CN112922629B - Cutter head driving mechanism of push bench - Google Patents
Cutter head driving mechanism of push bench Download PDFInfo
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- CN112922629B CN112922629B CN202110303676.8A CN202110303676A CN112922629B CN 112922629 B CN112922629 B CN 112922629B CN 202110303676 A CN202110303676 A CN 202110303676A CN 112922629 B CN112922629 B CN 112922629B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of push bench, in particular to a push bench cutter head driving mechanism, which comprises: the gear ring I, the gear ring II, the transmission mechanism I and the transmission mechanism II; the tooth ratio of the first gear ring is smaller than that of the second gear ring, and a supporting tube, a connecting ring and a bearing are arranged inside the first gear ring; the gear ring I is used for driving a cutter head of the pipe jacking machine; the supporting tube is coaxially arranged inside the first gear ring, and the first gear ring and the supporting tube are fixed through the outer wall surface and the inner wall surface of the connecting ring, wherein teeth of the first gear ring face the supporting tube; a bearing is arranged on the outer wall surface of the supporting tube, the supporting tube is fixed by the inner ring of the bearing, and the gear ring II is fixed by the outer ring of the bearing; the gear ring II rotates at a high speed to store energy through the gear III, the gear ring II is connected with the connecting piece I through the connecting piece I, the driving device respectively connected with the shaft I and the shaft II acts together with the gear I, meanwhile, the convex block is meshed with the groove, the torque of the gear ring I is instantly increased through the inertia force of the gear II and the torque of the gear I, and the cutter head is released.
Description
Technical Field
The invention belongs to the technical field of push bench, and particularly relates to a cutter head driving mechanism of a push bench.
Background
The conventional TBM cutter head driving system mainly comprises: a double-speed motor main drive mode and a hydraulic motor auxiliary drive mode and a variable frequency motor drive mode; the main drive of double speed motor + hydraulic motor auxiliary drive mode has the problem mainly:
1. the speed cannot be continuously regulated, and the geological adaptability is poor;
2. the transmission mechanism is complex, the failure rate is high, and the tunneling speed is influenced;
3. the hydraulic motor and the motor cannot be driven simultaneously;
therefore, the current main driving mode is the variable frequency motor driving mode, and although the variable frequency motor can output larger torque compared with a common motor at low speed, the torque for getting rid of the difficulty of the variable frequency motor driving mode is limited due to the limitation of the maximum electromagnetic torque. When the variable frequency motor is just started, the driving characteristic of the variable frequency motor is poor, so the existing difficulty in getting rid of the trouble is still a technical problem to be solved in the TBM industry.
Disclosure of Invention
The invention aims to generate inertia force through high-speed rotation of a gear ring so as to enable a cutter head to get rid of difficulties.
The purpose of the invention can be realized by the following technical scheme:
the pipe jacking machine cutter head driving mechanism comprises a gear ring I, a gear ring II, a transmission mechanism I and a transmission mechanism II;
a supporting pipe, a connecting ring and a bearing are arranged inside the gear ring I; the supporting tube is coaxially arranged inside the gear ring I, the gear ring I is fixedly connected with the supporting tube through the outer wall surface of the connecting ring, and a plurality of grooves are formed in the outer wall surface of the connecting part of the supporting tube and the connecting ring; a bearing is arranged on the outer wall surface of the supporting tube, and a gear ring II is fixed on an outer ring of the bearing;
the smooth surface of one side of the gear ring II faces the connecting ring, and the convex teeth on the other side of the gear ring II are parallel to one end part of the gear ring; rectangular grooves are formed in the inner wall of the smooth surface of one side of the gear ring II, the number of the rectangular grooves is the same as that of the grooves, and convex blocks are arranged in the rectangular grooves of the gear ring II respectively; the lug is in sliding connection with the rectangular groove through an electric push rod;
the first transmission mechanism and the second transmission mechanism are connected into a group, and a plurality of groups of transmission mechanisms are arranged at the gap between the first gear ring and the second gear ring at equal intervals;
the first transmission mechanism comprises: the device comprises a first shaft, a first baffle, a first gear, a first connecting piece, a second gear and a second connecting piece; one end of the first shaft is connected with a driving device, the other end of the first shaft extends into a gap between the first gear ring and the second gear ring, and the extension length of the first shaft exceeds the teeth of the second gear ring;
the part of the first shaft, which is positioned in the first gear ring, is provided with threads, and the extending end of the first shaft is provided with a first baffle plate; a circular through hole with the same diameter as the first shaft is formed in the center of the first gear, and threads are formed in the inner wall of the circular through hole; the first gear is meshed with the first shaft through threads, and the first gear is meshed with the first gear ring;
the first connecting piece comprises: the device comprises a pipe, a first sliding ring, a spring and a butting block; the inner diameter of the pipe is larger than that of the first shaft, and one end of the pipe is coaxially fixed with the gear; the first slip ring is fixed on the pipe, and the spring surrounds the outer side of the pipe; the abutting blocks are fixed on the outer wall of one end of the pipe fixing gear, which is opposite to the pipe fixing gear, the abutting blocks are arranged annularly along the axis of the pipe, and the axis of the pipe is vertical; the second connecting piece is nested in the outer side of the first connecting piece, and one end, facing the first gear, of the second connecting piece is provided with a second sliding ring; the second sliding ring is attached to the pipe, and the spring is located between the second sliding ring and the first sliding ring; the two gear shafts are provided with circular through holes, the vertical wall surfaces of the two sides of the two gear shafts are respectively provided with a limiting plate, the vertical wall surface of one side of each limiting plate is connected with the two end parts of the connecting piece, the inner wall of the other limiting plate is provided with a plurality of push plates, and the pipe penetrates through the two gear shafts and the two limiting plates.
As a further scheme of the invention, a plurality of electric push rods provide electric energy through the conducting rings.
As a further scheme of the invention, a balance weight is arranged on the second gear ring.
As a further scheme of the invention, one side wall surface of the groove along the first rotation direction of the gear ring is a slope surface which inclines downwards, one side wall surface of the lug along the second rotation direction of the gear ring is an inclined slope surface, and the inclined slope surface of the side wall of the lug is matched with the slope surface of the side wall of the groove.
As a further scheme of the invention, the limiting plate is annular, the diameter of the limiting plate is larger than that of the second gear, and the inner diameter of the limiting plate is the same as that of the circular through hole of the second gear.
In a further aspect of the present invention, the driving device is composed of a variable frequency motor and a speed reducer.
As a further aspect of the present invention, the second transmission mechanism includes: a second shaft, a second baffle and a third gear;
the second shaft is a rectangular rod, one end of the second shaft is connected with the driving device, and the other end of the second shaft extends into a gap between the first gear ring and the second gear ring and is positioned below one side of the first shaft; the extension length of the second shaft is greater than the tooth width of the second gear ring and less than that of the first shaft, and a second baffle is arranged at the extension end of the second shaft; a rectangular through hole with the same size as the second shaft is formed in the axis of the third gear, the third gear is nested on the second shaft, one side of the third gear is meshed with the second gear ring, and the other side of the third gear is meshed with the second gear; and the driving direction of the driving device connected with the first shaft is opposite to that of the second shaft.
The invention has the beneficial effects that:
the gear ring II rotates at a high speed to store energy through the gear III, the gear ring II is connected with the connecting piece I through the connecting piece I, the driving device respectively connected with the shaft I and the shaft II acts on the gear I together, meanwhile, the convex block is meshed with the groove, the torque of the gear ring I is instantly increased through the inertia force of the gear II and the torque of the gear I, and the cutter head is made to get rid of difficulties.
Drawings
The invention is described in further detail below with reference to the figures and the specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic side view of the present invention.
FIG. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a schematic structural diagram of the transmission mechanism of the present invention.
Fig. 5 is an exploded view of the transmission mechanism of the present invention.
FIG. 6 is a schematic view of the horizontal movement of the driving mechanism of the present invention.
Fig. 7 is a schematic diagram of the motion of the transmission mechanism of the present invention.
FIG. 8 is a schematic view of a bump-engaging recess according to the present invention.
FIG. 9 is a schematic view of the first ring gear and the rotating mechanism of the present invention.
As shown in figures 1-9: 1. a first gear ring; 2. a gear ring II; 3. a first transmission mechanism; 4. a second transmission mechanism; 12. supporting a tube; 13. a connecting ring; 14. a bearing; 22. a bump; 23. an electric push rod; 31. a first shaft; 32. a first baffle plate; 33. a first gear; 34. a first connecting piece; 35. a second gear; 36. a second connecting piece; 41. a second shaft; 42. a second baffle plate; 43. a third gear; 121. a groove; 341. a tube; 342. a slip ring I; 343. a spring; 344. a butting block; 351. a limiting plate; 352. pushing the plate; 361. and a second slip ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the cutter head driving mechanism of the push bench comprises: the gear ring I1, the gear ring II 2, the transmission mechanism I3 and the transmission mechanism II 4;
the tooth ratio of the first gear ring 1 is smaller than that of the second gear ring 2, and as shown in fig. 2-3, a support tube 12, a connecting ring 13 and a bearing 14 are arranged inside the first gear ring 1; the gear ring I1 is used for driving a cutter head (not shown) of the push bench;
the supporting tube 12 is coaxially arranged inside the gear ring I1, the gear ring I1 and the supporting tube 12 are fixed through the outer wall surface and the inner wall surface of the connecting ring 13, the teeth of the gear ring I1 face the supporting tube 12, and a plurality of grooves 121 are formed in the outer wall surface of the connecting position of the supporting tube 12 and the connecting ring 13;
one side wall surface of the groove 121 in the rotation direction of the first gear ring 1 is a slope surface inclined downwards;
a bearing 14 is arranged on the outer wall surface of the support pipe 12, the support pipe 12 is fixed by the inner ring of the bearing 14, and the gear ring II 2 is fixed by the outer ring of the bearing 14;
the teeth of the second gear ring 2 are opposite to the teeth of the first gear ring 1, a certain distance is reserved between the teeth, the tooth width of the second gear ring 2 is smaller than that of the first gear ring 1, one side of the outer wall surface of the second gear ring 2 is a smooth surface, the other side of the outer wall surface of the second gear ring 2 is provided with convex teeth, the smooth surface of one side of the second gear ring 2 faces the connecting ring 13, the convex teeth on the other side of the outer wall surface of the second gear ring 2 are parallel to the end part of the first gear ring 1, a balance weight is arranged on the second gear ring 2 and is used for enabling the second gear ring 2 to return to an initial angle after rotating, and the weight of the balance weight is small;
rectangular grooves are formed in the inner wall of the smooth surface of one side of the gear ring II 2, the number of the rectangular grooves is the same as that of the grooves 121, protruding blocks 22 are arranged in the rectangular grooves of the gear ring II 2 respectively, and the protruding blocks 22 are connected with the rectangular grooves in a sliding mode through electric push rods 23; one side wall surface of the lug 22 along the rotation direction of the gear ring II 2 is an inclined slope surface;
the plurality of electric push rods 23 provide electric energy through the conducting rings, wherein the output shafts of the electric push rods 23 are connected with the bumps 22, so that power required by stretching and retracting of the bumps 22 is provided; the size of the bump 22 is smaller than that of the groove 121;
the inclined slope surface of the side wall of the convex block 22 can be engaged with the slope surface of the side wall of the groove 121, and the purpose is to change the stress direction of the convex block 22 and the supporting tube 12, and prevent the gear ring I1 from being over-stressed and forcibly pushing back the convex block 22 or preventing the convex block 22 from being broken;
the number of the first transmission mechanisms 3 is the same as that of the second transmission mechanisms 4, and the plurality of the first transmission mechanisms 3 and the second transmission mechanisms 4 are connected into a group and are arranged at the gap between the first gear ring 1 and the second gear ring 2 at equal intervals;
as shown in fig. 4, the first transmission mechanism 3 includes: the first shaft 31, the first baffle 32, the first gear 33, the first connecting piece 34, the second gear 35 and the second connecting piece 36;
one end of the first shaft 31 is connected with the driving device, the other end of the first shaft 31 extends into a gap between the first gear ring 1 and the second gear ring 2, the extension length of the first shaft 31 exceeds the teeth of the second gear ring 2, the part of the first shaft 31, which is positioned in the first gear ring 1, is provided with threads, and the extension end of the first shaft 31 is provided with a first baffle 32;
the first gear 33 is provided with a circular through hole with the same diameter as the first shaft 31 along the center, the inner wall of the circular through hole is provided with threads, the threads of the first gear 33 are meshed with the threads of the first shaft 31, and the first gear 33 is meshed with the first gear ring 1;
as shown in fig. 5, the first connecting member 34 includes: a tube 341, a first slip ring 342, a spring 343, and an engaging block 344;
the inner diameter of the tube 341 is larger than that of the first shaft 31, and one end of the tube 341 is coaxially fixed with the first gear 33;
the first slip ring 342 is fixed on the tube 341, the spring 343 surrounds the tube 341, and the spring 343 is of a compression type;
the number of the abutting blocks 344 is multiple, the abutting blocks 344 are fixed on the outer wall of the opposite end of the fixed gear I33 of the tube 341, the abutting blocks 344 are arranged annularly along the axis of the tube 341, and the abutting blocks 344 are perpendicular to the axis of the tube 341;
the second connecting piece 36 is cylindrical, the inner diameter of the second connecting piece 36 is the same as that of the first sliding ring 342, the second connecting piece 36 is nested in the first connecting piece 34, a second sliding ring 361 is arranged at one end, facing the first gear 33, of the second connecting piece 36, the second sliding ring 361 is attached to the pipe 341, the spring 343 is located between the second sliding ring 361 and the first sliding ring 342, and when the first connecting piece 34 moves to one side, the second connecting piece 36 is driven to move in the same direction through the stress of the spring 343;
a circular through hole is formed in the axis of the second gear 35, the diameter of the circular through hole of the second gear 35 is larger than that of the first connecting piece 34, limiting plates 351 are respectively arranged on the vertical wall surfaces of the two sides of the second gear 35, the limiting plates 351 are annular, the diameter of the limiting plates 351 is larger than that of the second gear 35, the inner diameter of the limiting plates 351 is the same as that of the circular through hole of the second gear 35, the vertical wall surface of one side of each limiting plate 351 is connected with the end portion of the second connecting piece 36, and a plurality of push plates 352 are arranged on the inner wall of the other limiting plate 351; the number of the push plates 352 is the same as that of the abutting blocks 344, and the tube 341 penetrates through the second gear 35 and the two limit plates 351;
the second transmission mechanism 4 comprises: a second shaft 41, a second baffle 42 and a third gear 43;
the second shaft 41 is a rectangular rod, one end of the second shaft 41 is connected with the driving device, the other end of the second shaft 41 extends into a gap between the first gear ring 1 and the second gear ring 2 and is positioned below one side of the first shaft 31, the extending length of the second shaft 41 is greater than that of the teeth of the second gear ring 2 and smaller than that of the first shaft 31, and the extending end of the second shaft 41 is provided with a second baffle plate 42;
a rectangular through hole with the same size as the second shaft 41 is formed in the axis of the third gear 43, so that the third gear 43 is nested on the second shaft 41, one side of the third gear 43 is meshed with the second gear ring 2, and the other side of the third gear is meshed with the second gear 35;
the driving device for connecting the second shaft 41 and the first shaft 31 has an opposite driving direction, and the driving device comprises: the variable frequency motor and the reducer control the cutter head to keep consistent after angle after stopping rotation every time through the driving device.
The working principle of the invention is as follows:
the driving device is started to drive the first shaft 31 and the second shaft 41 to rotate, as shown in fig. 6, the third gear 43 drives the second gear ring 2 to rotate, the first shaft 31 enables the first gear 33 to move horizontally forward through the threads and the stress of the first gear ring 1, the second gear 35 is driven to move through the first connector 34 and the second connector 36, and then the third gear 43 moves along with the first gear ring 43 through the two limiting plates 351 until the third gear 43 is separated from the second gear ring 2 and attached to the second baffle plate 42, in the process, the third gear 43 outputs power to the second gear ring 2 to enable the second gear ring 2 to store energy in a rotating mode, as shown in fig. 7, the third gear 43 is attached to the second baffle plate 42 to stop moving, so that the second gear 35 and the second connector 36 are positioned, after the first shaft 31 continues to rotate, for example, after the first shaft 31 rotates for one circle, the first gear 33 is attached to the first baffle plate 32, at the moment, the spring 343 is compressed between the first sliding ring 342 and the second sliding ring 361, the plurality of abutting blocks 344 enter the gap between the adjacent push plates 352 forward, so that the power of the driving device connecting the first shaft 31 and the second shaft 41 coacts with the first gear ring 1, as shown in fig. 8, the output shaft of the electric push rod 23 pushes the projection 22 forward to enter one side of the groove 121, and then the inclined slope of the projection 22 engages with the slope of the groove 121, as shown in fig. 9, the second gear ring 2 uses the inertia force in the same rotation direction as the first gear ring 1 to the first gear ring 1, and the torque output by the first gear 33 to the first gear ring 1 coacts with the first gear ring 1 to increase the torque of the cutter head instantaneously, so that the cutter head is released, after the second gear ring 2 finishes acting on the first gear ring 1, the electric push rod 23 pulls back the projection 22, and the second gear ring 2 returns to the initial angle by the balance weight on the second gear ring 2, and when the intermediate gear needs to be increased, the driving device controls the first gear ring 1 to return to the initial angle, so as to drive the first gear ring 33, the second gear 35, the push plate 352, the abutting block 344 and the third gear 43 rotate to an initial angle, at this time, the driving device connected with the first shaft 31 rotates reversely, the first gear 33 moves backwards and horizontally through the thread of the first shaft 31, so that the first connecting piece 34 and the second connecting piece 36 return to the initial position, and the third gear 43 is meshed with the second gear 35 again in the resetting process.
The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The pipe pushing jack cutter head driving mechanism comprises a gear ring I (1), a gear ring II (2), a transmission mechanism I (3) and a transmission mechanism II (4); the method is characterized in that:
a supporting pipe (12), a connecting ring (13) and a bearing (14) are arranged inside the gear ring I (1); the supporting tube (12) is coaxially arranged inside the gear ring I (1), the gear ring I (1) is fixedly connected with the supporting tube (12) through the outer wall surface of the connecting ring (13), and a plurality of grooves (121) are formed in the outer wall surface of the connecting part of the supporting tube (12) and the connecting ring (13); a bearing (14) is arranged on the outer wall surface of the supporting pipe (12), and a second gear ring (2) is fixed on the outer ring of the bearing (14);
the smooth surface of one side of the second gear ring (2) faces the connecting ring (13), and the convex teeth on the other side of the second gear ring are parallel to the end part of the first gear ring (1); rectangular grooves are formed in the inner wall of the smooth surface of one side of the second gear ring (2), the number of the rectangular grooves is the same as that of the grooves (121), and the rectangular grooves of the second gear ring (2) are respectively provided with a convex block (22); the lug (22) is in sliding connection with the rectangular groove through an electric push rod (23);
the transmission mechanism I (3) and the transmission mechanism II (4) are connected into a group, and a plurality of groups of transmission mechanisms are equidistantly arranged at the gap between the gear ring I (1) and the gear ring II (2);
the first transmission mechanism (3) comprises: the device comprises a first shaft (31), a first baffle (32), a first gear (33), a first connecting piece (34), a second gear (35) and a second connecting piece (36); one end of the first shaft (31) is connected with a driving device, the other end of the first shaft (31) extends into a gap between the first gear ring (1) and the second gear ring (2), and the extending length of the first shaft (31) exceeds the teeth of the second gear ring (2);
the part of the first shaft (31) located in the first gear ring (1) is provided with threads, and the extending end of the first shaft (31) is provided with a first baffle (32); a circular through hole with the same diameter as the shaft I (31) is formed in the center of the gear I (33), and threads are formed in the inner wall of the circular through hole; the threads of the first gear (33) are meshed with the threads of the first shaft (31), and the first gear (33) is meshed with the first gear ring (1);
the first connector (34) comprises: the device comprises a pipe (341), a first slip ring (342), a spring (343) and an abutting block (344); the inner diameter of the pipe (341) is larger than that of the first shaft (31), and one end of the pipe (341) is coaxially fixed with the first gear (33); the first sliding ring (342) is fixed on the tube (341), and the spring (343) surrounds the outer side of the tube (341); the abutting blocks (344) are fixed on the outer wall of one end, opposite to the fixed gear I (33), of the pipe (341), and the abutting blocks (344) are arranged in a ring shape along the axis of the pipe (341) and are perpendicular to the axis of the pipe (341); the second connecting piece (36) is nested outside the first connecting piece (34), wherein a second sliding ring (361) is arranged at one end, facing the first gear (33), of the second connecting piece (36); the second sliding ring (361) is attached to the pipe (341), and the spring (343) is located between the second sliding ring (361) and the first sliding ring (342); the axle center of the second gear (35) is provided with a circular through hole, the perpendicular wall surfaces of the two sides of the second gear (35) are respectively provided with a limiting plate (351), the perpendicular wall surface of one side of the limiting plate (351) is connected with the end part of the second connecting piece (36), the inner wall of the other limiting plate (351) is provided with a plurality of push plates (352), and the pipe (341) penetrates through the second gear (35) and the two limiting plates (351).
2. The push bench cutterhead driving mechanism of claim 1, wherein the plurality of electric push rods (23) are powered by an electrically conductive ring.
3. The push bench cutter drive mechanism of claim 1, wherein a counterweight is provided on the second gear ring (2).
4. The push bench cutterhead driving mechanism according to claim 1, wherein one side wall of the recess (121) in the direction of rotation of the first gear ring (1) is a sloping surface sloping downward, one side wall of the projection (22) in the direction of rotation of the second gear ring (2) is a sloping surface sloping downward, and the sloping surface of the side wall of the projection (22) matches the sloping surface of the side wall of the recess (121).
5. The push bench cutterhead driving mechanism of claim 1, wherein the limiting plate (351) is annular, the diameter of the limiting plate (351) is larger than that of the second gear (35), and the inner diameter of the limiting plate (351) is the same as the circular through hole of the second gear (35).
6. The push bench cutterhead driving mechanism of claim 1, wherein said driving means is comprised of a variable frequency motor and a speed reducer.
7. The push bench cutterhead driving mechanism of claim 1, wherein the second transmission mechanism (4) includes: a second shaft (41), a second baffle (42) and a third gear (43);
the second shaft (41) is a rectangular rod, one end of the second shaft (41) is connected with the driving device, and the other end of the second shaft (41) extends into a gap between the first gear ring (1) and the second gear ring (2) and is positioned below one side of the first shaft (31); the extension length of the second shaft (41) is greater than the tooth width of the second gear ring (2) and less than the extension length of the first shaft (31), and a second baffle (42) is arranged at the extension end of the second shaft (41); a rectangular through hole with the same size as the second shaft (41) is formed in the axis of the third gear (43), the third gear (43) is nested on the second shaft (41), one side of the third gear (43) is meshed with the second gear ring (2), and the other side of the third gear (43) is meshed with the second gear (35); the driving direction of the driving device connected with the second shaft (41) and the first shaft (31) is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303676.8A CN112922629B (en) | 2021-03-22 | 2021-03-22 | Cutter head driving mechanism of push bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303676.8A CN112922629B (en) | 2021-03-22 | 2021-03-22 | Cutter head driving mechanism of push bench |
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| CN112922629A CN112922629A (en) | 2021-06-08 |
| CN112922629B true CN112922629B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002295183A (en) * | 2001-04-04 | 2002-10-09 | Toda Constr Co Ltd | Shield machine for free section tunnel |
| JP2013133663A (en) * | 2011-12-27 | 2013-07-08 | Kawasaki Heavy Ind Ltd | Cutter head driving device |
| CN103334766A (en) * | 2013-05-08 | 2013-10-02 | 浙江大学 | Cutterhead motor and inertia flywheel compound driving device of TBM |
| CN111749702A (en) * | 2020-07-02 | 2020-10-09 | 湖南人文科技学院 | Cutter head driving device and tunneling equipment |
-
2021
- 2021-03-22 CN CN202110303676.8A patent/CN112922629B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002295183A (en) * | 2001-04-04 | 2002-10-09 | Toda Constr Co Ltd | Shield machine for free section tunnel |
| JP2013133663A (en) * | 2011-12-27 | 2013-07-08 | Kawasaki Heavy Ind Ltd | Cutter head driving device |
| CN103334766A (en) * | 2013-05-08 | 2013-10-02 | 浙江大学 | Cutterhead motor and inertia flywheel compound driving device of TBM |
| CN111749702A (en) * | 2020-07-02 | 2020-10-09 | 湖南人文科技学院 | Cutter head driving device and tunneling equipment |
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| Publication number | Publication date |
|---|---|
| CN112922629A (en) | 2021-06-08 |
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