CN104453926A - Rectangular shield cutter head device and synchronous control method thereof - Google Patents
Rectangular shield cutter head device and synchronous control method thereof Download PDFInfo
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- CN104453926A CN104453926A CN201410837511.9A CN201410837511A CN104453926A CN 104453926 A CN104453926 A CN 104453926A CN 201410837511 A CN201410837511 A CN 201410837511A CN 104453926 A CN104453926 A CN 104453926A
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- 238000000034 method Methods 0.000 title abstract description 19
- 230000001360 synchronised effect Effects 0.000 title abstract description 6
- 241000239290 Araneae Species 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 description 9
- 230000005641 tunneling Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000011218 segmentation 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 rectangular shield cutter head device and a synchronous control method of the rectangular shield cutter head device. The cutter head device comprises a first cutter head, a second cutter head, an eccentric multi-axis special-shaped cutter head, a first cutter head driver, a second cutter head driver and an eccentric multi-axis special-shaped cutter head driver, wherein the first cutter head and the second cutter head are arranged on a front section shell at a set angle difference, the eccentric multi-axis special-shaped cutter head is located behind the first cutter head and the second cutter head, the first cutter head driver is used for driving the first cutter head to conduct circular motion, the second cutter head driver is used for driving the second cutter head to conduct circular motion, and the eccentric multi-axis special-shaped cutter head driver is used for driving the eccentric multi-axis special-shaped cutter head to conduct eccentric rotational motion. The first cutter head and the second cutter head are X-shaped spoke type structure cutter heads, the set angle difference ranges from 80 degrees to 100 degrees, and the center distance of the first cutter head and the second cutter head is smaller than the sum of the radius of the first cutter head and the radius of the second cutter head. The first cutter head and the second cutter head do not collide with each other and conduct excavation on a first work face, the eccentric multi-axis special-shaped cutter head conducts cutting on a second work face, the whole cutter head device conducts cutting in a rectangular section at the maximum area, the whole excavation face is made to be rectangular, and full section cutting is achieved.
Description
Technical field
The present invention relates to tunneling shield technical field, refer in particular to a kind of cutter head and synchronisation control means thereof of rectangular shield.
Background technology
Along with China's sustain economic stably increases, the further quickening of urbanization process, the demand of the subterranean tunnel of China is also increasing year by year.In addition people are to the enhancing of environmental protection consciousness, and rectangular shield technology will play more and more consequence and effect in the construction of China's underground utilities.The development of trenchless technology will to scale, standardization, international future development.
But rectangular shield technology is also faced with many challenges while development, wherein, the control method of Cutting tool is exactly one of important challenge.Common cutterhead control method can not ensure that the cutting between rectangular shield multi-cutter-disk remains and synchronously carry out, and can affect constructing tunnel quality like this.Therefore, be necessary to improve the control method of existing rectangular shield cutterhead.In addition, Cutting tool is also one of important challenge.Common Cutting tool can not realize tunneling boring shear action, will directly affect constructing tunnel quality.
Therefore, carrying out improvement to existing rectangular shield cutter head is this area problem demanding prompt solution.
Summary of the invention
Because the problems referred to above, the invention provides a kind of cutter head of rectangular shield, be arranged on the front piece housing of shield machine, described cutter head comprises:
The first cutterhead and second cutterhead of the front end of described front piece housing is arranged at by set angle difference, be positioned at the eccentric multi-shaft abnormity cutterhead at described first cutterhead and described second cutterhead rear, for the first cutter plate driver driving described first cutterhead to circle, for the second cutter plate driver driving described second cutterhead to circle, and the eccentric multi-shaft abnormity cutter plate driver for driving described eccentric multi-shaft abnormity cutterhead to do eccentric gyration, wherein, described first cutterhead and described second cutterhead are X-shaped spoke type structure cutterhead, described set angle difference is 80 degree to 100 degree, the center to center distance of described first cutterhead and described second cutterhead is less than the radius sum of described first cutterhead and described second cutterhead.
The cutter head of rectangular shield of the present invention is by the first cutterhead cut in first job face and the second cutterhead two large cutterheads and form at the eccentric multi-shaft abnormity cutterhead that second work plane cuts, and can carry out the Rectangular Tunnel Construction of super large rectangular cross section.First cutterhead and the second cutterhead excavation face major part faced by first job is excavated, and the soil body in simultaneously supporting excavation face, utilize eccentric multi-shaft abnormity cutterhead to the first cutterhead and the second cutterhead cut section gap carry out second work plane and cut, make whole excavation face rectangular, complete tunneling boring and cut.The design of the first cutterhead and the second cutterhead should ensure that and not collide each other, in rectangular cross section, maximum area is cut to make the first cutterhead and the second cutterhead, the first cutterhead and the second knife cutting area cut outward less than part by eccentric multi-shaft abnormity cutterhead cut, and the area of cut of eccentric multi-shaft abnormity cutterhead is greater than the area that the first cutterhead and the second cutterhead can not cut, make whole excavation face rectangular, thus reach tunneling boring cutting.
The further improvement of the cutter head of rectangular shield of the present invention is, described set angle difference is 90 degree.
The further improvement of the cutter head of rectangular shield of the present invention is, described first cutterhead and described second cutterhead include cutter chuck holder adapted and be circumferentially symmetricly set in two fan-shaped cutterheads on described cutter chuck holder adapted.
The further improvement of the cutter head of rectangular shield of the present invention is, is separated into multiple unearthed hole in described fan-shaped cutterhead by arc and straight plate.
The further improvement of the cutter head of rectangular shield of the present invention is, the front end face of described front piece housing offers the first connecting hole supplying the first driving shaft of described first cutter plate driver to wear and the second connecting hole worn for the second driving shaft of described second cutter plate driver, described first driving shaft is connected by the cutter chuck holder adapted of high-strength bolt with described first cutterhead, and described second driving shaft is connected by the cutter chuck holder adapted of high-strength bolt with described second cutterhead.
The further improvement of the cutter head of rectangular shield of the present invention is, described eccentric multi-shaft abnormity cutterhead comprises middle brace rod and is symmetricly set in two strip cutterheads at described middle brace rod two ends.
The further improvement of the cutter head of rectangular shield of the present invention is, becomes multiple unearthed hole in described strip cutterhead by baffle for separating.
The further improvement of the cutter head of rectangular shield of the present invention is, the bearing spider that described eccentric multi-shaft abnormity cutter plate driver comprises main bearing seat, is fixed in the eccentric crankshaft on described main bearing seat and is fixed on described eccentric crankshaft, described bearing spider is connected with described eccentric multi-shaft abnormity cutterhead by high-strength bolt.
The further improvement of the cutter head of rectangular shield of the present invention is, the quantity of described eccentric multi-shaft abnormity cutter plate driver is four, two described strip cutterheads is symmetrically connected with respectively two described eccentric multi-shaft abnormity cutter plate driver.
Present invention also offers a kind of synchronisation control means of cutter head of rectangular shield, comprising:
There is provided by set angle difference arrange the first cutterhead and the second cutterhead, for measuring the first angle detector of the angle of described first cutterhead and described second cutterhead, and for the cutterhead Rotating speed measring instrument of the rotating speed that measures described first cutterhead and described second cutterhead, for controlling the control device of the rotating speed of described first cutterhead and described second cutterhead, wherein, described first cutterhead and described second cutterhead are X-shaped spoke type structure cutterhead, and described set angle difference is 80 degree to 100 degree;
The center to center distance of described first cutterhead and described second cutterhead is set to the radius sum being less than described first cutterhead and described second cutterhead;
Start described first cutterhead and described second cutterhead, recorded the angle of described first cutterhead and described second cutterhead by described first angle detector in real time;
The real-time angular that described control device calculates described first cutterhead and described second cutterhead is poor, described real-time angular difference is compared with described set angle difference;
Described control device, according to the testing result of comparative result and described cutterhead Rotating speed measring instrument, is revised the rotating speed of described first cutterhead and described second cutterhead;
Described control device, based on correction result, exports the first tach signal and the second tach signal respectively to described first cutterhead and described second cutterhead, makes the described real-time angular difference recorded equal described set angle poor.
The synchronisation control means of the cutter head of rectangular shield of the present invention, compared with set angle difference by the real-time angular difference of the first angle detector the real time measure first cutterhead and the second cutterhead, the rotating speed of the first cutterhead and the second cutterhead is regulated again by control device, make the first cutterhead identical with set angle difference with the differential seat angle of the second cutterhead, thus ensure that mutual interference does not occur for the first cutterhead and the second cutterhead, and guarantee the synchronous of the first cutterhead and the second cutterhead rotating speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cutter head of rectangular shield of the present invention.
Fig. 2 is the mounting points position schematic diagram of cutter head in front end shell of rectangular shield of the present invention.
Fig. 3 is the structural representation of the eccentric multi-shaft abnormity cutterhead of the cutter head of rectangular shield of the present invention.
Fig. 4 is the enlarged diagram of the eccentric multi-shaft abnormity cutter plate driver of the cutter head of rectangular shield of the present invention.
Fig. 5 is the flow chart of the synchronisation control means of the cutter head of rectangular shield of the present invention.
Fig. 6 is the control principle drawing of the synchronisation control means of the cutter head of rectangular shield of the present invention.
Fig. 7 is the flow chart that the rotating speed of control device to the first cutterhead and the second cutterhead of the synchronisation control means of the cutter head of rectangular shield of the present invention is revised.
Fig. 8 is the flow chart of the method for adjusting rotation speed of the eccentric multi-shaft abnormity cutterhead of the synchronisation control means of the cutter head of rectangular shield of the present invention.
Fig. 9 is the flow chart of the main eccentric crankshaft of the synchronisation control means of the cutter head of rectangular shield of the present invention and the angle regulation method of auxiliary eccentric crankshaft.
Figure 10 is the flow chart of the control method of the shield driving speed of the synchronisation control means of the cutter head of rectangular shield of the present invention.
Figure 11 is the flow chart of the zeroing step of the synchronisation control means of the cutter head of rectangular shield of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the structural representation of the cutter head of rectangular shield of the present invention, and coordinate referring to shown in Fig. 1, the cutter head of rectangular shield of the present invention, be arranged on the front piece housing of shield machine, described cutter head comprises:
The first cutterhead 10 and the second cutterhead 20 of the front end of described front piece housing is arranged at by set angle difference, be positioned at the eccentric multi-shaft abnormity cutterhead 30 at described first cutterhead 10 and described second cutterhead 20 rear, for the first cutter plate driver driving described first cutterhead 10 to circle, for the second cutter plate driver driving described second cutterhead 20 to circle, and the eccentric multi-shaft abnormity cutter plate driver for driving described eccentric multi-shaft abnormity cutterhead 30 to do eccentric gyration, wherein, described first cutterhead 10 is X-shaped spoke type structure cutterhead with described second cutterhead 20, described set angle difference is 80 degree to 100 degree, described first cutterhead 10 and the center to center distance of described second cutterhead 20 are less than the radius sum of described first cutterhead 10 and described second cutterhead 20.Preferably, described set angle difference is 90 degree.
Particularly, described first cutterhead 10 is X-shaped spoke type structure cutterhead with described second cutterhead 20, and described first cutterhead 10 includes cutter chuck holder adapted 110,210 with described second cutterhead 20 and is circumferentially symmetricly set in two fan-shaped cutterheads 120,220 on described cutter chuck holder adapted 110,210.Multiple unearthed hole 150,250 is separated into by arc 130,230 and straight plate 140,240 in described fan-shaped cutterhead 120,220.Wherein, described fan-shaped cutterhead 120,220 and described straight plate 140,240 are all provided with cutting tool near the front end face of cutter body.
Composition graphs 2 is with shown in Fig. 3, the front end face of described front piece housing offers the first connecting hole 410 supplying the first driving shaft of described first cutter plate driver to wear and the second connecting hole 420 worn for the second driving shaft of described second cutter plate driver, described first driving shaft is connected by the cutter chuck holder adapted 110 of high-strength bolt with described first cutterhead 10, and described second driving shaft is connected by the cutter chuck holder adapted 210 of high-strength bolt with described second cutterhead 20.Described first cutterhead 10 moves in a circle and carries out soil cutting under the effect of described first cutter plate driver, and described second cutterhead 20 moves in a circle and carries out soil cutting under the effect of described second cutter plate driver.
Composition graphs 2 is with shown in Fig. 3, and described eccentric multi-shaft abnormity cutterhead 30 is class I-shaped structure cutterhead, and described eccentric multi-shaft abnormity cutterhead 30 comprises middle brace rod 310 and is symmetricly set in two strip cutterheads 320 at described middle brace rod 310 two ends.Multiple unearthed hole 340 is separated into by dividing plate 330 in described strip cutterhead 320.Wherein, described strip cutterhead 320 and described dividing plate 330 are all provided with cutting tool near the side of cutter body.
Further, composition graphs 2 is with shown in Fig. 4, the bearing spider 530 that described eccentric multi-shaft abnormity cutter plate driver 50 comprises main bearing seat 510, is fixed in the eccentric crankshaft 520 on described main bearing seat 510 and is fixed on described eccentric crankshaft 520, described bearing spider 530 is connected with described eccentric multi-shaft abnormity cutterhead 30 by high-strength bolt.Described eccentric multi-shaft abnormity cutterhead 30 does eccentric gyration and carries out soil cutting under the effect of described eccentric multi-shaft abnormity cutter plate driver 50.Especially, when the quantity of eccentric multi-shaft abnormity cutter plate driver 50 is multiple, the eccentric crankshaft of one of them eccentric multi-shaft abnormity cutter plate driver 50 is main eccentric crankshaft, and remaining is auxiliary eccentric crankshaft.Preferably, the quantity of described eccentric multi-shaft abnormity cutter plate driver 50 is four, two described strip cutterheads 320 is symmetrically connected with respectively two described eccentric multi-shaft abnormity cutter plate driver 50.
The cutter head of rectangular shield of the present invention is by the first cutterhead cut in first job face and the second cutterhead two large cutterheads and form at the eccentric multi-shaft abnormity cutterhead that second work plane cuts, and can carry out the Rectangular Tunnel Construction of super large rectangular cross section.First cutterhead and the second cutterhead excavation face major part faced by first job is excavated, and the soil body in simultaneously supporting excavation face, utilize eccentric multi-shaft abnormity cutterhead to the first cutterhead and the second cutterhead cut section gap carry out second work plane and cut, make whole excavation face rectangular, complete tunneling boring and cut.The design of the first cutterhead and the second cutterhead should ensure that and not collide each other, in rectangular cross section, maximum area is cut to make the first cutterhead and the second cutterhead, the first cutterhead and the second knife cutting area cut outward less than part by eccentric multi-shaft abnormity cutterhead cut, and the area of cut of eccentric multi-shaft abnormity cutterhead is greater than the area that the first cutterhead and the second cutterhead can not cut, make whole excavation face rectangular, thus reach tunneling boring cutting.
But, because rectangular shield running track of the first cutterhead and the second cutterhead on the first work plane overlaps, the differential seat angle of the first cutterhead and the second cutterhead therefore must be controlled.
Fig. 5 is the flow chart of the synchronisation control means of the cutter head of rectangular shield of the present invention, and Fig. 6 is the control principle drawing of the synchronisation control means of the cutter head of rectangular shield of the present invention.Coordinate referring to shown in Fig. 5 and Fig. 6, in order to the differential seat angle controlling the first cutterhead and the second cutterhead collides to prevent the first cutterhead and the second cutterhead, the invention allows for a kind of rectangular shield multi-cutter-disk and drive synchronisation control means, comprising:
Shown in S101 composition graphs 6, first, the control device used in the synchronisation control means of the cutter head of rectangular shield of the present invention comprises: for measuring the first angle detector 610 of the angle of described first cutterhead 10 and described second cutterhead 20, for measuring the cutterhead Rotating speed measring instrument of the rotating speed of described first cutterhead 10 and described second cutterhead 20, for controlling described first cutterhead 10, the control device 620 of the rotating speed of described second cutterhead 20 and eccentric multi-shaft abnormity cutterhead 30, for measuring the shield structure speed detector 630 of the actual fltting speed of described rectangular shield 90, and for measuring the second angle detector 640 of the described eccentric multi-shaft abnormity main eccentric crankshaft of cutterhead 30 and the angle of multiple described auxiliary eccentric crankshaft.Wherein, the first angle detector 40 preferably includes two angle detectors arranged separately, is arranged on the center of the driving shaft of the first cutterhead 10 and the second cutterhead 20 respectively; Control device 620 adopts ac motor to drive and multiple stage frequency converter realizes the first cutterhead 10, second cutterhead 20, and the adjustment of the eccentric multi-shaft abnormity main eccentric crankshaft of cutterhead 30 and the rotating speed of multiple described auxiliary eccentric crankshaft.
Described first cutterhead 10 and the center to center distance of described second cutterhead 20 are set to the radius sum being less than described first cutterhead 10 and described second cutterhead 20 by S102;
S103 starts described first cutterhead 10 and described second cutterhead 20, recorded the angle of described first cutterhead 10 and described second cutterhead 20 in real time by described first angle detector 610, the first angle signal of described first cutterhead 10 recorded in real time and the second angle signal of described second cutterhead 20 are fed back to described control device 620 by described first angle detector 610;
Control device 620 described in S104 is based on described first angle signal and described second angle signal, and the real-time angular calculating described first cutterhead 10 and described second cutterhead 20 is poor, described real-time angular difference is compared with described set angle difference;
Control device 620 described in S105, according to the testing result of comparative result and described cutterhead Rotating speed measring instrument, is revised the rotating speed of described first cutterhead 10 and described second cutterhead 20;
Described in S106, control device 620 is based on correction result, exports the first tach signal and the second tach signal respectively, make the described real-time angular difference recorded equal described set angle poor to described first cutterhead 10 and described second cutterhead 20.
Fig. 7 is the flow chart that the rotating speed of control device to the first cutterhead and the second cutterhead of the synchronisation control means of the cutter head of rectangular shield of the present invention is revised, coordinate referring to shown in Fig. 7, wherein, described control device is according to comparative result, the rotating speed of described first cutterhead and described second cutterhead is revised, comprises further:
S201 provides the difference error allowed band of described real-time angular difference with described set angle difference;
Control device described in S202 calculates described real-time angular difference and the actual difference of described set angle difference, described actual difference and described difference error allowed band is compared;
Control device described in S203 judges that described actual difference is greater than zero in described difference error allowed band, then revising increases described first tach signal, revises and reduces described second tach signal;
Control device described in S204 judges that described actual difference is less than zero in described difference error allowed band, then revise and reduce described first tach signal, revise and increase described second tach signal;
Control device described in S205 judges that described actual difference is outside described difference error allowed band, then export stop signal to described first cutterhead and described second cutterhead.
The synchronisation control means of the cutter head of rectangular shield of the present invention, in cutterhead start-up course, adopts the mode that prefabricated acceleration time and segmentation are accelerated in frequency converter, ensures the safety of cutterhead running between the starting period.Between cutterhead on-stream period, poor by the real-time angular of the first angle detector the real time measure first cutterhead and the second cutterhead, compare with set angle difference calculated the differential seat angle of the first cutterhead and the second cutterhead by control device after, control device adjusts the output of multiple stage frequency converter in time by the algorithm of anti-interference again and then regulates the rotating speed of the first cutterhead and the second cutterhead, make the first cutterhead identical with set angle difference with the differential seat angle of the second cutterhead, thus ensure that mutual interference does not occur for the first cutterhead and the second cutterhead, and guarantee the synchronous of the first cutterhead and the second cutterhead rotating speed.
Fig. 8 is the flow chart of the method for adjusting rotation speed of the eccentric multi-shaft abnormity cutterhead of the synchronisation control means of the cutter head of rectangular shield of the present invention, coordinate referring to shown in Fig. 8, the synchronisation control means of the cutter head of rectangular shield of the present invention also comprises the method for adjusting rotation speed of described eccentric multi-shaft abnormity cutterhead further, and it comprises:
Control device described in S301 calculates the rotating speed average of described first tach signal and described second tach signal;
Control device described in S302, according to the change ratio of described rotating speed average, regulates the rotating speed of described eccentric multi-shaft abnormity cutterhead, makes the change ratio of the rotating speed of described eccentric multi-shaft abnormity cutterhead identical with the change ratio of described rotating speed average.
The synchronisation control means of the cutter head of rectangular shield of the present invention is by regulating the rotating speed of described eccentric multi-shaft abnormity cutterhead, make the change ratio of the rotating speed of described eccentric multi-shaft abnormity cutterhead identical with the change ratio of described rotating speed average, ensure that described eccentric multi-shaft abnormity cutterhead keeps synchronous with the stock removal action of described first cutterhead and described second cutterhead, ensure that the stability in shield driving process, reach the effect that tunneling boring cuts.
In addition, Fig. 9 is the flow chart of the main eccentric crankshaft of the synchronisation control means of the cutter head of rectangular shield of the present invention and the angle regulation method of auxiliary eccentric crankshaft, coordinate referring to shown in Fig. 9, the synchronisation control means of the cutter head of rectangular shield of the present invention also comprises the control method to described main eccentric crankshaft and multiple described auxiliary eccentric crankshaft further, and it comprises:
Be provided for the second angle detector of the angle measuring described main eccentric crankshaft and multiple described auxiliary eccentric crankshaft;
The angle of described main eccentric crankshaft and multiple described auxiliary eccentric crankshaft is recorded in real time by described second angle detector;
Described control device, according to the testing result of described second angle detector, regulates the rotating speed of multiple described auxiliary eccentric crankshaft, makes the angle of multiple described auxiliary eccentric crankshaft equal with the angle of described main eccentric crankshaft.
By regulating the rotating speed of described main eccentric crankshaft and multiple described auxiliary eccentric crankshaft, can make to keep synchronization between four eccentric crankshafts of eccentric multi-shaft abnormity cutterhead, ensure that the stability in shield tunneling process.
Figure 10 is the flow chart of the control method of the shield driving speed of the synchronisation control means of the cutter head of rectangular shield of the present invention, coordinate referring to shown in Figure 10, the synchronisation control means of the cutter head of rectangular shield of the present invention also comprises the control method of shield driving speed further, and it comprises:
S501 provides the setting fltting speed of described rectangular shield and the shield structure speed detector for the actual fltting speed that measures described rectangular shield;
S502 records described actual fltting speed in real time by described shield structure speed detector;
Described actual fltting speed and described setting fltting speed compare by control device described in S503;
Described in S504, control device is according to comparative result, revises described first tach signal and described second tach signal, makes described actual fltting speed equal described setting fltting speed.
The synchronisation control means of the cutter head of rectangular shield of the present invention, by regulating shield driving speed, can ensure that the propelling action of shield structure and the stock removal action of cutterhead keep synchronous, ensure that the stability in shield tunneling process.
Figure 11 is the flow chart of the zeroing step of the synchronisation control means of the cutter head of rectangular shield of the present invention, coordinate referring to shown in Figure 11, multiple propulsion phase is comprised in whole shield driving process, all carry out in the starting stage of each described propulsion phase the step that once returns to zero, described zeroing step comprises:
Control device described in S601 exports described rectangular shield and advances stop signal;
Control device described in S602 exports cutterhead stop signal to described first cutterhead and described second cutterhead;
S603 measures the stop angle of described first cutterhead and described second cutterhead by described first angle detector, gives described control device by the second stop angle signal feedback of the first stop angle signal of described first cutterhead and described second cutterhead;
The stop angle that control device described in S604 calculates described first stop angle signal and described second stop angle signal is poor, described stop angle difference is compared with described set angle difference;
Described in S605, control device is according to comparative result, revises, make described stop angle difference equal described set angle poor to described first tach signal and described second tach signal.
The synchronisation control means of the cutter head of rectangular shield of the present invention, by zeroing step, can ensure to be in safe differential seat angle between the first cutterhead and the second cutterhead in each propulsion phase, ensure that the safety of construction.
The above is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, not departing from the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a cutter head for rectangular shield, is arranged on the front piece housing of shield machine, it is characterized in that, described cutter head comprises:
The first cutterhead and second cutterhead of the front end of described front piece housing is arranged at by set angle difference, be positioned at the eccentric multi-shaft abnormity cutterhead at described first cutterhead and described second cutterhead rear, for the first cutter plate driver driving described first cutterhead to circle, for the second cutter plate driver driving described second cutterhead to circle, and the eccentric multi-shaft abnormity cutter plate driver for driving described eccentric multi-shaft abnormity cutterhead to do eccentric gyration, wherein, described first cutterhead and described second cutterhead are X-shaped spoke type structure cutterhead, described set angle difference is 80 degree to 100 degree, the center to center distance of described first cutterhead and described second cutterhead is less than the radius sum of described first cutterhead and described second cutterhead.
2. the cutter head of rectangular shield as claimed in claim 1, it is characterized in that, described set angle difference is 90 degree.
3. the cutter head of rectangular shield as claimed in claim 1, it is characterized in that, described first cutterhead and described second cutterhead include cutter chuck holder adapted and are circumferentially symmetricly set in two fan-shaped cutterheads on described cutter chuck holder adapted.
4. the cutter head of rectangular shield as claimed in claim 3, is characterized in that, is separated into multiple unearthed hole in described fan-shaped cutterhead by arc and straight plate.
5. the cutter head of rectangular shield as claimed in claim 3, it is characterized in that, the front end face of described front piece housing offers the first connecting hole supplying the first driving shaft of described first cutter plate driver to wear and the second connecting hole worn for the second driving shaft of described second cutter plate driver, described first driving shaft is connected by the cutter chuck holder adapted of high-strength bolt with described first cutterhead, and described second driving shaft is connected by the cutter chuck holder adapted of high-strength bolt with described second cutterhead.
6. the cutter head of rectangular shield as claimed in claim 1, is characterized in that, described eccentric multi-shaft abnormity cutterhead comprises middle brace rod and is symmetricly set in two strip cutterheads at described middle brace rod two ends.
7. the cutter head of rectangular shield as claimed in claim 6, is characterized in that, becomes multiple unearthed hole in described strip cutterhead by baffle for separating.
8. the cutter head of rectangular shield as claimed in claim 6, it is characterized in that, the bearing spider that described eccentric multi-shaft abnormity cutter plate driver comprises main bearing seat, is fixed in the eccentric crankshaft on described main bearing seat and is fixed on described eccentric crankshaft, described bearing spider is connected with described eccentric multi-shaft abnormity cutterhead by high-strength bolt.
9. the cutter head of rectangular shield as claimed in claim 8, is characterized in that, the quantity of described eccentric multi-shaft abnormity cutter plate driver is four, two described strip cutterheads is symmetrically connected with respectively two described eccentric multi-shaft abnormity cutter plate driver.
10. a synchronisation control means for the cutter head of rectangular shield, is characterized in that, comprising:
There is provided by set angle difference arrange the first cutterhead and the second cutterhead, for measuring the first angle detector of the angle of described first cutterhead and described second cutterhead, and for the cutterhead Rotating speed measring instrument of the rotating speed that measures described first cutterhead and described second cutterhead, for controlling the control device of the rotating speed of described first cutterhead and described second cutterhead, wherein, described first cutterhead and described second cutterhead are X-shaped spoke type structure cutterhead, and described set angle difference is 80 degree to 100 degree;
The center to center distance of described first cutterhead and described second cutterhead is set to the radius sum being less than described first cutterhead and described second cutterhead;
Start described first cutterhead and described second cutterhead, recorded the angle of described first cutterhead and described second cutterhead by described first angle detector in real time;
The real-time angular that described control device calculates described first cutterhead and described second cutterhead is poor, described real-time angular difference is compared with described set angle difference;
Described control device, according to the testing result of comparative result and described cutterhead Rotating speed measring instrument, is revised the rotating speed of described first cutterhead and described second cutterhead;
Described control device, based on correction result, exports the first tach signal and the second tach signal respectively to described first cutterhead and described second cutterhead, makes the described real-time angular difference recorded equal described set angle poor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837511.9A CN104453926B (en) | 2014-12-29 | 2014-12-29 | Quasi-rectangular shield cutter head device and synchronous control method thereof |
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| CN201410837511.9A CN104453926B (en) | 2014-12-29 | 2014-12-29 | Quasi-rectangular shield cutter head device and synchronous control method thereof |
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| CN104453926B CN104453926B (en) | 2017-01-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042055A1 (en) * | 2018-08-25 | 2020-03-05 | 许明 | Rectangular shield tunneling machine provided with anti-soil accumulation device |
| CN113279775A (en) * | 2021-06-29 | 2021-08-20 | 中铁工程装备集团有限公司 | Rotation interference suppression method and device of three-cutter shield machine |
| CN113738389A (en) * | 2021-08-31 | 2021-12-03 | 中铁工程装备集团有限公司 | Anti-interference control method and device for multi-cutter-disc pipe jacking machine |
| CN113898356A (en) * | 2021-09-15 | 2022-01-07 | 山东优拓工程装备有限公司 | Cutter head system for rectangular section tunnel excavation equipment |
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| CN2615467Y (en) * | 2003-05-22 | 2004-05-12 | 北京市市政工程研究院 | Multi-eccentric shaft combined driving apparatus for rectangular earth pressure balance push bench |
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| CN1619102A (en) * | 2004-12-09 | 2005-05-25 | 上海隧道工程股份有限公司 | Cutter head for cutter head changeable entrydriving mechine |
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| JPH09158677A (en) * | 1995-12-13 | 1997-06-17 | Kido Kensetsu Kogyo Kk | Shield machine |
| JP2001049992A (en) * | 1999-08-06 | 2001-02-20 | Hitachi Zosen Corp | Shield boring machine |
| CN2615467Y (en) * | 2003-05-22 | 2004-05-12 | 北京市市政工程研究院 | Multi-eccentric shaft combined driving apparatus for rectangular earth pressure balance push bench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042055A1 (en) * | 2018-08-25 | 2020-03-05 | 许明 | Rectangular shield tunneling machine provided with anti-soil accumulation device |
| CN113279775A (en) * | 2021-06-29 | 2021-08-20 | 中铁工程装备集团有限公司 | Rotation interference suppression method and device of three-cutter shield machine |
| CN113279775B (en) * | 2021-06-29 | 2022-03-25 | 中铁工程装备集团有限公司 | Rotation interference suppression method and device of three-cutter shield machine |
| CN113738389A (en) * | 2021-08-31 | 2021-12-03 | 中铁工程装备集团有限公司 | Anti-interference control method and device for multi-cutter-disc pipe jacking machine |
| CN113898356A (en) * | 2021-09-15 | 2022-01-07 | 山东优拓工程装备有限公司 | Cutter head system for rectangular section tunnel excavation equipment |
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|---|---|
| CN104453926B (en) | 2017-01-18 |
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Inventor after: Liang Binlu Inventor after: Wang Xing Inventor after: Huang Jian Inventor after: Shi Yuanqi Inventor after: Zhu Yanfei Inventor after: Huang Dezhong Inventor after: Li Gang Inventor after: Xia Hanyong Inventor after: Huang Jun Inventor before: Liang Binlu Inventor before: Wang Xing Inventor before: Huang Jian Inventor before: Shi Yuanqi Inventor before: Zhu Yanfei Inventor before: Huang Dezhong Inventor before: Li Gang Inventor before: Huang Jun |
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Effective date of registration: 20151022 Address after: 200232 Shanghai city Xuhui District Wanping Road No. 1099 5 floor Applicant after: SHANGHAI TUNNEL ENGINEERING CO., LTD. Applicant after: Ningbo Metro Group Co., Ltd. Applicant after: Shanghai tunneling shield Engineering Co., Ltd Address before: 200232 Shanghai city Xuhui District Wanping Road No. 1099 5 floor Applicant before: SHANGHAI TUNNEL ENGINEERING CO., LTD. Applicant before: SHANGHAI TUNNEL ENGINEERING CO., LTD. Applicant before: Shanghai tunneling shield Engineering Co., Ltd |
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