CN111206939B - Shield tunneling machine cutter head applied to multi-rock environment - Google Patents
Shield tunneling machine cutter head applied to multi-rock environment Download PDFInfo
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- CN111206939B CN111206939B CN202010105323.2A CN202010105323A CN111206939B CN 111206939 B CN111206939 B CN 111206939B CN 202010105323 A CN202010105323 A CN 202010105323A CN 111206939 B CN111206939 B CN 111206939B
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- spoke arm
- main spoke
- hob
- frame
- edge
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Abstract
The application discloses be applied to shield structure machine blade disc under multi-rock environment, first main spoke arm, the inner of second main spoke arm and third main spoke arm links to each other and crisscross distribution each other, so when the blade disc is rotatory, the job stabilization nature is better, the atress is more even, in addition, third main spoke arm is installed in the one side of keeping away from the blade disc frame, the overall arrangement is so, a plurality of sixth single-edged hobbing cutters on the usable third main spoke arm bear the weight of main tunnelling work, to the tunnelling work under the multi-rock environment, tunnelling speed and quality can be guaranteed to sixth single-edged hobbing cutter, the tunnelling pressure of first main spoke arm and second main spoke arm has also been shared, the life of hobbing cutter and cutting knife on first main spoke arm and the second main spoke arm has been improved. The single-edge hob, the cutting knife and the pilot knife are reasonable in layout and uniform in stress, the tunneling efficiency and quality of the tunneling machine in a rock environment are improved, the service life of the knife is prolonged, and the service life of the tunneling machine is further prolonged.
Description
Technical Field
The invention relates to the technical field of shield tunneling machines, in particular to a shield tunneling machine cutter head applied to a multi-rock environment.
Background
Dozens of hobs are generally arranged on a special shield machine cutterhead for constructing subways and tunnels. The hob is matched with a scraper on a cutter head, and plays roles of shearing, extruding and grinding to break the stratum when the shield machine is in tunneling work. When the shield tunneling machine cutter head in the prior art is used, the arrangement of the hobbing cutters and the cutters is not reasonable enough, so that the service lives of the hobbing cutters and the cutters are short, the tunneling process is caused due to the unreasonable arrangement, the stress of each hobbing cutter and each cutter is unscientific, the tunneling efficiency and the tunneling quality are seriously reduced, and therefore the problem in the prior art is solved by developing the shield tunneling machine cutter head applied to a multi-rock environment urgently.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a shield tunneling machine cutter head applied to a multi-rock environment.
The technical scheme adopted by the invention is as follows:
a shield constructs quick-witted blade disc for under rocky environment includes: the cutter head frame is provided with a front working surface and a rear assembling surface opposite to the front working surface, the first main spoke arm, the second main spoke arm and the third main spoke arm are arranged on the cutter head frame at intervals along the circumferential direction of the cutter head frame, and the inner ends of the first main spoke arm, the second main spoke arm and the third main spoke arm are connected with each other and distributed in a staggered manner on the front working surface;
a third single-edge hob is mounted on one side, close to the periphery of the cutter disc frame, of the first main spoke arm, first pilot cutters are arranged on two sides of the first main spoke arm at intervals, a first cutting cutter is arranged on one side, close to the periphery of the cutter disc frame, of the first main spoke arm, a first mounting bin is further arranged on the first main spoke arm, the first single-edge hob and the second single-edge hob are mounted in the first mounting bin, and a first filling hole is further formed in the first main spoke arm;
a second mounting bin is arranged on one side, close to the periphery of the cutter disc frame, of the second main spoke arm, a fourth single-edge hob is mounted in the second mounting bin, second pilot cutters are arranged on two sides of the second main spoke arm at intervals, and second cutting cutters are arranged on one side, close to the periphery of the cutter disc frame, of the second main spoke arm;
the third main spoke arm is provided with a third mounting bin symmetrically relative to the center of the third main spoke arm, a fifth single-edge hob is mounted in the third mounting bin, a fourth mounting bin is arranged at the center of the third main spoke arm, a plurality of sixth single-edge hobs are mounted in the fourth mounting bin, third leading knives arranged at intervals are arranged on two sides of the third main spoke arm, a third cutting knife is arranged on one side, close to the periphery of the cutter disc frame, of the third main spoke arm, a second injection hole is further formed in the third main spoke arm, a fifth mounting bin is arranged on one side, close to the periphery of the cutter disc frame, of the third main spoke arm, and a seventh single-edge hob is mounted in the fifth mounting bin.
In the embodiment of the invention, the third single-blade hob is arranged in parallel with the cutterhead frame.
In the embodiment of the invention, the first single-edge hob, the second single-edge hob, the fourth single-edge hob, the fifth single-edge hob and the sixth single-edge hob are all vertically distributed with the hob head frame.
In the embodiment of the invention, a first abrasion detection knife is arranged on the first main spoke arm.
In the embodiment of the invention, a second abrasion detection knife is arranged on the second main spoke arm.
In the embodiment of the invention, an auxiliary knife is arranged on the outer side of the first main spoke arm.
In the embodiment of the invention, a plurality of protection knives arranged at intervals are arranged on the periphery of the knife rest.
In the embodiment of the invention, a sixth installation bin is arranged on the second main spoke arm, an eighth single-edge hob and a ninth single-edge hob are installed in the sixth installation bin, a first rotating shaft is connected between the eighth single-edge hob and the ninth single-edge hob, and a baffle is arranged between the eighth single-edge hob and the ninth single-edge hob.
In the embodiment of the invention, the periphery of the first rotating shaft is sleeved with a clamping shaft sleeve, the clamping shaft sleeves are provided with a pair, the clamping shaft sleeves are respectively positioned at one side of the eighth single-edge hob and one side of the ninth single-edge hob, the periphery of the clamping shaft sleeves is sleeved with a mounting plate, a buffer plate is arranged on one side of the ninth single-blade hob close to the mounting plate, a first piston is arranged on one side of the mounting plate close to the buffer plate, a piston shaft is arranged on one side of the first piston far away from the mounting plate, a second piston is arranged on one side of the piston shaft far away from the first piston, one end of the second piston, which is far away from the piston shaft, is provided with a mounting seat, a second rotating shaft is arranged on the mounting seat, the guide wheel is installed in second pivot periphery, the guide wheel is arranged with the buffer board contact, be equipped with the spring between first piston and the second piston, the spring cup joints in the periphery of piston axle.
In the embodiment of the invention, a reinforcing frame is arranged on the front working surface, a seventh mounting bin is arranged on the reinforcing frame, a tenth single-blade hob is arranged in the seventh mounting bin, an eighth mounting bin is arranged in the reinforcing frame and in the circumferential direction close to the cutterhead frame, an eleventh single-blade hob is arranged in the eighth mounting bin, the tenth single-blade hob is vertically distributed with the cutterhead frame, the eleventh single-blade hob is obliquely distributed with the cutterhead frame, and a fan-shaped wear-resistant cover is arranged at the joint of the reinforcing frame and the front working surface.
The invention has the beneficial effects that: the cutter head is applied to a shield machine in a multi-rock environment, a first main spoke arm, a second main spoke arm and a third main spoke arm are arranged at intervals in the circumferential direction of the cutter head frame, the inner ends of the first main spoke arm, the second main spoke arm and the third main spoke arm are connected with each other and are distributed in a staggered way, therefore, when the cutter head rotates, the first main spoke arm, the second main spoke arm and the third main spoke arm have better working stability and more uniform stress, in addition, the third main spoke arm is arranged at one side far away from the cutter disc frame, so that the arrangement can utilize a plurality of sixth single-edge cutters on the third main spoke arm to bear the main tunneling work, for the tunneling work in the multi-rock environment, the sixth single-edge hob can ensure the tunneling speed and the tunneling quality, shares the tunneling pressure of the first main spoke arm and the second main spoke arm, and prolongs the service life of the hob and the cutter on the first main spoke arm and the second main spoke arm. In addition, the third cutting knife and the third leading knife on the third main spoke arm are used for cutting the rock in the tunneling process, so that the third cutting knife and the third leading knife are ensured to be in contact with the rock in advance when the tunneling operation is started, the first leading knife and the first cutting knife on the first main spoke arm, the second leading knife and the second cutting knife on the second main spoke arm are protected, and the service life of the cutter head is prolonged. In the process of the rotation tunneling of the cutter head, the third single-blade hob can cut rocks or gravels on the circumferential direction of the cutter head, the tunneling efficiency under the rock environment is improved, the first mounting bin is arranged on the first main spoke arm, the first single-blade hob and the second single-blade hob are arranged in the first mounting bin, the rock layer on the circumferential direction of the cutter head is tunneled by the aid of the double knives, the tunneling efficiency and the tunneling quality are improved, and soil materials generated in the tunneling process are transmitted through the first injection hole. According to the invention, the single-edge hob, the cutting knife and the pilot knife on the first main spoke arm, the second main spoke arm and the third main spoke arm are distributed, so that the single-edge hob, the cutting knife and the pilot knife are stressed more uniformly, the tunneling efficiency and the tunneling quality of the tunneling machine in a rock environment are improved, in addition, the service life of the knife on each main spoke arm can be reduced to the maximum extent through the distribution of the knife on the cutterhead, and the service life of the tunneling machine is further prolonged.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
FIG. 1 is a front view of a shield tunneling machine cutterhead for use in a multi-rock environment in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is a schematic structural diagram of an eighth single-edge hob and a ninth single-edge hob in a cutter head of a shield tunneling machine applied to a multi-rock environment according to an embodiment of the present invention;
FIG. 4 is an enlarged partial schematic view at B of FIG. 3;
fig. 5 is a partially enlarged schematic view at C in fig. 1.
The figures are numbered:
1. a cutter disc frame; 2. protecting the knife; 3. a first main spoke arm; 4. a first look ahead cutter; 5. a first cutting blade; 6. a third single-edged hob; 7. a first installation bin; 8. a first injection hole; 9. a third look ahead cutter; 10. an auxiliary knife; 11. a fifth installation bin; 12. a first wear detection knife; 13. a second single-edged hob; 14. a third main spoke arm; 15. a second mounting bin; 16. a second injection hole; 17. a fifth single-blade hob; 18. a third installation bin; 19. a fourth installation bin; 20. a first single-edged hob; 21. a front working face; 22. a second cutting blade; 23. a fourth single-blade hob; 24. a third cutting blade; 25. a second look ahead cutter; 26. a second wear detection blade; 27. an eighth single-edged hob; 28. a ninth single-edged hob; 29. a first rotating shaft; 30. a baffle plate; 31. a sixth installation bin; 32. a second main spoke arm; 33. clamping the shaft sleeve; 34. mounting a plate; 35. a first piston; 36. a second piston; 37. a mounting seat; 38. a buffer plate; 39. a second rotating shaft; 40. a guide wheel; 41. a piston shaft; 42. a spring; 43. reinforcing the frame; 44. a fan-shaped wear-resistant cover; 45. a seventh installation bin; 46. a tenth single-edged hob; 47. an eighth installation bin; 48. an eleventh single-edged hob; 49. a seventh single-edged hob; 50. and a sixth single-blade hob.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the following description, the appearances of the indicating orientation or positional relationship such as the terms "inner", "outer", "upper", "lower", "left", "right", etc. are only for convenience in describing the embodiments and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
A cutterhead of a shield tunneling machine according to an embodiment of the present invention is described below with reference to fig. 1 to 5, the cutterhead being used in a shield tunneling machine for excavating a tunnel.
As shown in fig. 1 to 5, a shield tunneling machine cutterhead applied to a multi-rock environment according to an embodiment of the present invention includes: the cutter head frame 1 is provided with a front working surface 21 and a rear assembling surface opposite to the front working surface 21, the first main spoke arm 3, the second main spoke arm 32 and the third main spoke arm 14 are arranged on the cutter head frame 1 at intervals along the circumferential direction of the cutter head frame 1, and the inner ends of the first main spoke arm 3, the second main spoke arm 32 and the third main spoke arm 14 are connected with each other and distributed in a staggered mode on the front working surface 21.
The cutter frame is characterized in that a third single-edge hob 6 is installed on one side, close to the periphery of the cutter frame 1, of the first main spoke arm 3, first leading cutters 4 arranged at intervals are arranged on two sides of the first main spoke arm 3, a first cutting cutter 5 is arranged on one side, close to the periphery of the cutter frame 1, of the first main spoke arm 3, a first installation bin 7 is further arranged on the first main spoke arm 3, a first single-edge hob 20 and a second single-edge hob 13 are installed in the first installation bin 7, and a first injection hole 8 is further formed in the first main spoke arm 3.
A second mounting bin 15 is arranged on one side, close to the periphery of the cutter disc frame 1, of the second main spoke arm 32, a fourth single-edge hob 23 is mounted in the second mounting bin 15, second pilot cutters 25 are arranged on two sides of the second main spoke arm 32 at intervals, and second cutting cutters 22 are arranged on one side, close to the periphery of the cutter disc frame 1, of the second main spoke arm 32.
Third mounting bins 18 are symmetrically arranged on the third main spoke arm 14 relative to the center of the third main spoke arm 14, fifth single-edge hobs 17 are mounted in the third mounting bins 18, a fourth mounting bin 19 is arranged at the center of the third main spoke arm 14, a plurality of sixth single-edge hobs 50 are mounted in the fourth mounting bin 19, third pilot cutters 9 arranged at intervals are arranged on two sides of the third main spoke arm 14, a third cutting cutter 24 is arranged on one side, close to the periphery of the cutter disc frame 1, of the third main spoke arm 14, a second filling hole 16 is further arranged on the third main spoke arm 14, a fifth mounting bin 11 is arranged on one side, close to the periphery of the cutter disc frame 1, of the third main spoke arm 14, and a seventh single-edge hob 49 is mounted in the fifth mounting bin 11.
The cutter head in the embodiment of the invention is applied to a shield machine in a multi-rock environment, the first main spoke arm 3, the second main spoke arm 32 and the third main spoke arm 14 are arranged at intervals in the circumferential direction of the cutter head frame 1, and the inner ends of the first main spoke arm 3, the second main spoke arm 32 and the third main spoke arm 14 are connected with each other and are distributed in a staggered manner, so that the first main spoke arm 3, the second main spoke arm 32 and the third main spoke arm 14 are better in working stability and more uniform in stress when the cutter head rotates, in addition, as can be seen from the attached drawing 1, the third main spoke arm 14 is arranged at one side far away from the cutter head frame 1, in such a way, a plurality of sixth single-edge cutters 50 on the third main spoke arm 14 can be used for bearing main tunneling work, in the embodiment, the number of the sixth single-edge cutters 50 is 8, so that the third main spoke arm 14 can be effectively ensured to bear the main tunneling work, the tunneling efficiency is improved, in addition, for the tunneling work in a rocky environment, the tunneling speed and the tunneling quality can be guaranteed by the 8 sixth single-edge hobs 50, the tunneling pressure of the first main spoke arm 3 and the second main spoke arm 32 is shared, and the service lives of the hobs and the cutters on the first main spoke arm 3 and the second main spoke arm 32 are prolonged. In addition, the third cutting knife 24 and the third front knife 9 on the third main spoke arm 14 are used for cutting the rock during the tunneling process, so that the third cutting knife 24 and the third front knife 9 are ensured to contact the rock firstly when the tunneling operation is started, the first front knife 4 and the first cutting knife 5 on the first main spoke arm 3 are protected, and the second front knife 25 and the second cutting knife 22 on the second main spoke arm 32 are protected, and the service life of the cutterhead is prolonged. In the process of the cutter head rotating tunneling, the third single-blade hob 6 can cut rocks or gravels on the circumferential direction of the cutter head, the tunneling efficiency under the rock environment is improved, the first mounting bin 7 is arranged on the first main spoke arm 3, the first single-blade hob 20 and the second single-blade hob 13 are arranged in the first mounting bin 7, the rock layer on the circumferential direction of the cutter head is tunneled by the aid of the double knives, the tunneling efficiency and the tunneling quality are improved, and soil materials generated in the tunneling process are transmitted through the first injection hole 8.
In the present embodiment, the third single-edged hob 6 is arranged parallel to the cutter head frame 1. Through making third single-edged hob 6 and cutter head frame 1 parallel arrangement, so can realize cutting the rock in cutter head frame 1 circumference, so can improve the efficiency and the quality of tunnelling.
In this embodiment, the first single-edged hob 20, the second single-edged hob 13, the fourth single-edged hob 23, the fifth single-edged hob 17 and the sixth single-edged hob are all vertically distributed with the cutter head frame 1. The first single-edge hob 20, the second single-edge hob 13, the fourth single-edge hob 23, the fifth single-edge hob 17 and the sixth single-edge hob are all vertically distributed with the cutterhead frame 1, so that the tunneling efficiency and quality can be improved.
In this embodiment, the first main spoke arm 3 is provided with a first wear detection blade 12, and the second main spoke arm 32 is provided with a second wear detection blade 26. The first abrasion detection knife 12 and the second abrasion detection knife 26 can ensure the stability of the tunneling process, and monitor the abrasion condition of the tunneling knife in real time to ensure the tunneling efficiency.
In this embodiment, an auxiliary knife 10 is provided outside the first main spoke arm 3. By providing the auxiliary blade 10 outside the first main spoke arm 32, the auxiliary blade 10 can ensure an emergency situation and ensure stability of the heading machine during use.
In this embodiment, the periphery of the cutter head frame 1 is provided with a plurality of spaced guard blades 2. The protective knives 2 arranged at intervals are arranged on the periphery of the cutterhead frame 1, so that the service life of the cutterhead can be prolonged.
In this embodiment, a sixth installation bin 31 is arranged on the second main spoke arm 32, an eighth single-edge hob 27 and a ninth single-edge hob 28 are installed in the sixth installation bin 31, a first rotating shaft 29 is connected between the eighth single-edge hob 27 and the ninth single-edge hob 28, and a baffle 30 is arranged between the eighth single-edge hob 27 and the ninth single-edge hob 28. In the tunneling process, the sixth installation bin 31 is arranged on the second main spoke arm 32, the first rotating shaft 29 is installed in the sixth installation bin 31, the eighth single-edge hob 27 and the ninth single-edge hob 28 are installed on the first rotating shaft 29, and the baffle 30 is used for blocking between the eighth single-edge hob 27 and the ninth single-edge hob 28, so that the eighth single-edge hob 27 and the ninth single-edge hob 28 do not interfere with each other, and the tunneling efficiency and quality can be improved.
In this embodiment, the joint axle sleeve 33 has been cup jointed to the periphery of first pivot 29, joint axle sleeve 33 is equipped with a pair ofly, joint axle sleeve 33 is located the one side of eighth single-edged hobbing cutter 27 and ninth single-edged hobbing cutter 28 respectively, mounting panel 34 has been cup jointed to the periphery of joint axle sleeve 33, buffer board 38 is installed to the one side that ninth single-edged hobbing cutter 28 is close to mounting panel 34, first piston 35 is installed to one side that mounting panel 34 is close to buffer board 38 to mounting panel 34, piston shaft 41 is installed to one side that mounting panel 34 was kept away from to first piston 35, second piston 36 is kept away from the one end of piston shaft 41 and is installed mount pad 37, install second pivot 39 on the mount pad 37, leading wheel 40 is installed to the second pivot 39 periphery, leading wheel 40 and buffer board 38 contact arrangement, a spring 42 is arranged between the first piston 35 and the second piston 36, and the spring 42 is sleeved on the periphery of the piston shaft 41. Through having cup jointed joint axle sleeve 33 in the periphery of first pivot 29, joint axle sleeve 33 is equipped with a pair ofly, joint axle sleeve 33 is located the one side of eighth single-edged hob 27 and ninth single-edged hob 28 respectively, mounting panel 34 has been cup jointed to the periphery of joint axle sleeve 33, buffer plate 38 is installed to the one side that ninth single-edged hob 28 is close to mounting panel 34, first piston 35 is installed to the one side that mounting panel 34 is close to buffer plate 38, piston shaft 41 and second piston 36, utilize piston shaft 41 to stretch out and draw back in first piston 35 and second piston 36, the rocking of realizing when eighth single-edged hob 27 and ninth single-edged hob 28 use cushions the shock attenuation, the stability when eighth single-edged hob 27 and ninth single-edged hob 28 use has so been guaranteed, so can improve the efficiency and the quality of blade disc tunnelling.
In this embodiment, install reinforcing frame 43 on the preceding working face 21, install seventh installation bin 45 on the reinforcing frame 43, install tenth single-edged hob 46 in the seventh installation bin 45, install eighth installation bin 47 in reinforcing frame 43 and being close to the cutter disc frame 1 circumference, install eleventh single-edged hob 48 in the eighth installation bin 47, tenth single-edged hob 46 and cutter disc frame 1 vertical distribution, eleventh single-edged hob 48 and cutter disc frame 1 inclined distribution, reinforcing frame 43 installs fan-shaped wear-resisting cover 44 with preceding working face 21 linking department. The reinforcing frame 43 is arranged on the front working face 21, the seventh mounting bin 45 and the eighth mounting bin 47 are arranged on the reinforcing frame 43, the tenth single-edge hob 46 and the eleventh single-edge hob 48 are respectively arranged in the seventh mounting bin 45 and the eighth mounting bin 47, so that the force application area of the hobs in the tunneling process is increased, the tunneling efficiency is improved, in addition, the fan-shaped wear-resistant cover 44 is arranged at the joint of the reinforcing frame 43 and the front working face 21, so that the damage of rocks to the cutter frame 1 can be reduced, and the service life of the cutter head is prolonged.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (7)
1. The utility model provides a shield constructs quick-witted blade disc for under multi-rock environment which characterized in that includes: the cutter head frame is provided with a front working surface and a rear assembling surface opposite to the front working surface, the first main spoke arm, the second main spoke arm and the third main spoke arm are arranged on the cutter head frame at intervals along the circumferential direction of the cutter head frame, and the inner ends of the first main spoke arm, the second main spoke arm and the third main spoke arm are connected with each other and distributed in a staggered manner on the front working surface;
a third single-edge hob is mounted on one side, close to the periphery of the cutter disc frame, of the first main spoke arm, first pilot cutters are arranged on two sides of the first main spoke arm at intervals, a first cutting cutter is arranged on one side, close to the periphery of the cutter disc frame, of the first main spoke arm, a first mounting bin is further arranged on the first main spoke arm, the first single-edge hob and the second single-edge hob are mounted in the first mounting bin, and a first filling hole is further formed in the first main spoke arm;
a second mounting bin is arranged on one side, close to the periphery of the cutter disc frame, of the second main spoke arm, a fourth single-edge hob is mounted in the second mounting bin, second pilot cutters are arranged on two sides of the second main spoke arm at intervals, and second cutting cutters are arranged on one side, close to the periphery of the cutter disc frame, of the second main spoke arm;
third mounting bins are symmetrically arranged on the third main spoke arm relative to the center of the third main spoke arm, fifth single-edge hobs are mounted in the third mounting bins, a fourth mounting bin is arranged at the center of the third main spoke arm, a plurality of sixth single-edge hobs are mounted in the fourth mounting bins, third pilot cutters arranged at intervals are arranged on two sides of the third main spoke arm, a third cutting cutter is arranged on one side, close to the periphery of the cutter disc frame, of the third main spoke arm, a second injection hole is further formed in the third main spoke arm, a fifth mounting bin is arranged on one side, close to the periphery of the cutter disc frame, of the third main spoke arm, and a seventh single-edge hob is mounted in the fifth mounting bin;
a sixth installation bin is arranged on the second main spoke arm, an eighth single-edge hob and a ninth single-edge hob are installed in the sixth installation bin, a first rotating shaft is connected between the eighth single-edge hob and the ninth single-edge hob, and a baffle is arranged between the eighth single-edge hob and the ninth single-edge hob;
the clamping shaft sleeve is sleeved on the periphery of the first rotating shaft and provided with a pair of clamping shaft sleeves, the clamping shaft sleeves are respectively located on one sides of an eighth single-edge hob and a ninth single-edge hob, a mounting plate is sleeved on the periphery of the clamping shaft sleeve, a buffer plate is mounted on one side, close to the mounting plate, of the ninth single-edge hob, a first piston is mounted on one side, close to the buffer plate, of the mounting plate, a piston shaft is mounted on one side, far away from the mounting plate, of the first piston, a second piston is mounted on one side, far away from the first piston, of the piston shaft, a mounting seat is mounted at one end, far away from the piston shaft, of the second piston, a second rotating shaft is mounted on the mounting seat, a guide wheel is mounted on the periphery of the second rotating shaft, the guide wheel is arranged in contact with the buffer plate, a spring is arranged between the first piston and the second piston, and the spring is sleeved on the periphery of the piston shaft;
install on the preceding working face and add the stationary frame, add and install seventh installation storehouse on the stationary frame, install tenth single-edged hob in the seventh installation storehouse, add and just upward install eighth installation storehouse near the blade disc frame week in the stationary frame, install eleventh single-edged hob in the eighth installation storehouse, tenth single-edged hob and blade disc frame vertical distribution, eleventh single-edged hob and blade disc frame slope distribution, add stationary frame and preceding working face linking department and install fan-shaped wearing cover.
2. The shield tunneling machine cutterhead for use in a multi-rock environment of claim 1, wherein said third single-edged hob is disposed parallel to the cutterhead frame.
3. The shield tunneling machine cutterhead for use in rocky environments of claim 1, wherein said first, second, fourth, fifth and sixth single-edged hobs are all vertically disposed with respect to the cutterhead frame.
4. The shield tunneling machine cutterhead for use in multi-rock environments of claim 1, wherein a first wear detection knife is provided on said first main spoke arm.
5. The shield tunneling machine cutterhead for use in multi-rock environments of claim 1, wherein a second wear detection knife is provided on said second main spoke arm.
6. The shield tunneling machine cutterhead for use in multi-rock environments as claimed in claim 1, wherein auxiliary knives are provided on the outside of said first main spoke arm.
7. The shield tunneling machine cutterhead for use in a multi-rock environment of claim 1, wherein the periphery of the cutterhead frame is provided with a plurality of spaced apart guard blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105323.2A CN111206939B (en) | 2020-02-20 | 2020-02-20 | Shield tunneling machine cutter head applied to multi-rock environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105323.2A CN111206939B (en) | 2020-02-20 | 2020-02-20 | Shield tunneling machine cutter head applied to multi-rock environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111206939A CN111206939A (en) | 2020-05-29 |
| CN111206939B true CN111206939B (en) | 2022-02-11 |
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| CN202010105323.2A Active CN111206939B (en) | 2020-02-20 | 2020-02-20 | Shield tunneling machine cutter head applied to multi-rock environment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112360493B (en) * | 2020-11-11 | 2022-11-22 | 安徽唐兴装备科技股份有限公司 | Telescopic pipe jacking machine cutter head |
| CN113356867B (en) * | 2021-04-26 | 2023-05-09 | 中国建筑股份有限公司 | Shield tunneling machine cutterhead, hob used on shield tunneling machine cutterhead and shield tunneling machine |
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| CN111206939A (en) | 2020-05-29 |
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