CN105507911A - Shield machine and cutter head thereof - Google Patents
Shield machine and cutter head thereof Download PDFInfo
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- CN105507911A CN105507911A CN201510976488.6A CN201510976488A CN105507911A CN 105507911 A CN105507911 A CN 105507911A CN 201510976488 A CN201510976488 A CN 201510976488A CN 105507911 A CN105507911 A CN 105507911A
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- cutterhead
- cutter
- shield machine
- spoke arm
- king spoke
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- 238000009434 installation Methods 0.000 claims description 13
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 230000008859 change Effects 0.000 description 16
- 230000003014 reinforcing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 210000001138 tear Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a shield machine and a cutter head thereof. The cutter head comprises a cutter head frame, a plurality of main spoke arms and normal-pressure replaceable cutter assemblies. The cutter head frame is provided with a front working surface; a normal-pressure cavity with an inlet and an outlet is defined in each main spoke arm, and the inlets and the outlets are formed in the rear side of the cutter head frame; the normal-pressure replaceable cutter assemblies comprise mounting seats, detachable cutters and replacing components, the cutters and the replacing components are arranged on the mounting seats in such a manner that the cutters and the replacing components can be relatively repositioned in the front-back directions in a switched manner, the normal-pressure replaceable cutter assemblies are arranged on the front surfaces of the main spoke arms, and the replacing components are positioned on the rear sides of the cutters when the cutter head works, so that the cutters can be spaced from the normal-pressure cavities; the replacing components are positioned on the front sides of the cutters when the cutters need to be replaced, so that the cutters can be communicated with the normal-pressure cavities, and the normal-pressure cavities can be spaced from a environment where the front working surface of the cutter head is positioned. The shield machine and the cutter head have the advantages that operators can conveniently enter the normal-pressure cavities, the cutters can be replaced in normal-pressure environments, and accordingly the personal safety of the operators can be guaranteed.
Description
Technical field
The present invention relates to shield machine technical field, especially relate to a kind of cutterhead and shield machine of shield machine.
Background technology
The hobboing cutter of the main option and installment of existing Big diameter slurry shield cutterhead changeable type with pressure and cutting class cutter, during tool changing, need to the pressurization of muddy water storehouse to maintain the stable of tunnel tunnel face, operating personnel must bear the hyperbaric environment in muddy water storehouse, and exchanging knives process length consuming time, costly, voltage raising and reducing process operation is improper easily causes permanent injury to the health of operating personnel.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of cutterhead of shield machine, can realize operating personnel's tool changing at ambient pressure, ensure that the personal safety of operating personnel.
The present invention also proposes a kind of shield machine, comprises the cutterhead of above-mentioned shield machine.
According to the cutterhead of the shield machine of the embodiment of the present invention, comprise cutterhead frame, described cutterhead frame has leading face and the rear fitting surface relative with described leading face, multiple king spoke arm, multiple described king spoke arm is located on described cutterhead frame along the circumferential direction interval of described cutterhead frame, on described leading face, the inner of described multiple king spoke arm is connected, limit the common pressure chamber with access in each described king spoke arm, described access is positioned at the rear side of described cutterhead frame, normal pressure changes formula toolbox, described normal pressure is changed formula toolbox and is comprised mount pad, dismountable cutter and switch piece, the installation cavity installing described cutter is provided with in described mount pad, the front and back relative position of described cutter and described switch piece is switchably located on described mount pad, the front surface of at least each described king spoke arm is provided with described normal pressure and changes formula toolbox, during described cutterhead work, described switch piece is positioned at the rear side of described cutter with spaced apart described cutter and described common pressure chamber, when changing described cutter, the front side that described switch piece is positioned at described cutter is to make described cutter to be communicated with described common pressure chamber and environmental gap residing for the leading face of described common pressure chamber and described cutterhead is opened.
According to the cutterhead of the shield machine of the embodiment of the present invention, by limiting common pressure chamber in king spoke arm, and normal pressure replacing formula toolbox is set at the front surface of at least each king spoke arm, and the front and back relative position of cutter and switch piece is switchably located on mount pad, on the one hand when a tool is changed, the front side that switch piece is positioned at cutter is to make cutter to be communicated with common pressure chamber and to make the environmental gap residing for the leading face of common pressure chamber and cutterhead open, thus convenient operation personnel enter in common pressure chamber, cutter is changed under atmospheric pressure environment, ensure that the personal safety of operating personnel, and avoid tool changing in the environment with certain pressure in prior art, be conducive to the expense of saving tool changing, shorten tool change time, thus the work recovering cutterhead is rapidly to ensure carrying out smoothly of shield machine headwork, on the other hand, when cutterhead works, switch piece is positioned at the rear side of cutter with spaced apart cutter and common pressure chamber, thus the mud etc. being conducive to producing when stopping shield machine driving enters in common pressure chamber, and then extends the application life of common pressure chamber.
According to some embodiments of the present invention, the opposing sidewalls of each described king spoke arm is provided with described normal pressure and changes formula toolbox.
According to some embodiments of the present invention, cutterhead also comprises intermediate bin, and described intermediate bin is established in the rear on fitting surface; Limit the intermediate space of rear portion opened in described intermediate bin, the access of each described common pressure chamber is positioned on the perisporium of described intermediate space.
According to some embodiments of the present invention, described cutter is located on described mount pad movably.
According to some embodiments of the present invention, multiple described king spoke arm is arranged along the circumferential direction uniform intervals of described cutterhead frame, and described king spoke arm is six.
According to some embodiments of the present invention, between often adjacent two described king spoke arms, be provided with at least one secondary spoke arm, and the both sides of each described secondary spoke arm are respectively equipped with replaceable scraper with pressure.
Further, a described secondary spoke arm is provided with between often adjacent two described king spoke arms.
According to some embodiments of the present invention, be provided with tool rest between described cutter and described mount pad, described cutter is rotatably mounted on described tool rest, and described tool rest is removably located on described mount pad.
According to some embodiments of the present invention, cutterhead also comprises the wear detector for detecting described cutter and/or described cutterhead abrasion condition.
Further, on the described wear detector front side wall that is located at described king spoke arm or described cutterhead frame.
According to some embodiments of the present invention, the cutter be located on the front surface of described king spoke arm is double-edged hobbing cutter.
According to the shield machine of the embodiment of the present invention, comprise the cutterhead of above-mentioned shield machine.
According to the shield machine of the embodiment of the present invention, by arranging above-mentioned cutterhead, being conducive to realizing operating personnel's rapid changing knife in atmospheric pressure environment, ensureing the personal safety of operating personnel, thus the work of fast quick-recovery cutterhead, guarantee carrying out smoothly of shield machine headwork.
Accompanying drawing explanation
Fig. 1 is the front view of the cutterhead of shield machine according to the embodiment of the present invention;
Fig. 2 is the structural representation of the cutterhead of shield machine according to the embodiment of the present invention;
Fig. 3 is the structural representation changing formula toolbox according to the normal pressure of the embodiment of the present invention;
Fig. 4 is that normal pressure changes the structural representation of formula toolbox according to another embodiment of the present invention;
Fig. 5 is that normal pressure changes the structural representation of formula toolbox according to another embodiment of the present invention.
Reference numeral:
Cutterhead 100;
Cutterhead frame 1;
King spoke arm 2; Common pressure chamber 21; Front panel 22; Postnotum 23; Side plate 24;
Normal pressure changes formula toolbox 3; Mount pad 31; Installation cavity 311; Switch piece 312; Moving member 313; Tool rest 32; Cutter 33;
Intermediate bin 4; Intermediate space 41;
Secondary spoke arm 5; Replaceable scraper 51 with pressure; Reinforcing rib 52;
Wear detector 6; First replaceable scraper 7 with pressure;
More creeling 81; Flanged plate 811; Mounting flange 812; Shrouding 813; Limiting plate 82; Connecting cylinder 83.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " top ", " end " " interior ", " outward ", " circumference " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Describe the cutterhead 100 according to the shield machine of the embodiment of the present invention below with reference to Fig. 1-Fig. 5, cutterhead 100 can be used in shield machine, for tunneling etc.
As shown in Figure 1, cutterhead frame 1, multiple king spoke arm 2 and normal pressure can be comprised according to the cutterhead 100 of the shield machine of the embodiment of the present invention and change formula toolbox 3.
Cutterhead frame 1 has leading face and the rear fitting surface relative with leading face.Such as, cutterhead frame 1 can be formed as annular (such as annular or side's annular), and the front surface of endless knife plate rail 1 is leading face, and rear surface is rear fitting surface.
Multiple king spoke arm 2 is located on cutterhead frame 1 along the circumferential direction interval of cutterhead frame 1, and on leading face, the inner of multiple king spoke arm 2 is connected.Such as, as depicted in figs. 1 and 2, on the one hand, on leading face, the inner of multiple king spoke arm 2 is connected with each other, on the other hand, the outer end of multiple king spoke arm 2 is located on cutterhead frame 1 along the circumferential direction interval of cutterhead frame 1, thus it is fixing to realize multiple king spoke arm 2 in this way.
Limit the common pressure chamber 21 with access in each king spoke arm 2, access is positioned at the rear side of cutterhead frame 1.Wherein, it should be noted that, the pressure in common pressure chamber 21 is a standard atmospheric pressure.
Particularly, as shown in Figure 3 and Figure 4, normal pressure replacing formula toolbox 3 comprises mount pad 31, dismountable cutter 33 and switch piece 312, the installation cavity 311 of mounting cutter 33 is provided with in mount pad 31, thus, cutter 33 is removably mounted in installation cavity 311, thus is convenient to the replacing to cutter 33.
The front surface of at least each king spoke arm 2 is provided with normal pressure and changes formula toolbox 3, that is, each king spoke arm 2 is equipped with normal pressure and changes formula toolbox 3, and normal pressure replacing formula toolbox 3 is at least be located on the front surface of king spoke arm 2.Such as, be equipped with normal pressure on the front surface of each king spoke arm 2 and on two relative sidewalls of each king spoke arm 2 and change formula toolbox 3, thus when cutterhead 100 is used on shield machine, to realize the driving to tunnel.Particularly, mount pad 31 can be fixed on king spoke arm 2 to realize changing normal pressure the setting of formula toolbox 3.
Particularly, the cutter 33 being arranged on the normal pressure replacing formula toolbox 3 at the diverse location place of each king spoke arm 2 can be different, and cutter 33 can be double-edged hobbing cutter, single-blade hob, scraper or serrated knife etc.Such as, when the front surface of each king spoke arm 2 with two sidewalls of the relative of each king spoke arm 2 being equipped with normal pressure and changing formula toolbox 3, wherein, if cutter on the front surface 33 can be double-edged hobbing cutter or single-blade hob (such as, as shown in Fig. 1 and Fig. 3, Fig. 5), the cutter 33 being located at two relative sidewalls of king spoke arm 2 can be scraper (such as, as shown in Figure 1 and Figure 4).
The front and back relative position of cutter 33 and switch piece 312 is switchably located on mount pad 31.When cutterhead 100 works, switch piece 312 is positioned at the rear side of cutter 33 with spaced apart cutter 33 and common pressure chamber 21, and thus, the mud etc. being conducive to producing when stopping shield machine driving enters in common pressure chamber 21, and then extends the application life of common pressure chamber 21.
When changing cutter 33, the front side that switch piece 312 is positioned at cutter 33 is to make cutter 33 to be communicated with common pressure chamber 21 and to make the environmental gap residing for the leading face of common pressure chamber 21 and cutterhead 100 open.Specifically, when changing cutter, in order to maintain the stable of tunnel tunnel face, need to pressurize to the muddy water storehouse of shield machine, but by the front side that makes switch piece 312 be positioned at cutter 33 to make cutter 33 to be communicated with common pressure chamber 21 and to make the hyperbaric environment residing for the leading face of common pressure chamber 21 and cutterhead 100 spaced apart, thus can convenient operation personnel enter in common pressure chamber 21, cutter 33 is changed under atmospheric pressure environment, ensure that the personal safety of operating personnel, and avoid tool changing in the environment with certain pressure in prior art, be conducive to the expense of saving tool changing, shorten tool change time, thus recover the work of cutterhead 100 rapidly to ensure carrying out smoothly of shield machine headwork.
According to the cutterhead 100 of the shield machine of the embodiment of the present invention, by limiting common pressure chamber 21 in king spoke arm 2, and normal pressure replacing formula toolbox 3 is set at the front surface of at least each king spoke arm 2, and make the front and back relative position of cutter 33 and switch piece 312 switchably be located on mount pad 31, on the one hand when changing cutter 33, the front side that switch piece 312 is positioned at cutter 33 is to make cutter 33 to be communicated with common pressure chamber 21 and to make the environmental gap residing for the leading face of common pressure chamber 21 and cutterhead 100 open, thus convenient operation personnel enter in common pressure chamber 21, cutter 33 is changed under atmospheric pressure environment, ensure that the personal safety of operating personnel, and avoid tool changing in the environment with certain pressure in prior art, be conducive to the expense of saving tool changing, shorten tool change time, thus recover the work of cutterhead 100 rapidly to ensure carrying out smoothly of shield machine headwork, on the other hand, when cutterhead work 100 is done, switch piece 312 is positioned at the rear side of cutter 33 with spaced apart cutter 33 and common pressure chamber 21, thus the mud etc. being conducive to producing when stopping shield machine driving enters in common pressure chamber 21, and then extends the application life of common pressure chamber 21.
According to some embodiments of we's invention, cutter 33 is located on mount pad 31 movably.Such as, cutter 33 is located in the installation cavity 311 of mount pad 31, and cutter 33 is removable on the fore-and-aft direction of mount pad 31, so that realize the switching of the front and back relative position of cutter 33 and switch piece 312, when cutter 33 moves to the rear side of switch piece 312, can disassemble from mount pad 31, so that the replacing to cutter 33.
Particularly, moving member 313 is provided with in installation cavity 311, moving member 313 is located on the sidewall of installation cavity 311 along the fore-and-aft direction of mount pad 31 movably, cutter 33 is suitable for being fixed on moving member 313, thus when moving member 313 moves relative to mount pad 31, so that cutter 33 moves relative to mount pad 31 with moving member 313.
Switch piece 312 is fixed on mount pad 31, and switch piece 312 is removable on the direction of the fore-and-aft direction perpendicular to mount pad 31.Switch piece 312 is configured to when moving member 313 moves up in the front and back of mount pad 31, switch piece 312 moves along the direction vertical with the fore-and-aft direction of mount pad 31 so that moving member 313 continues mobile in the longitudinal direction, when moving member 313 moves to extreme position, switch piece 312 moves with the environment residing for the leading face of interval common pressure chamber 21 and cutterhead 100.
Specifically, when changing cutter 33, moving member 313 moves in the longitudinal direction backward, and switch piece 312 moves up in the side perpendicular to fore-and-aft direction and away from installation cavity 311, so that moving member 313 continues to move backward, when moving member 313 move to switch piece 312 be positioned at front side (the above-mentioned extreme position) of cutter 33 time, switch piece 312 moves to be opened by the environmental gap residing for the leading face of common pressure chamber 21 and cutterhead 100 towards the direction near installation cavity 311, and cutter 33 is communicated with common pressure chamber 21, thus be convenient to change cutter 33 in the atmospheric pressure environment of common pressure chamber 21, guarantee the personal safety of operating personnel.
After having changed cutter 33, moving member 313 moves forward in the longitudinal direction, and switch piece 312 moves up in the side perpendicular to fore-and-aft direction and away from installation cavity 311, so that moving member 313 continues to move forward, when moving member 313 move to make switch piece 312 be positioned at rear side (the above-mentioned extreme position) of cutter 33 time, switch piece 312 towards move near the direction of installation cavity 311 with by cutter 33 and common pressure chamber 21 spaced apart, this can expose cutter 33 on the one hand so that the headwork of cutterhead 100, the mud etc. being conducive on the other hand producing when stopping shield machine driving enters in common pressure chamber 21, and then extend the application life of common pressure chamber 21.
Wherein, it should be noted that, " front " and " afterwards " direction, both comprised " just " and " just " direction, and also comprised " front " substantially and " afterwards " both direction substantially.And " front " and " afterwards " direction schematically illustrate the one in two relative directions, can not be interpreted as one restriction of the present invention.
Further, cutterhead 100 also comprises cutter changing assembly, and cutter changing assembly is removably connected to the rear side of mount pad 31, and wherein the rear side of moving member 313 is connected with cutter changing assembly.Because cutter changing assembly and mount pad 31 are for removably connecting, and cutter changing assembly is connected with moving member 313, when needs change cutter 33 (such as double-edged hobbing cutter or single-blade hob), moving member 313 and cutter changing assembly can be pulled down from mount pad 31, to change cutter 33.
As shown in Figure 5, cutter changing assembly comprises: more creeling 81, limiting plate 82 and connecting cylinder 83, more creeling 81 is connected to the rear side of mount pad 31, wherein, more creeling 81 is hollow structure, more one end away from limiting plate 82 (such as front end) of creeling 81 is provided with flanged plate 811, and more creeling 81 is connected with the mounting flange 812 of mount pad 31 by flanged plate 811, one end (such as rear end) of the vicinity that mounting flange 812 is located at mount pad 31 more creeling 81.Can be connected by the first bolt between flanged plate 811 with mounting flange 812.
The side away from mount pad 31 that limiting plate 82 is connected to more creeling 81 moves up in the side perpendicular to fore-and-aft direction to limit moving member.Thus, by arranging limiting plate 82, when changing cutter 33, the retraction amount of cutter 33 can be controlled by limiting plate 82, simply, reliably.
Connecting cylinder 83 is connected to the side away from more creeling 81 (such as, rear side) of limiting plate 82, and wherein the rear side of moving member is connected with connecting cylinder 83.
Moving member 313 is removable in the longitudinal direction by mobile driven unit, and the two ends of mobile driven unit are connected with connecting cylinder 83 with moving member 313 respectively.Alternatively, mobile driven unit is two-stage hydraulic cylinder.Specifically, adopt two-stage hydraulic cylinder to drive moving member 313 to move, one end of two-stage hydraulic cylinder can be bolted to by second on the shrouding 813 in moving member 313, and the other end of two-stage hydraulic cylinder can be connected with connecting cylinder 83 by steady pin.
Thus, driven the flexible rectilinear motion of moving member 313 by two-stage hydraulic cylinder, both can reduce the tool changing space of cutter 33 upper slitter beam, the semi-mechanization of exchanging knives process can be realized again, thus avoid the restriction because of cutter beam space, and cause operating personnel's operation to be obstructed; Meanwhile, adopt two-stage hydraulic cylinder to drive tool changing, not easily go wrong, safer.
Alternatively, switch piece 312 is gate.Gate can comprise one, as shown in Figure 3 and Figure 4.Certainly, the present invention is not limited thereto, gate can also comprise multiple, such as two, as shown in Figure 5.Two gates can be configured to when moving member 313 moves up in the front and back of mount pad 31, two gates are along vertical with the fore-and-aft direction of mount pad 31 and move so that moving member 313 continues mobile in the longitudinal direction towards direction away from each other, when moving member 313 moves to extreme position, two gates are close to each other with the environment residing for the leading face of interval common pressure chamber 21 and cutterhead 100.
According to some embodiments of the present invention, the opposing sidewalls of each king spoke arm 2 is provided with normal pressure and changes formula toolbox 3, thus is convenient to the excavation to tunnel.Such as, the opposing sidewalls of each king spoke arm 2 is respectively equipped with multiple normal pressure and changes formula toolbox 3, and multiple normal pressure changes the setting of formula toolbox 3 interval.Alternatively, the cutter 33 be located in the normal pressure replacing formula toolbox 3 in the opposing sidewalls of each king spoke arm 2 can be scraper.
Alternatively, the opposing sidewalls of each king spoke arm 2 all can be provided with multiple first replaceable scraper 7 with pressure.Further alternatively, the opposing sidewalls of each king spoke arm 2 all can be provided with multiple first replaceable scrapers 7 with pressure and multiple normal pressure replacing formula toolbox 3, and multiple first replaceable scrapers 7 with pressure and multiple normal pressure change the setting of formula toolbox 3 interval.Such as, as shown in Figure 1, the opposing sidewalls of each king spoke arm 2 is equipped with four the first replaceable scrapers 7 with pressure and five normal pressures replacing formula toolboxs 3, and the cutter 33 that normal pressure is changed in formula toolbox 3 is scraper.
It should be noted that herein, when the first replaceable scraper 7 with pressure weares and teares, when changing it, need could maintain the stable of tunnel tunnel face to the muddy water storehouse pressurization of shield machine, this carries out when the first replaceable scraper 7 with pressure is changed under certain pressure environment, cannot realize normal pressure tool changing.Therefore, " with pressure " mentioned all refers to that cutterhead 100 is in working environment herein and hereinafter, to the pressure environment residing for cutter with pressure during cutter changing with pressure.But, be understandable that, when cutterhead 100 is not in working environment, such as, when cutterhead 100 is on ground, also can realize the replacing to cutter with pressure at normal atmospheric pressure.
According to some embodiments of the present invention, cutterhead 100 also comprises intermediate bin 4, and intermediate bin 4 is located on rear fitting surface.Such as, intermediate bin 4 to be located on rear fitting surface and to be positioned at the center of rear fitting surface.
As shown in Figure 2, the intermediate space 41 of rear portion opened is limited in intermediate bin 4, the access of each common pressure chamber 21 is positioned on the perisporium of intermediate space 41, thus, when the normal pressure cutter 33 changed in formula toolbox 3 weares and teares and needs to change it, first operating personnel can enter intermediate space 41, and are entered in each common pressure chamber 21 by intermediate space 41 to realize the replacing to the cutter 33 on each king spoke arm 2.
Particularly, as shown in Figure 2, each king spoke arm 2 includes front panel 22, postnotum 23 and side plate 24, wherein, front panel 22 is the front side wall of king spoke arm 2, postnotum 23 is positioned at the rear side of front panel 22, and side plate 24 is connected between front panel 22 and postnotum 23 jointly to limit common pressure chamber 21 with front panel 22 and postnotum 23.Wherein, front panel 22, postnotum 23 and side plate 24 are all connected on the perisporium of intermediate space 41, and correspondingly with access arrange.Particularly, side plate 24 is formed as U-shape.
Alternatively, intermediate bin 4 is formed as cone shape substantially.Such as, intermediate bin 4 is formed as cone shape or approximate cone shape.Particularly, intermediate bin 4 comprises conical plate and cutterhead flange, cutterhead flange is positioned at the oral area of conical plate, intermediate space 41 is limited in conical plate, wherein access is positioned on the sidewall of conical plate, when operating personnel need to change cutter 33 in common pressure chamber 21, first can enter into intermediate space 41 through the through hole of cutterhead flange, and enter in corresponding common pressure chamber 21, to realize the replacing to the cutter 33 on the king spoke arm 2 of correspondence from intermediate space 41 by access.
Alternatively, front panel 22, postnotum 23 and side plate 24 are by being welded to connect.
According to some embodiments of the present invention, multiple king spoke arm 2 is arranged along the circumferential direction uniform intervals of cutterhead frame 1.Alternatively, as shown in Figure 1, king spoke arm 2 is six, and six king spoke arms 2 are disposed in an evenly spaced relation on cutterhead frame 1 along the circumferential direction of cutterhead frame 1, and thus, the angle between two often adjacent king spoke arms 2 is 60 °, and structure is simple.
According to some embodiments of invention, at least one secondary spoke arm 5 is provided with between two often adjacent king spoke arms 2, and the both sides of each secondary spoke arm 5 are respectively equipped with replaceable scraper 51 with pressure, thus when cutterhead 100 is used in shield machine, be conducive to the driving speed improving shield machine.
Alternatively, a secondary spoke arm 5 is provided with between two often adjacent king spoke arms 2.Such as, as shown in Figure 1, cutterhead frame 1 is formed as annular, six king spoke arms 2 are located on cutterhead frame 1 along the circumferential direction uniform intervals of cutterhead frame 1, and be provided with a secondary spoke arm 5 between two often adjacent king spoke arms 2, angle between each secondary spoke arm 5 and adjacent two king spoke arms 2 is 30 °, and structure is simple, reliably.
Certainly, in further embodiments, between two often adjacent king spoke arms 2, multiple secondary spoke arm 5 is provided with, and the multiple secondary spoke arm 5 uniform intervals distribution between adjacent two king spoke arms 2.Such as, cutterhead frame 1 is formed as annular, six king spoke arms 2 are located on cutterhead frame 1 along the circumferential direction uniform intervals of cutterhead frame 1, and being provided with two secondary spoke arms 5 between two often adjacent king spoke arms 2 and two secondary spoke arm 5 uniform intervals distributions, the angle thus between each secondary spoke arm 5 and adjacent king spoke arm 2 and between two adjacent secondary spoke arms 5 is 20 °.
Alternatively, between each king spoke arm 2 and secondary spoke arm 5, be equipped with multiple reinforcing rib 52, thus be conducive to improving the bonding strength between king spoke arm 2 and secondary spoke arm 5 and rigidity, and then improve bulk strength and the rigidity of cutterhead 100.Alternatively, reinforcing rib 52 is formed as arcuate shape.Alternatively, reinforcing rib is Q345 steel (yield strength is the steel of 345MPa) part.
According to some embodiments of the present invention, as shown in Figure 3, be provided with tool rest 32 between cutter 33 and mount pad 31, cutter 33 such as double-edged hobbing cutter is rotatably mounted on tool rest 32, and tool rest 32 is removably located on mount pad 31.Such as, cutter 33 is fixed on above-mentioned moving member 313 by tool rest 32, and removable and detachable relative to mount pad with above-mentioned moving member 313.Thus, on the one hand, be rotatably mounted on tool rest 32 by making cutter 33, thus when cutterhead 100 is used in shield machine, so that cutter 33 rotates the driving realized tunnel, on the other hand, can releasably be located on mount pad 31 by making tool rest 32, when cutter 33 serious wear needs to change it, by dismantling lower tool rest 32, so that change cutter 33.Again such as, between tool rest 32 with mount pad 31, screw is connected or buckle connects.
Certainly, in other embodiments of the present invention, can not also arrange tool rest 32 between cutter 33 and mount pad 31, namely cutter 33 such as scraper can be directly installed on mount pad 31, and structure is simple.
In some embodiments of the invention, cutterhead 100 also comprises the wear detector 6 for detecting cutter 33 and/or cutterhead 100 abrasion condition.Such as, when wear detector 6 detects cutter 33 serious wear, convenient operation personnel can change cutter 33 timely, simple and convenient.When wear detector 6 detects that cutterhead 100 weares and teares, convenient operation personnel cutterhead 100 can be keeped in repair in time.Be conducive to increasing work efficiency, be convenient to carrying out smoothly of shield machine headwork.Alternatively, wear detector 6 is fluid pressure type wear detector.
Further, on wear detector 6 front side wall that is located at king spoke arm 2 or cutterhead frame 1.Such as, as shown in Figure 1, the front side wall of each king spoke arm 2 is equipped with a wear detector 6, thus is convenient to the abrasion condition detecting cutter 33 and/or cutterhead 100, so that operating personnel change cutter 33 or maintenance cutterhead 100 in time.
Alternatively, as shown in figures 1 and 3, the cutter 33 be located on the front surface of king spoke arm 2 is double-edged hobbing cutter, thus, using double-edged hobbing cutter as main broken rock cutter, so that improve the speed of the headwork of shield machine, can accelerate the construction speed of engineering.
According to the shield machine of the embodiment of the present invention, comprise the cutterhead 100 of above-mentioned shield machine.
According to the shield machine of the embodiment of the present invention, by arranging above-mentioned cutterhead 100, being conducive to realizing operating personnel's rapid changing knife in atmospheric pressure environment, ensureing the personal safety of operating personnel, thus the work of fast quick-recovery cutterhead 100, guarantee carrying out smoothly of shield machine headwork.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this manual or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (12)
1. a cutterhead for shield machine, is characterized in that, comprising:
Cutterhead frame, described cutterhead frame has leading face and the rear fitting surface relative with described leading face;
Multiple king spoke arm, multiple described king spoke arm is located on described cutterhead frame along the circumferential direction interval of described cutterhead frame, on described leading face, the inner of described multiple king spoke arm is connected, limit the common pressure chamber with access in each described king spoke arm, described access is positioned at the rear side of described cutterhead frame;
Normal pressure changes formula toolbox, described normal pressure is changed formula toolbox and is comprised mount pad, dismountable cutter and switch piece, the installation cavity installing described cutter is provided with in described mount pad, the front and back relative position of described cutter and described switch piece is switchably located on described mount pad, the front surface of at least each described king spoke arm is provided with described normal pressure and changes formula toolbox, during described cutterhead work, described switch piece is positioned at the rear side of described cutter with spaced apart described cutter and described common pressure chamber, when changing described cutter, the front side that described switch piece is positioned at described cutter is to make described cutter to be communicated with described common pressure chamber and environmental gap residing for the leading face of described common pressure chamber and described cutterhead is opened.
2. the cutterhead of shield machine according to claim 1, is characterized in that, the opposing sidewalls of each described king spoke arm is provided with described normal pressure and changes formula toolbox.
3. the cutterhead of shield machine according to claim 1, is characterized in that, also comprises intermediate bin, and described intermediate bin is established in the rear on fitting surface; Limit the intermediate space of rear portion opened in described intermediate bin, the access of each described common pressure chamber is positioned on the perisporium of described intermediate space.
4. the cutterhead of shield machine according to claim 1, is characterized in that, described cutter is located on described mount pad movably.
5. the cutterhead of shield machine according to claim 1, is characterized in that, multiple described king spoke arm is arranged along the circumferential direction uniform intervals of described cutterhead frame, and described king spoke arm is six.
6. the cutterhead of shield machine according to claim 1, is characterized in that, is provided with at least one secondary spoke arm between often adjacent two described king spoke arms, and the both sides of each described secondary spoke arm are respectively equipped with replaceable scraper with pressure.
7. the cutterhead of shield machine according to claim 6, is characterized in that, is provided with a described secondary spoke arm between often adjacent two described king spoke arms.
8. the cutterhead of shield machine according to claim 1, is characterized in that, is provided with tool rest between described cutter and described mount pad, and described cutter is rotatably mounted on described tool rest, and described tool rest is removably located on described mount pad.
9. the cutterhead of shield machine according to claim 1, is characterized in that, also comprises the wear detector for detecting described cutter and/or described cutterhead abrasion condition.
10. the cutterhead of shield machine according to claim 9, is characterized in that, on the front side wall that described wear detector is located at described king spoke arm or described cutterhead frame.
The cutterhead of 11. shield machines according to any one of claim 1-10, it is characterized in that, the cutter be located on the front surface of described king spoke arm is double-edged hobbing cutter.
12. 1 kinds of shield machines, is characterized in that, comprise the cutterhead of the shield machine according to any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976488.6A CN105507911A (en) | 2015-12-22 | 2015-12-22 | Shield machine and cutter head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976488.6A CN105507911A (en) | 2015-12-22 | 2015-12-22 | Shield machine and cutter head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105507911A true CN105507911A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510976488.6A Pending CN105507911A (en) | 2015-12-22 | 2015-12-22 | Shield machine and cutter head thereof |
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| CN (1) | CN105507911A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522970A (en) * | 2016-12-30 | 2017-03-22 | 中铁工程装备集团有限公司 | Shield cutter head with refrigeration function and shield tunneling machine |
| CN106555594A (en) * | 2016-12-05 | 2017-04-05 | 中铁工程装备集团有限公司 | A kind of normal pressure tool changing cutterhead |
| CN108168808A (en) * | 2017-12-22 | 2018-06-15 | 武汉大学 | A kind of shield cutter wear test model cutterhead of adjustable structure |
| CN108266200A (en) * | 2018-03-07 | 2018-07-10 | 中铁隧道局集团有限公司 | Shield machine normal pressure tool changing knife lid, knife cylinder and cutter replacing method |
| WO2018188527A1 (en) * | 2017-04-10 | 2018-10-18 | 中铁十四局集团有限公司 | Process method for exchanging hob and toothed cutter at atmospheric pressure for use in composite stratum shield |
| CN109779646A (en) * | 2019-03-29 | 2019-05-21 | 中国铁建重工集团有限公司 | A kind of simulation tool changing device |
| CN111206940A (en) * | 2020-03-31 | 2020-05-29 | 中铁工程装备集团有限公司 | Knife interval arrangement device for normal-pressure knife disc |
| CN113513338A (en) * | 2021-08-04 | 2021-10-19 | 华东交通大学 | Annular support suitable for shield tunnel water collecting well construction and working method |
| CN113530562A (en) * | 2021-07-05 | 2021-10-22 | 常州赑贝机械科技有限公司 | Stabilizing mechanism of shield machine and shield machine |
| CN113719298A (en) * | 2021-07-30 | 2021-11-30 | 太原理工大学 | Small-diameter cutter head and tunnel boring machine |
| WO2023125651A1 (en) * | 2021-12-28 | 2023-07-06 | 中铁工程装备集团有限公司 | Cutter device, tunneling machine, and cutter changing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555594A (en) * | 2016-12-05 | 2017-04-05 | 中铁工程装备集团有限公司 | A kind of normal pressure tool changing cutterhead |
| WO2018103535A1 (en) * | 2016-12-05 | 2018-06-14 | 中铁工程装备集团有限公司 | Normal-pressure replacement cutter disc |
| CN106555594B (en) * | 2016-12-05 | 2019-05-31 | 中铁工程装备集团有限公司 | A kind of normal pressure tool changing cutterhead |
| CN106522970A (en) * | 2016-12-30 | 2017-03-22 | 中铁工程装备集团有限公司 | Shield cutter head with refrigeration function and shield tunneling machine |
| WO2018188527A1 (en) * | 2017-04-10 | 2018-10-18 | 中铁十四局集团有限公司 | Process method for exchanging hob and toothed cutter at atmospheric pressure for use in composite stratum shield |
| CN108168808A (en) * | 2017-12-22 | 2018-06-15 | 武汉大学 | A kind of shield cutter wear test model cutterhead of adjustable structure |
| CN108266200B (en) * | 2018-03-07 | 2024-06-11 | 中铁隧道局集团有限公司 | Normal-pressure cutter changing cutter cover, cutter barrel and cutter changing method of shield machine |
| CN108266200A (en) * | 2018-03-07 | 2018-07-10 | 中铁隧道局集团有限公司 | Shield machine normal pressure tool changing knife lid, knife cylinder and cutter replacing method |
| CN109779646A (en) * | 2019-03-29 | 2019-05-21 | 中国铁建重工集团有限公司 | A kind of simulation tool changing device |
| CN109779646B (en) * | 2019-03-29 | 2024-02-02 | 中国铁建重工集团股份有限公司 | Analog tool changing device |
| CN111206940A (en) * | 2020-03-31 | 2020-05-29 | 中铁工程装备集团有限公司 | Knife interval arrangement device for normal-pressure knife disc |
| CN113530562A (en) * | 2021-07-05 | 2021-10-22 | 常州赑贝机械科技有限公司 | Stabilizing mechanism of shield machine and shield machine |
| CN113719298A (en) * | 2021-07-30 | 2021-11-30 | 太原理工大学 | Small-diameter cutter head and tunnel boring machine |
| CN113513338A (en) * | 2021-08-04 | 2021-10-19 | 华东交通大学 | Annular support suitable for shield tunnel water collecting well construction and working method |
| WO2023125651A1 (en) * | 2021-12-28 | 2023-07-06 | 中铁工程装备集团有限公司 | Cutter device, tunneling machine, and cutter changing method |
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Application publication date: 20160420 |