CN209354139U - A kind of double supporting development machines of shield formula - Google Patents
A kind of double supporting development machines of shield formula Download PDFInfo
- Publication number
- CN209354139U CN209354139U CN201822252953.3U CN201822252953U CN209354139U CN 209354139 U CN209354139 U CN 209354139U CN 201822252953 U CN201822252953 U CN 201822252953U CN 209354139 U CN209354139 U CN 209354139U
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- Prior art keywords
- shield
- arch
- sealing plate
- installing port
- tail
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- 238000011161 development Methods 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 230000000694 effects Effects 0.000 claims description 13
- 239000011435 rock Substances 0.000 abstract description 25
- 238000010276 construction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 240000006141 Rumex scutatus Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of double supporting development machines of shield formula, solve the technical issues of operating difficulties when card machine occurs for existing shield formula TBM, take time and effort.The utility model includes the connected anterior shield and tail shield in front and back, cutterhead is provided on anterior shield, duct piece assembling machine is provided in tail shield, top between anterior shield and tail shield offers arch installing port, arch installing port is detachably provided with sealing plate, and arch erector corresponding with arch installing port is provided in shield body.When card machine occurs, the utility model can easily remove the sealing plate between anterior shield and tail shield, and construction personnel can easily excavate the country rock of card machine part；Sealing plate below breaking surrounding rock, is then reinstalled on arch installing port by the arch erector below subsequent arch installing port by prefabricated arch supporting.The technical program can not only carry out supporting to breaking surrounding rock, and can also carry out pre support on the poor stratum of geology, and then controllable country rock prevents from deforming, and avoids tail shield by stuck again.
Description
Technical field
The utility model relates to tunnel support technology field, a kind of double supporting development machines of shield formula are particularly related to.
Background technique
Rock tunnel, which excavates, at present mainly applies rock tunnel development machine (abbreviation TBM), and TBM can be divided into unlimited according to type
Formula TBM and shield formula TBM.Shield formula TBM needs to install in the construction process section of jurisdiction, and the shield body of such TBM is together with assembled pipe
Piece constitutes a closed system, and Tunnel wall and construction personnel in TBM are separated, protection construction personnel's safety.
Shield formula TBM is easy to happen the risk of card machine when encountering surrounding rock collapse, the deformation of stratum weakness.Shield formula TBM card
It when machine, needs to remove assembled section of jurisdiction or cuts off a part of shield, Tunnel wall is exposed, so that operating personnel is to collapsing
Fang Yanshi manually dig and is handled with supporting.The section of jurisdiction of dismounting, the shield body cut off are restored again after machine is got rid of poverty successfully, torn open
The workloads such as artificial supporting are big when removing and restore section of jurisdiction shield body, processing landslide country rock, take time and effort.
Utility model content
For the deficiency in above-mentioned background technique, the utility model proposes a kind of double supporting development machines of shield formula, solve
Operating difficulties when card machine occurs for existing shield formula TBM, the technical issues of taking time and effort.
The technical solution of the utility model is achieved in that a kind of double supporting development machines of shield formula, including front and back are connected
Anterior shield and tail shield, be provided with cutterhead on anterior shield, duct piece assembling machine be provided in tail shield, the top between anterior shield and tail shield opens up
There is arch installing port, arch installing port is detachably provided with sealing plate, and arch corresponding with arch installing port is provided in shield body
Erector.The occurrence of arch installing port is arranged in the technical program, can easily cope with card machine by arch installing port, works as hair
When raw card machine, the sealing plate between anterior shield and tail shield is removed, construction personnel can easily excavate the country rock of card machine part；Then
Sealing plate below breaking surrounding rock, is then reinstalled in arch by prefabricated arch supporting by the arch erector below arch installing port
On frame installing port.The technical program can not only carry out supporting to breaking surrounding rock, and can also carry out on the poor stratum of geology
Pre support, and then controllable country rock prevents from deforming, and avoids tail shield by stuck again.
Further, the arch installing port is opened up around the axis of development machine, is not only convenient for excavating country rock, Er Qieneng
It is enough that prefabricated arch is easily installed；Arch installing port is 60 ° -180 ° around the central angle of development machine axis, can be according to driving
The geological conditions and construction reference in location determine the size of arch installing port, are mounted the size of arch installing port and needs
Prefabricated arch is adapted.
Further, the arch installing port is 120 ° around the central angle of development machine axis, the ruler of this arch installing port
Very little is a kind of general preferred size, can either guarantee the reliability of supporting, and can guarantee that arch installs the convenience passed through.
Further, the front end of the sealing plate is detachably connected with anterior shield, and the rear end of sealing plate is docked with tail shield activity, or
The rear end of the sealing plate is detachably connected with tail shield, and the front end of sealing plate is docked with anterior shield activity.One end of sealing plate is connected with shield body,
It can either guarantee the closure to arch mounting hole, and can guarantee there are enough activity surpluses between anterior shield and tail shield.
Further, the sealing plate includes anterior shield sealing plate and tail shield sealing plate, before the front end of anterior shield sealing plate is detachably connected on
On shield, the rear end of tail shield sealing plate is detachably connected on tail shield, the rear end of anterior shield sealing plate and the front end activity grafting of tail shield sealing plate.
The anterior shield sealing plate and tail shield sealing plate of setting activity grafting may further ensure that collectively as the sealing plate of arch installing port to arch
The reliability that installing port blocks.
The utility model has carried out reasonable optimization design to shield formula TBM, and the shield body part of shield formula TBM is designed to
Dismountable structure, when card machine, facilitate construction personnel to handle country rock, have both been avoided that the cumbersome behaviour that destructive dismounting is carried out to equipment
Make, and can guarantee the integrality and reliability of shield body structure；The supporting of bad country rock can be carried out by being equipped with arch erector, be reduced
Construction personnel's operation intensity.In addition, double supporting processing can be carried out in the stratum of unfavorable geology whether no matter card machine occurring,
Arch and section of jurisdiction combination supporting are carried out to unfavorable geology, after installing prefabricated arch, through duct piece assembling machine in arch
Side assembly prefabricated pipe section, supporting construction intensity is high, can effectively reduce the damage probability of supporting construction.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Schematic diagram when Fig. 1 is the arch installing port closing of the utility model；
Fig. 2 is the schematic diagram when arch installing port of the utility model opens wide；
Fig. 3 is the enlarged drawing in Fig. 1 at A.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1, a kind of double supporting development machines of shield formula, as shown in Figure 1, include the anterior shield 2 and tail shield 6 that front and back is connected,
It is provided with the drive system of cutterhead 1 and cutterhead 1 on anterior shield 2, propelling cylinder 7 and duct piece assembling machine 8 are provided in tail shield 6.Driving
The tunneling process of machine is that 7 apical grafting of propelling cylinder is on the assembled good prefabricated pipe section 9 in rear, and cutterhead 1 is under the drive of drive system
The face 11 in front is cut, with the propulsion of propelling cylinder 7, face 11 is constantly pushed ahead.When propelling cylinder 7
After extending the width of a prefabricated pipe section 9 out, the propelling cylinder 7 of stretching is withdrawn, then duct piece assembling machine 8 is in tail shield 6 with after
The prefabricated pipe section 9 of an assembled new ring between the prefabricated pipe section 9 of side, then 7 apical grafting of propelling cylinder is in a new assembled ring prefabricated pipe
The driving of subsequent cycle is carried out on piece 9.
As shown in Fig. 2, the top between the anterior shield 2 and tail shield 6 offers arch installing port 5, arch installing port 5 is removable
It unloads and is provided with sealing plate 3, arch erector 4 corresponding with arch installing port 5 is provided in shield body, arch erector 4 can pass through
The prefabricated arch 10 of the supporting on palisades of arch installing port 5.Arch installing port 5 is arranged in the technical program, easily copes with card machine feelings
The generation of condition removes the sealing plate 3 between anterior shield 2 and tail shield 6, construction personnel can be easily by card machine portion when card machine occurs
The country rock divided is excavated；The arch erector 4 of subsequent 5 lower section of arch installing port by prefabricated 10 supporting of arch below breaking surrounding rock,
Then sealing plate 3 is reinstalled on arch installing port 5.
The technical program can not only carry out supporting to breaking surrounding rock, and can also be paid in advance on the poor stratum of geology
Shield, and then controllable country rock prevents from deforming, and avoids tail shield by stuck again.The utility model has carried out rationally shield formula TBM
Optimization design, the shield body part of shield formula TBM is designed to dismountable structure, when card machine facilitates construction personnel's processing to enclose
Rock had not only been avoided that the troublesome operation for carrying out destructive dismounting to equipment, but also can guarantee the integrality and reliability of shield body structure；
The supporting of bad country rock can be carried out by being equipped with arch erector, reduce construction personnel's operation intensity.In addition, no matter occur card machine with
It is no, double supporting processing can be carried out in the stratum of unfavorable geology, and arch and section of jurisdiction combination supporting are carried out to unfavorable geology.
The use process of the utility model, comprising the following steps:
Step 1, the dismounting of sealing plate, shutdown maintenance after card machine occurs for development machine, dismounting sealing plate first is to arch installing port
Closure；
Step 2 excavates country rock, and construction personnel can be excavated the country rock of shield body periphery by arch installing port, and
Excavate out arch mounting groove；
Step 3 installs arch, is installed prefabricated arch in arch by the supporting of arch installing port using arch erector
In slot；
Step 4, the installation of sealing plate are withdrawn arch erector, are blocked using sealing plate to arch installing port, Ji Kekai
Machine continues to tunnel.
Further, further include step 5, assembled prefabricated pipe section, step 4 sealing plate after the installation is completed, development machine is logical
It crosses propelling cylinder to continue to push ahead, after the tail shield of development machine is more than the supporting position of prefabricated arch, uses duct piece assembling machine
The prefabricated arch of prefabricated pipe section and supporting after the inside assembly prefabricated pipe section of prefabricated arch, assembly forms complete supporting
Structure substantially increases the safety of supporting.
Further, the prefabricated arch is 60 ° -180 ° around the central angle of development machine axis, the size of prefabricated arch
It can be configured according to specific construction demand.
Further, the prefabricated arch is 120 ° around the central angle of development machine axis, and the size of the prefabricated arch is
A kind of general preferred size can satisfy the supporting demand of all country rocks substantially.
Embodiment 2, a kind of double supporting development machines of shield formula, the arch installing port 5 are opened up around the axis of development machine, no
Only convenient for excavating country rock, and prefabricated arch 10 can be easily installed；Arch installing port 5 surrounds the center of circle of development machine axis
Angle is 60 ° -180 °, and designer can determine the big of arch installing port 5 according to the geological conditions and construction reference in driving location
It is small, make the size of arch installing port 5 and mounted prefabricated arch 10 is needed to be adapted.
The other structures of the present embodiment are same as Example 1.
Embodiment 3, a kind of double supporting development machines of shield formula, the arch install 5 mouthfuls of central angles for surrounding development machine axis
It is 120 °, the size of this arch installing port 5 is a kind of general preferred size, can either guarantee the reliability of supporting, and can
Guarantee that arch installs the convenience passed through.
The other structures of the present embodiment are same as Example 2.
Embodiment 4, a kind of double supporting development machines of shield formula, front end and the anterior shield 2 of the sealing plate 3 are detachably connected, sealing plate 3
6 activity of rear end and tail shield dock or the rear end of the sealing plate 3 is detachably connected with tail shield 6, the front end of sealing plate 3 and anterior shield 2
Activity docking.One end of sealing plate 3 is connected with shield body, can either guarantee the closure to arch mounting hole 5, and can guarantee anterior shield 2
There are enough activity surpluses between tail shield 6.
The other structures of the present embodiment are identical as embodiment 2 or 3.
Embodiment 5, a kind of double supporting development machines of shield formula, as shown in figure 3, the sealing plate 3 includes anterior shield sealing plate 3-1 and tail
The front end of shield sealing plate 3-2, anterior shield sealing plate 3-1 are detachably connected on anterior shield 2, and the rear end of tail shield sealing plate 3-2 is detachably connected on
On tail shield 6, the rear end of anterior shield sealing plate 3-1 and the front end activity grafting of tail shield sealing plate 3-2.The anterior shield sealing plate of setting activity grafting and
Tail shield sealing plate may further ensure that the reliability blocked to arch installing port collectively as the sealing plate of arch installing port.
The other structures of the present embodiment are identical as embodiment 2 or 3.
The not detailed place of the utility model is conventional technical means known in those skilled in the art.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of double supporting development machines of shield formula, including anterior shield (2) and tail shield (6) that front and back is connected, anterior shield is provided with knife on (2)
Disk (1), tail shield (6) is interior to be provided with duct piece assembling machine (8), it is characterised in that: the top between anterior shield (2) and tail shield (6) opens up
Have arch installing port (5), arch installing port (5) is detachably provided with sealing plate (3), is provided in shield body and arch installing port (5)
Corresponding arch erector (4).
2. the double supporting development machines of shield formula according to claim 1, it is characterised in that: the arch installing port (5) surround
The axis of development machine opens up, and arch installing port (5) is 60 ° -180 ° around the central angle of development machine axis.
3. the double supporting development machines of shield formula according to claim 2, it is characterised in that: the arch installing port (5) is around pick
Central angle into arbor line is 120 °.
4. the double supporting development machines of shield formula according to claim 1-3, it is characterised in that: the sealing plate (3)
Front end is detachably connected with anterior shield (2), and the rear end of sealing plate (3) is docked with tail shield (6) activity.
5. the double supporting development machines of shield formula according to claim 1-3, it is characterised in that: the sealing plate (3)
Rear end is detachably connected with tail shield (6), and the front end of sealing plate (3) is docked with anterior shield (2) activity.
6. the double supporting development machines of shield formula according to claim 1-3, it is characterised in that: sealing plate (3) packet
Anterior shield sealing plate (3-1) and tail shield sealing plate (3-2) are included, the front end of anterior shield sealing plate (3-1) is detachably connected on anterior shield (2), tail shield
The rear end of sealing plate (3-2) is detachably connected on tail shield (6), the rear end of anterior shield sealing plate (3-1) and the front end of tail shield sealing plate (3-2)
Activity grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252953.3U CN209354139U (en) | 2018-12-29 | 2018-12-29 | A kind of double supporting development machines of shield formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252953.3U CN209354139U (en) | 2018-12-29 | 2018-12-29 | A kind of double supporting development machines of shield formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354139U true CN209354139U (en) | 2019-09-06 |
Family
ID=67801836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252953.3U Withdrawn - After Issue CN209354139U (en) | 2018-12-29 | 2018-12-29 | A kind of double supporting development machines of shield formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441464A (en) * | 2018-12-29 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of double supporting development machines of shield formula and its application method |
-
2018
- 2018-12-29 CN CN201822252953.3U patent/CN209354139U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441464A (en) * | 2018-12-29 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of double supporting development machines of shield formula and its application method |
| CN109441464B (en) * | 2018-12-29 | 2024-01-26 | 中铁工程装备集团有限公司 | Shield type double-support heading machine and application method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190906 Effective date of abandoning: 20240126 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190906 Effective date of abandoning: 20240126 |