CN106285705A - A kind of tunneler - Google Patents
A kind of tunneler Download PDFInfo
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- CN106285705A CN106285705A CN201610785172.3A CN201610785172A CN106285705A CN 106285705 A CN106285705 A CN 106285705A CN 201610785172 A CN201610785172 A CN 201610785172A CN 106285705 A CN106285705 A CN 106285705A
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- tunneler
- tunnel
- support boots
- support
- cutterhead
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000008859 change Effects 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000033001 locomotion Effects 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 2
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Classifications
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- 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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- 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
- E21D9/0621—Shield advancing devices
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- 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)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to a kind of tunneler, it is suitable to the tunnel that digging diameter is 7.5m to 8.2m.Tunneler includes: drive the main driving mechanism of cutterhead, main driving mechanism includes multiple drive force source assembly, drive mechanism by multiple drive force source Component drivers, and the cutterhead being connected with drive mechanism, circumferentially being enclosed in the shield around main driving mechanism, the shell of shield adapts to the diameter in tunnel to be excavated and changes size.When wait the tunnel diameter excavated at 7.5m to 8.2m between time, it is only necessary to changing the part-structure of tunneler of the present invention, and change without entirety, this can realize the versatility of main parts size, and highly shortened and manufacture and design cycle and producing cost.
Description
Technical field
The present invention relates to mechanical field, particularly relate to a kind of tunneler.
Background technology
Along with the fast development of national economy, urbanization process is constantly accelerated, and this causes domestic urban subway tunnel, water
The Tunnel Engineering such as work tunnel, cross-river tunnel, railway tunnel, vcehicular tunnel, municipal pipeline will need substantial amounts of tunneler.Tunnel
Road development machine is a kind of high-intelligentization, integrates mechanical, electrical, the constructing tunnel major technologies and equipment of liquid, light, computer technology.
Implement tunneler domestic industry, both can break the situation that foreign enterprise market at home rules all the land, and can promote and drive again
The development of the industries such as relevant electromechanics, hydraulic pressure, material, sensor, strengthens equipment manufacture comprehensive strength, improves the great dress of China
Standby competitiveness in the international market.
Generally, tunneler is tailor-made according to constructing tunnel object.But, the structure of tunneler is multiple
Miscellaneous, parts are various, this cause tunneler manufacture and design cycle length and also producing cost is the highest.In satisfied customization
On the premise of the differentiation of product, how to meet realize main parts size versatility, shorten manufacture and design cycle and production expense
With being the key subjects faced at present.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of tunneler, and it is suitable to digging diameter is 7.5m to 8.2m's
Tunnel.When wait the tunnel diameter excavated at 7.5m to 8.2m between time, it is only necessary to change the part-structure of this tunneler,
And change without entirety, this can realize the versatility of main parts size, and highly shortened and manufacture and design cycle and production
Expense.
Tunneler according to the present invention includes the main driving mechanism driving cutterhead, and main driving mechanism includes multiple driving
Power source component, by the drive mechanism of multiple drive force source Component drivers, and the cutterhead being connected with drive mechanism, circumferentially surround
Shield around main driving mechanism, the shell of shield adapts to the diameter in tunnel to be excavated and changes size.
When using the tunneler digging diameter tunnel at 7.5m to 8.2m of the present invention, can be by replacing shield
Shell is so that shell after Geng Huaning can be with the contact internal walls in tunnel, but the miscellaneous part relevant to shield shell is then without more
Change, thus achieve the versatility of main parts size, and highly shortened and manufacture and design cycle and producing cost.
In one embodiment, multiple drive force source assemblies each include motor and the change speed gear box being connected with motor, transmission
Mechanism includes the gear ring driven by multiple change speed gear boxes and the cutterhead bearing part being connected with gear ring.In a preferred embodiment,
The quantity of multiple motors is 12, and the power of each motor is 350Kw.In one embodiment, drive mechanism also includes carrying
From the base bearing of the thrust of cutterhead, base bearing is arranged between cutterhead bearing part and described change speed gear box.Preferably, base bearing
A diameter of 5.3m.It has been found that when the tunnel that digging diameter is 7.5m to 8.2m, the motor of this combination can provide to
Cutterhead provides sufficiently large power to creep in stratum.The base bearing of a diameter of 5.3m also be enough to bear the extruding from cutterhead
Power, it is ensured that tunnel piercing function successfully tunneling.Thus, when change between the diameter in tunnel is at 7.5m to 8.2m, and
Need not change and change motor and base bearing, which strongly simplifies the design of tunneler, and reduce tunnel digging
Enter producing cost and the production cycle of machine.
In one embodiment, shell is made up of the multiple housing portions mutually overlapped, and is internally provided with use at shell
In the shield oil cylinder driving multiple housing portions.Shield oil cylinder can push out housing portion and lean tunnel wall tightly, real
The now preliminary supporting to tunnel wall.
In one embodiment, compared with the design adaptation tunnel diameter of tunneler, the diameter in tunnel to be excavated
When increase amplitude is between 50mm to 500mm, by being fixedly installed new housing department on the outer surface of multiple housing portions respectively
Divide and change its size.In a preferred embodiment, between housing portion and new housing portion, there are gap,
Multiple ribs it is provided with in gap.Can particularly simple change the size of the shell of shield in this way, particularly diameter,
And multiple ribs makes new shell can bear the pressure in tunnel.This greatly reduces the quantity of renewal part,
Expense and being time-consumingly also greatly reduced.Additionally, by the gap between regulation housing portion and new housing portion, one can be entered
The size of step joint shell, thus expand the tunnel diameter that tunnel piercing function is adaptive.
In one embodiment, cutterhead includes central block and the multiple limits block that can be removably mounted.By changing accelerating of cutterhead, can
Change the diameter of cutterhead easily, to adapt to tunnel to be excavated.In a preferred embodiment, the quantity of multiple limits block is
Four and shape identical.The shape of limit block is identical, and this is very easy to batch making limit block, and facilitates user more
Change sides block.
In one embodiment, tunneler also includes axially arranged girder, and main driving mechanism is arranged on girder
Front, the hinged propulsion assembly that is provided with at the middle part of girder, and it is fixedly installed a support component, a support component includes slidingtype
The saddletree being connected across on girder, the support boots oil cylinder that suspension type is connected with saddletree, the end of the extension bar of support boots oil cylinder is provided with support
Boots, propulsion assembly is hinged with support boots, and support boots adapt to the diameter in tunnel to be excavated and change.A preferred embodiment
In, former support boots are fixedly installed variable diameter plate and change to the diameter adapting to described tunnel.In tunneler tunneling process, support
Boots are used for propping up tunnel wall.It has been found that only change support boots and do not change support boots oil cylinder and other associated components, Ke Yifang
Just adapt to the diameter tunnel at 7.5m to 8.2m, which strongly simplifies design and the manufacture of tunneler.
In one embodiment, the quantity of support boots oil cylinder is two, and the cylinder bottom of two support boots oil cylinders is connected with each other, two supports
The extension bar of boots oil cylinder is in same straight line and extends in the opposite direction.So, two support boots oil cylinders individually can be tieed up
Protect, and can keep in repair individually or change one of them when necessary, and another is unaffected, it reduces and safeguards into
This.
In one embodiment, a support component also includes pin assemblies, and pin assemblies includes the cylinder being arranged on two support boots oil cylinders
Horizontal winning in succession, horizontal two ends won in succession saddletrees respectively are connected, and pin assemblies also includes vertically selling, and vertically sells gap vertically at the end
Formula extends through the installing hole being arranged on the horizontal middle part won in succession, and vertically the two ends of pin are each via connecting plate and two support boots
Oil cylinder is connected.Two support boots oil cylinders are connected into an entirety by vertically pin and the connecting plate of pin assemblies, it is to avoid two support boots oil cylinders
Between occur relative motion.Pin assemblies horizontal win in succession and with saddletree, two support boots oil cylinders connected into an entirety, it is to avoid two
Support boots oil cylinder and saddletree relative motion in the axial direction.So when propulsion assembly pushes ahead girder, said two support boots oil cylinder
Can synchronously travel forward.Further, since vertically pin is matched in clearance with the installing hole on horizontal winning in succession, so can be as requested
Up-down adjustment tunneler.
In one embodiment, the size at the horizontal middle part won in succession is more than the size of two ends, and from middle part to end
Seamlessly transit.Therefore horizontal winning in succession can be configured in the middle part of it by the extruding force from vertically pin at the horizontal installing hole won in succession
Size is sized to improve the horizontal intensity won in succession more than two ends.Can avoid additionally, seamlessly transit from middle part to end
Horizontal winning in succession occurs that stress is concentrated.
In a preferred embodiment, between the cylinder bottom of two support boots oil cylinders, contiguous block is installed, in contiguous block
Reporting to the leadship after accomplishing a task and be configured with transverse holes and longitudinal hole, horizontal win in succession through transverse holes, vertically pin is through longitudinal hole, connecting plate be in contiguous block it
Outward.By arranging contiguous block, it is convenient to regulate the distance between two support boots, so that two support boots can better adapt to
The diameter in tunnel to be excavated.Win in succession additionally, horizontal and vertically sell the inside being mostly in contiguous block, thus avoiding it and be subject to
Injury from external environment condition.Additionally, contiguous block also contributes to connect together two support boots oil cylinders, alleviate connecting plate
Stressing conditions.
In one embodiment, on girder, it is disposed adjacently steel arch-shelf installing mechanism at the rear of shield.Steel arch-shelf
Installing mechanism includes the rotating ring of internal tooth round, engages the multiple support rollers coordinated with rotating ring, and the plurality of support roller is fixed on girder
On.When installing supporting shaped steel, first the multiple supporting shaped steel becoming section are arranged on rotating ring, and is spliced into a circle
Arc, is installed in tunnel wall the most again.
In one embodiment, rotating ring is provided with at interval for carrying the multiple hook of supporting shaped steel, hook
Including hook body, the first extension of hook body is fixedly linked with rotating ring, and the second extension is used for carrying supporting
The weight of shaped steel, is also equipped with auxiliary hook in hook body, and auxiliary hook is parallel with the second extension and its first end
It is hinged on the corner of hook body, at the second end, is provided with the tension hook assembly being connected with hook body.According to this
Plant structure, after being placed on hook by supporting shaped steel, by rotating auxiliary hook and by tension hook assembly and hook master
Body is connected and can be stably maintained on hook by supporting shaped steel.In addition, it is desirable to during release supporting shaped steel, it is only necessary to by tension hook group
Part separates with hook body, this facilitate that user operates.
In one embodiment, being additionally provided with jumbolter assembly on girder, jumbolter assembly includes that symmetrical expression sets
Put on girder both sides two arc tracks and two brills moved along two arc tracks respectively by annular walking mechanism
Machine.Rig is for perforating in tunnel wall and applies the reinforcement materials such as reinforcing bar in tunnel wall, to strengthen the intensity of tunnel wall.Logical
Cross and two arc tracks are set, can make the rig can perforating on each position on tunnel wall circumference.
Compared with prior art, it is an advantage of the current invention that: only need to reequip tunneler shield shell, support simply
Tunneler complete machine just can be used for the digging diameter any tunnel between 7.5m to 8.2m by boots easily, and without changing
The miscellaneous part of dress tunneler, which strongly simplifies design and the manufacture of tunneler.
Accompanying drawing explanation
Hereinafter based on embodiment reference accompanying drawing, the present invention will be described in more detail.Wherein:
Fig. 1 show schematically show the overall structure of the tunneler according to the present invention；
Fig. 2 show schematically show the main driving mechanism of the tunneler according to the present invention；
Fig. 3 show schematically show the structure of the shield of the tunneler according to the present invention；
Fig. 4 show schematically show the structure of the cutterhead of the tunneler according to the present invention；
Fig. 5 show schematically show the structure of the girder of the tunneler according to the present invention；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the A-A sectional view of Fig. 5；
Fig. 8 show schematically show the steel arch-shelf installing mechanism of the tunneler according to the present invention；
Fig. 9 is the side view of Fig. 8；
Figure 10 show schematically show the jumbolter assembly of the tunneler according to the present invention；
Figure 11 show schematically show the support boots of the tunneler according to the present invention；
Figure 12 show schematically show the variable diameter plate of the tunneler according to the present invention；
Figure 13 show schematically show according to the reducing of the tunneler of the present invention after support boots；
Figure 14 is the B-B sectional view of Fig. 6；
Figure 15 show schematically show propulsion assembly, a support component, saddletree and the assembly relation of pin assemblies with top view；
Figure 16 show schematically show the structure of the hook according to the present invention；
Figure 17 is the side view of Figure 16；
Figure 18 is the longitudinal section of Figure 16.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As it is shown in figure 1, tunneler 10 includes the cutterhead 1 along axis 11 layout, shield 2, main driving mechanism 3, girder 7
And it is arranged on other structures multiple or the assembly, such as steel arch-shelf installing mechanism 4 and jumbolter assembly 5 of girder 7.
Cutterhead 1 is in the forefront of tunneler 10, and in order to creep in stratum.Main driving mechanism 3 be used for
Cutterhead 1 applies driving force.The tunnel wall in the tunnel that shield 2 has just been drilled to for preliminary support.Adjacent with shield 2 and after being arranged on
The steel arch-shelf installing mechanism 4 of side is for implementing supporting to tunnel.It is arranged on the jumbolter assembly at steel arch-shelf installing mechanism 4 rear
5 for punching and insert the reinforcements such as reinforcing bar, to strengthen tunnel wall further in tunnel wall.
Multiple ingredients of tunneler 10 are described separately below.
Fig. 4 show schematically show the structure of cutterhead 1.Cutterhead 1 includes central block 41 and four identical limit blocks 42.
It should be understood that the quantity of limit block 42 can also be more.Central block 41 is connected to receive power with main driving mechanism 3.Limit block 42
Can change, in order to adapt to digging diameter tunnel between 7.5m to 8.2m.In one embodiment, central block 41
Cross section be rotational symmetric corner cut square shape, the mating shapes of the shape of limit block 42 and central block 41, in order to card
Connect location.In another embodiment, the cross section of central block 41 and the ratio of the cross-sectional area of cutterhead 1 are at 3:5.Application Crinis Carbonisatus
Existing, when the digging diameter tunnel at 7.5m to 8.2m, the central block 41 of such size can accept enough moments of torsion without
Deform.
Fig. 2 show schematically show main driving mechanism 3.As in figure 2 it is shown, what main driving mechanism 3 included arranging in the circumferential
12 motors 21.Motor 21 is chosen as the frequency conversion motor that power is 350Kw.12 motors 21 respectively with in change speed gear box 24
Reductor 22, gear 23 are connected.Gear 23 engages with gear ring 25.Gear ring 25 is connected with cutterhead bearing part 27 again.Cutterhead 1 is arranged on
On cutterhead bearing part 27.Hereby it is achieved that main driving mechanism 3 drives cutterhead 1.
In order to avoid gear ring 25 and gear 23 bear the thrust from cutterhead 1, at cutterhead bearing part 27 and change speed gear box 24
Base bearing 26 and ball 28 are installed, this thrust to be delivered on change speed gear box 24 between outer wall.Base bearing 26 and ball 28 are used
In reducing frictional force.In one embodiment, base bearing 26 is configured to its a diameter of 5.3m.
Fig. 3 show schematically show shield 2.Shield 2 includes shell 31 and is arranged on the inside of shell 31 outside driving
The shield oil cylinder 32 of shell 31.Shell 31 is formed by the housing portion 33 of multiple mutual overlap joints, and therefore the quantity of shield oil cylinder 32 is also
It is correspondingly multiple, to drive these housing portions 33.
Shield 2 (or shell 31) can also be increased by fixedly mounting new housing portion 35 in housing portion 33
Size, so that tunneler 10 is suitable to the digging diameter any tunnel between 7.5m to 8.2m.Preferably, with tunnel digging
The design adaptation tunnel diameter entering machine 10 is compared, wait the diameter in the tunnel excavated increase amplitude at 50mm to 500mm between time, logical
Cross and on the outer surface of housing portion 33, be fixedly installed new housing portion 35 to change its size.Particularly, for reusing
Tunneler for, can extremely convenient tunneler be applicable to new tunnel to be excavated in this way.
As it is shown on figure 3, there are gap 36 between housing portion 33 and new housing portion 35, in gap 36, it is provided with multiple support
Rib 37.By regulating the size in gap 36, the straight of shell 31 after being provided with new housing portion 35 can be adjusted easily
Footpath.
Fig. 5 show schematically show the girder 7 of tunneler 10.The motor 21 of main driving mechanism 3 is arranged on girder 7
On leading section 511.The middle part 512 of girder 7 is provided with propulsion assembly 52 and a support component 753, as shown in Figure 5 and Figure 6.?
In one embodiment, propulsion assembly 52 is propelling cylinder.The connecting rod 53 of propelling cylinder 52 is hinged with girder 7, and propelling cylinder
52 is hinged with a support component 753.Preferably, girder 7 lateral symmetry be provided with propelling cylinder 52.By connecting rod 53 from pushing away
Retract in the cylinder body of oil-feed cylinder 52 and stretch out, girder 7 can be promoted to advance, and then promoting cutterhead 1 to advance.It should be understood that Fig. 6 with
Two propelling cylinders being in different conditions show the course of action of propelling cylinder 52.
Prop up support component 753 and include saddletree 54, the lower section being in girder 7 and and the saddletree that slidingtype is connected across on girder 7
The support boots oil cylinder 71 that 54 suspension types are connected.In the end of the extension bar 72 of support boots oil cylinder 71, support boots 73 are installed.In this situation
Under, propelling cylinder 52 is hinged with support boots 73.In the present embodiment, the quantity of support boots oil cylinder 71 is two, and two support boots oil
The cylinder bottom of cylinder 71 is connected with each other.So, the extension bar 72 of two support boots oil cylinders 71 is in same straight line and towards contrary side
To extension.Be mounted on supportting boots 73 in the end of each extension bar 72, therefore two support boots 73 are symmetrically in the two of girder 7
Side.Symmetrical support boots 73 are supported in tunnel wall 1004, to ensure that girder 7 is all the time along being correctly oriented advance.Main advancing
During beam 7, first two support boots 73 support be connected in tunnel wall 1004, the connecting rod 53 of propelling cylinder 52 stretch out in cylinder body from
And promote girder 7 relative to saddletree 54 forward slip.It follows that two support boots 73 separate with tunnel wall 1004, propelling cylinder 52
Connecting rod 53 be retracted in cylinder body thus draw support boots 73 and advance, and then saddletree 54 and support boots oil cylinder 71 also travel forward.So
It is achieved that and pushes ahead tunneler 10.
All the time being synchronized with the movement with saddletree 54 in order to ensure two support boots oil cylinders 71, a support component 753 also includes pin assemblies.As
Shown in Figure 14 and 15, pin assemblies includes horizontal winning 1601 in succession, and it is arranged between the cylinder bottoms of two support boots oil cylinders 71, and horizontal wins in succession
The two ends of 1601 are connected with saddletree 54.Horizontal win in succession 1601 middle part be provided with the installing hole 1603 of vertically extension.Pin assemblies is also
Including with matched in clearance extend through the vertical pin 1501 of installing hole 1603.Vertically connecting plate is passed through at the two ends of pin 1501 respectively
1502 are fixedly linked with two support boots oil cylinders 71.So, in horizontal win in succession 1601, vertical pin 1501 and the connection of connecting plate 1502
Under, two support boots oil cylinders 71 form an entirety with saddletree 54.When propelling cylinder 52 is pulled along two support boots 73, it is ensured that two
Individual support boots oil cylinder 71 and saddletree 54 synchronously travel forward.
Preferably, horizontal win in succession 1601 the size at middle part (being i.e. provided with the position of installing hole 1603) more than the chi of two ends
Very little, and seamlessly transit from middle part to end.On the whole, horizontal winning in succession 1601 in fish tail shape, this can be avoided horizontal winning in succession
Produce stress on 1601 to concentrate.
In one embodiment, between the cylinder bottom of two support boots oil cylinders 71, contiguous block 75 is installed.This can increase two
Distance between support boots 73, so can adapt to the new diameter treating tunneling further.In this case, at contiguous block 75
Inside report to the leadship after accomplishing a task and be configured with transverse holes 1503 and longitudinal hole 1504.Horizontal winning in succession 1601 through transverse holes 1503, vertical pin 1501 is through vertical
To hole 1504, connecting plate 1502 is in outside contiguous block 75.
For reusable tunneler, variable diameter plate 1301 can be fixedly installed on the outer surface of support boots 73
Change its size, thus adapt to the new diameter treating tunneling.As shown in figure 11, support boots 73 include matrix 1201, by propping up
The arc 1203 that support member 1202 is connected with matrix 1201.Arc 1203 is used for leaning tunnel wall.Arrange on arc 1203
There is screwed hole 1204, variable diameter plate 1301 is also equipped with the screwed hole 1302 corresponding with screwed hole 1204, so can pass through spiral shell
Bolt 1401 is installed variable diameter plate 1301 on arc 1203 and is changed the size of support boots.In one embodiment, variable diameter plate 1301
It is the steel plate of 50mm for thickness.When using the tunneler 10 with support boots 73 to excavate new tunnel, can be easily
One or more variable diameter plate 1301 (such as Figure 13) is installed as required on arc 1203, adapts to new tunnel to be excavated
Road.
In one embodiment, being provided with two moment of torsion oil cylinders 74 on saddletree 54, two support boots oil cylinders 71 are respectively with two
The extension bar of individual moment of torsion oil cylinder 74 is connected, thus realizes supportting boots oil cylinder 71 and be connected with the suspension type of saddletree 54.By regulation moment of torsion
The extension elongation of the extension bar of oil cylinder 74, can be conveniently adjusted the height of support boots oil cylinder 71, and then regulation support boots 73 are in tunnel
Support Position on wall.
Fig. 8 and Fig. 9 shows the steel arch-shelf installing mechanism 4 of tunneler 10.Steel arch-shelf installing mechanism 4 is closely arranged
At the rear of shield 2, so that the tunnel wall excavated is implemented supporting.As shown in Figure 8, steel arch-shelf installing mechanism 4 includes rotating
Ring 81 and the multiple support rollers 82 matched with rotating ring 81, multiple support rollers 82 are arranged on girder 7.Rotating ring 81 is configured to interior table
Mask has the gear ring shape of teeth, and support roller 82 also engages with rotating ring 81 for gear.Preferably, rotating ring 81 is pacified at interval
Equipped with being used for carrying the multiple hook of supporting shaped steel 1701 (as shown in FIG. 8 and 9).When installing supporting shaped steel, the multiple of section will be become
First supporting shaped steel arranged on the hook 1701 of rotating ring 81, and is spliced into a circular arc, the most again by stretching arm 85
It is installed in tunnel wall.
Figure 16,17 and 18 show an exemplary structure of hook 1701.As shown in figure 18, hook 1701 includes hanging
Hook main body 1901.Hook body 1901 is substantially l-shaped, and its first extension 1902 is fixedly linked with rotating ring 81, the
Two extensions 1903 are for carrying the weight of supporting shaped steel 1904.Hook 1701 also includes auxiliary hook 1702.Preferably, auxiliary
The quantity of hook 1702 is two, and is symmetrically arranged on the both sides of hook body 1901, as shown in figure 17.Auxiliary hook 1702
And its first end 1703 parallel with the second extension 1903 is hinged at the turning 1905 of hook body 1901, second
The tension hook assembly 1705 being connected it is provided with hook body 1901 at end 1704.In one embodiment, tension hook group
Part 1705 includes the drag hook 1707 of the chain 1706 being connected with the second end 1704 and the end that is arranged on chain 1706.?
One extension 1902 is provided with tension hole 1708, and drag hook 1707 is engageable interior to realize and hook body to tension hole 1708
1901 are connected.
So, after supporting shaped steel 1904 being placed on hook 1701, by rotating auxiliary hook 1702 and general
Drag hook 1707 is connected with hook body 1901 and can be stably maintained at by supporting shaped steel 1904 on hook 1701.In addition, it is desirable to release
When putting supporting shaped steel 1904, it is only necessary to separated with hook body 1901 by drag hook 1707, this facilitate that user operates.
Preferably, steel arch-shelf installing mechanism 4 also includes the walking mechanism 91 driving rotating ring 81 axially-movable.Walking mechanism
91 move along girder 7 and carry rotating ring 81 simultaneously moves (i.e. axially-movable) along girder 7, so can be in the axial direction
Supporting shaped steel 1904 on tunnel wall 1004 installation site is fine-tuned.
Figure 10 shows the jumbolter assembly 5 of tunneler 10.Jumbolter assembly 5 includes that two are installed symmetrically
Arc track 1001 on girder 7 both sides and moved along two arc tracks 1001 by annular walking mechanism 1003 two
Rig 1002.By this motion of rig 1002, two rigs 1002 cover each on a circumference of tunnel wall 1004
Position, i.e. can each position perforating on one circumference of tunnel wall apply the reinforcement materials such as reinforcing bar in tunnel wall, with
Strengthen the intensity of tunnel wall.
Although by reference to preferred embodiment, invention has been described, but in the situation without departing from the scope of the invention
Under, can make improvements and parts therein can be replaced with equivalent.As long as there is not structural hazard, each is implemented
The every technical characteristic being previously mentioned in example all can combine in any way.The invention is not limited in the particular implementation in literary composition
Example, but include all technical schemes fallen within the scope of the appended claims.
Claims (17)
1. a tunneler, it is suitable to the tunnel that digging diameter is 7.5m to 8.2m, and described tunneler includes:
Driving the main driving mechanism of cutterhead, described main driving mechanism includes multiple drive force source assembly, by the plurality of driving force
The drive mechanism that source component drives, and the cutterhead being connected with described drive mechanism,
Circumferentially being enclosed in the shield around described main driving mechanism, the shell of described shield adapts to the straight of tunnel to be excavated
Footpath and change size.
Tunneler the most according to claim 1, it is characterised in that the plurality of drive force source assembly each includes electricity
Machine and the change speed gear box being connected with motor, described drive mechanism includes the gear ring driven by multiple change speed gear boxes and is connected with described gear ring
Cutterhead bearing part.
Tunneler the most according to claim 2, it is characterised in that the quantity of motor is 12, the merit of each motor
Rate is 350Kw.
4. according to the tunneler described in Claims 2 or 3, it is characterised in that described drive mechanism also include carry from
The base bearing of the thrust of described cutterhead, described base bearing is arranged between described cutterhead bearing part and described change speed gear box.
Tunneler the most according to claim 4, it is characterised in that a diameter of 5.3m of described base bearing.
6. according to the tunneler according to any one of claim 1 to 5, it is characterised in that described shell is by mutually overlapping
Multiple housing portions composition, at the shield oil cylinder being internally provided with for driving the plurality of housing portion of described shell.
Tunneler the most according to claim 6, it is characterised in that with the design adaptation tunnel diameter of tunneler
Compare, wait the tunnel excavated diameter increase amplitude at 50mm to 500mm between time, by outside the plurality of housing portion
New housing portion it is fixedly installed respectively to change its size on surface.
Tunneler the most according to claim 7, it is characterised in that exist between housing portion and new housing portion
There is gap, in described gap, be provided with multiple ribs.
9. according to the tunneler according to any one of claim 1 to 8, it is characterised in that described cutterhead includes central block
With the multiple identical limit block that can be removably mounted.
10. according to the tunneler according to any one of claim 1 to 9, it is characterised in that described tunneler also wraps
Including axially arranged girder, described main driving mechanism is arranged on the front of described girder,
The hinged propulsion assembly that is provided with at the middle part of described girder, and it is fixedly installed a support component,
Described support component includes the saddletree that slidingtype is connected across on described girder, the support boots oil that suspension type is connected with described saddletree
Cylinder, the end of the extension bar of described support boots oil cylinder is provided with support boots, and described propulsion assembly is hinged with described support boots, described support boots energy
Adapt to the diameter in tunnel to be excavated and change.
11. tunnelers according to claim 10, it is characterised in that be fixedly installed change on the outer surface of former support boots
Footpath plate changes its size.
12. according to the tunneler described in claim 10 or 11, it is characterised in that the quantity of described support boots oil cylinder is two
Individual, the cylinder bottom of two support boots oil cylinders is connected with each other, and the extension bar of two support boots oil cylinders is in same straight line and towards contrary
Direction extends.
13. tunnelers according to claim 12, it is characterised in that described support component also includes pin assemblies, institute
State pin assemblies and include being arranged on horizontal between the cylinder bottom of said two support boots oil cylinder winning in succession, described horizontal two ends won in succession institutes respectively
State saddletree to be connected,
Described pin assemblies also includes vertically selling, and described vertical pin clearance fit type vertically extends through and is arranged on described horizontal win in succession
The installing hole at middle part, the two ends of described vertical pin are connected each via connecting plate and two support boots oil cylinders.
14. tunnelers according to claim 13, it is characterised in that the size at the described horizontal middle part won in succession is more than two
The size of individual end, and seamlessly transit from middle part to end.
15. according to the tunneler described in claim 13 or 14, it is characterised in that at the cylinder bottom of said two support boots oil cylinder
Between contiguous block is installed, report to the leadship after accomplishing a task in described contiguous block and be configured with transverse holes and longitudinal hole, described horizontal win in succession through described horizontal stroke
Xiang Kong, described vertical pin is in outside described contiguous block through described longitudinal hole, described connecting plate.
16. according to the tunneler according to any one of claim 1 to 15, it is characterised in that on described girder, in institute
The rear stating shield has been disposed adjacently steel arch-shelf installing mechanism, and described steel arch-shelf installing mechanism includes the rotation of internal tooth round
Ring, engages the multiple support rollers coordinated with described rotating ring, and the plurality of support roller is fixed on described girder.
17. tunnelers according to claim 16, it is characterised in that be provided with at interval on rotating ring for
The carrying multiple hook of supporting shaped steel, described hook includes hook body, the first extension of described hook body and described rotation
Change is fixedly linked, and the second extension is used for carrying described supporting shaped steel, is also equipped with auxiliary hook in described hook body,
Described auxiliary hook is parallel with described second extension and its first end is hinged on the corner of described hook body,
Two ends are provided with the tension hook assembly being connected with described hook body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785172.3A CN106285705B (en) | 2016-08-31 | 2016-08-31 | tunnel boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785172.3A CN106285705B (en) | 2016-08-31 | 2016-08-31 | tunnel boring machine |
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| Publication Number | Publication Date |
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| CN106285705A true CN106285705A (en) | 2017-01-04 |
| CN106285705B CN106285705B (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610785172.3A Active CN106285705B (en) | 2016-08-31 | 2016-08-31 | tunnel boring machine |
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| CN (1) | CN106285705B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638740A (en) * | 2021-08-27 | 2021-11-12 | 中国铁建重工集团股份有限公司 | Shield machine with variable shield body diameter |
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| Publication number | Publication date |
|---|---|
| CN106285705B (en) | 2019-12-13 |
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