CN214273642U

CN214273642U - Non-circular tunnel boring machine, entry driving machine are with supplementary excavation device

Info

Publication number: CN214273642U
Application number: CN202023133307.9U
Authority: CN
Inventors: 范磊; 李建斌; 刘娇; 董艳萍; 贺开伟; 张宁川; 孙恒; 安乐乐; 薛广记; 徐姣姣; 陈家浩; 冯战勇
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2020-12-04
Filing date: 2020-12-23
Publication date: 2021-09-24
Anticipated expiration: 2030-12-23
Also published as: CN214273643U; CN112761646A; CN112761646B

Abstract

The utility model relates to an additional tunnelling equipment field that creeps into or cutting means. The utility model provides a non-circular tunnel boring machine, entry driving machine are with supplementary excavation device, entry driving machine is with supplementary excavation device includes breaker, breaker include device base, rotate the broken head that disposes on the device base, drive the drive arrangement of the rotation of broken head, device base movable assembly is in the frame, and broken head is used for breaking the excavation blind area of entry driving machine; the adjusting mechanism is used for applying acting force to the device base to enable the device base to move when the crushing head is driven by the driving device to work so as to change the position of the crushing head to sweep out the excavation blind area. Through the cooperation of the crushing device and the adjusting mechanism, the excavation blind area can be swept, the influence of the excavation blind area on the heading machine is reduced, and the excavation efficiency is improved.

Description

Non-circular tunnel boring machine, entry driving machine are with supplementary excavation device

Technical Field

The utility model relates to an additional tunnelling equipment field that creeps into or cutting means.

Background

A tunnel with a circular section can be excavated by adopting an excavator with a whole circular cutter head, the area swept by the cutter head rotating around a central shaft is the cross section of the circular tunnel, and a tunnel section is excavated by adopting a non-circular tunnel excavator with a plurality of circular cutter heads for tunnels with rectangular sections, horseshoe-shaped sections or other special-shaped sections (non-circular sections). The area swept by the multi-cutter head in the excavation often cannot cover the whole tunnel section, the excavation rate of the multi-cutter head combination is generally 88% -90%, the area which cannot be covered by the multi-cutter head combination in the excavation is a cutter head excavation blind area, the excavation blind area has a large influence on the propelling speed of the heading machine, and the excavation efficiency of the heading machine is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary excavation device for a heading machine, which is used for solving the technical problem of low excavation efficiency caused by large excavation dead zone of a cutter head in the process of excavating a tunnel by the existing heading machine; additionally, the utility model aims at providing an use above-mentioned entry driving machine with supplementary excavation device non-circular tunnel boring machine still.

The utility model discloses an entry driving machine is with supplementary excavation device adopts following technical scheme:

the entry driving machine includes with supplementary excavation device:

the crushing device comprises a device base, a crushing head and a driving device, wherein the crushing head is rotatably arranged on the device base, the driving device is used for driving the crushing head to rotate, the device base is movably assembled on a rack of the tunneling machine, and the crushing head is used for crushing the dead zone of the tunneling machine;

and the adjusting mechanism is used for applying acting force to the device base to enable the device base to move when the crushing head is driven by the driving device to work so as to change the position of the crushing head to sweep out the excavation blind area.

Has the advantages that: the utility model discloses entry driving machine is with supplementary excavation device is provided with breaker and guiding mechanism, guiding mechanism can apply the effort to the device base and make the device base activity, broken head rotates the configuration on the device base, can adjust the position of broken head of breaker through adjustment mechanism, realize the sweeping of excavation blind area, reduce the influence of excavation blind area to the entry driving machine, the excavation efficiency has been improved, the technical problem that the in-process blade disc excavation blind area of having solved present entry driving machine excavation tunnel greatly caused excavation inefficiency.

The driving device is further optimized and is positioned at the rear side of the crushing head, and the crushing head is provided with a spiral slag discharging structure which is used for conveying slag soil forwards from back to front so as to discharge slag forwards.

Has the advantages that: after the spiral deslagging structure for forwardly deslagging discharges the slag soil, the slag soil is not easy to accumulate at the rear side, and the blocking effect of the slag soil on the rear side of the crushing head is reduced. In addition, the slag can be extruded in the moving process of the crushing head, and slag discharge is facilitated.

The spiral deslagging structure is further optimized, the crushing device comprises a crushing rod connected with a crushing head and a driving device, the crushing rod is in running fit with the device base, the spiral deslagging structure extends backwards to the crushing rod, or a crushing sleeve is fixed on the rear side of the crushing head and is located on the periphery of the crushing rod, the rear end of the crushing sleeve is rotatably sleeved on the device base, and the spiral deslagging structure extends to the crushing sleeve.

Has the advantages that: the spiral deslagging structure extends backwards to the crushing sleeve or the crushing rod, so that the acting area of the slag soil is enlarged, and the deslagging effect is further improved.

The spiral deslagging structure is further optimized, the spiral deslagging structure comprises spiral deslagging blades which are spirally arranged from back to front, and a head crushing knife is arranged at the part, on the crushing head, of each spiral deslagging blade.

Has the advantages that: the spiral deslagging blade has the advantages of simple structure, convenience in processing and good deslagging effect.

And further optimizing the spiral slag discharging blade, wherein a sleeve part crushing cutter is arranged at the part, positioned on the crushing sleeve, of the spiral slag discharging blade.

Has the advantages that: the sleeve part crushing cutter can perform secondary crushing on the muck, reduce the size of the muck and avoid muck jamming.

The crushing device is further optimized to comprise a crushing rod connecting the crushing head with the driving device, and the crushing head is arranged on the front side of the driving device.

Has the advantages that: connecting drive arrangement and broken head through broken pole, can increasing broken head and breaker's interval, the breaker of being convenient for arrange, can increase broken head's home range simultaneously.

And further optimizing the crushing rod, wherein a spiral slag discharging structure for conveying slag soil from back to front to discharge slag forwards is arranged on the crushing rod or on the periphery of the crushing rod.

Has the advantages that: after the spiral slag discharging structure for discharging slag forwards discharges slag soil forwards, the slag soil can be extruded in the moving process of the crushing head, so that the slag soil moves to the slag discharging port, and slag discharging is facilitated.

The assembly relation of the crushing rod and the crushing head is further optimized, the crushing sleeve is arranged on the periphery of the crushing rod, the front end of the crushing sleeve is fixed with the crushing head, and the rear end of the crushing sleeve is rotatably sleeved on the device base.

Has the advantages that: the crushing head is in running fit with the device base through the crushing sleeve, and the crushing head is stable in running and can bear large acting force.

The assembly relation of the crushing sleeve and the device base is further optimized, the device base comprises a base pipe extending from front to back, the crushing rod penetrates through the base pipe and then is connected with the driving device, and the crushing sleeve is rotatably sleeved on the base pipe.

Has the advantages that: through base pipe and broken cover suit together, base pipe simple structure is convenient for install.

A further refinement provides for the adjusting mechanism to comprise an adjusting drive cylinder.

Has the advantages that: the adjustment driving cylinder is convenient to control, and the operation is relatively stable.

And further optimizing an adjusting driving cylinder, wherein one end of the adjusting driving cylinder is connected to the device base, and the other end of the adjusting driving cylinder is connected to a rack of the heading machine.

Has the advantages that: the adjusting driving cylinder is more stable and stable when connected with the frame.

The relation between the device base and the rack is further optimized, a spherical hinge structure used for spherical hinge on the rack of the heading machine is arranged on the device base, and the number of the adjusting driving cylinders is multiple, so that the crushing head can move towards multiple directions.

Has the advantages that: the ball joint can make the movable range of the crushing head larger.

The installation position of the driving device is further optimized, and the driving device is fixed on the device base.

Has the advantages that: the driving device is fixed on the device base, so that the installation is convenient, and the transmission structure can be simplified.

Further optimization of the position of the drive means, the device base comprises a base tube extending back and forth, said drive means being fixed in the base tube.

Has the advantages that: the setting is intraductal occupation space is littleer at the base, and the structure is compacter.

The form of the drive device, which is a drive motor or a drive motor, is further optimized.

Has the advantages that: the driving motor or the driving motor has a simpler structure and low cost.

The relation between the device base and the rack is further optimized, and a spherical hinge structure for spherical hinge on the rack of the heading machine is arranged on the device base.

Has the advantages that: the range of motion of the crushing head can be increased.

The crushing head is further optimized, and a nozzle for spraying water is arranged on the crushing head.

Has the advantages that: the broken head can be prevented from being wrapped by the dregs.

The assembly of the device base and the frame is further optimized, and the device base is hinged on the frame.

Has the advantages that: simple structure and convenient installation.

The crushing head is further optimized, the crushing head is a cutting head, and the cutting head comprises a head cutting knife for crushing the excavation blind area.

Has the advantages that: the crushing efficiency of the cutting head is higher.

The utility model discloses non-circular tunnel boring machine's technical scheme:

the non-circular tunnel boring machine includes frame, tunnelling blade disc and tunnelling machine with supplementary excavation device, and the frame includes the tunnelling machine baffle that sets up at tunnelling blade disc rear side, and the tunnelling machine includes with supplementary excavation device:

the crushing device comprises a device base, a crushing head and a driving device, wherein the crushing head is rotatably arranged on the device base, the driving device is used for driving the crushing head to rotate, the device base is movably assembled on the rack, and the crushing head is used for crushing the excavation blind area of the development machine;

the cutting head comprises a head cutting knife for crushing the excavation blind area;

Has the advantages that: the auxiliary excavation device of the noncircular tunnel boring machine is provided with a crushing device and an adjusting mechanism, the adjusting mechanism can apply acting force to the device base to enable the device base to move, the crushing head is rotatably arranged on the device base, the position of the crushing head of the crushing device can be adjusted through the adjusting mechanism, the excavation blind area is swept, the influence of the excavation blind area on the boring machine is reduced, the excavation efficiency is improved, and the technical problem that the excavation efficiency is low due to the fact that the cutter head excavation blind area is large in the process of excavating a tunnel by the existing boring machine is solved.

Has the advantages that: through broken head through broken cover and device base normal running fit, broken head operation is more stable, can bear great effort.

The relation between the device base and the rack is further optimized, a spherical hinge structure for spherical hinge on the rack of the heading machine is arranged on the device base, the device base is spherically hinged on the rack, and the plurality of adjusting driving cylinders are arranged, so that the crushing head can move towards a plurality of directions.

And the relation between the device base and the rack is further optimized, the device base is provided with a spherical hinge structure for spherical hinge on the rack of the heading machine, and the device base is spherically hinged on the rack.

The assembly mode of the device base and the rack is further optimized, the device base is provided with a hinge structure for being hinged on the rack of the heading machine, and the device base is hinged on the rack.

Has the advantages that: simple structure and convenient installation.

Has the advantages that: the crushing efficiency of the cutting head is higher.

And optimizing the position of the auxiliary excavation device for the tunneling machine, wherein at least one auxiliary excavation device for the tunneling machine is an auxiliary excavation device arranged at the left side or the right side of the slag discharge port.

Has the advantages that: the slag is convenient to discharge through the auxiliary excavation device beside the slag discharge port.

The position of the auxiliary excavation device for the heading machine is further optimized, the left side and the right side of at least one slag discharge port are respectively provided with the auxiliary excavation device arranged beside the slag discharge port, and the bolt of the auxiliary excavation device arranged beside the two slag discharge ports on the left side and the right side of the same slag discharge port is conveyed to the opposite direction of the screw bolt of the slag discharge structure and is used for gathering the slag soil to the front side of the slag discharge port.

Has the advantages that: the left and right sides of the slag discharge port can be extruded to the slag discharge port, which is more beneficial to slag discharge.

The non-circular tunnel boring machine is further optimized and further comprises a crushing roller, the crushing roller is rotatably arranged on the boring machine frame and used for crushing an excavation blind area of the boring machine, the crushing roller comprises a barrel body and cutting teeth arranged on the barrel body, and the rotating axis of the crushing roller is perpendicular to the axis of a boring cutter head. The dead zone is excavated together through the combination of the crushing roller and the crushing head, and the tunneling efficiency is further improved.

Drawings

Fig. 1 is a schematic structural view of a non-circular tunnel boring machine according to embodiment 1 of the present invention;

fig. 2 is a schematic diagram of the arrangement structure of a heading cutter head in the embodiment 1 of the non-circular tunnel boring machine of the present invention;

figure 3 is a top view of a non-circular tunnel boring machine according to an embodiment 1 of the present invention;

figure 4 is a partial view of a non-circular tunnel boring machine according to an embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a crushing device in embodiment 1 of the non-circular tunnel boring machine of the present invention;

fig. 6 is a schematic structural view of a crushing device in embodiment 2 of the non-circular tunnel boring machine of the present invention;

fig. 7 is a schematic structural view of a crushing device in embodiment 3 of the non-circular tunnel boring machine of the present invention;

fig. 8 is a schematic view of the mounting structure of the adjusting mechanism in embodiment 4 of the non-circular tunnel boring machine of the present invention;

fig. 9 is a schematic view of the arrangement of a heading cutter head in the embodiment 5 of the non-circular tunnel boring machine of the present invention;

figure 10 is a schematic diagram of the arrangement of a heading cutter head and a crushing drum in a specific embodiment 6 of the non-circular tunnel boring machine of the present invention;

in fig. 1 to 5: 1. a frame; 11. a tunneller partition plate; 111. a slag discharge port; 12. a mounting seat; 121. a support cylinder; 2. tunneling a cutter head; 21. hobbing cutters; 3. an auxiliary excavation device for a heading machine; 32. a crushing device; 321. a device base; 3211. a base tube; 32111. a front pipe section; 32112. a rear pipe section; 3212. a spherical hinge body; 3213. an annular projection; 322. a crushing head; 3221. a head crushing knife; 323. a drive device; 324. a breaking bar; 325. a crushing sleeve; 3251. a sealing plate; 3252. a sleeve crushing knife; 326. a spiral deslagging structure; 327. a spiral deslagging blade; 33. an adjustment mechanism; 331. adjusting the driving cylinder; 4. a bearing;

in fig. 6: 322. a crushing head; 3221. a spout; 324. a breaking bar; 3241. a water inlet channel; 5. rotating the water joint;

in fig. 7: 323. a drive device; 3211. a base tube;

in fig. 8: 331. adjusting the driving cylinder; 32. a crushing device; 121. a support cylinder;

in fig. 9: 2. tunneling a cutter head; 21. hobbing cutters;

in fig. 10: 2. tunneling a cutter head; 32. a crushing device; 6. a crushing roller; 61. a barrel; 62. and (4) cutting teeth.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships that are assumed to be merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses non-circular tunnel boring machine's embodiment 1:

the utility model discloses non-circular tunnel boring machine is applied to the excavation in rectangle section, horseshoe-shaped section or other special-shaped section (non-circular section) tunnels.

As shown in fig. 1 to 5, the non-circular tunnel boring machine includes a frame 1, a boring cutter head 2, and an auxiliary excavation device 3 for a boring machine, and the auxiliary excavation device 3 for a boring machine includes a crushing device 32 and an adjusting mechanism 33. The frame 1 includes a ripper bulkhead 11 disposed behind the ripper head 2. The frame 1 is provided with a mounting seat 12, and the mounting seat 12 is fixed on a partition plate 11 of the heading machine.

The crushing apparatus 32 includes an apparatus base 321, a crushing head 322 rotatably disposed on the apparatus base 321, a driving device 323 for driving the crushing head 322 to rotate, and a crushing rod 324 for connecting the crushing head 322 and the driving device 323. The drive 323 is at the rear side of the crushing head 322, and the crushing rod 324 extends forwards and backwards.

The device base 321 ball pivot assembles on mount pad 12, device base 321 includes the base pipe 3211 of extending around, base pipe 3211 includes preceding tube coupling 32111 and the back tube coupling 32112 of arranging around in this embodiment, preceding tube coupling 32111 passes through the flange with back tube coupling 32112 and fixes, wherein be equipped with ball pivot 3212 on the mount pad on the back tube coupling 32112, ball pivot 3212 is half-and-half structure, be equipped with annular protrusion 3213 on the back tube coupling 32112, ball pivot 3212 is to blocking on the annular protrusion of back tube coupling 32112, ball pivot 3212 is fixed a position with back tube coupling 32112 fore-and-aft direction after the welding is accomplished, stability is better. The spherical hinge body forms a spherical hinge structure arranged on the device base. In other embodiments, the device base may be hinged to the frame by a hinge structure, which may be a hinge pin.

The crushing head 322 is used for crushing the excavation blind area of the heading machine, and the crushing head 322 is provided with a head crushing cutter 3221. The dead zone of the excavation of the heading machine is broken through the cutting knife, and the breaking efficiency is high. A crushing sleeve 325 is fixed on the rear side of the crushing head 322, the crushing sleeve 325 is positioned on the periphery of the crushing rod 324, and the rear end of the crushing sleeve 325 is rotatably sleeved on the device base 321. In this embodiment, the front end of the crushing sleeve 325 is welded to the crushing head 322, the rear end of the crushing sleeve 325 is rotatably sleeved on the front pipe joint 32111, a bearing 4 is arranged between the crushing sleeve 325 and the front pipe joint 32111, and the crushing sleeve 325 is rotatably assembled on the front pipe joint 32111 through the bearing. The rear end of the crushing sleeve 325 is provided with a sealing plate 3251, and the gap between the rear end of the crushing sleeve 325 and the front pipe joint 32111 is sealed by the sealing plate 3251 to prevent impurities from entering the crushing sleeve.

The crushing head 322 is provided with a spiral deslagging structure 326 for conveying slag from back to front so as to realize forward deslagging. The spiral deslagging structure 326 extends backwards to the crushing sleeve 325, and the action range of the spiral deslagging structure is enlarged. The spiral slag discharging structure 326 includes a spiral slag discharging blade 327 fixed on the surface of the crushing head 322, the spiral slag discharging blade 327 is spirally arranged from back to front, a head crushing knife 3221 is disposed on a portion of the spiral slag discharging blade 327 on the crushing head 322, and a sleeve portion crushing knife 3252 is disposed on a portion of the spiral slag discharging blade 327 on the outer periphery of the crushing sleeve 325. The spiral slag discharging structure 326 discharges slag forwards, accumulation of the slag on the rear side of the soil bin is reduced, the slag is conveyed to a position close to the cutter head and then moves around in a dispersing mode, movement towards the slag discharging port can be accelerated, and finally the slag is discharged through the slag discharging port 111 in the partition plate 11 of the heading machine. The utility model discloses a broken head can the horizontal hunting, and the back is moved forward to the dregs, can push the dregs to the scum outlet when broken head swings, has reduced the dregs and has piled up being close to entry driving machine baffle department.

The crushing rod 324 is fixed at its front end to the crushing head 322 and at its rear end to the output shaft of the drive. The crushing lever 324 is rotatably fitted in the base tube 3211. In this embodiment, a bearing 4 is disposed between the crushing rod 324 and the base tube 3211, so as to ensure the assembling accuracy of the crushing rod 324 and the base tube 3211, and to enable the crushing rod 324 to smoothly rotate relative to the base tube 3211. The driving device 323 is a driving motor that fixes one end of the base pipe 3211. In other embodiments, the drive motor may be a drive motor.

The adjusting mechanism 33 is used for applying force to the device base 321 to move the device base 321 when the crushing head 322 is driven by the driving device 323 so as to change the position of the crushing head 322 and clean the dead zone of excavation. The adjusting mechanism 33 includes an adjusting cylinder 331, and one end of the adjusting cylinder 331 is connected to the device base 321, and the other end is used for connecting to the mounting base 12. Three adjustment drive cylinders 331 are provided to enable the crushing head 322 to be movable in a plurality of directions. The crushing head can move up and down, left and right, the motion trail of the crushing head can also be circular, and the motion trail of the crushing head can be set according to the condition of the excavation blind area of the heading machine.

The piston rod of the adjusting driving cylinder 331 is hinged on the device base 321, and the cylinder body is hinged on the mounting base 12, in this embodiment, the adjusting driving cylinder 331 is a hydraulic cylinder. The rear pipe segment 32112 of the device base 321 is provided with an ear plate on which the piston rod is hinged. The three adjusting driving cylinders 331 are arranged in a triangular shape, and the cutting head can move in multiple directions by controlling the extension and contraction of the three adjusting driving cylinders 331.

The mounting base 12 is provided with a mounting structure for mounting the mounting base 12 on the side of the heading machine partition 11 facing away from the heading cutter head 2. The mounting seat 12 comprises a support cylinder 121 arranged on one side of the excavator partition plate 11, which faces away from the heading cutterhead 2, a mounting structure is arranged on the support cylinder 121, the device base 321 is movably assembled on the support cylinder 121, in the embodiment, the mounting structure is an end face of the support cylinder 121, and the support cylinder 121 is welded and fixed on the excavator partition plate 11.

The support cylinder 121 extends forward and rearward, the front end of the support cylinder 121 is fixed to the heading machine bulkhead 11, and the device mount 321 is mounted to the rear end of the support cylinder 121. In this embodiment, the left and right side walls of the supporting cylinder 121 are gradually away from the back to the front, and the upper and lower side walls are parallel, so that the opening of the supporting cylinder 121 at the end away from the partition plate 11 of the heading machine is smaller than the opening at the end close to the partition plate 11 of the heading machine, the moving range of the cutting head is enlarged, and the operation of cutting the cutting head is facilitated. In this embodiment, the lower side wall of the support cylinder is formed by a part of the frame of the heading machine, and in other embodiments, the support cylinder may be independently fixed to the frame. In other embodiments, the cross section of the support cylinder may also be circular according to actual needs, and the support cylinder is a trumpet-shaped cylinder in this case.

To ensure sealing, the rear end opening of the support cylinder 121 is closed. The rear end of the supporting cylinder 121 is fixed with a fixing plate and a ball hinge seat fixed on the fixing plate, and the fixing plate, the ball hinge seat and the crushing device plug the rear end opening of the supporting cylinder. The spherical hinge seat comprises a front seat body and a rear seat body which are arranged in a front-back split mode, and the front seat body and the rear seat body are fixed through bolts. The spherical hinge body 3212 is adapted to the spherical hinge seat, the outer circumference of the spherical hinge body 3212 is spherical, and the device base 321 is in movable sealing fit with the spherical hinge seat.

Because the supporting cylinder 121 is arranged at the rear side of the partition board 11 of the tunneling machine, the crushing rod 324 is movably arranged in the supporting cylinder 121 when in use, so that the size of the soil bin in the front-back direction is not increased, the length of a rotating shaft at the rear side of the tunneling cutter head 2 is not increased, the tunneling cutter head 2 is not excessively overhung forwards, and the strength requirement on the rotating shaft of the tunneling cutter head 2 is reduced. The spiral deslagging structure is used for deslagging forwards, and the phenomenon that muck enters the supporting cylinder to affect the swing of the crushing head can be reduced.

Three slag discharge ports 111 are arranged on the partition plate 11 of the heading machine, wherein the left side and the right side of the slag discharge port 111 in the middle are provided with the auxiliary excavation devices 3 for the heading machine. The left and right sides of the slag discharge port 111 can be pushed to the slag discharge port 111 and discharged by the auxiliary excavation devices 3 for the heading machine on both sides. The tunneling machine auxiliary excavation devices 3 on the left side and the right side of the slag discharge port 111 are slag discharge port side auxiliary excavation devices, the spiral slag discharge structures on the two slag discharge port side auxiliary excavation devices are opposite in rotation direction and used for collecting slag to the front side of the slag discharge port, and the slag discharge efficiency of the slag is improved. In other embodiments, the spiral directions of the spiral slag discharging structures on the two slag discharging port side auxiliary excavation devices can be the same.

In this embodiment, three of the auxiliary excavation devices 3 for the heading machine are arranged at the upper part of the soil bin, two of the auxiliary excavation devices are arranged at the middle part of the soil bin, and the other two auxiliary excavation devices are arranged at the bottom part of the soil bin. The auxiliary excavation device 3 for the slag discharge port side is arranged on the lower side of the two tunneling machines, the auxiliary excavation device for the slag discharge port side is arranged between the two slag discharge ports, and the slag discharge port side auxiliary excavation device is arranged, so that slag can be more fully accumulated to the front side of the slag discharge port through the spiral slag discharge structure on the crushing head. In other embodiments, the position of the auxiliary excavation device for the heading machine can be adaptively adjusted according to different excavation dead zones.

In this embodiment, the heading machine is a soil pressure balance heading machine, the front side of the heading machine partition plate 11 is a soil bin, and the heading machine partition plate 11 forms a rear side plate of the soil bin. In other embodiments, the heading machine may also be a slurry balance heading machine, wherein the front side of the heading machine partition is a slurry cabin, and the heading machine partition forms a rear side plate of the slurry cabin.

In the embodiment, a plurality of tunneling cutterheads 2 are arranged in the tunneling machine, the tunneling cutterheads 2 are arranged in layers, three of the tunneling cutterheads are arranged in front, four of the tunneling cutterheads are arranged in back, the tunneling cutterheads 2 are in a cross spoke type, and hobs 21 are arranged on the spokes. The cutting head is arranged at the rear side of the tunneling cutter head 2 and at the excavation blind area of the tunneling machine cutter head, and the hob 21 mounted on the tunneling cutter head 2 can be suitable for hard rock strata.

The utility model discloses non-circular tunnel boring machine's concrete embodiment 2, non-circular tunnel boring machine's structure and the difference of above-mentioned embodiment lie in this embodiment, as shown in FIG. 6, be equipped with spout 3221 that is used for the water spray on the crushing head 322, set up the inhalant canal 3241 with spout 3221 intercommunication in the broken pole 324, broken pole 324 rear end is provided with rotatory water joint 5, the inside water course and the inhalant canal intercommunication of rotatory water joint 5, rotatory water joint 5 sets up between device base 321 and broken pole 324, the outer mouth of rotatory water joint stretches out device base and outside flexible pipe and is connected.

The non-circular tunnel boring machine according to embodiment 3 of the present invention is different from the above-described embodiments in that, as shown in fig. 7, in the present embodiment, the driving device 323 is fixed inside the front end of the base pipe 3211.

The utility model discloses non-circular tunnel boring machine's concrete embodiment 4, with the difference of above-mentioned embodiment lie in, as shown in fig. 8, in this embodiment, adjustment driving cylinder 331 and breaker 32 all set up in supporting a section of thick bamboo 121, and supporting a section of thick bamboo rear end is sealed in this embodiment, and adjustment driving cylinder and breaker all expose in the soil storehouse, and the sealed requirement to breaker and adjustment driving cylinder is higher this moment.

The utility model discloses non-circular tunnel boring machine's concrete embodiment 5, with the difference of above-mentioned embodiment lie in, as shown in fig. 9, in this embodiment, the utility model discloses the tunnelling blade disc 2 of tunnelling machine is the meshing blade disc, and each tunnelling blade disc 2 is arranged with the plane, sets up hobbing cutter 21, scraper and tearing sword on some of them major diameter tunnelling blade disc 2 spokes. And the rest digging cutterheads 2 with smaller diameters are provided with scrapers.

The utility model discloses non-circular tunnel boring machine's concrete embodiment 6, with the difference of above-mentioned embodiment lie in, as shown in fig. 10, in this embodiment, non-circular tunnel boring machine still includes crushing drum 6, and crushing drum 6 rotates the excavation blind area that the configuration is used for broken entry driving machine in the entry driving machine frame, and crushing drum 6 includes barrel 61 and the cutting teeth 62 of setting on the barrel, and the axis of rotation of crushing drum 6 is perpendicular with the axis of tunnelling blade disc 2. A hydraulic motor is arranged in the crushing roller 6, and the crushing roller is driven to rotate by the hydraulic motor. In other embodiments, the crushing roller may also be driven by a motor, the axis of which extends back and forth, and the crushing roller is driven by a bevel gear.

The crushing drum 6 in this embodiment is provided in two instead of the two crushing devices provided in the middle in the above-described embodiment. In other embodiments, the number of crushing drums 6 can be adjusted arbitrarily, for example, one, three, four, etc. can be set according to actual needs.

The crushing devices 32 in this embodiment are provided with five, three at the top and two at the bottom.

The development machine in the implementation excavates the blind area jointly through the combination of the crushing roller 6 and the crushing head, and further improves the development efficiency.

In other embodiments, the support cylinder may be a straight cylinder or an irregular cylinder structure.

In other embodiments, the driving device may be connected to the crushing rod through a flexible shaft, and the driving device may be disposed on the frame or the mounting seat.

In other embodiments, the crushing head may be in the shape of a roller or a ball head, and crushing teeth are arranged outside the ball head.

In other embodiments, the device base may be hingedly mounted to the mounting base by a pin, wherein the device base may be reciprocally swung in a set direction.

In other embodiments, the adjusting driving cylinders may be provided in plurality other than three, or two or one.

In other embodiments, the adjustment drive cylinder may be connected at one end to the ripper bulkhead and at the other end to the device base. In other embodiments, the adjusting driving cylinder can be connected to other suitable positions on the frame according to the layout condition inside the heading machine, and the other end of the adjusting driving cylinder is connected to the device base.

In other embodiments, the crushing rod may extend out of the device base to be exposed, the crushing sleeve may not be arranged, and the spiral slag discharging structure may extend backwards to the outer circumferential surface of the crushing rod; in other embodiments, a spiral slag discharging structure can be arranged on the crushing rod or the crushing sleeve; of course, the crushing rod and the crushing head can be provided with spiral deslagging structures. In other embodiments, the spiral deslagging structure can also be formed by spirally arranged crushing blades. In other embodiments, the helical deslagging structure may be a helical groove cut in the crushing head.

In other embodiments, the crushing rod is of unitary construction with the crushing head.

In other embodiments, the adjustment mechanism may also be an electric push rod. In other embodiments, the adjusting mechanism may further include a motor and a cam-link mechanism, the motor drives the cam, and then the cam drives the link, and the link is hinged to the device base to drive the device base to swing back and forth.

In other embodiments, the mounting seat is arranged on a partition plate of the heading machine, and the crushing rod extends into the soil bin.

In other embodiments, the adjustment mechanism may be provided with a dial or cam, the axis of which extends back and forth, the crushing means being provided on the dial or cam, the dial or cam adjusting the position of the crushing head when rotated.

In other embodiments, the device base can also be directly arranged on the partition plate of the heading machine, and the spherical hinge seat and the spherical hinge of the device base can be directly arranged on the partition plate of the heading machine without arranging an installation seat.

The utility model discloses entry driving machine is with supplementary excavation device's concrete embodiment, entry driving machine is with supplementary excavation device's structure and the arbitrary concrete embodiment of the aforesaid in this embodiment entry driving machine with supplementary excavation device structure the same, no longer describe repeatedly.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. Entry driving machine is with supplementary excavation device, its characterized in that includes:

2. The auxiliary excavation device for the heading machine according to claim 1, wherein the driving device is disposed at a rear side of the crushing head, and the crushing head is provided with a spiral slag discharge structure for conveying the slag from the rear to the front to discharge the slag forwards.

3. The auxiliary excavating device for the heading machine according to claim 2, wherein the crushing device comprises a crushing rod connecting the crushing head and the driving device, the crushing rod is rotatably matched with the device base, the spiral deslagging structure extends backwards to the crushing rod, or a crushing sleeve is fixed on the rear side of the crushing head, the crushing sleeve is arranged on the periphery of the crushing rod, the rear end of the crushing sleeve is rotatably sleeved on the device base, and the spiral deslagging structure extends to the crushing sleeve.

4. The auxiliary excavation device for the heading machine according to claim 3, wherein the spiral slag discharge structure includes a spiral slag discharge blade spirally arranged from the rear to the front, and a head crushing cutter is provided to a portion of the spiral slag discharge blade on the crushing head.

5. The auxiliary excavation device for the heading machine according to claim 4, wherein a sleeve portion crushing cutter is provided at a portion of the spiral slag discharge blade on the crushing sleeve.

6. The auxiliary excavation apparatus for a heading machine according to claim 1, wherein the crushing apparatus includes a crushing rod connecting the crushing head to the driving apparatus, the crushing head being located on a front side of the driving apparatus.

7. The auxiliary excavation device for the heading machine according to claim 6, wherein a spiral slag discharging structure for conveying slag from back to front to discharge slag forwards is provided on or around the crushing rod.

8. The auxiliary excavation device for the heading machine according to claim 6, wherein the crushing rod is provided with a crushing sleeve on the periphery thereof, the front end of the crushing sleeve is fixed with the crushing head, and the rear end of the crushing sleeve is rotatably sleeved on the device base.

9. The auxiliary excavating device for the heading machine according to claim 8, wherein the device base includes a base tube extending forward and backward, the crushing rod is connected to the driving device after passing through the base tube, and the crushing sleeve is rotatably fitted over the base tube.

10. The auxiliary excavation apparatus for a heading machine according to any one of claims 1 to 9, wherein the adjustment mechanism includes an adjustment drive cylinder.

11. The auxiliary excavation apparatus of claim 10, wherein the adjustment drive cylinder is adapted to be coupled to the apparatus base at one end and to be coupled to a frame of the excavation machine at an opposite end.

12. The excavation assisting apparatus for a heading machine according to claim 10, wherein the apparatus base is provided with a ball hinge structure for ball-hinging the apparatus base to a frame of the heading machine, and the adjusting drive cylinder is provided in plurality so that the crushing head can move in a plurality of directions.

13. The auxiliary excavation apparatus for a heading machine according to any one of claims 1 to 8, wherein the driving device is fixed to the apparatus base.

14. The excavation aid of claim 13, wherein the device base includes a base tube extending forward and rearward, and the drive device is secured within the base tube.

15. The auxiliary excavation device for a heading machine according to claim 13, wherein the driving device is a driving motor or a driving motor.

16. The auxiliary excavating device for the heading machine according to any one of claims 1 to 9, wherein the device base is provided with a spherical hinge structure for spherical hinge on a frame of the heading machine.

17. The auxiliary excavation device for a heading machine according to any one of claims 1 to 9, wherein the crushing head is provided with a nozzle for spraying water.

18. The auxiliary excavating device for the heading machine according to any one of claims 1 to 9 wherein the device base is provided with a hinge structure for hinge-connecting to a frame of the heading machine.

19. The excavation assisting apparatus for a heading machine according to any one of claims 1 to 9, wherein the crushing head is a cutter head, and the cutter head includes a head cutter for crushing an excavation dead zone.

20. A non-circular tunnel boring machine comprising a frame, a boring cutter head and an auxiliary excavation device for a boring machine, the frame comprising a boring machine partition provided at the rear side of the boring cutter head, characterized in that the auxiliary excavation device for a boring machine is as claimed in any one of claims 1 to 19.

21. A non-circular tunnel boring machine according to claim 20, wherein the at least one boring machine auxiliary excavation means is a slag discharge port side excavation aid provided to the left or right of the slag discharge port.

22. A non-circular tunnel boring machine according to claim 21, wherein the slag discharge port side auxiliary excavation means are provided on both the left and right sides of at least one slag discharge port, and the bolt conveying slag discharging structures of two slag discharge port side excavation aid means on the same left and right sides of the slag discharge port have opposite rotation directions and serve to gather the slag to the front side of the slag discharge port.

23. A non-circular tunnel boring machine according to claim 20, wherein the machine further comprises a crushing drum rotatably mounted in the machine frame for crushing the dead zone of the boring machine, the crushing drum including a barrel and cutting teeth provided on the barrel, the axis of rotation of the crushing drum being perpendicular to the axis of the boring cutter head.