CN216950367U - Inclined shaft tunnel full-section tunneling device - Google Patents

Abstract

The utility model provides a full-section tunneling device for an inclined shaft tunnel, which comprises a support ring, wherein the support ring is movably sleeved with a drill bit, the tail part of the drill bit is provided with a transmission sleeve, a hydraulic motor is arranged in the support ring, and the hydraulic motor is connected with the transmission sleeve and used for driving the transmission sleeve to rotate; the side wall of the support ring is also provided with a plurality of deviation-rectifying oil cylinders, and the axes of the deviation-rectifying oil cylinders are along the radial direction of the support ring; an inner support is arranged in the support ring, a feeding oil cylinder is arranged between the inner support and the drill bit, and the feeding oil cylinder is used for pushing the drill bit to feed. The construction method provided by the utility model has the advantages that the structure is simplified, the dead weight is reduced, the driving of the inclined shaft tunnel is convenient to realize, the technical problem that the rear slag discharge of the tunnel full-section mechanical driving machine in the prior art cannot meet the driving requirement of the inclined shaft tunnel is solved, and the slag discharge is convenient. The operation of real-time deviation correction is convenient, the tunneling precision is high, and the high-precision one-time run-through construction of the long inclined shaft is realized.

Description

Inclined shaft tunnel full-section tunneling device

Technical Field

The utility model relates to the field of inclined shaft tunnel construction, in particular to an inclined shaft tunnel full-face tunneling device.

Background

The water and electricity engineering power generation diversion tunnel, the ventilation hole design of some long distance traffic tunnels are inclined shaft structure. Especially, the pumped storage power station is selected in a mountain area with a large height difference, and an underground water delivery tunnel with a large inclination angle is generally arranged for shortening the length of the water delivery tunnel. For the construction of inclined shaft tunnels, a slag sliding well is arranged by adopting a raise boring machine at the present stage. The drilling length of a raise boring machine for drilling the slag sliding well is about 300-400 meters, and the conventional long inclined hole expanding and excavating method in the stage is a manual drilling and blasting method considering economic factors, for example, an inclined well reverse excavation construction method of a mountain-by-mountain cave depot, which is disclosed in patent document CN105156120A, has the technical problems of severe operation environment, large potential safety hazard and low efficiency. Although the circular adit with larger length is popularized and constructed by a tunnel full-face mechanical tunneling machine, namely, a TBM (tunnel boring machine), for example, a long-distance large-gradient inclined shaft full-face rock tunneling machine recorded in CN102704945A, namely, the technical problem of difficult backward slag discharging exists. CN103850684A describes a shaft sinking process of a shaft boring machine for enlarging the guide shaft of a raise boring machine, but the shaft boring machine has a too complex structure, too heavy dead weight and great deviation rectifying difficulty, and is not suitable for inclined shaft excavation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the rear slag discharge of a tunnel full-face mechanical heading machine in the prior art cannot meet the heading requirement of an inclined shaft tunnel, is convenient for slag discharge, has a simple structure, and can realize high-quality, high-efficiency and safe heading of a long inclined shaft. And online deviation rectification can be performed, so that the tunneling length of the inclined shaft is not influenced by construction deviation.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a full-section tunneling device for an inclined shaft tunnel comprises a support ring, wherein the support ring is movably sleeved with a drill bit, the tail part of the drill bit is provided with a transmission sleeve, a hydraulic motor is arranged in the support ring and connected with the transmission sleeve and used for driving the transmission sleeve to rotate;

the side wall of the support ring is also provided with a plurality of deviation rectifying oil cylinders, and the axes of the deviation rectifying oil cylinders are along the radial direction of the support ring;

an inner support is arranged in the support ring, a feeding oil cylinder is arranged between the inner support and the drill bit, and the feeding oil cylinder is used for pushing the drill bit to feed.

In a preferable scheme, a sealing piece is arranged between the support ring and the drill bit, and the outer diameter of the drill bit is larger than that of the support ring;

the hydraulic motor and the transmission sleeve are connected in a manner of transmitting torque and sliding relatively.

In the preferred scheme, one end of the feeding oil cylinder is propped against the inner support, and the other end of the feeding oil cylinder is connected with the drill bit through a thrust bearing.

In a preferable scheme, the feeding oil cylinder is a through oil cylinder, and the transmission sleeve penetrates through the feeding oil cylinder to be connected with the hydraulic motor.

Or in another alternative scheme, the feeding oil cylinder is a combination of a plurality of oil cylinders, and the plurality of oil cylinders are distributed around the transmission sleeve along the circumference.

In a preferred scheme, the hydraulic motor is a straight-through hydraulic motor, the outer ring of the hydraulic motor is fixedly connected with the support ring, and the inner ring of the hydraulic motor is connected with the transmission sleeve in a manner of transmitting torque and sliding relatively;

or in another alternative, the hydraulic motors are multiple, the fixed parts of the multiple hydraulic motors are fixedly connected with the supporting ring, the movable parts of the hydraulic motors are connected with the transmission sleeve in a torque-transmitting and relative-sliding manner through the transmission mechanism, and the multiple hydraulic motors are arranged around the transmission sleeve.

In the preferred scheme, the bottom of the deviation-correcting oil cylinder is connected with a transmission sleeve through a bearing, a sliding connection structure is arranged between a bearing inner ring and the transmission sleeve, and the deviation-correcting oil cylinder is fixedly arranged on a support ring through an inner support seat.

In the preferred scheme, the deviation rectifying oil cylinders are axially arranged into two layers, and each layer is provided with a plurality of deviation rectifying oil cylinders.

In a preferable scheme, a plurality of hobbing cutters and scrapers are arranged on the surface of the drill bit;

the full-face mechanical tunneling device is provided with an inclination angle sensor, and the deviation rectifying oil cylinder is provided with a stroke sensor.

A construction method adopting the inclined shaft tunnel full-face tunneling device comprises the following steps:

s1, constructing a slag sliding well with the diameter more than 1m on the cross section of the inclined shaft tunnel;

s2, expanding and excavating the top of the inclined shaft tunnel until the top is enough to accommodate a full-face mechanical tunneling device;

s3, installing a full-face mechanical tunneling device;

s4, starting a deviation rectifying oil cylinder, fixing the full-face mechanical tunneling device in the inclined shaft tunnel, and starting the full-face mechanical tunneling device to drill;

discharging the drilling slag through a slag chute;

s5, retracting the deviation-correcting oil cylinder and the feeding oil cylinder after the depth to be tunneled reaches a feeding stroke of the feeding oil cylinder, so that the whole full-face mechanical tunneling device moves forward along with gravity;

in the tunneling process, measuring and correcting deviation at any time;

the construction of the whole section of the inclined shaft tunnel is realized through the steps.

In the preferred scheme, a horizontal pilot tunnel is excavated at the bottom of an inclined shaft tunnel, a slag sliding well is excavated from the horizontal pilot tunnel upwards along the axis of the inclined shaft tunnel by a raise-boring machine, a pushing oil cylinder is arranged below the raise-boring machine to drill a footage, after the raise-boring machine is locked, the pushing oil cylinder retracts, a new jacking joint steel pipe is installed at the tail part of the raise-boring machine, then the pushing oil cylinder continues to jack, and the steps are repeated to finish the construction of the slag sliding well;

when the full-face mechanical tunneling device is tunneled to a position close to the horizontal pilot tunnel, stopping discharging the drilling slag to ensure that the horizontal pilot tunnel is basically filled with the drilling slag, and then tunneling out the tunnel by the full-face mechanical tunneling device;

if the deviation rectification of the full-face mechanical tunneling device is difficult to control, stopping tunneling, retracting the deviation rectification oil cylinder, starting the feeding oil cylinder to enable the full-face mechanical tunneling device to retreat, extending the deviation rectification oil cylinder out to reposition and fix the full-face mechanical tunneling device, and then retracting the feeding oil cylinder and the drill bit to tunnel again;

the full-section mechanical tunneling device is provided with an inclination angle sensor, the inclination angle sensor adopts the combination of a gyroscope and a magnetic inertial navigation sensor, and angle and displacement offset parameters are obtained through combined calculation so as to guide drilling and deviation rectifying operations; the deviation-correcting oil cylinder is provided with a stroke sensor so as to control the stroke of a piston rod of the deviation-correcting oil cylinder according to the detection parameters of the inclination angle sensor.

The utility model provides a full-face tunneling device for an inclined shaft tunnel, which simplifies the structure of the existing full-face rock tunneling machine, reduces the dead weight, and is convenient for realizing the tunneling of the inclined shaft tunnel. The intelligent online deviation rectification can be realized by the arranged tilt angle sensor and the arranged stroke sensor. The construction method of the utility model adopts the scheme that the slag sliding well with the diameter more than 1m is firstly arranged and then the improved full-face mechanical tunneling device is used for tunneling, thereby solving the technical problem that the rear slag discharge of the tunnel full-face mechanical tunneling machine in the prior art can not meet the tunneling requirement of the inclined shaft tunnel, and facilitating the slag discharge. The operation of real-time deviation correction is convenient, the tunneling precision is high, and the high-precision one-time run-through construction of the long inclined shaft is realized.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the overall construction structure of the present invention.

FIG. 3 is a schematic cross-sectional view of the raise boring machine of the present invention in a slant jack-up drilling mode.

Fig. 4 is a front view of the jacking joint steel pipe of the present invention.

FIG. 5 is a top view of the jacking joint steel pipe of the present invention.

Fig. 6 is a schematic sectional view a-a of fig. 3.

FIG. 7 is a schematic sectional view B-B of FIG. 3.

Fig. 8 is a partially enlarged schematic view of the drill bit system.

In the figure: the device comprises a drill bit 1, a slag collecting hopper 2, a sealing element 3, a support ring 4, an inner support 5, a slag sliding channel 6, a pump station 7, a locking device 8, a jacking joint steel pipe 9, a thrust bearing 10, a feed oil cylinder 11, a deviation correcting oil cylinder 12, a bearing 13, a transition joint steel pipe 14, a jacking oil cylinder 15, a ball head 16, a ball seat 17, a base 18, an inclination angle adjusting seat 19, an inclination angle adjusting rod 20, a work station 21, drilling slag 22, a hydraulic motor 23, a key 24, a locking seat 25, an inclination angle sensor 26, a slag sliding channel 27, an inclination angle sensor 28, a horizontal pilot tunnel 29, a slag sliding well 30, an inclined well tunnel 31, an external pump station 32, a transmission casing 33, a full-section mechanical tunneling device 100 and a raise boring machine 200.

Detailed Description

Example 1:

as shown in fig. 1, the inclined shaft tunnel full-section tunneling device comprises a support ring 4, wherein the support ring 4 is movably sleeved with a drill bit 1, a transmission sleeve 33 is arranged at the tail part of the drill bit 1, a hydraulic motor 23 is arranged in the support ring 4, and the hydraulic motor 23 is connected with the transmission sleeve 33 and used for driving the transmission sleeve 33 to rotate;

the side wall of the support ring 4 is also provided with a plurality of deviation-rectifying oil cylinders 12, and the axes of the deviation-rectifying oil cylinders 12 are along the radial direction of the support ring 4; namely, the deviation-correcting oil cylinder 12 extends and retracts along the radial direction of the support ring 4.

An inner support 5 is arranged in the support ring 4, a feed oil cylinder 11 is arranged between the inner support 5 and the drill bit 1, and the feed oil cylinder 11 is used for pushing the drill bit 1 to feed. With this configuration, while the full-face mechanical boring device 100 is boring, the boring inclination angle of the full-face mechanical boring device 100 can be adjusted on-line according to the design angle of the inclined shaft tunnel 31.

Preferably, as shown in fig. 1, a sealing member 3 is arranged between the support ring 4 and the drill bit 1, and the outer diameter of the drill bit 1 is larger than that of the support ring 4; with the structure, the drilling slag is prevented from entering the support ring 4 to influence the work of the movable part.

The hydraulic motor 23 is connected to the drive sleeve 33 in a torque-transmitting and sliding manner. For example, they are connected by spline structure, or they are slidably sleeved with each other by polygonal structure. So that the drill bit 1 can be driven to rotate also when the drill bit 1 is fed.

In a preferred scheme, one end of a feed oil cylinder 11 is propped against an inner support 5, the inner support 5 is of an annular step structure, the other end of the feed oil cylinder 11 is connected with the drill bit 1 through a thrust bearing 10, the feed oil cylinder 11 is fixed relative to a support ring 4, and the feed of the feed oil cylinder 11 does not influence the rotation of the drill bit 1.

In a preferred scheme, as shown in fig. 1, the feeding oil cylinder 11 is a through oil cylinder, and a transmission sleeve 33 passes through the feeding oil cylinder 11 and is connected with the hydraulic motor 23;

alternatively, the feed cylinder 11 is a combination of a plurality of cylinders, and the plurality of cylinders are circumferentially distributed around the transmission casing 33. This example is not shown in the figures.

Preferably, as shown in fig. 1, the hydraulic motor 23 is a through hydraulic motor, an outer ring of the hydraulic motor 23 is fixedly connected with the support ring 4, and an inner ring of the hydraulic motor 23 is connected with the transmission sleeve 33 in a manner of transmitting torque and sliding relatively; the structure realizes the transmission of large torque.

Or the hydraulic motor 23 is provided in plurality, the fixed part of the hydraulic motor 23 is fixedly connected with the support ring 4, the movable part of the hydraulic motor 23 is connected with the transmission sleeve 33 in a manner of being capable of transmitting torque and relatively sliding through the transmission mechanism, for example, a gear ring is fixedly arranged on the outer wall of the transmission sleeve 33, and the shaft of the hydraulic motor 23 is provided with a gear, wherein the thickness of the gear is larger than that of the gear ring, so that the gear ring and the gear relatively slide along the axial direction, and the hydraulic motor 23 can also drive the drill bit 1 to rotate when the drill bit 1 is fed. A plurality of hydraulic motors 23 are arranged around the drive sleeve 33 and together drive the drill bit 1 in rotation. This example is not shown in the figures.

The preferable scheme is as shown in fig. 1, the bottom of the deviation-correcting oil cylinder 12 is connected with the transmission sleeve 33 through a bearing 13, a sliding connection structure is arranged between an inner ring of the bearing 13 and the transmission sleeve 33, namely, the inner ring of the bearing 13 and the transmission sleeve 33 can move axially and rotate relatively, and a cylinder body of the deviation-correcting oil cylinder 12 is fixedly arranged on the support ring 4 through an inner support 5.

In a preferred scheme, as shown in fig. 1, the deviation-correcting oil cylinders 12 are axially arranged in two layers, and each layer is provided with a plurality of deviation-correcting oil cylinders 12. The cylinder bodies of the deviation-correcting oil cylinders 12 of each layer are fixedly arranged on the support ring 4, and the deviation-correcting oil cylinders 12 of each layer are in a rigid connection structure. With the structure, the inclination angle of the support ring 4 can be accurately adjusted on line by controlling the extension of the piston rods of the deviation-rectifying oil cylinders 12 of each layer to different lengths, so that the drilling angle of the drill bit 1 is adjusted, and the online adjustment of the tunneling angle is convenient to realize.

The preferable scheme is as shown in figure 1, the surface of the drill bit 1 is provided with a plurality of hobbing cutters and scrapers;

as shown in fig. 1, the full-face mechanical boring device 100 is provided with an inclination sensor 26, and a stroke sensor is provided in the deviation correcting cylinder 12. The inclination angle sensor 26 adopts the combination of a gyroscope and a magnetic inertial navigation sensor, and angle and displacement offset parameters are obtained through joint calculation so as to guide drilling and deviation rectifying operations; a stroke sensor for controlling the stroke of the piston rod of the deviation-correcting oil cylinder 12 according to the detection parameter of the inclination angle sensor 26.

Example 2:

as shown in fig. 1 and 2, a construction method using the inclined shaft tunnel full-face tunneling device includes the following steps:

s1, drilling a slag chute 30 with the diameter more than 1m on the section of the inclined shaft tunnel 31; according to the preferable scheme, as shown in fig. 2, a horizontal pilot tunnel 29 is excavated at the bottom of an inclined shaft tunnel 31, a slag chute 30 is excavated from the horizontal pilot tunnel 29 upwards along the designed axis of the inclined shaft tunnel 31 by a raise boring machine 200, a jacking oil cylinder 15 is arranged below the raise boring machine 200, the inclination angle of the raise boring machine 200 is controlled by an inclination angle adjusting seat 19 and an inclination angle adjusting rod 20, a footage is drilled, after the raise boring machine 200 is locked, the jacking oil cylinder 15 retracts, a new jacking joint steel pipe 9 is installed at the tail part of the raise boring machine 200, then the jacking oil cylinder 15 continues to jack, and the steps are repeated to finish the construction of the slag chute 30;

as shown in FIG. 3, the raise boring machine 200 is an important structure for implementing the solution of the present invention, and the structure of the raise boring machine 200 is: comprises a drill bit system, a support ring 4 and a jacking oil cylinder 15; the drill bit system comprises a drill bit 1, the drill bit 1 is driven to rotate by a driving device, and the drill bit system is also provided with a deviation rectifying device for rectifying deviation; the drill bit 1 is provided with a hollow channel, wherein the position close to the top of the drill bit 1 forms a funnel-shaped slag collecting hopper 2, the position far away from the top of the drill bit 1 is a reducing hollow pipe body structure, and the hollow pipe body structure forms a slag sliding channel 6 for discharging drilling slag. Preferably, the drill bit structure is spindle-shaped, a hob drill bit is arranged at the front part of the drill bit structure, the lower part of the drill bit structure is a funnel-shaped structure, and drilled and cut stone slag is discharged through a large-diameter hollow drill rod in the middle of the funnel. The raise boring machine 200 is partially constructed using the same components as in the full face mechanical ripper apparatus 100 and is also given the same names and designations for ease of understanding.

The support ring 4 is connected with the drill bit system, and the support ring 4 comprises an adjustable jacking joint steel pipe 9 for adjusting the length of the support ring 4; the jacking section steel pipe 9 is connected with the support ring 4 through a flange and a bolt. The outer diameter of the drill bit 1 is larger than the outer diameter of the support ring 4. Preferably, the outer diameter of the drill bit 1 is about 2cm greater than the outer diameter of the connecting flange of the support ring 4. The jacking cylinder 15 is used for jacking the support ring 4 and transmitting jacking force to the drill bit system. Further preferred is the structure of the drill bit system as shown in fig. 3 and 8: the drill bit 1 is connected with the support ring 4 in a sliding and sealing manner, a sealing part 3 is arranged at the connecting position to prevent drill cuttings from entering the support ring 4, a reducing pipe body is arranged at the tail part of the drill bit 1, and the pipe body is connected with the hydraulic motor 23 in a manner of transmitting torque and sliding relatively; for example, the tube at the tail of the drill bit 1 is slidably connected to the hydraulic motor 23 through a spline structure, and the hydraulic motor 23 is a through motor. An inner support 5 is arranged on the support ring 4, a feed oil cylinder 11 is arranged between the drill bit 1 and the inner support 5, a thrust bearing 10 is arranged between the feed oil cylinder 11 and the drill bit 1, and the feed direction of the feed oil cylinder 11 is the axial direction of the drill bit 1. The drill bit 1 is driven to feed along the axial direction by extending a piston rod of the feed oil cylinder 11, the feed oil cylinder 11 is a through oil cylinder, and a hollow pipe body at the tail part of the drill bit 1 penetrates through the feed oil cylinder 11 and then is connected with the hydraulic motor 23. Preferably, the diameter of the drill bit 1 is larger than 1m, and the inner diameters of the support ring 4, the jacking section steel pipe 9 and the transition section steel pipe 14 are not smaller than 90 cm. So as to meet the requirements of personnel for entering measurement and maintenance. A tilt sensor 26 is provided in the support ring 4 for feeding back the tilt of the support ring 4. In this embodiment, the tilt sensor 26 preferably employs a gyroscope, so as to obtain angular offsets of three vectors, and further preferably, the tilt sensor 26 employs a combination of a gyroscope and a magnetic inertial navigation sensor, and performs joint solution to obtain angular and displacement offset parameters to guide drilling and deviation rectification operations. Because the raise boring machine is always in a motion working condition, the acceleration sensor is difficult to obtain more accurate detection data, and therefore the acceleration sensor is not adopted. Further preferably, a stroke sensor is provided at the deviation-correcting cylinder 12, so as to control the stroke of the piston rod of the deviation-correcting cylinder 12 according to the detection parameter of the tilt sensor 26. Preferably, the deviation rectifying cylinder 12 is provided with a stroke sensor which adopts a magnetostrictive stroke sensor. In a preferable scheme, as shown in figures 3 and 8, a slag collecting hopper 2 and a slag sliding channel 6 are arranged in the middle of a drill bit 1, and the slag sliding channel 6 is communicated with an inner cavity of a support ring 4; preferably, at the tail part of the support ring 4, the pushing cylinder 15 is connected with the support ring 4 through a transition section steel pipe 14, the support ring 4 comprises a pushing section steel pipe 9, and the pushing cylinder 15 is a through cylinder. The hollow parts of the support ring 4, the transition section steel pipe 14 and the pushing cylinder 15 form a slag sliding channel 6. And a pump station 7 is also arranged in the support ring 4 and used for providing hydraulic oil for each hydraulic cylinder and the driving device. In a preferred scheme, as shown in fig. 3, a plurality of detachable jacking joint steel pipes 9 are arranged at the tail part of the support ring 4. The concrete structure of the jacking section steel pipe 9 is as shown in fig. 4 and 5, a plurality of protruding keys 24 are arranged on the outer wall of the jacking section steel pipe 9, the keys 24 are arranged along the axial direction of the jacking section steel pipe 9, the plurality of protruding keys 24 are arranged along the circumference, and the keys 24 are used for preventing the jacking section steel pipe 9 from rotating. Preferably, the key 24 is a channel steel that serves as both a water, air and power supply channel for the raise boring machine 200 and as a bite anti-torque key for the wellhead lock 8 during drilling. In a preferred scheme, as shown in fig. 3, the jacking cylinder 15 is connected with the support ring 4; preferably, the jacking oil cylinder 15 is connected with the jacking section steel pipe 9 at the bottom of the support ring 4 through a transition section steel pipe 14. A ball head 16 is arranged at the bottom of the pushing oil cylinder 15, the ball head 16 is movably connected with a ball seat 17, and the ball seat 17 is fixedly connected with a base 18; preferably, the ball head 16, ball seat 17 and base 18 all leave a hollow passage to facilitate the removal of the drill cuttings 22.

As shown in fig. 3, an inclination angle adjusting mechanism is disposed at one side of the pushing cylinder 15, and the inclination angle adjusting mechanism includes an inclination angle adjusting base 19 connected to the pushing cylinder 15 or the supporting ring 4, and further includes an inclination angle adjusting rod 20 connected to the inclination angle adjusting base 19, and the inclination angle adjusting mechanism is used for adjusting the inclination angle of the supporting ring 4. Preferably, the inclination adjusting seat 19 is configured to control the angle between the axis of the raise-boring machine and the horizontal to be not less than 50 °.

As shown in fig. 3 and 7, a locking device 8 is further fixed at the position of the orifice, and the locking device 8 is used for locking the support ring 4. The locking notch device 8 is cast and fixed at the position of the hole opening of the slag chute 30. The locking device 8 is a hoop structure which can be loosened and locked and is used for tightly holding the jacking joint steel pipe 9 on the support ring 4.

S2, as shown in the figure 1, the top of the inclined shaft tunnel is expanded and dug to form an installation well, and guide rails are installed on the side wall of the installation well and used for guiding the full-face mechanical tunneling device 100 to be in place until the full-face mechanical tunneling device 100 is sufficiently accommodated;

s3, installing the full-face mechanical tunneling device 100 in the embodiment 1;

s4, starting the deviation-correcting oil cylinder 12, fixing the full-face mechanical tunneling device 100 in the inclined shaft tunnel, namely, enabling a piston rod of the deviation-correcting oil cylinder 12 to extend out to prop against the inner wall of the inclined shaft tunnel, and starting the full-face mechanical tunneling device 100 to drill; specifically, the workstation 21 drives the external pump station 32 to supply high-pressure hydraulic oil to the hydraulic motor 23 and the feed cylinder 11, the hydraulic motor 23 drives the drill bit 1 to rotate through the transmission sleeve 33, and the piston rod of the feed cylinder 11 extends out to drive the drill bit 1 to feed. The drilling slag is discharged through the slag chute 30;

s5, retracting the deviation-correcting oil cylinder 12 and the feeding oil cylinder 11 after the depth to be tunneled reaches one feeding stroke of the feeding oil cylinder 11, so that the whole full-section mechanical tunneling device 100 moves forwards along with gravity; the steps S4 and S5 are repeated for tunneling, and measurement and correction are carried out at any time in the tunneling process;

if the deviation rectification of the full-face mechanical tunneling device 100 is difficult to control, stopping tunneling, retracting the deviation rectification oil cylinder 12, starting the feeding oil cylinder 11 to enable the full-face mechanical tunneling device 100 to retreat, extending the deviation rectification oil cylinder 12 to reposition and fix the full-face mechanical tunneling device 100, and then retracting the feeding oil cylinder 11 and the drill bit 1 to tunnel again;

the full-face mechanical tunneling device 100 is provided with an inclination angle sensor 26, the inclination angle sensor 26 adopts the combination of a gyroscope and a magnetic inertial navigation sensor, and angle and displacement offset parameters are obtained through combined resolving so as to guide drilling and deviation rectifying operations; the deviation-correcting cylinder 12 is provided with a stroke sensor so as to control the stroke of the piston rod of the deviation-correcting cylinder 12 according to the detection parameter of the tilt sensor 26.

In the preferred scheme, when the full-face mechanical tunneling device 100 tunnels to a position close to the horizontal pilot tunnel 29, the discharge of the drilling slag is stopped, the horizontal pilot tunnel 29 is basically filled with the drilling slag, and the full-face mechanical tunneling device 100 tunnels out;

the construction of the whole section of the inclined shaft tunnel is realized through the steps.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of this invention.

Claims (10)

1. The utility model provides a full section tunnelling device in inclined shaft tunnel which characterized by: the drilling machine comprises a support ring (4), wherein the support ring (4) is movably sleeved with a drill bit (1), a transmission sleeve (33) is arranged at the tail part of the drill bit (1), a hydraulic motor (23) is arranged in the support ring (4), and the hydraulic motor (23) is connected with the transmission sleeve (33) and used for driving the transmission sleeve (33) to rotate;

the side wall of the support ring (4) is also provided with a plurality of deviation-rectifying oil cylinders (12), and the axes of the deviation-rectifying oil cylinders (12) are along the radial direction of the support ring (4);

an inner support (5) is arranged in the support ring (4), a feed oil cylinder (11) is arranged between the inner support (5) and the drill bit (1), and the feed oil cylinder (11) is used for pushing the drill bit (1) to feed.

2. The inclined shaft tunnel full-face tunneling device according to claim 1, wherein: a sealing piece (3) is arranged between the support ring (4) and the drill bit (1), and the outer diameter of the drill bit (1) is larger than that of the support ring (4);

the hydraulic motor (23) and the transmission sleeve (33) are connected in a torque-transmitting and relative sliding manner.

3. The inclined shaft tunnel full-face tunneling device according to claim 1, which is characterized in that: one end of the feeding oil cylinder (11) is supported on the inner support (5), and the other end is connected with the drill bit (1) through a thrust bearing (10).

4. The inclined shaft tunnel full-face tunneling device according to claim 1, which is characterized in that: the feeding oil cylinder (11) is a through oil cylinder, and the transmission sleeve (33) penetrates through the feeding oil cylinder (11) to be connected with the hydraulic motor (23).

5. The inclined shaft tunnel full-face tunneling device according to claim 1, wherein: the feeding oil cylinder (11) is a combination of a plurality of oil cylinders, and the oil cylinders are distributed around the transmission sleeve (33) along the circumference.

6. The inclined shaft tunnel full-face tunneling device according to claim 1, which is characterized in that: the hydraulic motor (23) is a straight-through hydraulic motor, the outer ring of the hydraulic motor (23) is fixedly connected with the support ring (4), and the inner ring of the hydraulic motor (23) is connected with the transmission sleeve (33) in a manner of transmitting torque and sliding relatively.

7. The inclined shaft tunnel full-face tunneling device according to claim 1, wherein: the hydraulic motors (23) are multiple, the fixed parts of the hydraulic motors (23) are fixedly connected with the support ring (4), the movable parts of the hydraulic motors (23) are connected with the transmission sleeve (33) in a manner of transmitting torque and sliding relatively through a transmission mechanism, and the hydraulic motors (23) are arranged around the transmission sleeve (33).

8. The inclined shaft tunnel full-face tunneling device according to claim 1, wherein: the bottom of the deviation-rectifying oil cylinder (12) is connected with the transmission sleeve (33) through a bearing (13), a sliding connection structure is arranged between the inner ring of the bearing (13) and the transmission sleeve (33), and the deviation-rectifying oil cylinder (12) is fixedly arranged on the support ring (4) through the inner support (5).

9. The inclined shaft tunnel full-face tunneling device according to claim 8, wherein: the deviation rectifying oil cylinders (12) are axially arranged into two layers, and each layer is provided with a plurality of deviation rectifying oil cylinders (12).

10. The inclined shaft tunnel full-face tunneling device according to any one of claims 1 to 9, characterized in that: the surface of the drill bit (1) is provided with a plurality of hobbing cutters and scrapers;

the full-face mechanical tunneling device (100) is provided with an inclination angle sensor (26), and a deviation rectifying oil cylinder (12) is provided with a stroke sensor.

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