CN216866707U - Material transfer track applied to heading machine and heading machine material transfer system - Google Patents

Abstract

The utility model belongs to the field of a material transfer device of tunneling equipment, and particularly relates to a material transfer track applied to a tunneling machine and a material transfer system of the tunneling machine, wherein the material transfer system of the tunneling machine comprises a carrying mechanism used for transferring materials at the tail part of a shield body to the position of a cutter head, the carrying mechanism comprises an inner track of the shield and a material transfer trolley, the front end of the inner track of the shield is a cantilever section used for extending into a cutter bin or a soil bin, the rear side of the cantilever section is a base section used for being arranged outside the cutter bin or the soil bin, the cantilever section and the base section are detachably butted, telescopically assembled to the base section or detachably connected to a fixture near the base section and butted with the base section, and the cantilever section is provided with an inclined strut used for being matched with a surrounding fixed structure support, so that a traveling crane device is not required to be arranged in a central channel of a main drive to connect the materials to lift over a cross beam at the rear side of the cutter head, and the technical problem of difficult material transfer of the miniaturized tunneling machine is solved, further, the heading machine can be miniaturized.

Description

Material transfer track applied to heading machine and heading machine material transfer system

Technical Field

The utility model belongs to the field of material transfer devices of tunneling equipment, and particularly relates to a material transfer track and a material transfer system of a tunneling machine, which are applied to the tunneling machine.

Background

In order to enable workers to conveniently transfer materials to a cutter head of the heading machine and outwards transfer the materials detached from the cutter head, a material transfer system is arranged in the heading machine in the prior art.

The novel cutter conveying system is particularly applied to a shield machine provided with a central cabin and a cutter head which is a normal-pressure cutter head, particularly, the central cabin is enclosed by a central cabin shell on an inner ring part which is driven by a main drive and encloses the central cabin, a material channel for materials to pass is formed in the central cabin shell, a material channel door is arranged corresponding to the material channel, the material conveying system particularly comprises a telescopic platform which can extend into the central cabin through the material channel, and when the novel cutter conveying system works, the materials (such as a cutter barrel provided with a cutter) which need to be transported to the cutter head outside the central cabin are placed on the telescopic platform and extend forwards through the telescopic platform to convey the materials into the central cabin through the material channel. Because the distance that telescopic platform moved the material is limited, consequently, this novel cutter conveying system need set up the center cabin loop wheel machine in the center cabin, and the center cabin loop wheel machine continues telescopic platform and hangs the material, makes the material cross the space upper portion that reachs crossbeam and blade disc from blade disc rear side crossbeam upper portion.

The material transportation system matched with the central cabin crane and the telescopic platform in the prior art occupies a large space in the up-down direction, and the material transportation system can be conveniently arranged in a main driving central channel at the rear side of a cutter head of a large-diameter heading machine, for example, a heading machine with the diameter of more than ten meters, for the heading machine with the diameter of less than ten meters, the radial size of the main driving central channel at the rear side of the cutter head is small, and a traveling crane device cannot be arranged to lift and convey materials transported to the central cabin into a cutter cabin, so that the miniaturized heading machine has the technical problem that the materials are difficult to transport to the cutter head, and the development of miniaturization of the heading machine is restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a material transfer track applied to a heading machine, which aims to solve the technical problem that the heading machine in the prior art cannot be miniaturized due to the fact that the material transfer is difficult in the miniaturization process; the utility model also aims to provide a heading machine material transfer system using the material transfer track applied to the heading machine.

In order to achieve the purpose, the technical scheme of the material transfer track applied to the heading machine provided by the utility model is as follows:

the utility model provides a be applied to material transportation track of entry driving machine, the split type structure of the material transportation track of being applied to the entry driving machine for the components of a whole that can function independently in the front and back direction, the cantilever section in the sword storehouse of front end for being used for extending normal pressure formula blade disc or the unusual pressure formula blade disc rear side soil storehouse, cantilever section rear side is for being used for arranging basic section outside sword storehouse or soil storehouse, cantilever section and the removable butt joint of basic section or flexible assembly extremely on the basic section or detachable connection dock with basic section on near the fixture in basic section for the cantilever section can be followed shift out in sword storehouse or the soil storehouse, be provided with the bracing in the cantilever section for the cantilever section can support the cooperation through bracing and fixed knot on every side in the sword storehouse or the soil storehouse after extending.

The beneficial effects are that: after the material transfer track applied to the heading machine is installed in a corresponding heading machine shield body, when materials are transferred to the position of a cutter head, the materials can be transported to a cutter bin or a soil bin by the aid of the material transfer trolley which crosses a cross beam on the rear side of the cutter head along the track, and after the materials are transferred, the cantilever sections are detached or retracted backwards.

As a further improvement, the cantilever section is in butt joint with the base section, the length of the base section meets the requirement that the position of the base section in butt joint with the cantilever section can be arranged on the rear side of a beam on the rear side of the heading machine cutter head, or the cantilever section is assembled on the base section in a telescopic mode, and the retraction amount of the cantilever section on the base section can ensure that the whole cantilever section can be retracted to the rear side of the beam on the rear side of the heading machine cutter head.

The beneficial effects are that: after the cantilever section is dismantled or contracts backwards, the material transfer track can not cause interference to the rotation of crossbeam, so, can make the material transfer track pass from the crossbeam rotation region, just so need not to arrange crossbeam and shield inner rail interval in the upper and lower direction, and then make the design of the radial size of the corresponding entry driving machine cutter head rear portion storehouse body only need refer to the radial size of the rotation scope of crossbeam can, make corresponding entry driving machine can further miniaturize.

As further improvement, be applied to the entry driving machine that the blade disc is specifically applied to the material transfer track of entry driving machine is the ordinary pressure formula blade disc, the transition section that the track is including being used for laying the outer section of door in the material passageway door outside, being used for laying the inner section of door in the material passageway door inboard and being used for connecting outer section of door and the inner section, the transition section have with the interior removable mounting structure of corresponding mounting structure complex of entry driving machine shield for the transition section can demountable installation in the shield body of corresponding entry driving machine, and the length of transition section satisfies and can make the normal switching of material passageway door in the space of dismantling its back and giving out.

The beneficial effects are that: when the materials are transported, the material transporting trolley can normally and smoothly pass through the material passage door due to the matching of the door outer section, the door inner section and the transition section, the transition section is detached after the materials are transported, the material passage door can be normally opened and closed, the shield inner track cannot influence the closed tightness of the material passage door, and the heading machine is further ensured to have reliable working performance.

As a further improvement, the detachable mounting structure comprises a plug-in structure located on the transition section, and the transition section is in plug-in fit with a plug-in fit structure in the shield body of the heading machine in the vertical direction through the plug-in structure, so that the detachable mounting of the transition section in the corresponding shield body of the heading machine is realized.

The beneficial effects are that: the during operation changeover portion bears pressure, and based on this, the changeover portion adopts along upper and lower direction grafting complex removable mounting structure to install and can get up the stable installation of changeover portion at the shield internal with the pressure utilization that the changeover portion during operation born at the shield, meanwhile, only need during the installation changeover portion with grafting cooperation structure aim at put down the changeover portion can, only need during the dismantlement changeover portion take up the changeover portion can for the dismouting of changeover portion is very convenient.

In order to achieve the purpose, the technical scheme of the material transfer system of the heading machine provided by the utility model is as follows:

the utility model provides a development machine material transfer system, includes the carrying mechanism that is used for transporting the material of shield body afterbody to blade disc position, the carrying mechanism includes track and material transport dolly in the shield, the split type structure of track for components of a whole that can function independently on the front and back direction in the shield, cantilever section in the sword storehouse or the extreme pressure formula blade disc rear side soil storehouse that the front end is used for extending the normal pressure formula blade disc, cantilever section rear side is for being used for arranging the outer basic section in sword storehouse or soil storehouse, cantilever section and the removable butt joint of basic section or flexible assembly extremely butt joint with basic section butt joint on the basis section on perhaps detachable connection near the fixture in basic section for the cantilever section can be followed shift out in sword storehouse or the soil storehouse.

The beneficial effects are that: after the material transfer system of the heading machine is installed in a corresponding heading machine shield body, when materials are transferred to the position of a cutter head, the materials can be transported to a cutter bin or a soil bin by the aid of the material transfer trolley which crosses a cross beam on the rear side of the cutter head along an inner track of the shield, and after the materials are transferred, a cantilever section is detached or retracted backwards.

As a further improvement, the cantilever section is in butt joint with the base section, the length of the base section meets the requirement that the position in butt joint with the cantilever section can be arranged on the rear side of a beam on the rear side of a heading machine cutter head, or the cantilever section is assembled on the base section in a telescopic mode, and the retraction amount of the cantilever section on the base section can ensure that the cantilever section can be retracted to the rear side of the beam on the rear side of the heading machine cutter head.

The beneficial effects are that: after the cantilever section is dismantled or contracts backwards, the material transfer track can not cause interference to the rotation of crossbeam, so, can make the material transfer track pass from the crossbeam rotation region, just so need not to arrange crossbeam and shield inner rail interval in the upper and lower direction, and then make the design of the radial size of the corresponding entry driving machine cutter head rear portion storehouse body only need refer to the radial size of the rotation scope of crossbeam can, make corresponding entry driving machine can further miniaturize.

As further improvement, be applied to the entry driving machine that the blade disc is specifically applied to the material transfer track of entry driving machine is the ordinary pressure formula blade disc, the transition section that the track is including being used for laying the outer section of door in the material passageway door outside, being used for laying the inner section of door in the material passageway door inboard and being used for connecting outer section of door and the inner section, the transition section have with the interior removable mounting structure of corresponding mounting structure complex of entry driving machine shield for the transition section can demountable installation in the shield body of corresponding entry driving machine, and the length of transition section satisfies and can make the normal switching of material passageway door in the space of dismantling its back and giving out.

The beneficial effects are that: when the materials are transported, the material transporting trolley can normally and smoothly pass through the material passage door due to the matching of the door outer section, the door inner section and the transition section, the transition section is detached after the materials are transported, the material passage door can be normally opened and closed, the shield inner track cannot influence the closed tightness of the material passage door, and the heading machine is further ensured to have reliable working performance.

As a further improvement, the detachable mounting structure comprises a plug-in structure located on the transition section, and the transition section is in plug-in fit with a plug-in fit structure in the shield body of the heading machine in the vertical direction through the plug-in structure, so that the detachable mounting of the transition section in the corresponding shield body of the heading machine is realized.

The beneficial effects are that: the during operation changeover portion bears pressure, and based on this, the changeover portion adopts and can utilize the pressure that the changeover portion during operation bore along upper and lower direction grafting complex removable mounting structure to install in the shield is internal to ensure the changeover portion at the internal stable installation of shield, meanwhile, only need during the installation changeover portion with grafting cooperation structure aim at put down the changeover portion can, only need when dismantling the changeover portion take up the changeover portion can for the dismouting of changeover portion is very convenient.

As a further improvement, the material transfer trolley comprises a traveling device matched with the inner rail of the shield and a material tray arranged on the traveling device, and the material tray is provided with a positioning structure used for being matched with material packages or the material per se in a limiting manner to limit the inclination angle posture of the material in the left and right directions.

The beneficial effects are that: because the difficult high accuracy stops at predetermineeing the position when the blade disc is shut down at every turn, consequently need to guarantee to have sufficient clearance in order to ensure that the material can not blockked by the crossbeam between the crossbeam of material and blade disc rear side, and then guarantee the smooth and easy nature of material to blade disc position department transportation, to this, set up location structure on the dolly is transported to the material, make the extranal packing of material or material self in the direction slope about through location structure, increase the distance between material or material extranal packing and the blade disc rear side crossbeam with this, guarantee that the material can smoothly transport and support blade disc position.

As a further improvement, the positioning structure comprises a left positioning structure and a right positioning structure, and the left positioning structure and the right positioning structure are arranged in a left-right symmetrical mode.

The beneficial effects are that: because the material to different positions on the blade disc needs the crossbeam to stop in different position departments when changing the installation, the crossbeam stops in the shield orbital left side sometimes, can stop in the shield orbital right side sometimes, corresponding with it, set up bilateral symmetry's left location structure and right location structure on the material tray, so can combine the position that the blade disc rear side crossbeam actually stops to come the location structure of the corresponding side of selection of adaptability come with the extranal packing cooperation of material or material, no matter change the material of where like this can both guarantee the material can not blockked by the crossbeam of blade disc rear side when transporting to blade disc place position department, guarantee the smooth and easy nature of material transportation.

As a further improvement, the positioning structure is a positioning inclined plane.

The beneficial effects are that: planar structure is convenient for process and more wear-resisting, designs location structure for the location inclined plane can reduce the degree of difficulty that carrying mechanism made to provide carrying mechanism's durability, meanwhile, planar structure's location structure can carry out stable location with material or the stable cooperation of material packing to the gesture of material.

As a further improvement, the rear end of the inner rail of the shield is provided with a locking structure for locking the position of the material transfer trolley so as to prevent the material transfer trolley from automatically sliding forwards.

The beneficial effects are that: the condition that the tunnel extends to one side can appear among the tunnelling process, and at this moment, the shield constructs the machine and is in the gesture of slant decurrent, and track rear end sets up locking structure in the shield can prevent that the material from transporting the dolly and slide forward by oneself, guarantees that the material transports the dolly and stably locates in the position of accepting the material when lifting the material on the material transports the dolly, guarantees the convenience that the material hoisted on the material transports the dolly, avoids appearing the material simultaneously and transports the circumstances that the dolly slides the accidental injury staff by oneself.

As a further improvement, the front end of the inner track of the shield is provided with a stopping structure for stopping the material transfer trolley, so that the material transfer trolley is prevented from falling out of the front end of the inner track of the shield.

The beneficial effects are that: because most of the materials transported by the material transporting system have larger weight, the blocking structure for blocking the material transporting trolley is arranged at the front end of the inner rail of the shield, so that the accident that the material transporting trolley carrying the materials is separated from the front end of the inner rail of the shield and falls can be avoided, and the use safety of the tunneling machine is improved.

Drawings

Fig. 1 is a schematic structural diagram of a material transfer system of a heading machine, which is installed in a corresponding heading machine in an embodiment 1 of the material transfer system of the heading machine;

fig. 2 is a schematic structural diagram of the arrangement of a carrying mechanism in a shield body of a material transfer system of a heading machine in an embodiment 1 of the utility model;

fig. 3 is a schematic structural diagram of a detachable installation structure of a transition section of a track in a shield body in an embodiment 1 of a material transfer system of a heading machine in the utility model;

FIG. 4 is a front view of a material transfer trolley of an embodiment 1 of the material transfer system of the heading machine of the present invention;

FIG. 5 is a top view of a material transfer trolley of an embodiment 1 of the material transfer system of the heading machine of the present invention;

FIG. 6 is a schematic cross-sectional structural view of a material transfer trolley of an embodiment 1 of the material transfer system of the heading machine in the utility model;

fig. 7 is a schematic diagram showing the position relationship between a conveying part in a shield and beams in two parking states in the material transfer system of the development machine in the embodiment 1 of the utility model;

description of reference numerals:

1. a shield body; 2. main driving; 3. a cutter head; 4. a central channel; 5. a center compartment partition; 6. installing a cutter panel; 7. a knife bin; 8. a material channel; 9. a central swivel joint; 10. a cross beam; 11. a first in-tunnel transport unit; 12. a hoisting unit in the tunnel; 13. a second intra-tunnel transport unit; 14. a hoisting unit in the shield body; 15. an inner shield track; 16. a material transfer trolley; 17. a base section; 18. a cantilever section; 19. bracing; 20. an outer door section; 21. an inner door section; 22. a transition section; 23. a pin; 24. a socket base; 25. a frame; 26. a wheel; 27. a support plate; 28. a handle; 29. a baffle plate; 30. a left bevel; 31. a right bevel; 32. a knife cylinder component.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within 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, terms such as "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, elements recited by the phrases "comprising an … …," or the like, do not exclude the presence of such elements, processes, or methods.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above-mentioned terms in the present invention can be understood by those skilled in the art through specific situations.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

The present invention will be described in further detail with reference to examples.

In the embodiment 1 of the material transfer system of the heading machine provided by the utility model, the structure and the use method of the material transfer system of the heading machine are described by taking the heading machine as a normal-pressure cutterhead slurry heading machine, the material to be transferred as a cutter barrel assembly 32 consisting of a cutter and a cutter barrel, and the material transfer operation as transferring the material to the cutterhead, and specifically as follows:

the corresponding heading machine is partially structured as shown in fig. 1, and comprises a shield body 1, wherein a main drive 2 is arranged in the shield body 1, the main drive 2 is provided with an outer ring and an inner ring, the inner ring is fixed relative to the shield body 1, the outer ring can rotate relative to the inner ring, a cutter disc 3 is arranged on the outer ring through a cutter disc mounting structure, and the cutter disc 3 is driven to rotate through the rotation of the outer ring. In this embodiment, the cutter head 3 is a normal pressure type cutter head, and has a cutter holding panel 6 for holding a cutter and a cutter magazine 7 located at the rear side of the cutter holding panel 6. The middle part of the inner ring of the main drive 2 is a central channel 4, in the embodiment, the rear side of the inner ring is fixed with a central cabin clapboard 5 in a sealing way, and the central channel 4 is enclosed into a central cabin by the central cabin clapboard 5. The cutter bin and the center cabin form a cavity at the rear side of the heading machine cutter head 3.

The central cabin partition plate 5 is provided with a material channel 8, a central rotary joint mounting hole and other related channels, and the central rotary joint mounting hole is positioned in the center of the central cabin partition plate 5 and used for mounting a central rotary joint 9 in the shield body 1. The material channel 8 is used for feeding materials into and out of the central cabin. Other associated channels are used to interface electrical components such as sensors and associated piping, circuitry, and the center pod. A material passage door (not shown) is provided corresponding to the material passage 8 to satisfy the sealing and pressure-resistant capability of the central cabin. Regarding the position of the material channel 8, as shown in fig. 1, the material channel 8 is disposed directly below the central swivel joint 9, and the bottom of the material channel 8 is located at the bottom of the central channel 4.

As shown in fig. 1 and 2, a splayed beam 10 is disposed between the rear side of the cutter head 3 and the central rotary joint 9, the beam 10 rigidly connects the rotating part of the central rotary joint 9 with the cutter head 3, and the cutter head 3 drives the rotating part of the central rotary joint 9 to rotate.

In order to transport the material to the position of the cutter head 3 and transport the material detached from the cutter head 3 outwards, a material transport system of the heading machine is further arranged in the heading machine, specifically, as shown in fig. 1, the material transport system comprises a first tunnel internal transport unit 11, a tunnel internal hoisting unit 12, a second tunnel internal transport unit 13, a shield internal hoisting unit 14 and a carrying mechanism located in the shield body 1, wherein the first tunnel internal transport unit 11, the tunnel internal hoisting unit 12, the second tunnel internal transport unit 13, the shield internal hoisting unit 14 and the carrying mechanism are located in the shield body 1, and the carrying mechanism is used for transporting the material at the tail part of the shield body to the position of the cutter head. The carrying mechanism specifically comprises a shield inner rail 15 and a material transfer trolley 16 matched with the shield inner rail 15.

As shown in fig. 1 and 2, the inner shield track 15 extends from outside the central compartment to inside the central compartment through the bottom of the material channel 8 and extends from below the cross beam 10 through into the knife compartment 7 of the cutterhead 3, such that the path of movement of the material transfer trolley 16 as a carrying body passes from the bottom of the central channel 4 and from below the cross beam 10 through into the knife compartment 7 of the cutterhead 3.

As shown in fig. 2, in order to ensure that the cutter head 3 operates normally, the shield inner track 15 is a split structure, and specifically includes a cantilever section 18, the front end of which extends into the cutter bin 7, and a base section 17 located behind the cantilever section 18, and during operation, the cantilever section 18 is in butt joint with the base section 17, so that the material transfer trolley 16 can transport materials into the cutter bin 7 through the lower side of the cross beam 10, and when the cutter head 3 needs to operate, the cantilever section 18 is detached. In this embodiment, the inner shield rail 15 passes through the area through which the cross beam 10 rotates, and therefore, the structure connecting the base section 17 and the cantilever section 18 is located at the rear side of the cross beam 10, so that the base section 17 does not interfere with the rotation of the cross beam 10.

For the butt joint mode between the cantilever section 18 and the base section 17, in this embodiment, the cantilever section 18, the base section 17 and the material transfer trolley 16 are directly in pin joint with the directly matched wheel track, and meanwhile, because the cantilever section 18 directly extends into the tool magazine 7, the horizontal posture of the cantilever section 18 is ensured for preventing the cantilever section 18 from rotating around the pin in the pin joint, the part of the cantilever section 18 extending into the tool magazine 7 is provided with the inclined strut 19, and the inclined strut 19 is in supporting fit with the inner wall surface of the tool magazine 7 backwards, so that the cantilever section 18 can maintain the horizontal posture and has enough supporting strength. Based on the arrangement of the inclined strut 19, a single row of pin connecting shafts can be used for pin connection between the cantilever section 18 and the base section 17, and certainly, more than two rows of pin connecting shafts arranged side by side in the front-rear direction can be used for pin connection to ensure the connection reliability. The inclined strut can be directly welded and fixed on the cantilever section, and can also be hinged or detachably arranged on the cantilever section.

Because basic section 17 extends to the center cabin from the center cabin is outer, consequently, for guaranteeing that the material passgate can normally open and shut, basic section 17 also is the components of a whole that can function independently structure, including the outer section of door 20 that is located material passgate rear side, be located the inboard door inner section 21 of material passgate to and connect the changeover portion 22 between door inner section 21 and outer section of door 20, changeover portion 22 demountable installation is in shield body 1, and its length satisfies the space that its gave way after the dismantlement can make the normal switching of material passgate. For the detachable installation structure of the transition section 22 in the shield body 1, as shown in fig. 3, an inserting base 24 is fixed on the inner wall surface of the fixed part of the main drive 2, correspondingly, an inserting pin 23 is arranged on the lower part of the transition section 22, a slot matched with the inserting base 24 in an inserting manner is formed in the bottom of the inserting pin 23, when the transition section 22 is installed, the installation of the transition section 22 between the inner section 21 of the door and the outer section 20 of the door can be realized through the inserting and matching of the inserting pin 23 and the inserting base 24, and when the material channel door needs to be opened and closed, the transition section 22 can be detached.

The material transfer trolley 16 specifically comprises a traveling device matched with the inner rail 15 of the shield and a material tray arranged on the traveling device, specifically, as shown in fig. 4, 5 and 6, in this embodiment, the traveling device of the material transfer trolley 16 comprises a frame 25 and wheels 26 arranged on the frame 25 and matched with the inner rail 15 of the shield, the material tray is a supporting plate 27 arranged on the traveling device, and when in use, the material is placed on the supporting plate 27. In order to facilitate the operator to push the material transfer cart 16, the material transfer cart 16 is also provided with a handle 28. In other embodiments, the material tray may also be a non-plate type structure, such as a frame type structure.

As shown in fig. 7, when the cutter on the cutter disc 3 is replaced, the corresponding cutter mounting position is stopped at the position of six o' clock, at this time, the side beam 10 behind the cutter disc 3 is in an inclined state, the material carrying trolley 16 carries the material to carry towards the position of the cutter disc 3, since the cutter head 3 is difficult to stop at a set position with high precision, a sufficient distance is required between the cross beam 10 and the knife cylinder assembly 32 on the material transfer trolley 16 to prevent the cross beam 10 from interfering with the knife cylinder assembly 32, in contrast, the material transfer trolley 16 is provided with a positioning structure, in the embodiment, because the transferred material is the knife cylinder assembly 32, a tool with a lifting lug is arranged aiming at the material for facilitating hoisting, therefore, the left and right inclination angle postures of the materials are limited by the matching of the positioning structures and the tools outside the materials, and the distances between the materials and the tools and the cross beam 10 in the left and right directions are increased. In this embodiment, the positioning structure includes a left positioning structure and a right positioning structure, specifically, the left positioning structure and the right positioning structure are a left inclined plane 30 and a right inclined plane 31 disposed at the front end of the supporting plate 27, and the two inclined planes are bilaterally symmetrical. Correspondingly, a plane structure is arranged on a tool for mounting the tool, and the inclination angle postures of the tool assembly and the tool are limited by the matching of the plane structure on the tool and the left positioning structure or the right positioning structure, so that the tool assembly and the tool cannot interfere with the cross beam 10. In other embodiments, the positioning structure can be directly matched with the material, and also can be matched with other packages, such as packing cases, outside the material, which are not provided with tools.

In addition, because the tunnel extends obliquely downwards in the tunneling process, at the moment, the shield body 1 of the tunneling machine is in an oblique downward posture, and in order to prevent the material transfer trolley 16 from automatically sliding forwards under the action of gravity, a locking structure is further arranged at the rear end of the inner track 15 of the shield, and the material transfer trolley 16 is locked through the locking structure, so that the material transfer trolley 16 is prevented from automatically sliding forwards. In this embodiment, the locking structure is specifically a locking plate fixed in the shield body 1, a locking hole is formed in the locking plate, correspondingly, a locking hole matching hole is formed in the material transfer trolley, and the locking of the position of the material transfer trolley 16 is realized by penetrating and installing a locking pin shaft in the locking hole and the locking hole matching hole. In addition, since most of the materials transported by the material transporting system have a large weight, as shown in fig. 2, a stopping structure for stopping the material transporting trolley 16 is arranged at the front end of the inner rail 15 of the shield, and the material transporting trolley 16 is stopped by the stopping structure, so that the accident that the material transporting trolley 16 loaded with the materials is pulled out from the front end of the inner rail 15 of the shield and falls can be avoided. With respect to the specific form of the stopping structure, in this embodiment, the stopping structure is a stop 29, and in other embodiments, the stopping structure can be any structure capable of stopping the material transfer cart 16 to prevent it from being pulled out of the track forward, such as a stop.

Here, the operation mode of the material transfer system of the heading machine of the present invention is described by taking the example of transferring a cutter to the cutter head 3, specifically, the cutter head 3 is rotated to make the cutter loading position where the cutter needs to be replaced at a six o' clock position, the first in-tunnel transportation unit 11 is used to transport the cutter barrel assembly 32 and the cutter to the tail end of the in-tunnel hoisting unit 12, then the in-tunnel hoisting unit 12 is used to hoist the cutter barrel assembly 32 forward, the second in-tunnel transportation unit 13 is used to continue to hoist forward after the in-tunnel transportation unit 13 is located, the in-shield hoisting unit 14 is used to hoist the cutter barrel assembly 32 into the shield body 1 after the in-shield hoisting unit 14 is located, the tail end of the hoisting stroke of the in-shield body hoisting unit 14 is used to hoist the cutter barrel assembly 32 to the middle of the shield body 1 through the set arc-shaped track, then the material is placed on the material transfer trolley 16, utilize location structure on the material transportation dolly and the frock location fit in the knife section of thick bamboo subassembly 32 outside, inject the ascending inclination in the knife section of thick bamboo subassembly 32 left and right sides, transport knife section of thick bamboo subassembly 32 to the tool magazine 7 along shield inner rail 15 by the material transportation dolly. Compared with the central channel 4, the radial dimension of the tool magazine 7 is large, so that a hoisting device can be arranged in the tool magazine 7 to hoist the tool cylinder assembly 32 conveyed into the tool magazine 7 to hoist the tool cylinder assembly 32 to a corresponding mounting position, specifically, a hoisting ring can be fixed on the rear side of the tool mounting panel 6 of the cutter head 3, a hoisting hoist is mounted on the hoisting ring, and materials conveyed into the tool magazine are transferred to the corresponding tool mounting position by the hoisting hoist.

The carrying mechanism does not involve continuous hoisting of materials, naturally, hoisting equipment does not need to be arranged in the bin at the rear side of the cutter head, and the material transfer system is lower in requirement on the size of the bin at the rear side of the cutter head, so that the miniaturization design of the heading machine is realized. In this embodiment, the heading machine is a small-sized heading machine with a diameter of seven meters and five meters, and correspondingly, the diameter of the central passage 4 is two meters. The material transfer system enables the heading machine to be miniaturized and is naturally applicable to the heading machine with a large diameter.

The specific embodiment 2 of the material transfer system of the heading machine, which is provided by the utility model, is mainly different from the embodiment 1 in that: in embodiment 1, the track passes from the rotation region of crossbeam in the shield, it is corresponding, with one section design of track foremost in the shield for removable cantilever section, and the structure that basic section and cantilever section are connected is located the crossbeam rear, in this embodiment, the track passes through from the below or the top of the rotation region of crossbeam in the shield for the track can not take place to interfere with the pivoted crossbeam in the shield, and based on this, the structure that basic section and cantilever section are connected can not be located the crossbeam rear, only need be located the tool magazine can.

The specific embodiment 3 of the material transfer system of the heading machine, which is provided by the utility model, is mainly different from the embodiment 1 in that: in embodiment 1, the cantilever section and the base section are directly detachably connected in a butt joint manner, in this embodiment, the cantilever section and the base section are assembled in a telescopic manner, and the retraction amount of the cantilever section in the base section can ensure that the cantilever section can be retracted to the rear side of the beam as a whole. Of course, in other embodiments, the cantilever segment may be provided with a connecting structure detachably connected with a fixture near the base segment, such as a cutter head, so as to realize the butt joint of the cantilever segment and the base segment. For the inclined strut structure, the inclined strut structure can be detached or hinged on the cantilever section, so that the cantilever section can be retracted into the base section.

The specific embodiment 4 of the material transfer system of the heading machine provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the part demountable installation that track and material access door correspond in the shield is internal at the shield, make the track can not lead to the fact the influence to opening and shutting of material access door in the shield, in this embodiment, track and material access door complex part are fixed in the shield, for guaranteeing the switch that material access door can be normal, the track design is single track in the shield, meanwhile, with material access door design for opening the door, the groove of dodging with the track shape adaptation in the shield is seted up to the position that two pairs of opening doors are involutory, two material access doors press from both sides tight shield track and realize sealed cooperation when the material access door closes the back. Of course, in other embodiments, the rail surfaces of the inner rails may be flush with the lower edge of the material access door.

The specific embodiment 5 of the material transfer system of the heading machine, which is provided by the utility model, is mainly different from the embodiment 1 in that: in embodiment 1, the changeover portion is installed internal at the shield through the removable mounting structure of grafting form, and in this embodiment, removable mounting structure sets up the fixed orifices including setting up the otic placode of extending about on the track on the otic placode, corresponds and sets up the fixing base in the shield is internal, sets up the fixed orifices mating holes on the fixing base, fixes the changeover portion detachably at the shield internal through bolt and nut subassembly and fixed orifices mating holes cooperation.

The specific embodiment 6 of the material transfer system of the heading machine, which is provided by the utility model, is mainly different from the embodiment 1 in that: in embodiment 1, the locking structure at the rear end of the inner shield rail is a pin joint locking structure, in this embodiment, the locking structure at the rear end of the inner shield rail is a stopper detachably mounted on the inner shield rail, and when the material transfer trolley needs to be locked, the stopper is mounted on the rail and is in stop fit with the wheels of the material transfer trolley.

The specific embodiment 7 of the material transfer system of the heading machine, which is provided by the utility model, is mainly different from the embodiment 1 in that: in embodiment 1, the positioning structure on the material transfer trolley is an inclined plane, in this embodiment, the positioning structure is protrusions arranged side by side on the front end face of the tray, and a vertical plane where the foremost end of the protrusions arranged side by side is an inclined plane inclined in the front-rear direction.

The specific embodiment 8 of the material transfer system of the heading machine, which is provided by the utility model, is mainly different from the embodiment 1 in that: in embodiment 1, a heading machine is taken as an atmospheric cutterhead muddy water heading machine as an example to describe the heading machine material transfer system, in this embodiment, the heading machine material transfer system is applied to an earth pressure/open heading machine, specifically, a partition plate is fixed at the front end of an inner ring of a main drive of the heading machine to plug a central channel of the main drive and enclose an earth bin, and a material channel is arranged on the fixed partition plate. The inner rail of the shield extends into the soil bin. Of course, in other embodiments, the material transfer system of the heading machine can also be applied to any other suitable heading machine.

In the embodiment of the material transfer track applied to the heading machine, the material transfer track applied to the heading machine has the same structure as the inner shield track in any one of the embodiments 1 to 8 of the material transfer system of the heading machine, and the detailed description is omitted here.

Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made to the technical solutions described in the foregoing embodiments without inventive effort, or some technical features thereof can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a be applied to material transportation track of entry driving machine, characterized by, the split type structure of the last components of a whole that can function independently of front and back is transported to the material of being applied to entry driving machine, cantilever section (18) in sword storehouse (7) or the earth storehouse of extreme pressure formula blade disc rear side of front end for being used for extending normal pressure formula blade disc, cantilever section (18) rear side is for being used for arranging basic section (17) outside sword storehouse (7) or the earth storehouse, cantilever section (18) and basic section (17) detachable butt joint or flexible assembly extremely on basic section (17) or detachable connection dock with basic section (17) on the fixture near basic section (17), so that the cantilever section (18) can be removed from the knife compartment (7) or the soil compartment, the cantilever section (18) is provided with an inclined strut (19), so that the cantilever section (18) can be supported and matched with surrounding fixed structures through the inclined strut (19) after extending into the knife bin (7) or the soil bin.

2. The material transfer track applied to the heading machine according to claim 1, wherein the cantilever section (18) is butted with the base section (17), and the length of the base section (17) is such that the position where the cantilever section (18) is butted with the cantilever section can be arranged at the rear side of the rear cross beam (10) of the heading machine cutterhead (3), or the cantilever section (18) is telescopically assembled to the base section (17) and the retraction amount of the cantilever section (18) on the base section (17) can ensure that the whole can be retracted to the rear side of the rear cross beam (10) of the heading machine cutterhead (3).

3. The material transfer track applied to the heading machine according to claim 1 or 2, wherein the material transfer track applied to the heading machine is specifically applied to the heading machine with the cutterhead (3) being a normal pressure type cutterhead, the shield inner track (15) comprises a door outer section (20) used for being arranged on the door outer side of the material channel (8), a door inner section (21) used for being arranged on the door inner side of the material channel (8) and a transition section (22) used for connecting the door outer section (20) with the door inner section (21), the transition section (22) is provided with a detachable mounting structure matched with a corresponding mounting structure in the heading machine shield body (1), so that the transition section (22) can be detachably mounted in the shield body (1) of the corresponding heading machine, and the length of the transition section (22) meets the condition that the space given out by the transition section after disassembly can enable the door of the material channel (8) to be normally opened and closed.

4. The material transfer track for the heading machine according to claim 3, wherein the detachable mounting structure comprises a plug-in structure located on the transition section (22), and the transition section (22) is in plug-in fit with the plug-in fit structure in the heading machine shield body (1) in the up-down direction through the plug-in structure so as to realize detachable mounting of the transition section (22) in the corresponding heading machine shield body (1).

5. A material transfer system of a heading machine comprises a carrying mechanism for transferring materials at the tail of a shield body (1) to a position of a cutter head (3), and is characterized in that the carrying mechanism comprises a shield inner track (15) and a material transfer trolley (16), wherein the shield inner track (15) is the material transfer track applied to the heading machine according to any one of claims 1 to 4, and the material transfer trolley (16) is matched with the shield inner track (15) to realize the transfer of the materials along the shield inner track (15).

6. The material transfer system of the heading machine according to claim 5, wherein the material transfer trolley (16) comprises a traveling device matched with the shield inner rail (15) and a material tray arranged on the traveling device, and a positioning structure used for being in limit fit with a material package or the material is arranged on the material tray to limit the inclination angle posture of the material in the left-right direction.

7. The material transfer system of the heading machine of claim 6, wherein the positioning structure comprises a left positioning structure and a right positioning structure, and the left positioning structure and the right positioning structure are arranged in a left-right symmetrical manner.

8. A tunneller material handling system as claimed in claim 6 or claim 7 wherein the locating formation is a locating ramp.

9. The material transfer system of the heading machine according to any one of claims 5 to 7, wherein the rear end of the inner shield rail (15) is provided with a locking structure for locking the position of the material transfer trolley (16) so as to prevent the material transfer trolley (16) from automatically sliding forward.

10. The material transfer system of the heading machine according to any one of claims 5 to 7, wherein the front end of the inner shield rail (15) has a stopper structure for stopping the material transfer cart (16) to prevent the material transfer cart (16) from being pulled out from the front end of the inner shield rail (15).

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