CN111379563A

CN111379563A - Automatic pipeline traction heading machine

Info

Publication number: CN111379563A
Application number: CN201811651279.4A
Authority: CN
Inventors: 王凤志; 王学文
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-31
Filing date: 2018-12-31
Publication date: 2020-07-07

Abstract

The invention relates to an automatic pipeline traction tunneling machine, which comprises a barrel and a cutter head positioned at the front end of the barrel, wherein an excavating cutter is arranged on the cutter head, a moving platform is arranged in the barrel, a rotating shaft is rotatably arranged on the moving platform, a rotating driving mechanism for driving the rotating shaft to rotate is fixedly arranged on the moving platform, a moving guide mechanism is arranged between the moving platform and the inner wall of the barrel, a moving driving mechanism is arranged between the moving platform and the barrel, a conveying mechanism is also arranged in the barrel, and a barrel anti-tilting mechanism is also arranged on the barrel; the device also comprises a cylinder driving mechanism for pushing the cylinder to move forwards; the barrel is arranged on a pipeline construction surface, the barrel is fixed by the barrel anti-tilting mechanism to prevent the barrel from tilting, the rotary driving mechanism is utilized to drive the cutter disc to rotate, the digging cutter on the cutter disc carries out soil layer cutting, the cut soil layer is conveyed out of the barrel through the conveying mechanism, and the movable driving mechanism can drive the movable platform to move back and forth, so that the rotating shaft moves back and forth, and the cutter disc is driven to move back and forth.

Description

Automatic pipeline traction heading machine

Technical Field

The invention relates to a pipeline development machine.

Background

At present, the construction time of the adopted pipe jacking technology is longer, the construction cost is high, the safety of workers cannot be guaranteed, time cannot be saved, the efficiency is high, the construction is safely completed, the manual hole digging and pipe jacking adopted in the prior art can cause the vertical and horizontal unbalance of a pipeline, the butt joint of two ends of the pipe and the pipe is in staggered teeth and non-intersected, the gap between the pipeline and the ground is overlarge, collapse and pipeline outer wall flowing water can often occur, the ground can collapse after a long time, dangers are caused to vehicles or personnel, the collapse and injury of the personnel can occur when the personnel dig the hole, the jacking distance of the pipeline is short, the digging pit is too many, the inspection wells are too many, manpower, material resources and the like are wasted, and the safety of the personnel cannot be guaranteed due to too many underground unsafe factors.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic pipeline traction tunneling machine which can effectively improve the pipeline laying efficiency and effectively ensure the construction safety.

In order to solve the technical problems, the technical scheme of the invention is as follows: an automatic pipeline traction tunneling machine comprises a barrel and a cutter disc positioned at the front end of the barrel, wherein the diameter of the cutter disc is larger than or equal to that of the barrel, an excavating cutter is arranged on the cutter disc, the cutter disc is fixedly arranged on a rotating shaft, a moving platform is arranged in the barrel, the rotating shaft is rotatably arranged on the moving platform, a driving mechanism for driving the rotating shaft to rotate and rotate is fixedly arranged on the moving platform, a moving guide mechanism is arranged between the moving platform and the inner wall of the barrel, a moving driving mechanism for driving the moving platform to reciprocate is arranged between the moving platform and the barrel, a conveying mechanism for conveying materials excavated by the excavating cutter to the rear side of the barrel is further arranged in the barrel, and a barrel anti-tilting mechanism is further arranged on the barrel; the device also comprises a cylinder driving mechanism for pushing the cylinder to move forwards.

As a preferable technical solution, the cutter head includes a circular ring, a center of the circular ring coincides with an axis of the rotating shaft, the excavating knife includes a plurality of blades fixedly installed between a front end surface of the circular ring and a front end of the rotating shaft, and a front edge of the blade is in front of a rear edge of the blade in an axis direction of the rotating shaft; the root part of the blade is fixedly arranged on the rotating shaft, and the outer end of the blade extends towards the oblique rear part and is fixedly arranged on the circular ring; a plurality of excavating tool bits are fixedly mounted on the front edge of the blade; and a front digging cutter is fixedly arranged on the front end surface of the rotating shaft.

According to a preferable technical scheme, a front baffle ring is arranged on the front end face of the circular ring, a rear baffle ring is arranged on the rear end face of the circular ring, a plurality of partition plates are arranged between the inner surface of the circular ring and the front baffle ring and between the inner surface of the circular ring and the rear baffle ring, and the annular grooves among the inner surface of the circular ring, the inner surface of the front baffle ring and the inner surface of the rear baffle ring are divided by the partition plates and are a plurality of accommodating grooves.

As a preferred technical scheme, the moving guide mechanism comprises a support seat arranged in the cylinder body, a horizontal guide rail extending forwards and backwards is fixedly arranged on the support seat, and the moving platform is movably arranged on the horizontal guide rail; the mobile driving mechanism comprises a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly arranged on the inner wall of the cylinder body, and the piston rod of the hydraulic cylinder is arranged on the mobile platform.

As a preferable technical scheme, the conveying mechanism comprises a shell, the shell is fixedly connected with the mobile station, a feeding groove positioned between the blades is arranged at the front end of the shell, the rear part of the feeding groove is positioned in the circular ring, a spiral blade is rotatably installed in the shell, and a discharge hole is formed in the rear end of the shell; the lower surface of the feeding groove is fixedly provided with a material baffle plate close to the accommodating groove; the lower surface of feed chute still fixed mounting has the support, it is in to rotate to install on the support the epaxial gyro wheel of pivot.

According to the preferable technical scheme, the barrel anti-tilting mechanism comprises a plug which can be transversely inserted into the wall of the hole, a guide hole is formed in the barrel wall of the barrel, the plug is movably arranged in the guide hole, and a plug driving hydraulic cylinder is fixedly arranged in the barrel.

As a preferable technical scheme, the rotating speed of the cutter head is 1-25 r/min.

As a preferable technical scheme, a feed inlet communicated with the accommodating groove is formed in the front baffle ring, a feeding door is hinged on one side of the feeding hole, a bottom plate attached to the inner surface of the circular ring is fixedly installed on the feeding door, the front baffle ring is also provided with a shovel plate positioned in front of the feed inlet, the rear end of the shovel plate is higher than the front end of the shovel plate, an annular plate positioned between the circular ring and the front end surface of the cylinder body is fixedly arranged on the shell of the conveying mechanism, the lower part of the annular plate is provided with a wedge-shaped block, the rear baffle ring is provided with a guide hole, a mandril is movably arranged in the guide hole, the front end of the ejector rod is propped against the feeding door, the rear end of the ejector rod is propped against the inclined surface of the wedge-shaped block, when the ejector rod moves to the high point of the inclined surface relative to the inclined surface of the wedge-shaped block, the ejector rod pushes the feeding door open to the maximum opening; the annular plate is provided with a sawtooth-shaped bulge positioned above the feeding groove.

As a preferred technical scheme, a limit ring is arranged at the rear end of the ejector rod, a return spring is sleeved at the rear end of the ejector rod, the front end of the return spring is propped against the limit ring, and the rear end of the return spring is propped against the rear baffle ring; and a feed gate resetting mechanism is arranged between the ejector rod and the feed gate or between the feed gate and the front retaining ring.

As a preferred technical scheme, an induced draft fan is further arranged in the cylinder, an air inlet of the induced draft fan faces the front end of the cylinder, and an air outlet of the induced draft fan faces the rear end of the cylinder; the device also comprises a control system for controlling the rotating shaft to rotate the rotating driving mechanism, the moving driving mechanism, the conveying mechanism, the barrel anti-tilting mechanism and the barrel driving mechanism, wherein the control system comprises a remote control signal receiving module and a remote control signal sending module.

By adopting the technical scheme, the automatic pipeline traction tunneling machine comprises a barrel and a cutter disc positioned at the front end of the barrel, wherein the diameter of the cutter disc is larger than or equal to that of the barrel, the cutter disc is provided with an excavating cutter, the cutter disc is fixedly arranged on a rotating shaft, a moving platform is arranged in the barrel, the rotating shaft is rotatably arranged on the moving platform, a rotating driving mechanism for driving the rotating shaft to rotate is fixedly arranged on the moving platform, a moving guide mechanism is arranged between the moving platform and the inner wall of the barrel, a moving driving mechanism for driving the moving platform to reciprocate is arranged between the moving platform and the barrel, a conveying mechanism for conveying materials excavated by the excavating cutter to the rear part of the barrel is also arranged in the barrel, and a barrel anti-tilting mechanism is also arranged on the barrel; the barrel driving mechanism is used for pushing the barrel to move forwards; the barrel is arranged on a pipeline construction surface, the barrel is fixed by the barrel anti-tilting mechanism to prevent the barrel from tilting, the rotary driving mechanism is utilized to drive the cutter disc to rotate, the digging cutter on the cutter disc carries out soil layer cutting, the cut soil layer is conveyed out of the barrel through the conveying mechanism, the movable driving mechanism can drive the movable platform to move back and forth, so that the rotating shaft moves back and forth, the cutter disc is driven to move back and forth, the feeding of the cutter disc can be realized, the pipeline laying efficiency can be effectively improved, and the construction safety is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic diagram showing the positional relationship between a cutter head and a feed chute in the first embodiment of the present invention;

FIG. 3 is a schematic diagram showing the positional relationship among the annular plate, the cutter head and the cylinder in the second embodiment of the present invention;

FIG. 4 is a front view of the cutter head of the second embodiment of the invention;

FIG. 5 is a schematic view illustrating the opening principle of the feeding gate in the second embodiment of the present invention;

FIG. 6 is a schematic view of a sawtooth protrusion according to a second embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 4 at I;

fig. 8 is a schematic view of the installation position of the taper block in the second embodiment of the present invention.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1 to 2, an automatic pipe traction heading machine comprises a cylinder body 1 and a cutter head 2 positioned at the front end of the cylinder body 1, the diameter of the cutter head 2 is more than or equal to that of the cylinder body 1, digging cutters are arranged on the cutter head 2, the cutter head 2 is fixedly arranged on a rotating shaft 3, a moving platform 4 is arranged in the barrel body 2, the rotating shaft is rotatably arranged on the moving platform, a rotary driving mechanism for driving the rotary shaft 3 to rotate is fixedly arranged on the mobile platform 4, a mobile guide mechanism is arranged between the mobile platform 4 and the inner wall of the cylinder body 1, a moving driving mechanism for driving the moving table 4 to reciprocate is arranged between the moving table 4 and the cylinder 2, a conveying mechanism for conveying the materials excavated by the excavating knife to the rear part of the cylinder body is also arranged in the cylinder body 1, and a cylinder body anti-tilting mechanism is also arranged on the cylinder body 1; the device also comprises a cylinder driving mechanism for pushing the cylinder to move forwards. The barrel is arranged on a pipeline construction surface, the barrel is fixed by the barrel anti-tilting mechanism to prevent the barrel from tilting, the rotary driving mechanism is utilized to drive the cutter disc to rotate, the digging cutter on the cutter disc carries out soil layer cutting, the cut soil layer is conveyed out of the barrel through the conveying mechanism, the movable driving mechanism can drive the movable platform to move back and forth, so that the rotating shaft moves back and forth, the cutter disc is driven to move back and forth, the feeding of the cutter disc can be realized, the pipeline laying efficiency can be effectively improved, and the construction safety is ensured.

The cutter head 2 comprises a circular ring 5, the circle center of the circular ring 5 is overlapped with the axis of the rotating shaft 3, the digging cutter comprises a plurality of blades 7 fixedly installed between the front end surface of the circular ring 5 and the front end of the rotating shaft, and the front edges of the blades 7 are in front of the rear edges of the blades 7 in the axis direction of the rotating shaft 3, so that soil layers can be cut better; the root of the blade 7 is fixedly arranged on the rotating shaft 3, and the outer end of the blade 7 extends obliquely backwards and is fixedly arranged on the circular ring 5; a plurality of excavating tool bits 8 are fixedly arranged on the front edge of the blade 7, and the soil layer cutting efficiency can be further improved due to the arrangement of the excavating tool bits; and a front digging cutter 9 is fixedly arranged on the front end surface of the rotating shaft.

Keep off ring 10 before the preceding terminal surface of ring 5 is equipped with, the rear end face of ring 5 is equipped with back fender ring 11, be equipped with a plurality of baffles 12 between the internal surface of ring 5 and preceding fender ring, the back fender ring, baffle 12 separates the ring channel between the internal surface of ring 5, the internal surface of preceding fender ring, the internal surface of back fender ring is a plurality of holding tanks 13.

The conveying mechanism comprises a shell 14, the shell 14 is fixedly connected with the mobile station, a feeding groove 15 positioned between the blades is arranged at the front end of the shell, the rear part of the feeding groove is positioned in the circular ring, a spiral blade 16 is rotatably arranged in the shell 14, and a discharge hole is arranged at the rear end of the shell 14; a material baffle plate 16 close to the accommodating groove is fixedly arranged on the lower surface of the feeding groove 15; the lower surface of the feed chute 15 is also fixedly provided with a bracket 17, and the bracket 17 is rotatably provided with a roller 18 supported on the rotating shaft. When the holding tank rotates to the feed chute top, the soil of splendid attire etc. alright in order to fall into the feed chute in the holding tank, when the holding tank was located the lower part, along with the feeding of blade disc, soil got into the holding tank, along with the rotation of ring, when the holding tank rotated the feed chute top, alright in order to make soil fall into the feed chute. The conveying mechanism further comprises a belt conveyor 34 located below the discharge port of the housing, and the belt conveyor conveys the earthwork output from the discharge port to the ground.

The barrel anti-tilting mechanism comprises a plug which can be transversely inserted into the wall of the hole, a guide hole is formed in the barrel wall of the barrel, the plug is movably arranged in the guide hole, and a plug driving hydraulic cylinder is fixedly arranged in the barrel. The plug drives the hydraulic cylinder to drive the plug to be inserted into the hole wall, so that the barrel and the hole wall can be relatively fixed, and the barrel is prevented from inclining when the cutter head rotates.

The moving guide mechanism comprises a supporting seat 20 arranged in the cylinder body, a horizontal guide rail 21 extending forwards and backwards is fixedly arranged on the supporting seat, and the moving platform 4 is movably arranged on the horizontal guide rail 21; the moving driving mechanism comprises a hydraulic cylinder 22, a cylinder body of the hydraulic cylinder 22 is fixedly arranged on the inner wall of the cylinder body, and a piston rod of the hydraulic cylinder is arranged on the moving platform 4.

The rotating speed of the cutter head is 1-25 r/min.

In order to discharge the dirty air in the construction process, an induced draft fan 23 is further arranged in the barrel, an air inlet of the induced draft fan faces the front end of the barrel, and an air outlet of the induced draft fan faces the rear end of the barrel; still including control the pivot is rotated and is rotated actuating mechanism, removal actuating mechanism, conveying mechanism, barrel anti-tilt mechanism and barrel actuating mechanism's control system, control system includes remote control signal receiving module and remote control signal sending module, signal sending module includes control panel, last pivot that is equipped with of control panel rotates actuating mechanism switching control button, and removal actuating mechanism opens and stops the control button, and conveying mechanism opens and stops the control button, and barrel anti-tilt mechanism opens and stops control button, barrel actuating mechanism control button.

The cylinder driving mechanism comprises a driving hydraulic cylinder positioned at the rear of the cylinder, and a piston rod of the driving hydraulic cylinder is propped against the rear end of the cylinder. The piston rod can push the barrel to move forwards, so that the cutterhead continues to dig forwards.

The rotating shaft rotation driving mechanism comprises a speed regulating motor 19. The front of the barrel is also fitted with a camera 35.

Example two:

the structure of the second embodiment is substantially the same as the structure of the first embodiment, except that as shown in fig. 3 to 7, a feed inlet communicated with the receiving groove is formed on the front baffle ring, a feed door 25 is hinged to one side of the feed inlet, a bottom plate 24 attached to the inner surface of the circular ring is fixedly installed on the feed door 25, a shovel plate 26 located in front of the feed inlet is further installed on the front baffle ring 10, the rear end of the shovel plate 26 is higher than the front end of the shovel plate 26, an annular plate 27 located between the circular ring 5 and the front end surface of the cylinder 1 is fixedly installed on the shell 14 of the conveying mechanism, a wedge block 28 is installed at the lower part of the annular plate 27, a guide hole is formed on the rear baffle ring 11, a push rod 29 is movably installed in the guide hole, the front end of the push rod 29 is pushed against the feed door 25, the rear end of the push rod 29 is pushed against an inclined surface 30 of the wedge block 28, when the ejector rod 29 moves to the high point of the inclined surface 30 relative to the inclined surface of the wedge-shaped block, the ejector rod 29 pushes the feeding door 25 open to the maximum; the annular plate 27 is provided with saw-tooth shaped protrusions 31 above the feed chute 15. Annular plate fixed mounting is on conveying mechanism's casing, and when the blade disc rotated like this, the annular plate will not rotate, along with the rotation of blade disc, when the ejector pin moved the high point on the inclined plane of wedge, the ejector pin backs down the feed gate to the opening biggest, and the rotation of blade disc makes soil enter into the holding tank through the opening of feed gate in, and the lower part of annular plate is equipped with the wedge can be better like this in making the soil of hole wall bottom get into the holding tank, can effectually collect and carry the soil of being cut, can effectively avoid the soil of being cut to hinder the forward motion of blade disc and barrel, further guarantee the efficiency of construction. The annular plate 27 is provided with a sawtooth-shaped protrusion 31 positioned above the feeding groove 15, and when the ejector rod moves to the sawtooth-shaped protrusion, the ejector rod can move back and forth continuously due to the fact that the sawtooth-shaped protrusion is provided with a plurality of continuous protrusions and grooves, so that the feeding door can be opened continuously, the bottom plate can move continuously, soil is prevented from being accumulated in the accommodating groove, and the accumulated soil is prevented from blocking the movement of the bottom plate and the opening and closing of the feeding door.

As shown in fig. 5, a limit ring 32 is arranged at the rear end of the ejector rod 29, a return spring 33 is sleeved at the rear end of the ejector rod, the front end of the return spring 33 abuts against the limit ring 32, and the rear end of the return spring 33 abuts against the rear baffle ring 11; a feed gate reset mechanism is arranged between the mandril 29 and the feed gate 25. The feed gate reset mechanism comprises a pull rope arranged between the front end of the mandril 29 and the feed gate 25. The feed gate reset mechanism ejector pin moves forward and can open the feed gate, when the ejector pin moves backward, drives the stay cord and closes the feed gate, avoids opening at the blade disc rotation in-process feed gate, and stay cord one end is fixed on the feed gate, and the other end of stay cord is fixed on the ejector pin, and the stay cord can be crooked, when the ejector pin moves backward, can drive the feed gate and close. The extreme position that the feed gate was opened can also be restricted to the stay cord, and the feed gate can't be opened bigger after the stay cord is tightened, and the higher wire rope of intensity can be chooseed for use to the stay cord. The pull rope is also fixedly provided with a conical block 36, the small end of the conical block 36 is close to the end, connected with the ejector rod 29, of the steel wire rope 37, so that when the feeding door is closed, as shown in fig. 8, the ejector rod resets to drive the steel wire rope to stretch straight, the conical block 36 moves along with the steel wire rope and pushes soil in the accommodating groove to move towards the backward retaining ring, and the situation that the soil is accumulated near the feeding door to influence the opening and closing of the feeding door can be avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic pipeline traction tunneling machine is characterized by comprising a barrel and a cutter disc positioned at the front end of the barrel, wherein the diameter of the cutter disc is larger than or equal to that of the barrel, excavating cutters are arranged on the cutter disc, the cutter disc is fixedly arranged on a rotating shaft, a moving platform is arranged in the barrel, the rotating shaft is rotatably arranged on the moving platform, a driving mechanism for driving the rotating shaft to rotate and rotate is fixedly arranged on the moving platform, a moving guide mechanism is arranged between the moving platform and the inner wall of the barrel, a moving driving mechanism for driving the moving platform to reciprocate is arranged between the moving platform and the barrel, a conveying mechanism for conveying materials excavated by the excavating cutters to the rear side of the barrel is further arranged in the barrel, and a barrel anti-tilting mechanism is further arranged on the barrel; the device also comprises a cylinder driving mechanism for pushing the cylinder to move forwards.

2. The automatic pipe-drawing heading machine of claim 1, wherein the cutterhead includes a circular ring having a center coincident with the axis of the shaft, the digging cutter including a plurality of blades fixedly mounted between the front end face of the circular ring and the front end of the shaft, the leading edges of the blades being forward of the trailing edges of the blades in the direction of the axis of the shaft; the root part of the blade is fixedly arranged on the rotating shaft, and the outer end of the blade extends towards the oblique rear part and is fixedly arranged on the circular ring; a plurality of excavating tool bits are fixedly mounted on the front edge of the blade; and a front digging cutter is fixedly arranged on the front end surface of the rotating shaft.

3. The automatic pipe-drawing heading machine according to claim 2, wherein the front end face of the ring is provided with a front retaining ring, the rear end face of the ring is provided with a rear retaining ring, and a plurality of partitions are provided between the inner surface of the ring and the front and rear retaining rings, and the partitions divide the annular grooves between the inner surface of the ring, the inner surface of the front retaining ring and the inner surface of the rear retaining ring into a plurality of accommodating grooves.

4. The automatic pipe-drawing heading machine according to claim 3, wherein the movement guide mechanism includes a support base provided in the cylinder, a horizontal guide rail extending forward and backward is fixedly mounted on the support base, and the moving table is movably mounted on the horizontal guide rail; the mobile driving mechanism comprises a hydraulic cylinder, the cylinder body of the hydraulic cylinder is fixedly arranged on the inner wall of the cylinder body, and the piston rod of the hydraulic cylinder is arranged on the mobile platform.

5. The automatic pipe-drawing heading machine according to claim 4, wherein the conveying mechanism includes a housing fixedly connected to the movable table, a feed chute is provided at a front end of the housing between the blades, a rear portion of the feed chute is provided in the circular ring, a helical blade is rotatably mounted in the housing, and a discharge port is provided at a rear end of the housing; the lower surface of the feeding groove is fixedly provided with a material baffle plate close to the accommodating groove; the lower surface of feed chute still fixed mounting has the support, it is in to rotate to install on the support the epaxial gyro wheel of pivot.

6. The automatic pipe-traction tunneling machine according to claim 1, wherein said barrel anti-tilt mechanism comprises a plug capable of being transversely inserted into the wall of the hole, the wall of said barrel is provided with a guide hole, said plug is movably mounted in said guide hole, and a plug-driving hydraulic cylinder is fixedly mounted in said barrel.

7. The automatic pipe-traction heading machine of claim 1, wherein the cutterhead has a rotational speed of 1-25 r/min.

8. The automatic pipe-pulling tunneling machine according to claim 3, wherein a feed inlet communicating with the receiving groove is provided on the front baffle ring, a feed door is hinged to one side of the feed inlet, a bottom plate attached to the inner surface of the circular ring is fixedly installed on the feed door, a shovel plate located in front of the feed inlet is further provided on the front baffle ring, the rear end of the shovel plate is higher than the front end of the shovel plate, a ring plate located between the circular ring and the front end surface of the cylinder is fixedly installed on the casing of the conveying mechanism, a wedge block is provided on the lower portion of the ring plate, a guide hole is provided on the rear baffle ring, a push rod is movably installed in the guide hole, the front end of the push rod is abutted against the feed door, the rear end of the push rod is abutted against the inclined surface of the wedge block, when the push rod moves to the high point of the inclined surface relative to the inclined surface of the wedge block, the ejector rod jacks the feeding door to the maximum opening; the annular plate is provided with a sawtooth-shaped bulge positioned above the feeding groove.

9. The automatic pipe-drawing heading machine according to claim 8, wherein a limit ring is provided at the rear end of the ejector rod, a return spring is sleeved at the rear end of the ejector rod, the front end of the return spring abuts against the limit ring, and the rear end of the return spring abuts against the rear stop ring; and a feed gate resetting mechanism is arranged between the ejector rod and the feed gate or between the feed gate and the front retaining ring.

10. The automatic pipe-traction heading machine according to any one of claims 1 to 9, wherein an induced draft fan is further arranged in the barrel, an air inlet of the induced draft fan faces the front end of the barrel, and an air outlet of the induced draft fan faces the rear end of the barrel; the device also comprises a control system for controlling the rotating shaft to rotate the rotating driving mechanism, the moving driving mechanism, the conveying mechanism, the barrel anti-tilting mechanism and the barrel driving mechanism, wherein the control system comprises a remote control signal receiving module and a remote control signal sending module.