213).
4. The staggered teeth meshing type heading machine according to claim 3, wherein the first blade row group (23) further comprises a plurality of connecting blocks, two ends of each connecting block are fixedly connected with the side surfaces of two adjacent first swinging blades (231), and the connecting blocks are located between the connecting shafts (232) and the first rotating shafts (22).
5. The staggered-tooth meshing type heading machine according to claim 2, further comprising a jack set (4), wherein a fixed block (214) is convexly arranged in the middle of the end face, away from the protruding frame (212), of the connecting frame (211), the jack set (4) comprises two jacks (41) symmetrically arranged along the fixed block (214), and the output ends of the jacks (41) abut against the fixed block (214).
6. The staggered teeth meshing type heading machine according to claim 5, wherein there are two fixing blocks (214) and two jack sets (4), and the two fixing blocks (214) are arranged at intervals along the length direction of the outer casing (1).
7. The staggered teeth bite type heading machine according to claim 1, wherein there are five each of the first blade row group (23) and the second blade row group (33).
8. The staggered teeth meshing type heading machine according to claim 1, wherein the cutter head of the first oscillating blade (231) is claw-shaped, and the cutter head of the first oscillating blade (231) has three cutter points.
9. The staggered teeth biting heading machine according to claim 8, wherein said centrally located tips in all said first blade row groups (23) form a plane.
10. The staggered teeth biting heading machine according to claim 8, wherein said centrally located tips of all said first blade row groups (23) form a curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653738.4A CN114427236B (en) | 2021-12-30 | 2021-12-30 | Staggered-tooth meshed heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111653738.4A CN114427236B (en) | 2021-12-30 | 2021-12-30 | Staggered-tooth meshed heading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114427236A true CN114427236A (en) | 2022-05-03 |
| CN114427236B CN114427236B (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111653738.4A Active CN114427236B (en) | 2021-12-30 | 2021-12-30 | Staggered-tooth meshed heading machine |
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| Country | Link |
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| CN (1) | CN114427236B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110308116A1 (en) * | 2010-06-17 | 2011-12-22 | Larry William Peterson | Digging System And Method |
| JP2012162985A (en) * | 2012-06-05 | 2012-08-30 | Taisei Corp | Tunneling machine |
| CN106088015A (en) * | 2016-06-22 | 2016-11-09 | 张葵英 | Double square is connected piling wall equipment |
| CN214532968U (en) * | 2021-03-19 | 2021-10-29 | 扬州海克隧道设备有限公司 | Tunnel construction heading machine |
| CN113653112A (en) * | 2021-07-28 | 2021-11-16 | 中国化学工程第十三建设有限公司 | Quick foundation excavating equipment for building construction |
-
2021
- 2021-12-30 CN CN202111653738.4A patent/CN114427236B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110308116A1 (en) * | 2010-06-17 | 2011-12-22 | Larry William Peterson | Digging System And Method |
| JP2012162985A (en) * | 2012-06-05 | 2012-08-30 | Taisei Corp | Tunneling machine |
| CN106088015A (en) * | 2016-06-22 | 2016-11-09 | 张葵英 | Double square is connected piling wall equipment |
| CN214532968U (en) * | 2021-03-19 | 2021-10-29 | 扬州海克隧道设备有限公司 | Tunnel construction heading machine |
| CN113653112A (en) * | 2021-07-28 | 2021-11-16 | 中国化学工程第十三建设有限公司 | Quick foundation excavating equipment for building construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114427236B (en) | 2023-02-03 |
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