Integrated main bearing

Abstract

The application discloses an integrated main bearing, which comprises a bearing inner ring, a bearing outer ring, a supporting shoe device and a driving device. The bearing inner ring is sleeved on a main beam of a tunneling machine and connected with the main beam. An end of the main beam is provided with a cutter head. The bearing inner ring is connected with the cutter head through a plurality of first driving cylinders to drive the cutter head to adjust a deflection angle. The bearing outer ring is sleeved on the outer side of the bearing inner ring in a relative rotating mode. The supporting shoe device is arranged on the bearing outer ring and is used for supporting and fixing the bearing outer ring to the inner wall of a tunnel. The driving device is connected with the main beam through a transmission device to drive the main beam to rotate in a circumferential direction. The application solves the technical problems of the single structure form of the main bearing of the tunneling machine, the limitation of the simplification of matched equipment and the shortening of the length of the main machine of the tunneling machine.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of heading machine, and particularly relates to an integrated main bearing. BACKGROUND

[0002] With the continuous updating and iteration of heading machine equipment, higher requirements are put forward for the main bearing of the heading machine. At present, due to the single structure of the main bearing, the main drive and the main beam matched with the main bearing are complex in structure, so that the length of the main machine of the heading machine is limited (the length of the equipment cannot be further shortened), thereby affecting the turning radius of the heading machine.

[0003] In view of the problem that the structure of the main bearing of the heading machine is single in the related art, which limits the simplification of the matched equipment and the shortening of the length of the main machine of the heading machine, no effective solution has been given at present.

[0004] Therefore, the present application is proposed by the present inventor on the basis of years of experience and practice in the related field, so as to overcome the defects of the prior art. SUMMARY

[0005] The present application aims to provide an integrated main bearing, which integrates the supporting shoe device, the driving device and the transmission device in the bearing outer ring, simplifies the component structure and shortens the length of the equipment, thereby helping to shorten the turning radius of the heading machine.

[0006] Another object of the present application is to provide an integrated main bearing, which can cooperate with the main beam of the heading machine and the ball head for adjusting the direction of the cutter head, so as to ensure the adjustment of the direction of the cutter head and push the cutter head.

[0007] The object of the present application can be achieved by the following scheme:

[0008] The present application provides an integrated main bearing, which comprises:

[0009] a bearing inner ring, which is sleeved on the main beam of the heading machine and connected with the main beam, and the end of the main beam is provided with a cutter head, and the bearing inner ring is connected with the cutter head through a plurality of first driving cylinders to drive the cutter head to adjust the deflection angle;

[0010] a bearing outer ring, which is sleeved on the outer side of the bearing inner ring in a relative rotating manner;

[0011] a supporting shoe device, which is arranged on the bearing outer ring and used for supporting and fixing the bearing outer ring on the inner wall of the tunnel;

[0012] a driving device, which is connected with the main beam through a transmission device to drive the main beam to rotate in the circumferential direction.

[0013] In a preferred embodiment of the present application, a ball head is arranged on the main beam and close to one end of the cutter head, at least part of the ball head is exposed outside the main beam, a ball head connector is arranged on the ball head and can rotate relative to the ball head, and the ball head connector is connected with the cutter head.

[0014] In a preferred embodiment of the present application, the ball head connector is arranged on the ball head, the ball head connector has opposite hinge surface and fixed surface, the hinge surface has a recess matched with the ball head, the ball head is rotatably arranged in the recess, and the fixed surface of the ball head connector is connected with the cutter head.

[0015] In a preferred embodiment of the present application, a pressing ring is arranged on the outside of the ball head connector, the pressing ring is fixedly connected with the end of the main beam, and the pressing ring presses the fixed surface of the ball head connector close to the edge along the circumference of the main beam.

[0016] In a preferred embodiment of the present application, the ball head is semispherical, and the ball head is fixedly arranged at a middle position of the main beam and close to one end of the cutter head.

[0017] In a preferred embodiment of the present application, the transmission device comprises a first gear fixedly arranged on the main beam and a second gear engaged with the first gear, the second gear is fixedly arranged on a rotating shaft, and the rotating shaft is connected with the output shaft of the driving device.

[0018] In a preferred embodiment of the present application, the transmission device further comprises a box, the first gear, the second gear and the rotating shaft are located in the box, and the second gear is hingedly arranged on the box.

[0019] In a preferred embodiment of the present application, one end of the rotating shaft is hingedly connected with the box through a bearing structure, and the other end of the rotating shaft extends outside the box and is connected with the output shaft of the driving device.

[0020] In a preferred embodiment of the present application, the box is fixedly connected with the outer ring of the bearing.

[0021] In a preferred embodiment of the present application, the supporting shoe device comprises a plurality of shoe plates, and the plurality of shoe plates are distributed along the circumference of the outer ring of the bearing and are arranged on the outer periphery of the outer ring of the bearing.

[0022] A second driving cylinder and an extension rod are arranged between the shoe plate and the outer ring of the bearing, and two ends of the second driving cylinder and two ends of the extension rod are hingedly connected with the shoe plate and the outer wall of the outer ring of the bearing, respectively.

[0023] In a preferred embodiment of the present application, the shoe plate has a first surface facing the inner wall of the tunnel and a second surface facing away from the inner wall of the tunnel, at least the first surface is an arc-shaped surface matching the inner wall of the tunnel, so that the first surface is in abutment with the inner wall of the tunnel.

[0024] The second driving cylinder and the telescopic rod are respectively hinged to the second surface of the shoe plate.

[0025] In a preferred embodiment of the present application, the outer wall of the outer ring of the bearing is spaced and uniformly arranged with a plurality of hinge members along the circumference thereof, and the second driving cylinder and the telescopic rod hinged to the same shoe plate are respectively hinged to two adjacent hinge members.

[0026] In a preferred embodiment of the present application, an annular raceway is formed between the outer wall of the inner ring of the bearing and the inner wall of the outer ring of the bearing along the circumference, and a rolling member is arranged in the raceway.

[0027] In a preferred embodiment of the present application, the number of raceways is at least two, and two raceways are respectively located at two ends of the inner ring of the bearing and / or the outer ring of the bearing.

[0028] In a preferred embodiment of the present application, a plurality of first driving cylinders are arranged at intervals along the circumference of the inner ring of the bearing, and two ends of the plurality of first driving cylinders are respectively hinged to one end of the cutter head close to the cutter head and the rear end of the cutter head.

[0029] In a preferred embodiment of the present application, a rotary joint is arranged on the main beam away from one end of the cutter head, and the rotary joint is used to connect with the pipeline of the tunneling machine.

[0030] In a preferred embodiment of the present application, the pipeline of the tunneling machine includes at least a first pipeline and a second pipeline, the first pipeline is used to accommodate the pipeline of the tunneling machine, and the second pipeline is used to transport spoil.

[0031] The integrated main bearing has the advantages that the bearing outer ring is sleeved on the outside of the bearing inner ring in a relative rotating mode, the support shoe device is arranged on the bearing outer ring, the bearing outer ring is supported and fixed to the inner wall of the tunnel through the support shoe device, the transmission device is integrated on the bearing outer ring, the transmission device is connected with the driving device, the main beam of the tunneling machine is driven to rotate along the circumference through the driving device, and the cutter head connected with the main beam is driven to rotate and cut, the support shoe device, the driving device and the transmission device are integrated on the bearing outer ring, the component structure can be effectively simplified, the length of the main machine of the tunneling machine can be shortened, and thus the turning radius of the tunneling machine is shortened; in addition, the bearing inner ring is fixedly sleeved on the main beam of the tunneling machine, and the bearing inner ring is connected with the cutter head at the end of the main beam through the plurality of first driving cylinders, so that the cutter head is driven to adjust the deflection angle through the plurality of first driving cylinders, the cutter head is adjusted in direction, the cutter head is propelled, and the tunneling operation is completed. BRIEF DESCRIPTION OF DRAWINGS

[0032] The following drawings are only intended to illustrate and explain the present application, and do not limit the scope of the present application.

[0033] Among them:

[0034] Figure 1 It is a front view of the integrated main bearing of the present application.

[0035] Figure 2 It is a structure diagram of the support shoe device in the integrated main bearing of the present application.

[0036] Figure 3 It is a front view of the integrated main bearing of the present application in the state of not assembling the cutter head.

[0037] The reference signs in the present application are as follows:

[0038] 1, bearing inner ring; 2, bearing outer ring;

[0039] 201, hinge; 3, rolling element;

[0040] 4, transmission device; 401, box body;

[0041] 402, rotating shaft; 403, second gear;

[0042] 404, first gear; 5, support shoe device;

[0043] 501, shoe plate; 502, second driving cylinder;

[0044] 503, telescopic rod; 6, main beam;

[0045] 601, ball head; 602, ball head connecting piece;

[0046] 603, pressure ring; 7, driving device;

[0047] 8, first driving cylinder; 9, cutter head;

[0048] 10, rotary joint. DETAILED DESCRIPTION

[0049] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described with reference to the accompanying drawings.

[0050] As shown in Figures 1 to 3 , the present application provides an integrated main bearing, which comprises a bearing inner ring 1, a bearing outer ring 2, a supporting shoe device 5 and a driving device 7, the bearing inner ring 1 is sleeved on the main beam 6 of the tunneling machine, and the bearing inner ring 1 is fixedly connected with the main beam 6, the end of the main beam 6 is provided with a cutter head 9, and the bearing inner ring 1 and the cutter head 9 are connected through a plurality of first driving cylinders 8 to drive the cutter head 9 to adjust the deflection angle; the bearing outer ring 2 is sleeved on the outer side of the bearing inner ring 1 in a relative rotating manner; the supporting shoe device 5 is arranged on the bearing outer ring 2, and the supporting shoe device 5 is used for supporting and fixing the bearing outer ring 2 to the inner wall of the tunnel; the driving device 7 is connected with the main beam 6 through a transmission device 4 to drive the main beam 6 to rotate in the circumferential direction.

[0051] In the present application, the bearing outer ring 2 is sleeved on the outer side of the bearing inner ring 1 in a relative rotating manner, the supporting shoe device 5 is arranged on the bearing outer ring 2, the bearing outer ring 2 can be supported and fixed to the inner wall of the tunnel through the supporting shoe device 5, the transmission device 4 is integrated on the bearing outer ring 2, the transmission device 4 is connected with the driving device 7, the main beam 6 of the tunneling machine is driven to rotate in the circumferential direction through the driving device 7, and then the cutter head connected with the main beam 6 is driven to rotate and cut, the supporting shoe device 5, the driving device 7 and the transmission device 4 are integrated on the bearing outer ring 2, which can effectively simplify the component structure and shorten the length of the main machine of the tunneling machine, thereby helping to shorten the turning radius of the tunneling machine; in addition, the bearing inner ring 1 is fixedly sleeved on the main beam 6 of the tunneling machine, and the bearing inner ring 1 and the cutter head 9 located at the end of the main beam 6 are connected through a plurality of first driving cylinders 8 to drive the cutter head 9 to adjust the deflection angle through the plurality of first driving cylinders 8, which can ensure the steering function of the cutter head 9 and can also push the cutter head 9 to complete the tunneling operation.

[0052] In an optional embodiment of the present application, the bearing inner ring 1 and the main beam 6 of the tunneling machine are fixedly connected through a connecting structure. The connecting structure can be but is not limited to a spline structure or a hexagonal structure connected in an inner-outer matching manner, and of course, other key connection structures can also be used, and the specific form of the connecting structure is not limited in the present application.

[0053] In an optional embodiment of the present application, as shown in Figure 1 ,Figure 2 As shown in the drawings, a ball head 601 is arranged on the main beam 6 and close to one end of the cutter head 9, at least part of the ball head 601 is exposed outside the main beam 6, a ball head connecting piece 602 is arranged on the ball head 601 and can rotate relative to the ball head 601, and the ball head connecting piece 602 is fixedly connected with the cutter head 9. Through the rotatable connection between the ball head 601 and the ball head connecting piece 602, the angle adjustment of the ball head connecting piece 602 relative to the ball head 601 can be realized, and then the deflection angle of the cutter head 9 can be adjusted through the ball head connecting piece 602.

[0054] In the embodiment, as shown in the drawings, Figure 1 , Figure 2 the ball head 601 is semispherical, the ball head 601 is fixedly arranged at a middle position of the main beam 6 and close to one end of the cutter head 9, and the ball head connecting piece 602 is arranged on the ball head 601, the ball head connecting piece 602 has opposite hinged surfaces and a fixed surface, the hinged surfaces have semispherical recesses matched with the ball head 601, the ball head 601 is embedded in the recesses in a relative rotation manner, and the fixed surface of the ball head connecting piece 602 is fixedly connected with the rear end of the cutter head 9.

[0055] Specifically, as shown in the drawings, Figure 1 , Figure 2 the outer side of the ball head connecting piece 602 is provided with a pressing ring 603, the pressing ring 603 and the end of the main beam 6 are fixedly connected through a plurality of circumferentially arranged fastening screws, so that the pressing ring 603 presses the position close to the edge of the fixed surface of the ball head connecting piece 602 along the circumference of the main beam 6. The ball head connecting piece 602 is pressed to the end of the main beam 6 through the pressing ring 603, so that the ball head connecting piece 602 is axially positioned relative to the main beam 6, but the ball head connecting piece 602 can still adjust the deflection angle relative to the ball head 601.

[0056] In an optional embodiment of the present application, as shown in the drawings, Figure 1 , Figure 2 the transmission device 4 includes a first gear 404 fixedly sleeved on the main beam 6 and a second gear 403 engaged with the first gear 404, the second gear 403 is fixedly sleeved on a rotating shaft 402, and the rotating shaft 402 is connected with the output shaft of the driving device 7. The rotating shaft 402 and the second gear 403 are driven to rotate by the driving device 7, then the first gear 404 is driven to rotate through the engagement between the second gear 403 and the first gear 404, and then the main beam 6 and the cutter head 9 connected with the main beam 6 are driven to rotate, so that the cutting action of the cutter head 9 is realized. The driving device 7 can be but is not limited to a driving motor.

[0057] Further, the first gear 404 is fixedly connected with the main beam 6 through a connecting structure. The connecting structure can be, but is not limited to, a spline structure or a hexagonal structure, and of course, other key connection structures can also be used, and the specific form of the connecting structure is not limited in the application.

[0058] Further, the number of the second gears 403 is multiple, the multiple second gears 403 are distributed along the circumference of the first gear 404 and are in engagement with the teeth of the first gear 404.

[0059] In an optional embodiment of the application, as shown in Figure 1 , Figure 2 The transmission device 4 further includes a box body 401, the box body 401 is arranged around the outer periphery of the main beam 6 along the circumference of the main beam 6, and the outer wall of the box body 401 is fixedly connected with the bearing outer ring 2, the first gear 404, the second gear 403 and the rotating shaft 402 are all located in the box body 401, and the second gear 403 is hingedly connected to the inside of the box body 401.

[0060] Further, one end of the rotating shaft 402 is hingedly connected with the box body 401 through a bearing structure, and the other end of the rotating shaft 402 extends to the outside of the box body 401 and is connected with the output shaft of the driving device 7.

[0061] In an optional embodiment of the application, as shown in Figure 1 The supporting shoe device 5 includes multiple shoe plates 501, the multiple shoe plates 501 are distributed along the circumference of the bearing outer ring 2 and are arranged around the outer periphery of the bearing outer ring 2; a second driving cylinder 502 and an extension rod 503 are arranged between the shoe plate 501 and the bearing outer ring 2, one end of the second driving cylinder 502 is hingedly connected with the shoe plate 501, the other end of the second driving cylinder 502 is hingedly connected with the outer wall of the bearing outer ring 2, one end of the extension rod 503 is hingedly connected with the shoe plate 501, and the other end of the extension rod 503 is hingedly connected with the outer wall of the bearing outer ring 2. By adjusting the extension amount of the piston rod of the second driving cylinder 502, the extension rod 503 can be elongated or shortened, and the deflection angle of the shoe plate 501 can be adjusted at the same time, so that the shoe plate 501 can support the inner wall of the tunnel, thereby fixing the main bearing of the application. The second driving cylinder 502 is a supporting shoe oil cylinder.

[0062] Further, as shown in Figure 2 The shoe plate 501 has a first surface facing the inner wall of the tunnel and a second surface facing away from the inner wall of the tunnel, at least the first surface is an arc-shaped surface matched with the inner wall of the tunnel, so that the first surface can be in abutment with the inner wall of the tunnel, thereby fixing the main bearing; the second driving cylinder 502 and the extension rod 503 are hingedly connected with the second surface of the shoe plate 501.

[0063] Further, as shown in Figures 1 to 3As shown in the figure, the outer wall of the bearing outer ring 2 is spaced and uniformly arranged with a plurality of hinged parts 201 along its circumference, and the second driving cylinder 502 and the telescopic rod 503 hinged with the same shoe plate 501 are respectively hinged with two adjacent hinged parts 201, so as to ensure that the supporting shoe device 5 is well supported on the inner wall of the tunnel.

[0064] In an optional embodiment of the present application, as shown in the figure, Figure 3 、 Figure 3 The outer wall of the bearing inner ring 1 and the inner wall of the bearing outer ring 2 are circumferentially formed with an annular raceway (not shown), and the raceway is provided with rolling elements 3. The bearing inner ring 1 and the bearing outer ring 2 can rotate 360° circumferentially through the rolling elements 3. The rolling elements 3 are similar to the rolling balls between the bearing inner ring and the bearing outer ring in the conventional bearing structure, which can ensure that the relative rotation of the bearing inner ring and the bearing outer ring is smooth. In the present application, the rolling elements 3 can be, but are not limited to, a plurality of balls, rollers or crossed rollers arranged circumferentially.

[0065] Further, as shown in the figure, Figure 1 、 Figure 2 The number of raceways is at least two, and two raceways are respectively located at two ends of the bearing inner ring 1 and / or the bearing outer ring 2.

[0066] In an optional embodiment of the present application, as shown in the figure, Figure 1 、 Figure 2 A plurality of first driving cylinders 8 are arranged along the circumference of the bearing inner ring 1, one end of each of the plurality of first driving cylinders 8 is hinged with one end of the bearing inner ring 1 close to the cutter head 9, and the other end of each of the plurality of first driving cylinders 8 is hinged with the rear end of the cutter head 9.

[0067] In an optional embodiment of the present application, as shown in the figure, Figure 1 、 Figure 2 Figure 1 Figure 2 A swivel joint 10 is arranged at the middle of the main beam 6 away from the cutter head 9, and the swivel joint 10 is used to connect with the pipeline of the tunneling machine. The pipeline of the tunneling machine includes at least a first pipeline and a second pipeline. The first pipeline is used to accommodate the pipeline of the tunneling machine, and the second pipeline is used to transport the spoil.

[0068] The working process of the application is as follows: the length and rotation angle of the telescopic rod 503 are driven by adjusting the extension amount of the piston rod of the second driving cylinder 502, so as to adjust the position and deflection angle of the shoe plate 501, and the shoe plate 501 is tightly fixed to the inner wall of the tunnel, and then the bearing outer ring 2 is fixed; the rotation of the shaft 402 and the second gear 403 is driven by starting the driving device 7, the first gear 404 is driven to rotate through the meshing of the second gear 403 and the first gear 404, and then the main beam 6 and the cutter head 9 connected to the main beam 6 are driven to rotate, so as to realize the cutting action of the cutter head 9; the rotation of the main beam 6 drives the bearing inner ring 1 to rotate synchronously, and due to the arrangement of the rolling element 3 between the bearing inner ring 1 and the bearing outer ring 2, the bearing outer ring 2 is fixed relative to the inner wall of the tunnel while the bearing inner ring 1 rotates, and the rotation of the bearing inner ring 1 drives the direction adjusting system composed of the first driving cylinder 8, the ball head 601, the ball head connecting piece 602 and the pressing ring 603 and the cutter head 9 to rotate, so as to realize the tunneling of the cutter head 9. In the tunneling process, the cutter head 9 is pushed forward by the first driving cylinder 8, and the function of adjusting the direction of the cutter head 9 while tunneling is realized by the different extension amounts of the piston rods of the first driving cylinders 8.

[0069] The integrated main bearing has the following characteristics and advantages:

[0070] I. The integrated main bearing integrates the shoe plate device 5, the driving device 7 and the transmission device 4 in the bearing outer ring 2, simplifies the structure of the components, has high integration degree, and thus can shorten the length of the equipment and help to shorten the turning radius of the tunneling machine.

[0071] II. In the integrated main bearing, the bearing inner ring 1 can cooperate with the main beam 6 of the tunneling machine and the ball head 601 for adjusting the direction of the cutter head 9, so as to ensure the direction adjusting function of the cutter head 9 and push the cutter head 9 forward.

[0072] The above description is only a specific embodiment of the application, and is not intended to limit the scope of the application. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principle of the application shall fall within the scope of the application.

Claims

1. An integrated main bearing characterized by, The integrated main bearing comprises: a bearing inner ring (1) sleeved on a main beam (6) of a tunneling machine and connected with the main beam (6), an end of the main beam (6) being provided with a cutter head (9), the bearing inner ring (1) being connected with the cutter head (9) through a plurality of first driving cylinders (8) to drive the cutter head (9) to adjust a deflection angle; a bearing outer ring (2) being sleeved on an outer side of the bearing inner ring (1) in a relative rotation manner; a support shoe device (5) being arranged on the bearing outer ring (2) and used for supporting and fixing the bearing outer ring (2) to an inner wall of a tunnel; a driving device (7) being connected with the main beam (6) through a transmission device (4) to drive the main beam (6) to rotate in a circumferential direction.

2. The integrated main bearing of claim 1, wherein, An end of the main beam (6) near the cutter head (9) is provided with a ball head (601), at least part of the ball head (601) being exposed outside the main beam (6), a ball head connecting piece (602) being sleeved on the ball head (601) and being rotatable relative to the ball head (601), the ball head connecting piece (602) being connected with the cutter head (9).

3. The integrated main bearing of claim 2, wherein, The ball head connecting piece (602) is sleeved on the ball head (601), the ball head connecting piece (602) having opposite hinge surfaces and a fixed surface, the hinge surfaces being provided with recesses matched with the ball head (601), the ball head (601) being rotatably embedded in the recesses, the fixed surface of the ball head connecting piece (602) being connected with the cutter head (9).

4. The integrated main bearing of claim 3, wherein, An outer side of the ball head connecting piece (602) is provided with a pressing ring (603), the pressing ring (603) being fixedly connected with an end of the main beam (6) to press the fixed surface of the ball head connecting piece (602) near an edge along a circumferential direction of the main beam (6).

5. The integrated main bearing of claim 2, wherein, The ball head (601) is semispherical, and is fixedly arranged at a middle position of an end of the main beam (6) near the cutter head (9).

6. The integrated main bearing of claim 1, wherein, The transmission device (4) comprises a first gear (404) fixedly sleeved on the main beam (6) and a second gear (403) engaged with the first gear (404), the second gear (403) being fixedly sleeved on a rotating shaft (402), the rotating shaft (402) being connected with an output shaft of the driving device (7).

7. The integrated main bearing of claim 6, wherein, The transmission device (4) further comprises a box body (401), the first gear (404), the second gear (403) and the rotating shaft (402) being located in the box body (401), the second gear (403) being hingedly connected to the box body (401).

8. The integrated main bearing of claim 7, wherein, One end of the rotating shaft (402) is hingedly connected to the box body (401) through a bearing structure, the other end of the rotating shaft extending outside the box body (401) and being connected with the output shaft of the driving device (7).

9. The integrated main bearing of claim 7 or 8, wherein, The box body (401) is fixedly connected to the bearing outer ring (2).

10. The integrated main bearing of claim 1, wherein, The supporting shoe device (5) comprises a plurality of shoe plates (501), which are arranged on the outer periphery of the bearing outer ring (2) in a circumferential interval. A second driving cylinder (502) and a telescopic rod (503) are arranged between the shoe plate (501) and the bearing outer ring (2), and the two ends of the second driving cylinder (502) and the telescopic rod (503) are respectively hinged to the outer wall of the shoe plate (501) and the bearing outer ring (2).

11. The integrated main bearing of claim 10, wherein, The shoe plate (501) has a first surface facing the tunnel inner wall and a second surface facing away from the tunnel inner wall, and at least the first surface is an arc surface matched with the tunnel inner wall, so that the first surface is in abutment with the tunnel inner wall. The second driving cylinder (502) and the telescopic rod (503) are respectively hinged to the second surface of the shoe plate (501).

12. The integrated main bearing of claim 10, wherein, The outer wall of the bearing outer ring (2) is uniformly provided with a plurality of hinge members (201) in a circumferential interval, and the second driving cylinder (502) and the telescopic rod (503) hinged to the same shoe plate (501) are respectively hinged to two adjacent hinge members (201).

13. The integrated main bearing of claim 1, wherein, An annular raceway is formed between the outer wall of the bearing inner ring (1) and the inner wall of the bearing outer ring (2) in a circumferential direction, and a rolling element (3) is arranged in the raceway.

14. The integrated main bearing of claim 13, wherein, The number of the raceways is at least two, and two raceways are respectively located at two ends of the bearing inner ring (1) and / or the bearing outer ring (2).

15. The integrated main bearing of claim 1, wherein, A plurality of first driving cylinders (8) are arranged in a circumferential interval on the bearing inner ring (1), and the two ends of the plurality of first driving cylinders (8) are respectively hinged to one end of the bearing inner ring (1) close to the cutter head (9) and the rear end of the cutter head (9).

16. The integrated main bearing of claim 1, wherein, A rotary joint (10) is arranged on the main beam (6) away from the cutter head (9), and the rotary joint (10) is used to be connected with a pipeline of the tunneling machine.

17. The integrated main bearing of claim 16, wherein, The pipeline of the tunneling machine comprises at least a first pipeline and a second pipeline, the first pipeline is used to accommodate pipelines of the tunneling machine, and the second pipeline is used to transport spoil.

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