CN106640101A - Shied cutter head abrasion repairing construction method in tunnel - Google Patents
Shied cutter head abrasion repairing construction method in tunnel Download PDFInfo
- Publication number
- CN106640101A CN106640101A CN201611173113.7A CN201611173113A CN106640101A CN 106640101 A CN106640101 A CN 106640101A CN 201611173113 A CN201611173113 A CN 201611173113A CN 106640101 A CN106640101 A CN 106640101A
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- ring
- big
- abrasion
- tool apron
- scraper tool
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- 238000005299 abrasion Methods 0.000 title claims abstract description 80
- 238000010276 construction Methods 0.000 title abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000011435 rock Substances 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims description 86
- 229910000831 Steel Inorganic materials 0.000 claims description 82
- 239000010959 steel Substances 0.000 claims description 82
- 230000008439 repair process Effects 0.000 claims description 41
- 238000012423 maintenance Methods 0.000 claims description 23
- 210000001138 tear Anatomy 0.000 claims description 18
- 230000005641 tunneling Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 8
- 229910000679 solder Inorganic materials 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910003470 tongbaite Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 shied cutter head abrasion repairing construction method in a tunnel. The method comprises the steps that first, cutter head repairing working space in the tunnel is digged; second, cutter head outer edge abrasion is repaired in the tunnel, specifically, 201, outer edge big ring abrasion is repaired, 202, notch ring abrasion is repaired, and 203, inclined-plane folded plate abrasion is repaired; and third, cutter head panel abrasion is repaired in the tunnel, specifically, 301, big scraper tool apron abrasion is repaired, 302, outer ring small scraper tool apron abrasion is repaired, and 303, abrasion of a hob knife box weld seam is repaired. The design is novel, cutter head abrasion repairing in the tunnel is conducted utilizing steadiness of a tunnel face in a whole fracture surface hard rock position, ground well opening is avoided, cost is saved, meanwhile, a scraper tool apron which is prefabricated and designed with a positioning through hole is adopted to cover welding construction, the situation that location is difficult when an original heavy scraper tool apron is mounted is avoided, so that cost is saved, the construction period is shortened, and replacing of the scraper tool apron in small space is convenient and feasible.
Description
Technical field
The invention belongs to shield cutter recovery technique field, and in particular to wear and tear repairing construction in a kind of shield cutter tunnel
Method.
Background technology
Shield machine is used for construction of underground tunnel, and it is compound stratum that tunnel geology is complicated and most in work progress, i.e.,
Tunneling boring soft rock, upper soft lower hard, tunneling boring hard rock are alternately present, as the knife of one of shield machine critical component in tunneling process
Excavation stratum is folded, face is supported, the effect of dregs is stirred, its condition of work is extremely severe, stress is complicated, is shield machine
The critical piece of Inspection and maintenance, can the quality of cutterhead will directly affect shield-tunneling construction be smoothed out.For Surface Buildings are covered
Rate is high, and the upper-soft lower-hard ground in mostly old foundation-free cob brick room, is control Surface Buildings sedimentation in compound stratum, takes
Buy securities with all one's capital the boring mode of high pressure, can so make shield machine be chronically at high thrust, high pulling torque, under the bad working environments of partial load, knife
Disk outer rim serious wear, need in time repair to cutter head of shield machine, be dug a well using ground more than existing cutter head of shield machine reparation
Mode cutter head of shield machine is repaired, construction cost is high, and complex process has a strong impact on the duration；In addition, existing more tool changing
Using conventional replacing more than tool tool rest, narrow space in tunnel, cutter tool rest is heavy, changes inconvenient, brings not to construction
Necessary trouble, has a strong impact on the duration.
The content of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, there is provided a kind of shield cutter
Wear and tear method for repairing and constructing in tunnel, using at tunneling boring hard rock position face it is firm, carry out cutterhead abrasion in tunnel and repair
It is multiple, it is to avoid ground drives a well, cost-effective, while welding procedure is covered using scraper tool apron that is prefabricated and being designed with positioning through hole,
Location difficulty when installing original heavy scraper tool apron is avoided, cost has been saved, the duration is shortened, makes to be changed in small space
Scraper tool apron facilitates feasible, is easy to promote the use of.
To solve above-mentioned technical problem, the technical solution used in the present invention is：Wear and tear repairing construction in shield cutter tunnel
Method, it is characterised in that the method is comprised the following steps：
Cutterhead repair space in step one, cutting tunnel：Shield machine tunnels, utilization out of service to tunneling boring hard rock
Face is firm at tunneling boring hard rock position, artificial to dig cutterhead repair space；
The cutterhead repair space be positioned at cutterhead twelve-hour direction depth 1m and apart from shield shell top 0.5m
Solid space；
Cutterhead outer rim abrasion in step 2, tunnel is repaired, and process is as follows：
The big ring abrasion of step 201, outer rim is repaired：First, maintenance personal is located in the cutterhead repair space to mill
Damage the big ring outside of outer rim and continuously weld within one week the big ring of the big ring steel plate reinforcement abrasion outer rim of outer rim, wherein, the reality of the big ring of outer rim of wearing and tearing
Border is highly L1, the big ring steel plate height L of outer rim2Meet L2=L-L1- e, L are the height of the big ring of the original parent of cutterhead outer rim, and e is
Welding and assembling height between the big ring of abrasion outer rim and the big ring steel plate of outer rim；Then, maintenance personal is between the big ring steel plate of two outer rims
The big girth joint of outer rim on weld wear-resistant composite board, the big boxing of outer rim is spaced between two adjacent wear-resistant composite boards
Seam；
Step 202, the abrasion of otch ring are repaired, and process is as follows：
Step a, set up jig：In shield machine soil storehouse, the first half sets up jig, and the jig avoids knife
Disk stirring rod, the jig that maintenance personal is located in native storehouse repairs the abrasion of otch ring；
Step b, Tu Cang is divulged information：Air blast is adopted for Tu Cang ventilations, the air blast is arranged on into ten two points of people's lock door
To the direction blowing of people's lock nine o'clock of door at the position of clock direction, form cross-ventilation and Tu Cang is divulged information；
The reinforcing of step c, abrasion otch ring steel plate：Maintenance personal is located on the jig in native storehouse to the otch ring that weares and teares
The one week continuous welding otch ring steel plate reinforcement abrasion otch ring steel plate in steel plate outside, wherein, the abrasion side of the otch ring steel plate that weares and teares
Edge actual height is H1, otch ring steel plate is highly H2；
The abrasion otch ring steel plate by being formed after the worn out N of the original parent otch ring of cutterhead, wherein, N is positive integer and N
More than or equal to two；
The welding of step d, otch ring composite plate：Weld on otch girth joint of the maintenance personal between two otch ring steel plates
Otch ring composite plate is connect, the otch ring composite plate includes the first otch ring composite plate and the second otch ring composite plate, and first cuts
Choma composite plate and the second otch ring composite plate are alternately welded on each otch girth joint, the first otch ring composite plate and second
The height H of otch ring composite plate3Meet H3≥H-H1-H2, H is the height of the original parent otch ring of cutterhead；
Step 203, the abrasion of inclined-plane flap are repaired：Maintenance personal is located in the cutterhead repair space and is rolled over using inclined-plane
Plate composite plate is repaired to being arranged on the inclined-plane flap on the outside of hobboing cutter girff, and inclined-plane flap composite plate is welded in oblique angle and welded
Highly it is H4；
Cutter head panel abrasion in step 3, tunnel is repaired, and process is as follows：
Step 301, the abrasion of big scraper tool apron are repaired：First, it is prefabricated newly to scrape greatly with original big scraper tool apron structure identical
The thickness of knife tool rest and new big scraper tool apron is S1, the tapped through hole and original big scraper knife of setting on the new big scraper tool apron
Tapped through hole quantity and position correspondence on seat；Then, chamfering is carried out to the solder side surrounding of the new big scraper tool apron steel plate；
Finally, the new big scraper tool apron correspondence is welded on original big scraper tool apron in the cutterhead repair space, and it is right
The new big space hanging between scraper tool apron and original big scraper tool apron carries out adding the support of triangle gusset；
Step 302, the little scraper tool apron abrasion in outer ring are repaired：First, it is prefabricated identical with the little scraper tool apron structure in original outer ring
The little scraper tool apron of the little scraper tool apron in new outer ring and new outer ring thickness be S2, the spiral shell arranged on the little scraper tool apron in the new outer ring
Line through hole is corresponding with the tapped through hole quantity on the little scraper tool apron in original outer ring and position；Then, to the little scraper in the new outer ring
The solder side surrounding of tool rest steel plate carries out chamfering；Finally, in the cutterhead repair space by the little scraper knife in the new outer ring
Seat correspondence is welded on the little scraper tool apron in original outer ring；
Step 303, the abrasion of hobboing cutter girff weld seam are repaired：First, maintenance personal is located in the cutterhead repair space
Front mounting surface that hobboing cutter girff is located and rear mounting surface are welded with cutterhead parent；Then, hobboing cutter girff surrounding welding with
The steel bar of hobboing cutter girff girth equal length.
Wear and tear method for repairing and constructing in above-mentioned shield cutter tunnel, it is characterised in that：Wear-resistant composite board is in step 201
Bimetal composite wear resistant plate, the bimetal composite wear resistant plate be welded on by the way of arc welding the big ring steel plate of two outer rims it
Between the big girth joint of outer rim on.
Wear and tear method for repairing and constructing in above-mentioned shield cutter tunnel, it is characterised in that：Inclined-plane flap is combined in step 203
The quantity of plate is even number, and the inclined-plane flap composite plate laid in pairs is separately positioned on the two ends of inclined-plane flap.
Wear and tear method for repairing and constructing in above-mentioned shield cutter tunnel, it is characterised in that：Repair in the cutterhead in step 301
Multiple working space is needed to original big scraper tool apron before the new big scraper tool apron correspondence is welded on original big scraper tool apron
Carry out polishing cleaning；In step 302 the little scraper tool apron correspondence in the new outer ring is welded in the cutterhead repair space
Needed to carry out polishing cleaning to the little scraper tool apron in original outer ring before on the little scraper tool apron in original outer ring.
The present invention has compared with prior art advantages below：
1st, the present invention finds the tunneling boring hard rock in tunnel using shield machine driving, and tunneling boring hard rock geologic structure is consolidated,
Prerequisite is provided for cutterhead reparation in tunnel, cutterhead repair space can be dug in tunneling boring hard rock, it is to avoid ground drives a well
And single reparation cutterhead abrasion, save excavation and fill up cost, it is easy to promote the use of.
2nd, the present invention carries out the abrasion reparation of cutterhead outer rim in tunnel, and on the big ring of abrasion outer rim the big ring steel plate of outer rim is adopted
The mode combined with wear-resistant composite board replaces the big ring of the original parent of cutterhead outer rim；The native storehouse first half of shield machine is set up in tunnel
Jig, jig of the maintenance personal in native storehouse repairs the abrasion of otch ring, adopts on abrasion otch ring steel plate and cuts
The mode that choma steel plate and otch ring composite plate are combined replaces the original parent otch ring of cutterhead, wearability to strengthen.
3rd, the present invention carries out cutter head panel abrasion reparation in tunnel, is covered using tool rest that is prefabricated and being designed with positioning through hole
Lid welding procedure, increases the wear-resisting row and steadiness of original cutter head panel, and effect is good.
In sum, the present invention is novel in design rationally, using at tunneling boring hard rock position face it is firm, carry out tunnel
Interior cutterhead abrasion is repaired, it is to avoid ground drives a well, cost-effective, while being covered using scraper tool apron that is prefabricated and being designed with positioning through hole
Lid welding procedure, it is to avoid install location difficulty during original heavy scraper tool apron, saved cost, shorten the duration, make narrow
Scraper tool apron is changed in little space and facilitates feasible, be easy to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Description of the drawings
Fig. 1 is cutterhead outer rim of the present invention abrasion pre-structure schematic diagram.
Fig. 2 is the structural representation after cutterhead outer rim abrasion of the present invention.
Fig. 3 is that Fig. 2 welds the structural representation after the big ring steel plate of outer rim.
Fig. 4 is the top view of the big ring steel plate welding of Fig. 3 outer rims.
Fig. 5 is that Fig. 3 welds the structural representation after wear-resistant composite board.
Fig. 6 is the top view of Fig. 5 wear-resistant composite boards and the big ring steel plate welding of outer rim.
Fig. 7 is that Fig. 5 welds the structural representation after otch ring steel plate.
Fig. 8 is design sketch after the welding of Fig. 7 otch rings steel plate.
Fig. 9 is that Fig. 7 welds the structural representation after otch ring composite plate.
Figure 10 is that Fig. 9 otch ring steel plates are schemed with otch ring composite plate welding aftereffect fruit.
Figure 11 is that Fig. 9 welds the structural representation after inclined-plane flap composite plate.
Figure 12 is that Figure 11 inclined-planes flap is schemed with inclined-plane flap composite plate welding aftereffect fruit.
Figure 13 is the method flow block diagram of abrasion method for repairing and constructing in shield cutter tunnel of the present invention.Reference is said
It is bright:
1-shield shell；2-inclined-plane flap；3-abrasion otch ring steel plate；
The big ring of 4-abrasion outer rim；5-arc wearing plate；The big ring steel plate of 6-outer rim；
7-wear-resistant composite board；8-otch ring steel plate；9-the first otch ring composite plate；
10-the second otch ring composite plate；11-inclined-plane flap composite plate；
13-hobboing cutter girff；The big ring of the original parent of 14-cutterhead outer rim；
The original parent otch ring of 15-cutterhead.
Specific embodiment
As shown in figure 1 to figure 13, wear and tear method for repairing and constructing in shield cutter tunnel of the present invention, comprises the following steps：
Cutterhead repair space in step one, cutting tunnel：Shield machine tunnels, utilization out of service to tunneling boring hard rock
Face is firm at tunneling boring hard rock position, artificial to dig cutterhead repair space；
The cutterhead repair space is depth 1m positioned at cutterhead twelve-hour direction and apart from the top 0.5m of shield shell 1
Solid space；
In practice of construction, shield machine enters tunneling boring hard rock, using the stable feature of tunneling boring hard rock face, carries out tunnel
Interior cutterhead abrasion is repaired, it is to avoid ground drives a well and single reparation cutterhead abrasion, saves excavation and fills up cost.
Cutterhead outer rim abrasion in step 2, tunnel is repaired, and process is as follows：
As shown in Figures 3 to 6, the big ring abrasion of step 201, outer rim is repaired：First, maintenance personal is located at the cutterhead reparation
The big ring 4 of abrasion outer rim is reinforced to the one week continuous big ring steel plate 6 of outer rim that welds in the big outside of ring 4 of outer rim of wearing and tearing in working space, wherein,
The actual height of the big ring 4 of abrasion outer rim is L1, the big height L of ring steel plate 6 of outer rim2Meet L2=L-L1- e, L are that cutterhead outer rim is original
The height of the big ring 14 of parent, e is the welding and assembling height worn and torn between the big ring 4 of outer rim and the big ring steel plate 6 of outer rim；Then, maintenance personal
Wear-resistant composite board 7, two adjacent wear-resistant composite boards 7 are welded on the big girth joint of outer rim between the big ring steel plate 6 of two outer rims
Between the big girth joint of one, the interval outer rim；
In the present embodiment, in step 201 wear-resistant composite board 7 be bimetal composite wear resistant plate, the bimetal composite wear resistant
Plate is welded on the big girth joint of outer rim between the big ring steel plate 6 of two outer rims by the way of arc welding.
In actual welding, the bimetal composite wear resistant plate adopts chromium carbide alloy content for the complex abrasion-proof of 20-30%
Plate, chromium carbide alloy content is applied to the extremely serious environment of abrasion for the abrasion-proof composite plate of 20-30%.
As shown in Figures 1 to 6, in actually used, repair height summation principle and must not exceed former cutterhead appearance and size, cutterhead
The big ring 14 of the original parent of outer rim is the outermost of cutterhead radial direction, and the spoke and panel of cutterhead are cascaded, and abrasion outer rim is big
The overall structure that ring 4 is formed after welding with the big ring steel plate 6 of outer rim replaces the big ring 14 of the original parent of cutterhead outer rim and height and cutterhead
The big ring 14 of the original parent of outer rim is equal, be provided with the big ring 14 of the original parent of cutterhead outer rim 12 gauge knives for ensure excavate break
The diameter in face, the both sides of gauge knife are provided with the arc wearing plate 5 of protection gauge knife on the big ring 14 of the original parent of cutterhead outer rim,
Welding wear-resistant composite board 7 is to replace 12 gauge knife and arc wearing plate 5 are had while ensureing the diameter of excavated section
Wear-resisting effect, wear-resistant composite board 7 is welded on the big girth joint of outer rim between the big ring steel plate 6 of two outer rims and adjacent two resistance to
The outer rim big girth joint in one, interval between mill composite plate 7, therefore the welding quantity of wear-resistant composite board 7 is the big ring steel plate of outer rim
6 half.
During actual welding, the big outside of ring 4 of abrasion outer rim, phase are laid on successively using the big ring steel plate 6 of structure identical outer rim
The big girth joint width of outer rim is not less than 1.5cm, the welding of the big ring steel plate 6 of each outer rim between the adjacent big ring steel plate 6 of two outer rims
Face need to reserve the bevel for welding of 1cm.
In the present embodiment, the height L of the big ring 14 of the original parent of cutterhead outer rim is 8cm, the actual height of the big ring 4 of outer rim of wearing and tearing
L1For 5cm, therefore the big size of ring steel plate 6 of outer rim, using the repair welding steel plate of 20cm × 17cm × 2.5cm, wear-resistant composite board 7 is adopted
The composite plate of 20cm × 14cm × 3cm, the spacing between two wear-resistant composite boards 7 is 20cm, and the big ring 4 of abrasion outer rim is big with outer rim
Welding and assembling height e between ring steel plate 6 is 0.5cm.
Step 202, the abrasion of otch ring are repaired, and process is as follows：
Step a, set up jig：In shield machine soil storehouse, the first half sets up jig, and the jig avoids knife
Disk stirring rod, the jig that maintenance personal is located in native storehouse repairs the abrasion of otch ring；
In actually used, the jig is avoided in cutterhead stirring rod to ensure that cutterhead normally rotates.
Step b, Tu Cang is divulged information：Air blast is adopted for Tu Cang ventilations, the air blast is arranged on into ten two points of people's lock door
To the direction blowing of people's lock nine o'clock of door at the position of clock direction, form cross-ventilation and Tu Cang is divulged information；
In the present embodiment, the abrasion of otch ring is repaired based on welding, narrow space in native storehouse, closed, due to welding procedure
Construct in people's lock door twelve-hour direction, so ventilation uses one with people's lock door in twelve-hour direction as air inlet
The air blast of platform 3.7KW to people's lock nine o'clock of door direction blowing, people's lock nine o'clock of door direction be exhaust outlet.
As shown in Figure 7 to 10, step c, the reinforcing of abrasion otch ring steel plate：The welding that maintenance personal is located in native storehouse is put down
Abrasion otch ring steel plate 3 is reinforced to the one week continuous welding otch ring steel plate 8 in the outside of otch ring steel plate 3 that weares and teares on platform, wherein, abrasion
The frayed edges actual height of otch ring steel plate 3 is H1, the height of otch ring steel plate 8 is H2；
The abrasion otch ring steel plate 3 by being formed after the cutterhead worn out N of original parent otch ring 15, wherein, N is positive integer
And N is more than or equal to two；
The welding of step d, otch ring composite plate：On otch girth joint of the maintenance personal between two otch ring steel plates 8
Welding otch ring composite plate, the otch ring composite plate includes the first otch ring composite plate 9 and the second otch ring composite plate 10, the
All 9 and second otch ring composite plates of choma composite plate 10 are alternately welded on each otch girth joint, and the first otch ring is combined
The height H of the otch ring composite plate 10 of plate 9 and second3Meet H3≥H-H1-H2, H is the height of the original parent otch ring 15 of cutterhead；
In actually used, the original parent otch ring 15 of cutterhead is located at after cutterhead outer rim at vertebral plate, is equipped with the wear-resisting grid of welding
Protection, the spoke and panel of cutterhead are cascaded, and abrasion otch ring steel plate 3, otch ring steel plate 8 is compound with the otch ring
The overall structure formed after plate weld replaces the original parent otch ring 15 of cutterhead and height is not less than the original parent otch ring of cutterhead
The 15 height simultaneously no more than distance of otch ring and the inwall of shield shell 1, with wear-resisting effect, the first otch ring composite plate 9 is welded on
An institute is spaced on otch girth joint between two otch ring steel plates 8 and between adjacent two the first otch ring composite plates 9
Otch girth joint is stated, a second otch ring is welded on the otch girth joint between two the first otch ring composite plates 9 and is answered
Plywood 10, therefore the first otch ring composite plate 9 is equal with the welding quantity of the second otch ring composite plate 10.
It is compound using structure identical the first otch ring composite plate 9 and the second otch of structure identical ring during actual welding
Plate 10, the first otch ring composite plate 9 and the second otch ring composite plate 10 are alternately welded on the outside of otch ring steel plate 8, and cutterhead is original
The height L of parent otch ring 15 is 8cm, frayed edges actual height H of the otch ring steel plate 3 that weares and teares1For 2cm, cut due to wearing and tearing
Choma steel plate 3 weares and teares that otch ring steel plate 3 is concave not to advise by being formed after the cutterhead worn out N of original parent otch ring 15
Then shape, the most thin height value of abrasion otch ring steel plate 3 is 0, first adopts size for 36cm × 20cm × 2.5cm otch rings steel plate 8
Reinforcing otch ring, adopt size for 30cm × 15cm × 4.5cm the first otch ring composite plate 9 and size be 20cm ×
The second otch ring composite plate 10 of 15cm × 4.5cm is alternately welded on the outside of otch ring steel plate 8 and the He of the first otch ring composite plate 9
Spacing 5cm of second otch ring composite plate 10.
As is illustrated by figs. 11 and 12, step 203, the abrasion of inclined-plane flap is repaired：Maintenance personal is located at the cutterhead and repairs work
Make to be repaired using inclined-plane flap 11 pairs of inclined-plane flaps for being arranged on the outside of hobboing cutter girff 13 of composite plate in space, inclined-plane flap
Composite plate 11 is welded in oblique angle and welding and assembling height is H4；
In practice of construction, inclined-plane flap 2 is located at the outermost two ends of cutter head panel, in "<”“>" shape, with dregs water conservancy diversion,
Use at protection hobboing cutter knife hub, the effect of girff and big scraper, the inclined two ends for being welded on inclined-plane flap 2 of inclined-plane flap composite plate 11
In protecting, hobboing cutter girff 13 is not frayed, and the size of inclined-plane flap composite plate 11 is 30cm × 15cm × 4.5cm.
In the present embodiment, the quantity of inclined-plane flap composite plate 11 is even number in step 203, in pairs the inclined-plane flap of laying
Composite plate 11 is separately positioned on the two ends of inclined-plane flap 2.
Cutter head panel abrasion in step 3, tunnel is repaired, and process is as follows：
Step 301, the abrasion of big scraper tool apron are repaired：First, it is prefabricated newly to scrape greatly with original big scraper tool apron structure identical
The thickness of knife tool rest and new big scraper tool apron is S1, the tapped through hole and original big scraper knife of setting on the new big scraper tool apron
Tapped through hole quantity and position correspondence on seat；Then, chamfering is carried out to the solder side surrounding of the new big scraper tool apron steel plate；
Finally, the new big scraper tool apron correspondence is welded on original big scraper tool apron in the cutterhead repair space, and it is right
The new big space hanging between scraper tool apron and original big scraper tool apron carries out adding the support of triangle gusset；
In practice of construction, cutterhead outer rim is original more big scraper, per big scraper by the M24*65 that grade is 12.9 grades
Hexagonal cylindrical hook bolt be arranged on original big scraper tool apron on, with scrape slag, amendment digging diameter, protection hobboing cutter knife hub, girff
Effect, former big scraper tool apron is installed in factory and former big scraper tool apron is welded to cutterhead outer rim to inlay, if replacing is original
Big scraper tool apron, needs are first excluded, then cleaning polishing mounting surface, but original big scraper tool apron size is big, weight weight,
Have no idea to install at all in the so narrow and small cutterhead repair space, more cannot be accurately positioned, in the present embodiment,
New big scraper tool apron adopts mode prefabricated in advance and its thickness is for S1For 5cm, the welding to the new big scraper tool apron steel plate
Face surrounding carries out 1cm chamferings, increases weld strength, will set on the new big scraper tool apron in the cutterhead repair space
The tapped through hole put is corresponding with the tapped through hole on original big scraper tool apron, conveniently positioning, to the new big scraper tool apron and original
There is hanging space between big scraper tool apron to carry out adding triangle gusset and supporting being easy to increase the steadiness for installing big scraper, save into
This, the reduction of erection time, makes to change big scraper tool apron in small space and facilitates feasible.
Step 302, the little scraper tool apron abrasion in outer ring are repaired：First, it is prefabricated identical with the little scraper tool apron structure in original outer ring
The little scraper tool apron of the little scraper tool apron in new outer ring and new outer ring thickness be S2, the spiral shell arranged on the little scraper tool apron in the new outer ring
Line through hole is corresponding with the tapped through hole quantity on the little scraper tool apron in original outer ring and position；Then, to the little scraper in the new outer ring
The solder side surrounding of tool rest steel plate carries out chamfering；Finally, in the cutterhead repair space by the little scraper knife in the new outer ring
Seat correspondence is welded on the little scraper tool apron in original outer ring；
In practice of construction, cutterhead outer rim it is original it is many little scraper and each be located at spoke both sides, per little scraper by grade
Be hexagonal cylindrical hook bolt in 12.9 grades of M24*50 be arranged on the little scraper tool apron in original outer ring on, with scrape slag, protection hobboing cutter
The effect of knife hub, girff, due to cutterhead outer ring it is more much larger than inner ring linear velocity, so the little scraper in original outer ring is less than original inner ring
Blade wears speed is fast, and the little scraper tool apron in original outer ring is welded to spoke both sides to inlay, if changing the little scraper in original outer ring
Tool rest, needs are first excluded, then cleaning polishing mounting surface, but the live cutterhead repair narrow space, install
Location difficulty, in the present embodiment, the little scraper tool apron in new outer ring adopts mode prefabricated in advance and its thickness is for S2For 3cm, to institute
Stating the solder side surrounding of the little scraper tool apron steel plate in new outer ring carries out 1cm chamferings, increases weld strength, in the cutterhead repair
It is in space that the tapped through hole arranged on the new big scraper tool apron is corresponding with the tapped through hole on original big scraper tool apron, it is convenient
Positioning, cost-effective, the reduction of erection time, makes the little scraper tool apron in replacing outer ring in small space facilitate feasible.
Step 303, the abrasion of hobboing cutter girff weld seam are repaired：First, maintenance personal is located in the cutterhead repair space
Front mounting surface that hobboing cutter girff is located and rear mounting surface are welded with cutterhead parent；Then, hobboing cutter girff surrounding welding with
The steel bar of hobboing cutter girff girth equal length.
In practice of construction, hobboing cutter girff weld seam is cleared up, original hobboing cutter girff weld seam is filled up into female with cutterhead again
Body is welded as a whole, and is to protect hobboing cutter knife in the steel bar of the welding of hobboing cutter girff surrounding and hobboing cutter girff girth equal length
Case weld seam no longer weares and teares.
In the present embodiment, in step 301 the new big scraper tool apron correspondence is welded in the cutterhead repair space
Need to carry out polishing cleaning to original big scraper tool apron before on original big scraper tool apron；In the cutterhead reparation in step 302
Working space is needed to original outer ring before the little scraper tool apron correspondence in the new outer ring is welded on the little scraper tool apron in original outer ring
Little scraper tool apron carries out polishing cleaning.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (4)
1. wear and tear method for repairing and constructing in shield cutter tunnel, it is characterised in that the method is comprised the following steps：
Cutterhead repair space in step one, cutting tunnel：Shield machine tunnel it is out of service to tunneling boring hard rock, using complete disconnected
Face is firm at the hard rock position of face, artificial to dig cutterhead repair space；
The cutterhead repair space be positioned at cutterhead twelve-hour direction depth 1m and apart from shield shell (1) top 0.5m
Solid space；
Cutterhead outer rim abrasion in step 2, tunnel is repaired, and process is as follows：
The big ring abrasion of step 201, outer rim is repaired：First, maintenance personal is located at outer to abrasion in the cutterhead repair space
The big ring of edge (4) outside is continuously welded the big ring steel plate (6) of outer rim for one week and reinforces the big ring (4) of abrasion outer rim, wherein, the big ring of abrasion outer rim
(4) actual height is L1, big ring steel plate (6) the height L of outer rim2Meet L2=L-L1- e, L are the big ring of the original parent of cutterhead outer rim
(14) height, e is the welding and assembling height between the big ring (4) of abrasion outer rim and the big ring steel plate (6) of outer rim；Then, maintenance personal exists
Wear-resistant composite board (7), two adjacent wear-resistant composite boards are welded on the big girth joint of outer rim between the big ring steel plate (6) of two outer rims
(7) outer rim big girth joint in one, interval between；
Step 202, the abrasion of otch ring are repaired, and process is as follows：
Step a, set up jig：In shield machine soil storehouse, the first half sets up jig, and the jig is avoided cutterhead and stirred
Rod is mixed, the jig that maintenance personal is located in native storehouse repairs the abrasion of otch ring；
Step b, Tu Cang is divulged information：Air blast is adopted for Tu Cang ventilations, the air blast is arranged on into people's lock door twelve-hour side
To at position to the direction blowing of people's lock nine o'clock of door, form cross-ventilation and Tu Cang is divulged information；
The reinforcing of step c, abrasion otch ring steel plate：Maintenance personal is located on the jig in native storehouse to the otch ring steel plate that weares and teares
(3) one week continuous welding otch ring steel plate (8) in outside reinforces abrasion otch ring steel plate (3), wherein, abrasion otch ring steel plate (3)
Frayed edges actual height be H1, otch ring steel plate (8) is highly H2；
Abrasion otch ring steel plate (3) by being formed after the worn out N of the original parent otch ring (15) of cutterhead, wherein, N is positive integer
And N is more than or equal to two；
The welding of step d, otch ring composite plate：Weld on otch girth joint of the maintenance personal between two otch ring steel plate (8)
Otch ring composite plate is connect, the otch ring composite plate includes the first otch ring composite plate (9) and the second otch ring composite plate (10),
First otch ring composite plate (9) and the second otch ring composite plate (10) are alternately welded on each otch girth joint, the first otch
The height H of ring composite plate (9) and the second otch ring composite plate (10)3Meet H3≥H-H1-H2, H is the original parent otch ring of cutterhead
(15) height；
Step 203, the abrasion of inclined-plane flap are repaired：Maintenance personal is located at multiple using inclined-plane flap in the cutterhead repair space
Plywood (11) is repaired to being arranged on the inclined-plane flap on the outside of hobboing cutter girff (13), and inclined-plane flap composite plate (11) is in bevel welding
Connect and welding and assembling height is H4；
Cutter head panel abrasion in step 3, tunnel is repaired, and process is as follows：
Step 301, the abrasion of big scraper tool apron are repaired：First, prefabricated big scraper knife new with original big scraper tool apron structure identical
The thickness of seat and new big scraper tool apron is S1, on the tapped through hole arranged on the new big scraper tool apron and original big scraper tool apron
Tapped through hole quantity and position correspondence；Then, chamfering is carried out to the solder side surrounding of the new big scraper tool apron steel plate；Most
Afterwards, the new big scraper tool apron correspondence is welded on original big scraper tool apron, and to institute in the cutterhead repair space
Stating new big space hanging between scraper tool apron and original big scraper tool apron carries out adding the support of triangle gusset；
Step 302, the little scraper tool apron abrasion in outer ring are repaired：First, it is prefabricated new with the little scraper tool apron structure identical in original outer ring
The thickness of the little scraper tool apron of the little scraper tool apron in outer ring and new outer ring is S2, the screw thread arranged on the little scraper tool apron in the new outer ring leads to
Hole is corresponding with the tapped through hole quantity on the little scraper tool apron in original outer ring and position；Then, to the little scraper tool apron in the new outer ring
The solder side surrounding of steel plate carries out chamfering；Finally, in the cutterhead repair space by the little scraper tool apron pair in the new outer ring
Should be welded on the little scraper tool apron in original outer ring；
Step 303, the abrasion of hobboing cutter girff weld seam are repaired：First, maintenance personal is located in the cutterhead repair space will roll
Front mounting surface that knife girff is located and rear mounting surface are welded with cutterhead parent；Then, in the welding of hobboing cutter girff surrounding and hobboing cutter
The steel bar of girff girth equal length.
2. according to the method for repairing and constructing that weares and teares in the shield cutter tunnel described in claim 1, it is characterised in that：In step 201
Wear-resistant composite board (7) is bimetal composite wear resistant plate, and the bimetal composite wear resistant plate is welded on two by the way of arc welding
On the big girth joint of outer rim between the big ring steel plate (6) of individual outer rim.
3. according to the method for repairing and constructing that weares and teares in the shield cutter tunnel described in claim 1 or 2, it is characterised in that：Step 203
The quantity of middle inclined-plane flap composite plate (11) is even number, and inclined-plane flap composite plate (11) laid in pairs is separately positioned on inclined-plane
The two ends of flap (2).
4. according to the method for repairing and constructing that weares and teares in the shield cutter tunnel described in claim 3, it is characterised in that：In step 301
Needed to original before the cutterhead repair space is welded on the new big scraper tool apron correspondence on original big scraper tool apron
There is big scraper tool apron to carry out polishing cleaning；In the cutterhead repair space by the little scraper knife in the new outer ring in step 302
Seat correspondence needs to carry out polishing cleaning to the little scraper tool apron in original outer ring before being welded on the little scraper tool apron in original outer ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611173113.7A CN106640101B (en) | 2016-12-18 | 2016-12-18 | Method for repairing and constructing is worn in shield cutter tunnel |
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|---|---|---|---|
| CN201611173113.7A CN106640101B (en) | 2016-12-18 | 2016-12-18 | Method for repairing and constructing is worn in shield cutter tunnel |
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| CN106640101B CN106640101B (en) | 2018-08-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356433A (en) * | 2018-03-13 | 2018-08-03 | 中铁隧道局集团有限公司 | TBM cutterheads and base bearing repair method |
| CN108422068A (en) * | 2018-03-13 | 2018-08-21 | 中铁隧道局集团有限公司 | TBM cutterhead scraper plate method for maintaining |
| CN108747197A (en) * | 2018-05-31 | 2018-11-06 | 中建八局轨道交通建设有限公司 | Cutter head of shield machine panel repairs structure and restorative procedure |
| CN111042826A (en) * | 2020-01-15 | 2020-04-21 | 武汉市汉阳市政建设集团有限公司 | Method for repairing shield cutter head cutter box in tunnel |
| CN111946350A (en) * | 2020-08-12 | 2020-11-17 | 中铁二十局集团第三工程有限公司 | Construction method for rapidly repairing edge of shield cutter based on high-abrasion stratum |
| CN112593951A (en) * | 2020-12-07 | 2021-04-02 | 安徽唐兴机械装备有限公司 | Device for rapidly replacing cutter head of push bench and working method thereof |
| CN113634983A (en) * | 2021-08-11 | 2021-11-12 | 中铁二十局集团有限公司 | Method for repairing cutter head of shield tunneling machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201241710Y (en) * | 2008-08-22 | 2009-05-20 | 中国建筑一局(集团)有限公司 | Sand cobble stratum shield cutter head |
| CN103061776A (en) * | 2013-01-06 | 2013-04-24 | 中铁隧道集团有限公司 | Method for repairing TBM (tunnel boring machine) cutter head in intra-tunnel high-pressure environment |
| CN103670429A (en) * | 2013-11-29 | 2014-03-26 | 北京交通大学 | Cutterhead and cutter reinforcing method for directly cutting reinforced concrete pile foundations by shield |
| CN204041076U (en) * | 2014-07-28 | 2014-12-24 | 中铁二十局集团有限公司 | A kind of underground pipe gallery shield-tunneling construction shield cutter |
-
2016
- 2016-12-18 CN CN201611173113.7A patent/CN106640101B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201241710Y (en) * | 2008-08-22 | 2009-05-20 | 中国建筑一局(集团)有限公司 | Sand cobble stratum shield cutter head |
| CN103061776A (en) * | 2013-01-06 | 2013-04-24 | 中铁隧道集团有限公司 | Method for repairing TBM (tunnel boring machine) cutter head in intra-tunnel high-pressure environment |
| CN103670429A (en) * | 2013-11-29 | 2014-03-26 | 北京交通大学 | Cutterhead and cutter reinforcing method for directly cutting reinforced concrete pile foundations by shield |
| CN204041076U (en) * | 2014-07-28 | 2014-12-24 | 中铁二十局集团有限公司 | A kind of underground pipe gallery shield-tunneling construction shield cutter |
Non-Patent Citations (2)
| Title |
|---|
| 李建华等: "开挖舱高压环境下盾构刀盘动火修复技术", 《隧道建设》 * |
| 高成梁: "盾构机刀盘磨损修复技术的应用实践", 《探矿工程（岩土钻掘工程）》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356433A (en) * | 2018-03-13 | 2018-08-03 | 中铁隧道局集团有限公司 | TBM cutterheads and base bearing repair method |
| CN108422068A (en) * | 2018-03-13 | 2018-08-21 | 中铁隧道局集团有限公司 | TBM cutterhead scraper plate method for maintaining |
| CN108747197A (en) * | 2018-05-31 | 2018-11-06 | 中建八局轨道交通建设有限公司 | Cutter head of shield machine panel repairs structure and restorative procedure |
| CN111042826A (en) * | 2020-01-15 | 2020-04-21 | 武汉市汉阳市政建设集团有限公司 | Method for repairing shield cutter head cutter box in tunnel |
| CN111946350A (en) * | 2020-08-12 | 2020-11-17 | 中铁二十局集团第三工程有限公司 | Construction method for rapidly repairing edge of shield cutter based on high-abrasion stratum |
| CN112593951A (en) * | 2020-12-07 | 2021-04-02 | 安徽唐兴机械装备有限公司 | Device for rapidly replacing cutter head of push bench and working method thereof |
| CN112593951B (en) * | 2020-12-07 | 2021-11-02 | 安徽唐兴机械装备有限公司 | Device for rapidly replacing cutter head of push bench and working method thereof |
| CN113634983A (en) * | 2021-08-11 | 2021-11-12 | 中铁二十局集团有限公司 | Method for repairing cutter head of shield tunneling machine |
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| CN106640101B (en) | 2018-08-17 |
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