CN216866692U

CN216866692U - Heading machine cutter head and heading machine

Info

Publication number: CN216866692U
Application number: CN202123215963.8U
Authority: CN
Inventors: 徐纯杰; 张伟强; 代顺义; 卓庆敏; 王又增; 顾永升; 黄震; 叶超; 徐淼; 华翔; 李坤杰
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-01
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the field of tunneling equipment, and particularly relates to a heading machine cutter head and a heading machine, wherein the heading machine comprises a shield body, a main drive is arranged in the shield body, a cutter head is arranged on the main drive, the cutter head comprises a cutter mounting panel for mounting a cutter, the cutter mounting panel is provided with a cutter mounting position for mounting the cutter, the rear side of the cutter mounting panel is fixedly provided with a hoisting tool mounting structure for mounting a hoisting tool, when the heading machine cutter head stops to mount the cutter mounting position, the hoisting tool mounting structure is positioned above the cutter mounting position, the distance between the hoisting tool mounting structure and the cutter mounting position meets the requirements of the arrangement and the hoisting distance of the hoisting tool, when the cutter is mounted, the hoisting tool is hoisted by utilizing the hoisting tool, the hoisting tool in a small-size bin body is realized, the labor intensity of workers is reduced, namely, no hoisting equipment needs to be arranged in a cabin at the rear side of the cutter head of the heading machine, the cabin at the rear side of the cutter head can be miniaturized, and the heading machine can be further miniaturized.

Description

Heading machine cutter head and heading machine

Technical Field

The utility model belongs to the field of tunneling equipment, and particularly relates to a heading machine cutter head and a heading machine.

Background

In order to conveniently transport materials in the tunneling machine, a material transporting system is arranged in the tunneling machine. The novel cutter conveying system is particularly applied to a shield tunneling machine provided with a central cabin and a cutter head of a normal-pressure cutter head, particularly, a central cabin is enclosed by a central cabin shell fixed on a base body which is driven by a tunneling machine to enclose a central channel, a material channel for materials to pass through 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, when the materials are conveyed, the materials which need to be conveyed to the cutter head outside the central cabin, such as a cutter barrel with a cutter, are placed on the telescopic platform, and the materials are conveyed into the central cabin through the material channel door by the telescopic platform. After the materials are conveyed into the central cabin, the materials are lifted by the traveling crane equipment arranged in the central cabin, and the materials are lowered to the corresponding installation positions after crossing the cross beam at the rear side of the cutter head.

For a heading machine with the diameter of more than ten meters, the central cabin of the heading machine can meet the arrangement requirement of the object travelling crane equipment to continuously lift materials by a telescopic platform for transferring the materials, but for a miniaturized heading machine, the central cabin of the heading machine has relatively small space, the travelling crane equipment in the prior art cannot be arranged, the technical problem of difficulty in material transfer exists in the process of miniaturization of the heading machine, and the development of miniaturization of the heading machine is restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heading machine cutter head, which aims to solve the technical problem that the miniaturization of a heading machine is hindered due to the fact that a material is difficult to transfer because a hoisting device cannot be arranged in a bin chamber at the rear side of the miniaturized heading machine cutter head to hoist materials; the utility model also aims to provide a heading machine using the heading machine cutterhead.

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

the utility model provides a heading machine blade disc, has the dress sword position that is used for installing the cutter including the dress cutting edge panel that is used for installing the cutter on the dress cutting edge panel, dress cutting edge panel rear side is fixed with the instrument mounting structure that lifts by crane who is used for installing the instrument of lifting by crane, when the locking of heading machine blade disc is carried out the dress sword to dress sword position, lift by crane instrument mounting structure and be located the top of this dress sword position, and with this dress distance between the sword position satisfy the instrument of lifting by crane arrange with lift by crane apart from the requirement.

The beneficial effects are that: when the cutter is dismounted from the carrying mechanism and moves towards the corresponding cutter loading position or the dismounted cutter is placed on the carrying mechanism, a hoisting tool is installed on the rear side of the cutter loading panel of the cutter head through a hoisting tool installation structure, the cutter is hoisted by using the hoisting tool, during hoisting, the hoisting tool is installed through the hoisting tool installation structure and is positioned above the cutter loading position, and the distance between the hoisting tool installation structure and the cutter loading position enables the hoisting tool to have the hoisting distance for hoisting the cutter, so that the cutter is hoisted in a small-size bin body, the labor intensity of workers is reduced, the convenience for cutter transportation is improved, and the corresponding heading machine can be miniaturized.

As a further improvement, a cutter loading area is arranged on the cutter loading panel, at least two cutter loading positions are arranged in parallel in the cutter loading area along the radial direction of the cutter head, the hoisting tool mounting structure corresponding to the cutter loading area is arranged on one side, close to the center of the cutter head, of the cutter loading area along the radial direction of the cutter head, and the hoisting tool mounting structure corresponding to the cutter loading area is arranged on one side, close to the center of the cutter head, of the cutter loading area.

The beneficial effects are that: the cutter mounting positions are intensively arranged to form a cutter mounting area, and a hoisting tool mounting structure is correspondingly arranged aiming at the cutter mounting area, so that the number of the required hoisting tool mounting structures can be reduced, the frequency of rotating a cutter disc in the cutter mounting and dismounting processes is reduced, and the cutter replacing operation of the heading machine is more convenient.

As a further improvement, the number of the tool loading areas is at least two, the tool loading areas are arranged at intervals along the circumferential direction of the cutter head, the hoisting tool mounting structures corresponding to the tool loading areas are positioned on a circle with the center of the cutter head as the center of the circle, and the circle where the hoisting tool mounting structures are positioned is positioned between the tool loading areas and the center of the cutter head.

The beneficial effects are that: the lifting tool mounting structure is arranged between the cutter loading area and the center of the cutter head, so that a proper distance is reserved between the lifting tool mounting structure and the cutter loading area, the lifting tool can work smoothly, and the lifting tool cannot be oversized.

As a further improvement, the cutter loading area and the corresponding hoisting tool mounting structure are distributed on two sides of the center of the cutter head.

The beneficial effects are that: because the hoisting tool needs to have a certain hoisting space during working, the hoisting tool mounting structure and the cutter installing area are arranged on two sides of the center of the cutter head, so that the hoisting tool mounting structure and the cutter installing area have enough space, and the hoisting tool is convenient to arrange.

As a further improvement, at least one lifting tool mounting structure group is arranged corresponding to each tool mounting area, each lifting tool mounting structure group comprises two lifting tool mounting structures, and the two lifting tool mounting structures and the corresponding tool mounting positions in the tool mounting areas are arranged according to the position relation of three vertexes of a triangle.

The beneficial effects are that: because the cutter loading areas are generally arranged oppositely along the radial direction of the cutter head, the lifting tool mounting structure group is arranged aiming at the cutter loading areas, two lifting tool mounting structures of the lifting tool mounting structure group can be arranged at intervals along the circumferential direction of the cutter head, so that the influence of the lifting tool mounting structure arranged aiming at a certain cutter loading area on the cutter loading operation of the cutter loading area opposite to the cutter loading area is avoided, meanwhile, the lifting tool mounting structure group is arranged to provide a more reliable mounting base for the lifting tool, and the condition that the lifting tool and materials fall off in the lifting process is avoided.

As a further improvement, the hoisting tool mounting structure is a hoisting ring fixed on the cutter installing panel through a fixing structure.

The beneficial effects are that: the lifting tool is generally provided with a hook, and the lifting tool mounting structure is designed into a lifting ring, so that the lifting tool can be mounted on the lifting tool mounting structure conveniently.

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

the utility model provides a heading machine, includes the shield body, and the shield is internal to be provided with the main drive, is provided with the blade disc in the main drive, and the blade disc has the dress sword position that is used for installing the cutter including the dress cutting board that is used for installing the cutter on the dress cutting board, dress cutting board rear side is fixed with the instrument mounting structure that lifts by crane who is used for installing the instrument of lifting by crane, when the locking of heading machine blade disc is carried out the dress sword to dress cutting position, it is located the top of this dress cutting position to lift by crane the instrument mounting structure, and with this dress distance between the cutting position satisfy the arrangement of the instrument of lifting by crane with lift by crane apart from the requirement.

The beneficial effects are that: when the cutter is dismounted from the carrying mechanism and moves towards the corresponding cutter mounting position or the dismounted cutter is placed on the carrying mechanism, a hoisting tool is mounted on the rear side of the cutter mounting panel of the cutter head through a hoisting tool mounting structure, the cutter is hoisted by using the hoisting tool, during hoisting, the hoisting tool is mounted through the hoisting tool mounting structure and is positioned above the cutter mounting position, the hoisting distance for hoisting the cutter is ensured by the distance between the hoisting tool mounting structure and the cutter mounting position, the hoisting of the cutter in a small-size bin is realized, the labor intensity of workers is reduced, the convenience for cutter transportation is improved, and the development machine can be miniaturized.

Drawings

Fig. 1 is a schematic structural view of a part of the structure of a heading machine in embodiment 1 of the utility model;

fig. 2 is a structural schematic diagram of a cutterhead of the heading machine in embodiment 1 of the utility model;

fig. 3 is a schematic diagram of a state that a cutter head and a hoisting block of the heading machine in embodiment 1 of the utility model are matched to hoist materials;

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 cross beam; 10. an inner shield track; 11. a material transfer trolley; 12. a base section; 13. a cantilever section; 14. a hoisting ring; 15. a knife cylinder assembly; 16. hoisting a hoist; 17. a cutter mounting area; 18. a central swivel joint; 19. and (7) installing a cutter position.

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, which may be present, 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 meaning of the above terms in the present invention can be understood by those skilled in the art from 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 meanings of the above-mentioned terms in the present invention can be understood by those skilled in the art through specific situations.

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

In the embodiment 1 of the heading machine provided by the present invention, the structure of the heading machine in the present invention is described by taking the heading machine as a normal pressure cutterhead slurry heading machine, a cutter barrel assembly 15 composed of a cutter and a cutter barrel and a transported material as an example, and a material transfer operation as an example of transporting the material to the cutterhead, specifically as follows:

the heading machine provided by the embodiment has a partial structure 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 mounting panel 6 for mounting a cutter and a cutter magazine 7 located on the rear side of the cutter mounting 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 hermetically fixed with a central cabin clapboard 5, 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.

A material channel 8 is formed in the central cabin partition plate 5, and the material channel 8 is used for allowing materials to enter and exit the central cabin. A material passage door (not shown in the figure) is also arranged corresponding to the material passage 8 so as to meet the sealing performance and the pressure resistance of the central cabin. The material channel 8 is arranged right below the center of the central cabin partition plate 5, and the bottom of the material channel 8 is positioned at the bottom of the central channel 4.

As shown in fig. 1, a splayed beam 9 is arranged between the rear side of the cutter head 3 and the central rotary joint 18, the beam 9 is used for rigidly connecting the rotating part of the central rotary joint 18 with the cutter head 3, and the cutter head 3 is used for driving the rotating part of the central rotary joint 18 to rotate. As for the structure of the beam, in other embodiments, the beam may be any type of beam, such as a straight beam.

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 is further arranged in the heading machine, specifically, as shown in fig. 1, the material transport system comprises a carrying mechanism located in the shield body, and the carrying mechanism comprises an inner shield track 10 and a material transport trolley 11 matched with the inner shield track 10. Wherein, the part that track 10 corresponds with the material access door in the shield at least is removable for track 10 can not influence the normal opening and shutting of material access door in the shield.

As shown in fig. 1, the inner shield track 10 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 9 through into the knife compartment 7 of the cutterhead 3, such that the path of movement of the material transfer trolley 11 as a carrying body passes from the bottom of the central channel 4 and from below the cross beam 9 through into the knife compartment 7 of the cutterhead 3.

As shown in fig. 1, in order to ensure that the cutter head 3 operates normally, the inner shield track 10 is a split structure, and specifically includes a cantilever section 13, the front end of which extends into the cutter bin 7, and a base section 12 located behind the cantilever section 13, and during operation, the cantilever section 13 is in butt joint with the base section 12, so that the material transfer trolley 9 can transport materials into the cutter bin 7 through the lower side of the cross beam 9, and when the cutter head 3 needs to operate, the cantilever section 13 is detached. In this embodiment, the inner shield rail 10 passes through the area through which the cross beam 9 rotates, and therefore, the structure in which the base section 12 is connected to the cantilever section 13 is located on the rear side of the cross beam 9, so that the base section 12 does not interfere with the rotation of the cross beam 9.

The structure of the cutter head 3 is as shown in fig. 2 and 3, a hoisting tool mounting structure is fixed on the rear side of the cutter mounting panel 6 of the cutter head 3, in this embodiment, the hoisting tool mounting structure is specifically a hoisting ring 14, so after the material is conveyed into the cutter bin 7, since the small-sized cutter bin 7 and the central cabin cannot be provided with hoisting equipment, the material can be hoisted by fixing a hoisting hoist 16 on the hoisting ring 14 as shown in fig. 3. For the fixing mode of the hanging ring 14 on the cutter mounting panel 6, a structure of direct welding fixing can be adopted to fix the hanging ring on the cutter mounting panel, a mounting seat can be fixed on the cutter mounting panel, then the hanging ring 14 is fixed on the mounting seat in an indirect mode and fixed on the cutter mounting panel 6, and at the moment, the mounting seat forms the fixing structure of the hanging ring on the cutter mounting panel.

As shown in fig. 2, the tool mounting panel 6 has tool mounting areas 17 formed by intensively arranging the tool mounting locations 19, and therefore, a lifting tool mounting structure is correspondingly provided for each tool mounting area, in this embodiment, four tool mounting areas 17 are provided on the tool mounting panel 6, the four tool mounting areas 17 are arranged at equal intervals along the circumferential direction of the cutter head, and a lifting tool mounting structure is provided for each tool mounting area 17. Specifically, as shown in fig. 2 and 3, the tool loading area 17 and the corresponding hoisting tool mounting structure are distributed on two sides of the center of the cutter head, so as to meet the requirement of the distance between the fixed point of the hoisting hoist 16 and the tool mounting position during the operation. On the whole, the hoisting tool mounting structures corresponding to all the tool loading areas 17 are located on a circle with the center of the cutter head as the circle center, and the circle is located between the tool loading areas 17 and the center of the cutter head, so that the phenomenon that the distance between the hoisting tool mounting structures and the corresponding tool loading areas 17 is too large is avoided.

In this embodiment, one lifting tool mounting structure group is specifically arranged for each tool loading area, and each lifting tool mounting structure group includes two lifting tool mounting structures, that is, two lifting rings 14, as shown in fig. 2 and 3, the lifting tool mounting structure group arranged corresponding to one tool loading area 17 is located on both sides of the tool loading area opposite to the tool loading area 17, so that the influence of the arrangement of the lifting tool mounting structure on the subsequent tool loading operation on the tool loading position near the tool loading area is avoided. The two hoisting tool mounting structures and the target tool loading position are arranged in a triangular three-vertex relationship, so that the two hoisting hoists 16 are adopted to be matched with the hoisting tool cylinder assembly 15 as shown in fig. 3, and the position of the tool cylinder assembly 15 can be adjusted in the left-right direction by adjusting the lengths of slings of the two hoisting hoists 16 in the hoisting process.

The material transferring method of the heading machine is described by taking the example of transferring a cutter to the cutter head 3, specifically, the cutter head 3 is stopped to enable a cutter installing position 19 needing cutter changing to be located in the six o' clock direction, at the moment, a corresponding hoisting tool installing structure is located right above the cutter installing position 19, the material is placed on a material transferring trolley 11, a cutter cylinder assembly 15 is transferred into a cutter bin 7 by the material transferring trolley 11 along a shield inner rail 10, a hoisting hoist 16 is fixed on a cutter installing panel 6 and hoists the cutter cylinder assembly 15, then the material transferring trolley 11 is moved backwards, the cantilever section 13 is disassembled, the cutter cylinder assembly 15 is placed to the installing position, and subsequent installation is carried out. Therefore, the cabin at the rear side of the cutter head is not required to be provided with a traveling crane device, the requirement on the size of the cabin at the rear side of the cutter head is lower, and the miniaturized design of the heading machine is realized. In this embodiment, the diameter of the heading machine is seven meters, and correspondingly, the diameter of the central passage 4 is two meters. As described above, the cutter head of the heading machine according to the present invention enables the heading machine to be miniaturized, and is naturally applicable to a cutter head of a large-diameter heading machine, that is, the heading machine according to the present invention may also be a large-size heading machine.

In the embodiment, the heading machine is described by taking a lifting tool as a lifting hoist as an example, and in other embodiments, the lifting tool can be any miniaturized lifting tool which can be installed on a cutter head to lift materials, such as a lifting gear set capable of lifting materials in a labor-saving manner.

The specific embodiment 2 of the heading machine provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the carrying mechanism comprises track and material transport dolly in the shield, and in this embodiment, the carrying mechanism comprises plummer and flexible mounting structure, and the plummer is installed in the shield through flexible mounting structure, and the plummer that can bear the weight of the material is carried to blade disc position to the extension of hyperextension mounting structure, and simultaneously, the plummer can contract to material passageway door rear side through flexible mounting structure, ensures that the carrying mechanism can not lead to the fact the influence to opening and shutting of material passageway door.

The specific embodiment 3 of the heading machine provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the lifting tool mounting structure is a lifting ring, and in this embodiment, the lifting tool mounting structure is a hook.

The specific embodiment 4 of the heading machine provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the tool loading area and the corresponding hoisting tool mounting structure are distributed on two sides of the center of the cutter head, and in this embodiment, the tool loading area and the corresponding hoisting tool mounting structure are distributed on the same side of the center of the cutter head.

The specific embodiment 5 of the heading machine provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, a lifting tool mounting structure group is provided for the tool loading area, and in this embodiment, one lifting tool mounting structure is provided for the tool loading area.

The specific embodiment 6 of the heading machine provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, a structure and a material transfer method of the heading machine of the present invention are described by taking a heading machine as an atmospheric cutterhead slurry-water heading machine as an example. In other embodiments, the heading machine can be any other heading machine which can be provided with a lifting tool fixing structure at the rear side of the cutter mounting panel of the cutter head.

The specific embodiment 7 of the heading machine provided by the utility model is mainly different from the embodiment 1 in that: in embodiment 1, the carrying mechanism is composed of a shield inner rail and a material transfer trolley, in this embodiment, the carrying mechanism comprises a bearing disc and a sliding rope, the sliding rope extends into the cutter bin from the outside of the center bin through the center bin, the bearing disc is hung on the sliding rope and used for carrying materials, and when the materials are transferred, the bearing disc bears the materials and crosses over the upper portion of a cross beam on the rear side of the cutter disc along the sliding rope.

In the embodiment of the heading machine cutterhead of the utility model, the structure of the heading machine cutterhead is the same as that of the cutterhead in any one of the embodiments 1-7 of the heading machine, and the 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 in the technical solutions described in the foregoing embodiments without inventive effort, or some technical features of the present invention may be substituted 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

1. The utility model provides a heading machine blade disc, has dress sword position (19) that are used for installing the cutter including dress cutting edge plate (6) that are used for installing the cutter on dress cutting edge plate (6), characterized by, dress cutting edge plate (6) rear side is fixed with the instrument mounting structure that lifts by crane that is used for installing the instrument of lifting by crane, when the heading machine blade disc locking loads the sword to dress sword position (19), it is located the top of this dress sword position (19) to lift by crane the instrument mounting structure, and with this dress distance between the sword position (19) satisfy the arrangement of the instrument of lifting by crane with lift by crane apart from the requirement.

2. The heading machine cutterhead according to claim 1, wherein the cutter loading panel (6) is provided with a cutter loading area (17), at least two cutter loading positions (19) are arranged in parallel in the cutter loading area (17) along the radial direction of the cutterhead (3), the lifting tool mounting structure is arranged corresponding to the cutter loading area (17), and the lifting tool mounting structure corresponding to the cutter loading area (17) is arranged on one side of the cutter loading area (17) close to the center of the cutterhead (3) along the radial direction of the cutterhead (3).

3. The heading machine cutterhead according to claim 2, wherein there are at least two cutter loading areas (17), each cutter loading area (17) is arranged at intervals along the circumference of the cutterhead (3), the lifting tool mounting structure corresponding to each cutter loading area (17) is located on a circle with the center of the cutterhead (3) as the center, and the circle where the lifting tool mounting structure is located between the cutter loading area (17) and the center of the cutterhead (3).

4. A heading machine cutterhead according to claim 2 or 3, wherein the cutter loading areas (17) and the corresponding lifting tool mounting structures are distributed on both sides of the centre of the cutterhead (3).

5. A heading machine cutterhead according to claim 2 or 3, wherein there is at least one set of lifting tool mounting structures corresponding to each cutter mounting region (17), the set of lifting tool mounting structures including two of said lifting tool mounting structures, the two lifting tool mounting structures being arranged in positional relationship with the cutter mounting locations in the corresponding cutter mounting region in the three vertices of a triangle.

6. A heading machine cutterhead according to any one of claims 1-3, wherein the lifting tool mounting structure is a lifting ring (14) secured to the cutterhead panel (6) by a securing structure.

7. A heading machine comprises a shield body (1), a main drive (2) is arranged in the shield body (1), and a cutter head (3) is arranged on the main drive (2), and is characterized in that the cutter head (3) is the heading machine cutter head (3) according to any one of claims 1-6.