CN114263469B - TBM or shield tunneling machine rapid jacking system and construction method - Google Patents
TBM or shield tunneling machine rapid jacking system and construction method Download PDFInfo
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- CN114263469B CN114263469B CN202111329597.0A CN202111329597A CN114263469B CN 114263469 B CN114263469 B CN 114263469B CN 202111329597 A CN202111329597 A CN 202111329597A CN 114263469 B CN114263469 B CN 114263469B
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- 238000010276 construction Methods 0.000 title claims abstract description 52
- 230000005641 tunneling Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application relates to the technical field of tunnel underground engineering, in particular to a TBM or shield tunneling machine rapid jacking system and a construction method, comprising a unit concrete guide table arranged at the bottom of a tunnel, wherein a counter-force support is arranged on the unit concrete guide table; still including setting up the jacking device on the shield constructs the machine, jacking device with the counter-force support cooperation is used for promoting the shield constructs the machine and follows unit concrete guide platform removes, stretches out through jacking device and counter-force support butt, the butt reaction force that the counter-force support produced promotes the shield constructs the machine and follows unit concrete guide platform and remove through jacking device to make the shield construct quick construction section under the different operating mode conditions, this device simple structure, convenient operation need not install in the tunnel of mine construction section promptly and remove bracket, receiving frame, also need not assemble the section of jurisdiction in the tunnel bottom, has solved the shield constructs the machine and passes through the mine construction section, need increase the excavation section of mine construction section, the cost is higher, inefficiency's problem.
Description
Technical Field
The application relates to the technical field of tunnel underground engineering, in particular to a TBM or shield tunneling machine rapid jacking system and a construction method.
Background
Along with the continuous rapid development of urban underground engineering, subway engineering, diversion engineering and utility tunnel engineering construction are continuously increased, in the interval construction process, under the condition that different geological sections or single-section designs are overlong in a single-section range, sectional construction is required, two ends are usually adopted to face to the middle part for construction by adopting different construction methods, when one side adopts TBM or shield construction, and the other side adopts mine construction, after the TBM or shield reaches a boundary section with the mine method, an equipment body is required to pass through the mine construction section by adopting an air pushing or jacking mode to reach a disassembly hanging position, and the prior art mainly comprises the following three methods: firstly, conducting guide table construction in a mine section, and after a shield machine enters the guide table, assembling a duct piece at the bottom and then performing complete machine air pushing; secondly, constructing a guide groove at the bottom, carrying by adopting a movable trolley, and passing through a mine construction section; thirdly, a guide rail is arranged at the bottom, a shield machine receiving frame is arranged at the upper part of the guide rail, a rail clamping device or a jacking device is arranged on the guide rail, the shield machine is jacked into a mine section, a large number of air pushing segments are needed to be input by adopting a first method, the input cost is high, and meanwhile, the construction progress efficiency is low; the second and third method are adopted, the movable brackets and the receiving frames are required to be installed in the tunnel, the requirement on the size of the section of the mining method is high, the section excavation of the mining method is required to be enlarged, the cost is increased due to the enlarged section excavation, meanwhile, the progress efficiency of the shield machine passing through the mine construction section is low, the influence on the construction period is large, and aiming at the situation, a technical method is required, the shield machine can rapidly pass through the mine construction section, the excavation section of the mine construction section can be reduced, and the cost is reduced.
Disclosure of Invention
The application aims at: aiming at the problems that a shield machine passes through a mine construction section and the excavation section of the mine construction section needs to be enlarged and the cost is high, the rapid jacking system and the construction method of the TBM or the shield machine are provided.
In order to achieve the above purpose, the application adopts the following technical scheme:
a TBM or shield constructs quick jacking system, including setting up in the concrete of the tunnel bottom and leading the platform, the said concrete is led and is equipped with the counter-force support; the device is matched with the counter-force support and used for pushing the shield machine to move along the outlet end of the concrete guide table.
The shield machine enters the mine construction section from the shield construction section, the concrete guide table is arranged at the bottom of a tunnel of the mine construction section and has the function of supporting the movement of the shield machine, the jacking device is arranged on the shield machine, the shield machine is pushed by the abutting reaction force generated by the counter force support through the jacking device, the shield machine can be pushed to rapidly move on the concrete guide table, so that the shield machine rapidly moves along the outlet end of the concrete guide table.
Preferably, the concrete guide table comprises a group of symmetrical unit concrete guide tables, and each unit concrete guide table is provided with a guide rail used for supporting the shield machine. The unit concrete guide tables which are symmetrically arranged have the function of keeping balance of the shield machine, the unit concrete guide tables have strong supporting force, and the guide rails arranged on the unit concrete guide tables are beneficial to the shield machine to slide on the unit concrete guide tables and the shield machine to quickly pass through the mine construction section.
Preferably, embedded parts are arranged in each unit concrete guide table, and the guide rails are arranged on the unit concrete guide tables through the embedded parts. The embedded part has the function of enhancing the bearing capacity of the guide rail, and is beneficial to improving the bearing stability of the guide rail.
Preferably, each unit concrete guide table is provided with a plurality of counterforce supports, the jacking devices are symmetrically arranged on two sides of the shield tunneling machine, and the jacking devices can be abutted to the corresponding counterforce supports. And the jacking devices are symmetrically arranged on two sides of the shield tunneling machine and synchronously abut against the counter-force support, so that the shield tunneling machine can be integrally pushed to move rapidly.
Preferably, each counterforce support comprises a sleeve, a supporting piece can be arranged in the sleeve, and the supporting piece is abutted with the jacking device to provide counterforce for pushing the shield machine to move. The jacking device stretches out to be abutted with the supporting piece, and generates a reaction force for driving the shield machine to move along the guide rail so as to push the shield machine to move to the next sleeve position.
Preferably, the sleeves are equidistantly arranged along the extending direction of the unit concrete guide table.
Preferably, the protruding end of the jacking device is a U-shaped clamping head, and the supporting piece is a rod-shaped structural piece. The U-shaped clamping head of the jacking device has good surface contact with the rod-shaped structural support piece, so that the contact surface slipping can be effectively avoided when the jacking device is abutted against the support piece, and the effect of pushing the shield machine to move is affected.
Preferably, the jacking device is a hydraulic cylinder.
A TBM or shield constructs the quick construction method through the tunnel of the mining method, step 1) pour the unit concrete and lead the platform in the tunnel bottom, set up embedded part and several embedded sleeves separately in the unit concrete and lead the platform, install the guide rail on the embedded part;
step 2), respectively arranging jacking devices at two sides of the shield machine, and arranging a conduction support connected with the shield machine at the fixed end of the jacking device;
step 3) arranging a supporting piece in the sleeve close to the jacking device, wherein the jacking device extends out to be abutted with the supporting piece to push the shield machine to move,
and 4) repeating the step 3) until the shield machine moves to the receiving and disassembling platform.
After the shield machine is in a tunnel, before the tunnel passes through a mine construction section, a unit concrete guide table is poured at the bottom of the tunnel at the mine construction section, an embedded part and an embedded sleeve are respectively arranged in the unit concrete guide table, guide rails are arranged on the embedded part, jacking devices are respectively arranged at positions, opposite to the sleeves, on two sides of the shield machine in a synchronous manner, after each item is ready for working, the shield machine starts to jack up and pass through the mine construction section, a steel bar inserted into the embedded sleeve is used as a counterforce supporting point to enable the shield machine to move forward, and accordingly the shield machine is quickly jacked up and pass through the mine construction section, and then the shield machine is disassembled and lifted out.
Compared with the prior art, the application has the advantages that: according to the TBM or the rapid jacking system of the shield machine and the construction method, the shield machine enters the mine construction section from the shield construction section, the concrete guide table is arranged at the bottom of the tunnel of the mine construction section and has the function of supporting the shield machine to move, the jacking device is arranged on the shield machine and extends out to be abutted with the counter-force support, the abutment counter-force generated by the counter-force support pushes the shield machine through the jacking device, and the shield machine can be pushed to rapidly move on the concrete guide table, so that the shield machine rapidly moves along the outlet end of the concrete guide table.
After the shield machine is in a tunnel, before a mine construction section, a unit concrete guide table is poured at the bottom of the tunnel, an embedded part and an embedded sleeve are respectively arranged in the unit concrete guide table, guide rails are arranged on the embedded part, jacking devices are respectively arranged at positions, opposite to the sleeves, on two sides of the shield machine synchronously, after each item of equipment is ready, the shield machine starts to jack in and passes through the mine construction section, a steel rod inserted into the embedded sleeve is stretched out by the jacking devices to serve as a counter-force supporting point so as to enable the shield machine to move forward, and accordingly the shield machine is quickly jacked in and passes through the mine construction section, and then shield machine disassembly and lifting work are carried out.
The other embodiments of the application have the beneficial effects that:
1. the unit concrete guide tables which are symmetrically arranged have the function of keeping balance of the shield machine, the unit concrete guide tables have strong supporting force, and the guide rails arranged on the unit concrete guide tables are beneficial to the shield machine to slide on the unit concrete guide tables and the shield machine to quickly pass through the mine construction section.
2. The embedded part has the function of enhancing the bearing capacity of the guide rail, and is beneficial to improving the bearing stability of the guide rail.
3. And the jacking devices are symmetrically arranged on two sides of the shield tunneling machine and synchronously abut against the counter-force support, so that the shield tunneling machine can be integrally pushed to move rapidly.
4. The U-shaped clamping head of the jacking device has good surface contact with the rod-shaped structural support piece, so that the contact surface slipping can be effectively avoided when the jacking device is abutted against the support piece, and the effect of pushing the shield machine to move is affected.
Drawings
FIG. 1 is a schematic diagram of a TBM or shield tunneling machine fast jacking system according to the present application.
Fig. 2 is a schematic side view of a TBM or shield tunneling machine fast jacking system according to the present application.
Reference numerals
The device comprises a 1-jacking device, a 2-shield machine, a 3-unit concrete guide table, a 4-guide rail, a 5-embedded part, a 6-sleeve, a 7-supporting part, an 8-conduction support, a 9-primary support and a 10-lining.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Example 1
As shown in fig. 1 and 2, in the present embodiment, a primary support 9 and a lining 10 are sequentially disposed in a tunnel of a mine construction section from outside to inside, a concrete guide table 3 is installed at the bottom of the tunnel through the lining 10, the concrete guide table includes a set of symmetrical unit concrete guide tables 3, each unit concrete guide table 3 is provided with a guide rail 4, the guide rails 4 are used for supporting the shield machine 2, each unit concrete guide table 3 is provided with a counter-force support, the counter-force support includes a plurality of sleeves 6, the sleeves 6 are equidistantly arranged along the extending direction of the unit concrete guide table 3, a supporting member 7 is disposed in the sleeves 6, a jacking device 1 on the shield machine 2 is a hydraulic cylinder, the hydraulic cylinder extends out to be abutted against the supporting member 7 to provide a reaction force for pushing the shield machine 2, and the shield machine 2 is driven to move along the unit concrete guide tables 3.
After the shield machine 2 is in a tunnel, before a mine construction section, a unit concrete guide table 3 is poured at the bottom of the tunnel, an embedded part 5 and an embedded sleeve 6 are respectively arranged in the unit concrete guide table 3, a guide rail 4 is arranged on the embedded part 5, a support part 7 is arranged in the embedded sleeve 6, hydraulic cylinders are respectively arranged at positions which can be opposite to the support part 7 on two sides of the shield machine 2 synchronously, after each item of preparation work is ready, the shield machine 2 starts to jack in and passes through the mine construction section, a telescopic rod of the hydraulic cylinders is used for extending and abutting against the support part 7 inserted into the embedded sleeve 6, the support part 7 serves as a counter-force supporting point to enable the shield machine 2 to move forward, and then the shield machine 2 is quickly jacked in and passes through the mine construction section.
The unit concrete guide table 3 that the symmetry set up has the effect that keeps supporting shield machine 2 balanced, and unit concrete guide table 3 has stronger holding power, sets up guide rail 4 on unit concrete guide table 3 and is favorable to shield machine 2 to slide on unit concrete guide table 3, is favorable to shield machine 2 to pass through the mine construction section fast, every all be equipped with built-in fitting 5 in the unit concrete guide table 3, guide rail 4 set up in through built-in fitting 5 on the unit concrete guide table 3, built-in fitting 5 has the effect of reinforcing guide rail 4 bearing capacity, is favorable to improving the stability that guide rail 4 born.
Every all be equipped with counter-force support on the unit concrete guide table 3, the bilateral symmetry of shield machine 2 is equipped with jacking device 1, jacking device 1 can with corresponding counter-force support butt, through setting up jacking device 1 in the bilateral symmetry of shield machine 2, through jacking device 1 synchronous butt counter-force support, be favorable to wholly advancing shield machine 2 fast movement, still be equipped with conduction support 8 on the shield machine 2, jacking device 1 stiff end with conduction support 8 is connected, and the effort of jacking device 1 production is transmitted to shield machine 2 through conduction support 8, is favorable to improving the homogeneity of shield machine 2 atress.
The end that stretches out of jacking device 1 is "U" shape dop, support piece 7 is bar-shaped structure spare, and the surface contactability of "U" shape dop of jacking device 1 and bar-shaped structure support piece 7 is good, can effectively avoid jacking device 1 butt support piece 7 when, the surface of contact skids, influences the effect that promotes shield machine 2 to remove.
The above embodiments are only for illustrating the present application and not for limiting the technical solutions described in the present application, and although the present application has been described in detail in the present specification with reference to the above embodiments, the present application is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present application; all technical solutions and modifications thereof that do not depart from the spirit and scope of the application are intended to be covered by the scope of the appended claims.
Claims (3)
1. A construction method of a TBM or a shield tunneling machine is characterized by comprising the following steps:
the construction method is completed by using a TBM or a rapid jacking system of the shield tunneling machine, wherein the jacking system comprises a concrete guide table arranged at the bottom of a tunnel, and a counter-force support is arranged on the concrete guide table; the device also comprises a jacking device (1) arranged on the shield machine, wherein the jacking device (1) is matched with the counter-force support and used for pushing the shield machine (2) to move along the outlet end of the concrete guide table; the concrete guide table comprises a group of symmetrical unit concrete guide tables (3), each unit concrete guide table (3) is provided with a guide rail (4), and the guide rails (4) are used for supporting the shield machine (2); each unit concrete guide table (3) is provided with a plurality of counterforce supports, the jacking devices (1) are symmetrically arranged on two sides of the shield tunneling machine (2), and the jacking devices (1) can be abutted with the corresponding counterforce supports; each counterforce support comprises a sleeve (6), a supporting piece (7) can be arranged in the sleeve (6), and the sleeve is abutted with the jacking device (1) through the supporting piece (7) and used for providing counterforce for pushing the shield machine (2) to move; the sleeves (6) are equidistantly arranged along the extending direction of the unit concrete guide table (3); the extending end of the jacking device (1) is a U-shaped clamping head, and the supporting piece (7) is a rod-shaped structural piece;
the construction method comprises the following steps:
step 1), pouring a unit concrete guide table (3) at the bottom of a tunnel, respectively arranging an embedded part (5) and a plurality of embedded sleeves (6) in the unit concrete guide table (3), and installing a guide rail (4) on the embedded part (5);
step 2), respectively arranging jacking devices (1) on two sides of the shield machine (2), and arranging a conduction support (8) connected with the shield machine (2) at the fixed end of the jacking device (1);
step 3), arranging a supporting piece (7) in a sleeve (6) close to the jacking device (1), enabling the jacking device (1) to extend out to be in butt joint with the supporting piece (7), enabling the shield machine to move forwards by using the supporting piece (7) inserted into the embedded sleeve, extending out of the jacking device, as a counter-force supporting point, and pushing the shield machine (2) to move;
and 4) repeating the step 3) until the shield machine (2) moves to a receiving and disassembling platform.
2. The method for constructing the TBM or the shield tunneling machine according to claim 1, wherein the method comprises the following steps: each unit concrete guide table (3) is internally provided with an embedded part (5), and the guide rail (4) is installed on the unit concrete guide table (3) through the embedded part (5).
3. The construction method of the TBM or the shield machine according to claim 1 or 2, characterized in that: the jacking device (1) is a hydraulic cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111329597.0A CN114263469B (en) | 2021-11-10 | 2021-11-10 | TBM or shield tunneling machine rapid jacking system and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111329597.0A CN114263469B (en) | 2021-11-10 | 2021-11-10 | TBM or shield tunneling machine rapid jacking system and construction method |
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| Publication Number | Publication Date |
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| CN114263469A CN114263469A (en) | 2022-04-01 |
| CN114263469B true CN114263469B (en) | 2023-11-14 |
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| CN114263469A (en) | 2022-04-01 |
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