CN213775388U - Cutter head of connecting channel tunneling machine - Google Patents
Cutter head of connecting channel tunneling machine Download PDFInfo
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- CN213775388U CN213775388U CN202022470841.2U CN202022470841U CN213775388U CN 213775388 U CN213775388 U CN 213775388U CN 202022470841 U CN202022470841 U CN 202022470841U CN 213775388 U CN213775388 U CN 213775388U
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Abstract
The utility model belongs to the technical field of underground works tunnel equipment. A cutter head of a connecting channel heading machine comprises a cutter head body, a central hob and a cutter box, wherein the cutter head body is of a spherical structure, and a central support shaft is arranged in the middle of the rear end of the cutter head body; the central hob is arranged in the middle of the front end of the cutter head body; the cutter head body is provided with a plurality of cutter boxes, each cutter box is internally and uniformly provided with a hob, and the hob and the cutter boxes are of a front-mounted detachable structure. The difficult problem that subway shield tunnel contact tunnel entry driving machine was used for hard rock stratum excavation has been solved in this application, has expanded contact tunnel entry driving machine application range, has realized that the various stratums of shield tunnel contact tunnel all can adopt the target of contact tunnel entry driving machine excavation, has guaranteed the safety and the efficiency of contact tunnel construction. Meanwhile, the geological adaptability of the cutter head of the connection channel heading machine is greatly improved, and the equipment cost and the construction cost are reduced.
Description
Technical Field
The utility model belongs to the technical field of underground works tunnel equipment, concretely relates to linkage tunnel entry driving machine blade disc.
Background
At present, a tunnel connection channel heading machine used in China tunnels soft soil strata, cutters arranged on a cutter head are suitable for the soft soil, and a scheme of the tunnel connection channel heading machine for the full-face hard rock strata is not disclosed in China.
A cutter head of a shield tunnel connection channel heading machine needs to cut off a circular tunnel segment successively in the construction process, a stratum between two shield tunnels needs to be excavated, when the stratum is hard rock, a full-disk hob needs to be arranged on the cutter head, and for a subway tunnel connection channel, the diameter is small, and the diameter is generally about 3 m. When the cutter head needs to be suitable for excavating a circular tunnel segment, the diameter of the cutter head is small, and the cutter head is driven to be in a central supporting mode, the design and arrangement difficulty of the full-disc hob is remarkably increased.
Disclosure of Invention
The utility model discloses the purpose is to the problem that above-mentioned exists with not enough, provides a linkage tunnel entry driving machine blade disc, its structural design is reasonable, and it can expand linkage tunnel entry driving machine application range, is applicable to various stratum operations, improves the geology adaptability of blade disc, reduces equipment cost and construction cost.
In order to realize the purpose, the adopted technical scheme is as follows:
a link tunnel boring machine cutter head, comprising:
the cutter head body is of a spherical structure, and a central support shaft is arranged in the middle of the rear end of the cutter head body;
the central hob is arranged in the middle of the front end of the cutter head body; and
the cutter box, it is a plurality of to distribute on the blade disc body the cutter box, at each the equipartition is equipped with the hobbing cutter in the cutter box, the hobbing cutter with the cutter box is front-mounted detachable construction.
According to the utility model discloses contact tunnel entry driving machine blade disc, preferably, the hobbing cutter on the blade disc body is arranged for full dish hobbing cutter, the outer terminal surface of the hobbing cutter on the blade disc body and the pipe sheet radian phase-match in the tunnel.
According to the utility model discloses contact passageway entry driving machine blade disc, preferably, the sword is torn including disc cutter and weak soil to the hobbing cutter in the cutter box, be provided with the assembly groove on the cutter box, the assembly groove bottom is provided with the first assembly draw-in groove that matches with the arbor of hobbing cutter, disc cutter or weak soil are torn the arbor of sword and are matchd the setting and be in first assembly draw-in groove still be provided with fixed cover plate through the bolt in the assembly groove, be provided with on the fixed cover plate with the second assembly draw-in groove that the arbor matches.
According to the utility model discloses contact passage entry driving machine blade disc, preferably, the blade disc body is including four group's girders that are the cross and arrange, four group's auxiliary girder and annular gusset that are the cross and arrange.
According to the utility model discloses contact tunnel boring machine blade disc, preferably, still include the scraper, the scraper passes through bolted connection to be fixed the girder lateral part.
According to the utility model discloses contact passage entry driving machine blade disc, preferably, be provided with the heavy platform of assembly that is the L type on the scraper, the girder lateral part be provided with the heavy platform of assembly corresponds the assembly piece, the scraper matches the laminating setting and is in on the assembly piece to it is fixed through bolted connection.
According to the utility model discloses contact passageway entry driving machine blade disc, preferably, be provided with dregs circulation passageway and high pressure water washing pipe on the blade disc body of center hobbing cutter bottom.
By adopting the technical scheme, the beneficial effects are as follows:
the difficult problem that subway shield tunnel contact tunnel entry driving machine was used for hard rock stratum excavation has been solved in this application, has expanded contact tunnel entry driving machine application range, has realized that the various stratums of shield tunnel contact tunnel all can adopt the target of contact tunnel entry driving machine excavation, has guaranteed the safety and the efficiency of contact tunnel construction. The arranged hob box can be provided with the disc hob and the soft soil tearing knife, so that the excavation of a full-section hard rock stratum is met, the soft soil stratum can be also suitable for the excavation of the soft soil stratum, the geological adaptability of the cutter head of the contact channel heading machine is greatly improved, and the equipment cost and the construction cost are reduced.
The cutter head body is in a four-main-beam + four-auxiliary-beam and spherical structure form, and the full-disc hob is arranged. When the circular tunnel segment is cut by the cutter disc, the cutter on the cutter disc is matched and matched with the arc-shaped segment, the cutter disc is prevented from being subjected to unbalance loading, and the rock breaking and excavating capacity of the full-face hard rock stratum is guaranteed by arranging the full-disc hob.
The cutter head driving of the application is in a center supporting mode. The soil bin with the small-diameter cutter head is ensured to have a larger space, and the flow of the muck is facilitated.
The hob on the cutter disc is detachable in front installation, and the disc hob can be exchanged with the soft soil tearing knife. The hobbing cutter has the advantages that the hobbing cutter is convenient to disassemble and replace, meanwhile, the hobbing cutter can be installed on the hobbing cutter box, the soft soil tearing cutter can also be installed on the hobbing cutter box, the hobbing cutter box is suitable for various stratums, and the geological adaptability of the cutter head of the contact channel heading machine is improved.
The utility model provides a design has dregs flow channel and high pressure water washing pipe at the bottom of the cutter head center hobbing cutter. The flowability of the residue soil at the bottom of the hob in the center of the cutterhead is ensured, and the phenomenon that the hob does not rotate and is abnormally damaged due to the fact that a mud cake is formed in the center of the cutterhead and the center hob is wrapped by the residue soil is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic structural diagram of a cutter head of a connection channel heading machine according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a cutter head of a connection channel heading machine according to an embodiment of the present invention.
Fig. 3 is a schematic view of a mounting structure of a disc cutter and a scraper according to an embodiment of the present invention.
Fig. 4 is according to the utility model discloses weak soil tearing knife's mounting structure sketch map.
Number in the figure:
100 is a cutterhead body, 110 is a main beam, 120 is an auxiliary beam, 130 is an annular rib plate, 140 is a knife box, 141 is an assembly groove, 142 is a first assembly clamping groove, 150 is a fixed cover plate, 151 is a second assembly clamping groove, 160 is a bolt, 170 is a central support shaft, 181 is a muck circulation channel, and 182 is a high-pressure water flushing pipe;
200 is a central hob;
300 is a disc cutter;
400 is a soft soil tearing knife;
500 is a scraper, 501 is an assembly sinking platform, and 502 is an assembly block.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.
It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1-4, the cutterhead of the linked tunnel boring machine comprises a cutterhead body 100, a central hob 200 and a cutter box 140, wherein the cutterhead body 100 is in a spherical structure, and a central support shaft 170 is arranged in the middle of the rear end of the cutterhead body 100; the central hob is arranged in the middle of the front end of the cutter head body; the cutter head body 100 is provided with a plurality of cutter boxes 140, and hobs are uniformly distributed in each cutter box 140, and the hobs and the cutter boxes 140 are of a front-mounted detachable structure.
Preferably, the cutterhead body in the embodiment includes four groups of main beams 110 arranged in a cross shape, four groups of secondary beams 120 arranged in a cross shape, and annular rib plates 130, as shown in fig. 2 in particular; the hob cutters on the cutterhead body 100 are arranged as full-disc hob cutters, and the outer end faces of the hob cutters on the cutterhead body 100 are matched with the radian of the tunnel inner tube sheets. Through the design of above-mentioned structure, the blade disc body of this application has arranged full hob for four girder + four auxiliary girder, spherical structure forms, when having guaranteed that the circular tunnel section of jurisdiction is amputated to the blade disc, cutter and the matching of convex section of jurisdiction coincide on the blade disc, avoid the blade disc to receive the unbalance loading, full hob arranges and has guaranteed to break rock excavation ability in full section hard rock stratum.
Hobbing cutter in the cutter box includes disc cutter 300 and soft soil tearing cutter 400, be provided with assembly groove 141 on the cutter box 140, the assembly groove bottom is provided with the first assembly draw-in groove 142 that matches with the arbor of hobbing cutter, disc cutter or soft soil tearing cutter's arbor match to be set up in the first assembly draw-in groove 142 still be provided with fixed apron 150 through bolt 160 in the assembly groove, be provided with on the fixed apron with second assembly draw-in groove 151 that the arbor matches. The hob on the cutter disc is detachable in front installation, and the disc hob can be exchanged with the soft soil tearing knife. The hobbing cutter has the advantages that the hobbing cutter is convenient to disassemble and replace, meanwhile, the hobbing cutter can be installed on the hobbing cutter box, the soft soil tearing cutter can also be installed on the hobbing cutter box, the hobbing cutter box is suitable for various stratums, and the geological adaptability of the cutter head of the contact channel heading machine is improved.
Further, the present application also includes a scraper 500, which is fastened to the side of the main beam by a bolt 160. Specifically, be provided with the heavy platform 501 of assembly that is the L type on the scraper, the girder lateral part be provided with the heavy platform of assembly corresponds assembly block 502, scraper 500 matches the laminating setting and is in on the assembly block 502 to it is fixed to connect through bolt 160.
A muck circulating channel 181 and a high-pressure water flushing pipe 182 are arranged on the cutterhead body at the bottom of the central hob. The cutter head drive of this application is the center support mode, cooperates the design of above-mentioned structure, has guaranteed to have great space in the minor diameter cutter head soil storehouse, guarantees cutter head center hobbing cutter bottom dregs mobility, prevents that cutter head center caking cake and center hobbing cutter from being lived by dregs parcel, causes the hobbing cutter not to change and the abnormal damage.
The difficult problem that subway shield tunnel contact tunnel entry driving machine was used for hard rock stratum excavation has been solved in this application, has expanded contact tunnel entry driving machine application range, has realized that the various stratums of shield tunnel contact tunnel all can adopt the target of contact tunnel entry driving machine excavation, has guaranteed the safety and the efficiency of contact tunnel construction. The arranged hob box can be provided with the disc hob and the soft soil tearing knife, so that the excavation of a full-section hard rock stratum is met, the soft soil stratum can be also suitable for the excavation of the soft soil stratum, the geological adaptability of the cutter head of the contact channel heading machine is greatly improved, and the equipment cost and the construction cost are reduced.
While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.
Claims (7)
1. The utility model provides a linkage tunnel boring machine blade disc which characterized in that includes:
the cutter head body is of a spherical structure, and a central support shaft is arranged in the middle of the rear end of the cutter head body;
the central hob is arranged in the middle of the front end of the cutter head body; and
the cutter box, it is a plurality of to distribute on the blade disc body the cutter box, at each the equipartition is equipped with the hobbing cutter in the cutter box, the hobbing cutter with the cutter box is front-mounted detachable construction.
2. The cutter head of the communication channel boring machine according to claim 1, wherein the hobs on the cutter head body are arranged as full hob hobs, and the outer end faces of the hobs on the cutter head body are matched with the radian of the tunnel inner tube pieces.
3. The cutter head of the communication channel heading machine according to claim 1 or 2, wherein the hob in the cutter box comprises a disc hob and a soft soil tearing cutter, an assembly groove is arranged on the cutter box, a first assembly clamping groove matched with a cutter shaft of the hob is arranged at the bottom of the assembly groove, the cutter shaft of the disc hob or the soft soil tearing cutter is arranged in the first assembly clamping groove in a matched manner, a fixed cover plate is further arranged in the assembly groove through a bolt, and a second assembly clamping groove matched with the cutter shaft is arranged on the fixed cover plate.
4. The cutter head of the communication channel heading machine according to claim 1, wherein the cutter head body comprises four groups of main beams arranged in a cross manner, four groups of auxiliary beams arranged in a cross manner, and annular rib plates.
5. The cutter head of a communication channel boring machine according to claim 4, further comprising a scraper fixed to the side of the main beam by bolting.
6. The cutter head of the communication channel heading machine of claim 5, wherein the scraper is provided with an L-shaped assembly sinking platform, the side of the main beam is provided with an assembly block corresponding to the assembly sinking platform, and the scraper is matched, attached and arranged on the assembly block and is fixedly connected through bolts.
7. The cutter head of the communication channel boring machine according to claim 1, wherein a muck passage and a high-pressure water flushing pipe are provided on the cutter head body at the bottom of the central hob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022470841.2U CN213775388U (en) | 2020-10-30 | 2020-10-30 | Cutter head of connecting channel tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022470841.2U CN213775388U (en) | 2020-10-30 | 2020-10-30 | Cutter head of connecting channel tunneling machine |
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| Publication Number | Publication Date |
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| CN213775388U true CN213775388U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022470841.2U Active CN213775388U (en) | 2020-10-30 | 2020-10-30 | Cutter head of connecting channel tunneling machine |
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| CN (1) | CN213775388U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482654A (en) * | 2021-08-25 | 2021-10-08 | 中国铁建重工集团股份有限公司 | Connecting passage tunneling machine and connecting passage construction method |
| CN113719298A (en) * | 2021-07-30 | 2021-11-30 | 太原理工大学 | Small-diameter cutter head and tunnel boring machine |
| WO2024061339A1 (en) * | 2022-09-22 | 2024-03-28 | 宁波用躬科技有限公司 | Cutter head for tunneling equipment and tunneling equipment having cutter head |
-
2020
- 2020-10-30 CN CN202022470841.2U patent/CN213775388U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719298A (en) * | 2021-07-30 | 2021-11-30 | 太原理工大学 | Small-diameter cutter head and tunnel boring machine |
| CN113482654A (en) * | 2021-08-25 | 2021-10-08 | 中国铁建重工集团股份有限公司 | Connecting passage tunneling machine and connecting passage construction method |
| WO2024061339A1 (en) * | 2022-09-22 | 2024-03-28 | 宁波用躬科技有限公司 | Cutter head for tunneling equipment and tunneling equipment having cutter head |
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