CN115478868A - Pipe jacking machine, receiving tunnel, tunnel group and construction method of communication channel between tunnels - Google Patents
Pipe jacking machine, receiving tunnel, tunnel group and construction method of communication channel between tunnels Download PDFInfo
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- CN115478868A CN115478868A CN202211146351.4A CN202211146351A CN115478868A CN 115478868 A CN115478868 A CN 115478868A CN 202211146351 A CN202211146351 A CN 202211146351A CN 115478868 A CN115478868 A CN 115478868A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 title claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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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
- E21D9/10—Making by using boring or cutting machines
-
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
-
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
- E21D9/112—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads
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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 push bench, a receiving tunnel, a tunnel group and a construction method of a communication channel between tunnels. The construction method of the communication channel between the tunnels comprises the following steps: enabling the pipe jacking machine head to be in a working position, penetrate out from the starting hole and jack towards the receiving hole; when the pipe jacking machine head is jacked to be close to the receiving hole, the inner machine of the pipe jacking machine head is in an unlocking position; the front end of the machine shell of the pipe jacking machine head is jacked forwards and inserted into a ring groove between the receiving hole and the receiving hole door; an inner machine located in the cabinet is received. This scheme can be through push bench quick construction connecting channel, compares the mode that current reinforcement soil body was excavated manually and has higher efficiency. Compare traditional pipe pushing jack construction scheme, this scheme is through making the casing front end push up in the annular, dismantles the interior machine in the casing afterwards, and the casing has become tunnel self part this moment, has so both practiced thrift the material, has reduced the recovery degree of difficulty of pipe pushing jack again. The construction efficiency is improved, and meanwhile, the cost is reduced.
Description
Technical Field
The invention relates to the field of tunnel engineering, in particular to a pipe jacking machine, a receiving tunnel, a tunnel group and a construction method of a communication channel between tunnels.
Background
According to the related requirements of fire evacuation in China and the like, a proper communication channel needs to be constructed between long-distance parallel bidirectional tunnels so as to meet the requirement of rapid evacuation of people under the emergency condition of the tunnels.
At present, the communication channel between tunnels is generally subjected to freezing method, land solidification, anchoring and other methods to enhance the strength and impermeability of soil bodies in the communication channel area, and then the opening construction is carried out. The communication channel is positioned in the tunnel and then the underground passage construction is carried out, so that the construction risk is high; and the construction conditions are severely restricted, the construction environment is severe, and the construction difficulty is greatly increased.
Disclosure of Invention
The invention aims to overcome the defects of high construction difficulty, severe construction conditions and high risk in the prior art and provides a pipe jacking machine, a receiving tunnel, a tunnel group and a construction method of a communication channel between tunnels.
The invention solves the technical problems through the following technical scheme:
the utility model provides a push bench, push bench includes the push bench aircraft nose, the push bench aircraft nose includes the casing and locates interior machine in the casing, interior machine can move about between operating position and unblock position relative to the casing, wherein, at operating position, interior machine is fixed with the casing to the front end of interior machine surpasss the front end of casing, and at the unblock position, the casing front end surpasss the front end of interior machine.
The push bench can be used for punching a communication channel in two parallel tunnels.
Preferably, the inner machine is detachably connected with the casing through a bolt, the inner machine can move relative to the casing after the bolt is removed, or an axial guide rail is arranged in the casing, the inner machine can slide along the axial guide rail, and the inner machine can realize fixation relative to the casing through a limiting block arranged on the axial guide rail.
Through the structure, the switching of the inner machine between the working state and the unlocking state can be realized.
Preferably, the inner machine comprises a cutter head, the cutter head can be switched between a cutting state and a folding state, the outer diameter of the cutter head is larger than the inner diameter of the casing when the cutter head is in the cutting state, and is smaller than or equal to the inner diameter of the casing when the cutter head is in the folding state, when the inner machine is in a working position, the cutter head is correspondingly in the cutting state, when the inner machine is in an unlocking position, the cutter head is correspondingly in the folding state.
The cutter head external diameter is greater than the casing internal diameter when cutting the attitude, can cut out the tunnel that the diameter is bigger on the one hand, and on the other hand can make the axial projection of cutter head shelter from the casing completely, avoids the earth that the cutter head cutting produced to gush into the casing, guarantees the normal clear of cutting work. When the outer diameter of the cutter head is smaller than or equal to the inner diameter of the machine shell in a folded state, the inner machine can be ensured to retract into the machine shell without obstruction.
Preferably, the cutter disc comprises a disc body and a cutter arm movably connected to the outer edge of the disc body, the cutter arm is connected with a driving device, and the cutter arm can move towards the center of the disc body under the driving of the driving device until the axial projection of the cutter arm completely falls into the outer contour of the cutter disc.
Preferably, the receiving tunnel is provided with a receiving hole and a receiving hole door, a gap is left between the outer wall of the receiving hole door and the inner wall of the receiving hole door to form an annular groove, and the annular groove is used for inserting the front end of the shell of the push bench.
Therefore, the butt joint of the communication channel ejected by the push bench and the receiving tunnel can be realized.
Preferably, one end of the annular groove close to the inner side of the receiving tunnel is closed.
And then can avoid groundwater to permeate from the annular groove and receive the tunnel when satisfying the requirement of butt joint with the casing. And the waterproof requirement of the receiving tunnel is met.
The invention also provides a tunnel group, which comprises an originating tunnel and a receiving tunnel as described above, wherein the originating tunnel is parallel to the receiving tunnel, and the originating tunnel is provided with an originating hole arranged opposite to the receiving hole on the receiving tunnel. The pipe push machine can penetrate out of the starting hole and penetrate through soil body to enter the receiving hole, and therefore the connecting channel of the starting tunnel and the receiving tunnel is communicated.
Preferably, the starting hole is provided with a starting hole door, and the starting hole door can be opened and closed to expose or close the starting hole. The initial tunnel portal is provided for protection against water and seepage during the early preparation work.
The invention also provides a construction method of the communication channel between the tunnels, which is suitable for the push bench and the tunnel group and comprises the following steps:
s10, enabling the pipe jacking machine head to be in a working position, penetrate out of the starting hole and jack in the direction of the receiving hole;
s20, when the pipe jacking machine head is jacked to be close to the receiving hole, enabling an inner machine of the pipe jacking machine head to be in an unlocking position;
s30, the front end of a shell of a pipe jacking machine head is jacked forwards and inserted into a ring groove between a receiving hole and a receiving hole door;
and S40, receiving an inner machine positioned in the shell.
This scheme can be through the quick connection channel of establishing between two tunnel groups of pipe push bench, compares the mode that current reinforcement soil body was excavated manually and has higher efficiency.
Compare traditional pipe pushing jack construction scheme, this scheme is through making the casing front end push up in the annular, dismantles the interior machine in the casing afterwards, and the casing has become tunnel self part this moment, has so both practiced thrift the material, has reduced the recovery degree of difficulty of pipe pushing jack again. The construction efficiency is improved, and meanwhile, the cost is reduced.
Preferably, step S30 further includes: and after the front end of the shell is inserted into the annular groove, grouting is performed to block a gap between the shell and the receiving hole.
Preferably, the step S40 includes:
disassembling the receiving hole door;
and moving the inner machine from the receiving hole into the receiving tunnel for receiving.
The positive progress effects of the invention are as follows:
this scheme can be through the quick connection channel of establishing between two tunnel groups of pipe push bench, compares the mode that current reinforcement soil body was excavated manually and has higher efficiency.
Compare traditional push bench construction scheme, this scheme is through making the casing front end push up in the annular, dismantles the interior machine in the casing afterwards, and the casing has become tunnel self part this moment, has so both practiced thrift the material, has reduced push bench's the recovery degree of difficulty again. The construction efficiency is improved, and meanwhile, the cost is reduced.
Drawings
FIG. 1 is a top view of a tunnel group;
FIG. 2 is a schematic view of a pipe jacking machine in a tunnel group in an initial state;
FIG. 3 is a schematic view of the jacking machine in the tunnel group jacking forward to the portal of the tunnel;
FIG. 4 is a schematic view of an originating door in an originating pipe section being open;
FIG. 5 is a schematic view of the restrictor plate being opened in stages;
FIG. 6 is a schematic view of the originating portal fully opened;
FIG. 7 is a front view of the cutter head;
fig. 8 is a schematic view of the indoor unit in an unlocked state;
FIG. 9 is a schematic view of the case being pushed into the ring groove;
FIG. 10 is a schematic view of a slip casting seal ring groove;
fig. 11 is a schematic diagram of a receiver internal machine;
fig. 12 is a flowchart of the tunnel construction method;
description of reference numerals:
pipe jacking machine head 100
Knife arm 123
Receiving tunnel 200
Receiving opening 210
Receiving hole door 220
Pulling device 222
Receiving pipe segment 230
Originating tunnel 300
Originating portal 310
Originating pipe section 320
Originating portal 330
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
The invention provides a push bench with reference to fig. 2, which comprises a push bench head 100, wherein the push bench head 100 comprises a machine shell 110 and an inner machine 120 arranged in the machine shell 110. The inner machine 120 is a module including a cutter 121 for cutting a soil body and a power mechanism for driving the cutter 121.
With reference to fig. 4 and 8, the inner unit 120 is movable relative to the housing 110 between an operating position 130 and an unlocked position 140. The working position 130 is the position where the inner machine 120 cuts the soil body and moves forward. When the inner unit 120 is in the operating position 130, it is fixed with the cabinet 110, and the front end of the inner unit 120 exceeds the front end of the cabinet 110.
When the inner unit 120 is in the unlocked position 140, the front end of the housing 110 extends beyond the front end of the inner unit 120 such that the housing 110 can be inserted into the annular groove 240 at the receiving aperture 210 unimpeded by the inner unit 120 during subsequent operation. It should be further noted that when the inner unit 120 is in the unlock position 140, it can be in a movable state relative to the casing 110 or in a fixed state relative to the casing 110. In the present invention, the inner unit 120 is movable relative to the housing 110 when in the unlocked position 140.
The push bench can be used for punching a communication channel in two parallel tunnels.
In this embodiment, the inner unit 120 is detachably connected to the casing 110 by bolts, and the inner unit 120 is connected to the casing 110 by bolts to fix the casing 110; the movement of the inner unit 120 and the cabinet 110 is realized by removing the bolts, thereby realizing the switching between the working state and the unlocking state of the inner unit 120.
In addition, the switching of the inner unit 120 between the working state and the unlocking state can be realized by the following alternative schemes: an axial guide rail is arranged in the casing 110, the inner machine 120 can move along the axial guide rail, and the inner machine 120 can be relatively fixed with the casing 110 through a limiting block arranged on the axial guide rail. When the inner unit 120 is in the working state, the limiting block limits the movement of the inner unit 120 relative to the casing 110, and when the inner unit 120 is in the unlocking state, the limiting block is removed, and at this time, the inner unit 120 can freely slide relative to the casing 110.
With reference to fig. 7, 8 and 9, in the present embodiment, the inner machine 120 includes a cutter disc 121 for cutting soil, the cutter disc 121 can be switched between a cutting state and a folding state, and an outer diameter of the cutter disc 121 is greater than an inner diameter of the housing 110 in the cutting state and is less than or equal to the inner diameter of the housing 110 in the folding state.
The outer diameter of the cutter head 121 is larger than the inner diameter of the machine shell 110 in a cutting state, so that a tunnel with a larger diameter can be cut, the axial projection of the cutter head 121 can completely shield the machine shell 110, mud generated by cutting of the cutter head 121 is prevented from flowing into the machine shell 110, and normal operation of cutting is guaranteed. The outer diameter of the cutter disc 121, in the collapsed state, being less than or equal to the inner diameter of the housing 110 ensures that the inner unit 120 retracts into the housing 110 without obstruction.
The cutter disc 121 is switched between the folding state and the cutting state through a structure that the cutter disc 121 comprises a disc body 122 and a cutter arm 123 movably connected to the outer edge of the disc body 122, the cutter arm 123 is connected with a driving device, and the cutter arm 123 can move towards the center direction of the disc body 122 under the driving of the driving device until the axial projection of the cutter arm 123 completely falls into the outer contour of the cutter disc 121.
Specifically, in this embodiment, the driving device is a plurality of hydraulic cylinders, one end of each hydraulic cylinder is connected to the cutter arm 123, and the other end of each hydraulic cylinder is connected to the center of the disc 122, and the hydraulic cylinders contract to drive the cutter arms 123 to turn over toward the center of the disc 122.
Of course, the driving device is not limited to the above solution, and in other alternatives, the driving device may be a motor disposed at the hinge of the knife arm 123 and used for driving the knife arm 123 to rotate relative to the tray 122, and the motor rotates to turn the knife arm 123 toward the center of the tray 122 to convert to the folded state. The driving device may also be a telescopic cylinder connecting the knife arm 123 and the disc 122, and the telescopic cylinder drives the knife arm 123 to extend and contract relative to the disc 122 so as to convert into a folding state.
With reference to fig. 1 and fig. 3, the present invention further provides a receiving tunnel 200, the receiving tunnel 200 is provided with a receiving opening 210 and a receiving opening 220 disposed in the receiving opening 210, a gap is left between the receiving opening 220 and the inner wall of the receiving opening 210 to form an annular groove 240, and the annular groove 240 is used for inserting the front end of the casing 110 of the push bench described above. Therefore, the connection channel ejected by the push bench can be butted with the receiving tunnel 200.
In this embodiment, one end of the annular groove 240 close to the inner side of the receiving tunnel 200 is closed, so as to meet the requirement of abutting with the casing 110 and prevent the groundwater from penetrating into the receiving tunnel 200 from the annular groove 240. The waterproof requirement of the receiving tunnel 200 is satisfied.
Specifically, the one-sided closed ring groove 240 is implemented by a structure in which the receiving hole door 220 includes a main body portion having a smaller inner diameter than the receiving hole 210 and a flange disposed on an outer peripheral wall of the main body portion, and a width of the flange is identical to a difference in inner diameters of the main body portion and the receiving hole 210. The flange is disposed at the inner edge of the outer peripheral wall of the main body and is sealed at the gap between the receiving hole gate 220 and the receiving hole 210. Alternatively, the single-sided closed ring groove 240 can also be realized by the following structure: the inner peripheral wall of the receiving opening 210 is provided with a convex edge, and the convex edge is sealed at the gap between the receiving opening 220 and the receiving opening 210.
The present invention also provides a tunnel group, which comprises an originating tunnel 300 and the receiving tunnel 200 described above, wherein the originating tunnel 300 is parallel to the receiving tunnel 200, and the originating tunnel 300 is provided with an originating hole 310 arranged opposite to the receiving hole 210 on the receiving tunnel 200. Push bench can pass out of the origination opening 310 and through the earth into the receiving opening 210, thereby communicating the connecting channels of origination tunnel 300 and receiving tunnel 200.
Specifically, in the present embodiment, the originating tunnel 300 includes an originating pipe section 320, the receiving tunnel 200 includes a receiving pipe section 230, the originating pipe section 320 and the receiving pipe section 230 are disposed correspondingly, the originating hole 310 is disposed on the originating pipe section 320, and the receiving hole 210 is disposed on the receiving pipe section 230. Therefore, the structure modularization can be realized, and the construction is more convenient.
With reference to fig. 4, 5 and 6, in the present embodiment, an originating portal 330 is provided at the originating portal 310. The originating opening 330 can be opened and closed to expose or close the originating opening 310. The originating opening 330 can be used for waterproofing and impervious during the period of the preliminary work.
Specifically, the originating hole door 330 includes two gate plates 331 and a pulling device 222 for controlling the opening of the gate plates 331, wherein the two gate plates 331 are respectively connected to the pulling device 222 located in the originating pipe section 320. The pulling device 222 may be a winch or a telescopic rod, etc., and the pulling device 222 is connected to the gate plate 331 by a cable, thereby pulling the gate plate 331 until the originating hole 310 is exposed.
Preferably, each of the gate plates 331 is formed by splicing two split members, when the starting tunnel door 330 is opened, the gate plates 331 are pulled until the forward projection of one of the split members completely falls on the starting pipe section 320, then the split member projected on the starting pipe section 320 is removed, the cable is connected with the other split member, and the other split member is pulled until the forward projection of the other split member completely falls on the starting pipe section 320, at this time, the starting tunnel 310 is completely exposed, and the pipe push bench can penetrate through the starting tunnel 310 for tunneling.
The split-spliced gate plate 331 can reduce the space occupation of the gate plate 331 after being pulled into the starting pipe section 320, and improve the space utilization rate. And enables a more compact layout of the equipment of the originating portal 330.
As shown in fig. 12, the present invention further provides a method for constructing a connecting channel between tunnels, which is used to establish a connecting channel between the tunnel groups through the pipe pushing jack. The construction method of the communication channel between the tunnels comprises the following steps:
s10, enabling the pipe jacking machine head 100 to be located at the working position 130, penetrating out of the starting hole 310 and jacking towards the receiving hole 210;
s20, when the pipe jacking machine head 100 jacks to a position close to the receiving hole 210, enabling the inner machine 120 of the pipe jacking machine head 100 to be in an unlocking position 140;
s30, the front end of the shell 110 of the pipe jacking machine head 100 is jacked forwards and inserted into a ring groove 240 between the receiving hole 210 and the receiving hole door 220;
s40. Receiving the inner unit 120 located in the cabinet 110.
This scheme can be through the quick connection channel of establishing between two tunnel groups of pipe push bench, compares the mode that current reinforcement soil body was excavated manually and has higher efficiency.
Compare traditional push bench construction scheme, this scheme is through making casing 110 front end push into in the annular groove 240, dismantles interior machine 120 in the casing 110 afterwards, and casing 110 has become a part of tunnel self this moment, has so both practiced thrift the material, has reduced push bench's the recovery degree of difficulty again. The construction efficiency is improved, and meanwhile, the cost is reduced.
In this embodiment, the step of enabling the inner machine 120 of the push bench head 100 to be in the unlocked position 140 specifically includes:
the locking of the inner machine 120 and the jacking pipe is released;
the cutter head 121 of the inner machine 120 is operated to the folding state;
a jack 250 connected with the inner machine 120 is arranged in the pipe section at the rear part of the pipe jacking machine;
the jack 250 pulls the inner machine 120 back until the front end of the jacking pipe exceeds the front end of the inner machine 120.
With such a structure, the accuracy and convenience of operation can be improved.
With reference to fig. 10 and 11, in this embodiment, step S30 further includes: after the front end of the casing 110 is inserted into the ring groove 240, the gap between the casing 110 and the receiving hole 210 is sealed by grouting. Thereby avoiding leakage from the tunnel. Specifically, the grouting step includes burying a grouting pipe in the receiving pipe section 230, wherein one end of the grouting pipe is exposed to the inner wall of the receiving hole door 220, and the other end of the grouting pipe extends into the receiving pipe section 230 and is connected to a grouting machine in the receiving pipe section 230. The grouting machine grouting seals the gap between the casing 110 and the receiving hole 210.
In the present embodiment, step S40 includes: the receiving hole door 220 is disassembled; the inner unit 120 is moved from the receiving hole 210 into the receiving tunnel 200 for receiving. Thereby realizing the penetration of the connecting channel.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes or modifications to these embodiments may be made by those skilled in the art without departing from the principle and spirit of this invention, and these changes and modifications are within the scope of this invention.
Claims (10)
1. The utility model provides a push bench, push bench includes the push bench aircraft nose, the push bench aircraft nose includes the casing and locates interior machine in the casing, its characterized in that: the indoor unit can move between a working position and an unlocking position relative to the machine shell, wherein the indoor unit is fixed with the machine shell at the working position, the front end of the indoor unit exceeds the front end of the machine shell, and the front end of the machine shell exceeds the front end of the indoor unit at the unlocking position.
2. The push bench of claim 1 wherein: the inner machine is detachably connected with the machine shell through a bolt, the inner machine can move relative to the machine shell after the bolt is removed, or an axial guide rail is arranged in the machine shell, the inner machine can slide along the axial guide rail, and the inner machine can realize fixation relative to the machine shell through a limiting block arranged on the axial guide rail.
3. The push bench of claim 1 wherein: the indoor unit comprises a cutter head, the cutter head can be switched between a cutting state and a folding state, the outer diameter of the cutter head is larger than the inner diameter of the casing when the cutter head is in the cutting state, and is smaller than or equal to the inner diameter of the casing when the cutter head is in the folding state.
4. The push bench of claim 3 wherein: the cutter head comprises a disk body and a cutter arm movably connected to the outer edge of the disk body, the cutter arm is connected with a driving device, and the cutter arm can move towards the center direction of the disk body under the driving of the driving device until the axial projection of the cutter arm completely falls into the outer contour of the cutter head.
5. A receive tunnel, characterized by: a receiving hole and a receiving hole door are arranged on the receiving tunnel, a gap is left between the outer wall of the receiving hole door and the inner wall of the receiving hole door to form an annular groove, and the annular groove is used for inserting the front end of the shell of the push bench according to any one of claims 1 to 4;
and/or one end of the annular groove close to the inner side of the receiving tunnel is closed.
6. A tunnel group, characterized by: the tunnel group comprises an originating tunnel and a receiving tunnel according to claim 5, the originating tunnel and the receiving tunnel being parallel, the originating tunnel being provided with an originating aperture arranged opposite to a receiving aperture on the receiving tunnel.
7. The tunnel group of claim 6, wherein: the starting hole is provided with a starting hole door which can be opened and closed to expose or close the starting hole.
8. A construction method of a communication channel between tunnels, which is suitable for the tube push bench of any one of claims 1 to 4 and the tunnel group of claim 6 or 7, and is characterized by comprising the following steps:
s10, enabling the pipe jacking machine head to be in a working position, penetrating out from an originating hole and jacking towards a receiving hole;
s20, when the pipe jacking machine head jacks to a position close to the receiving hole, enabling an inner machine of the pipe jacking machine head to be in an unlocking position;
s30, the front end of a shell of a pipe jacking machine head is jacked forwards and inserted into a ring groove between a receiving hole and a receiving hole door;
and S40, receiving an inner machine positioned in the shell.
9. The method for constructing a communication passage between tunnels according to claim 8, wherein the step S30 further comprises: and after the front end of the shell is inserted into the annular groove, grouting is performed to block a gap between the shell and the receiving hole.
10. The method for constructing a communication passage between tunnels according to claim 8, wherein step S40 comprises:
disassembling the receiving hole door;
and moving the internal machine from the receiving hole into the receiving tunnel for receiving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211146351.4A CN115478868A (en) | 2022-09-20 | 2022-09-20 | Pipe jacking machine, receiving tunnel, tunnel group and construction method of communication channel between tunnels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211146351.4A CN115478868A (en) | 2022-09-20 | 2022-09-20 | Pipe jacking machine, receiving tunnel, tunnel group and construction method of communication channel between tunnels |
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| Publication Number | Publication Date |
|---|---|
| CN115478868A true CN115478868A (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211146351.4A Pending CN115478868A (en) | 2022-09-20 | 2022-09-20 | Pipe jacking machine, receiving tunnel, tunnel group and construction method of communication channel between tunnels |
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| CN (1) | CN115478868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116220708A (en) * | 2023-04-28 | 2023-06-06 | 北京建工土木工程有限公司 | Jacking operation platform and construction method thereof |
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2022
- 2022-09-20 CN CN202211146351.4A patent/CN115478868A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116220708A (en) * | 2023-04-28 | 2023-06-06 | 北京建工土木工程有限公司 | Jacking operation platform and construction method thereof |
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