CN112267895A - Pipe-jacking tunneling machine - Google Patents
Pipe-jacking tunneling machine Download PDFInfo
- Publication number
- CN112267895A CN112267895A CN202011343275.7A CN202011343275A CN112267895A CN 112267895 A CN112267895 A CN 112267895A CN 202011343275 A CN202011343275 A CN 202011343275A CN 112267895 A CN112267895 A CN 112267895A
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- Prior art keywords
- section bin
- bin
- front section
- rotary
- soil
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- 230000005641 tunneling Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims description 57
- 238000007789 sealing Methods 0.000 claims description 22
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000011211 glass fiber reinforced concrete Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—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
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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
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a pipe-jacking tunneling machine. The main power system part comprises a main power motor, a speed reducer and a transmission shaft, the earthwork cutting part comprises a rotary cutter head, the earthwork conveying part comprises an auxiliary power motor and a muck conveying belt, the shell protection component comprises a front section bin and a rear section bin, and the direction correcting system part is a connection control mechanism which is connected with the front section bin and the rear section bin and can adjust the deflection angle of the front section bin and the rear section bin; be equipped with the piece in anterior segment storehouse front portion and seal up the native baffle with anterior segment storehouse confined, be fixed with the round in front of the native baffle and separate native drum, rotatory blade disc includes 4 to 6 evenly divided rotary cantilever, evenly has laid in every rotary cantilever front portion with the positive vertically cutting tool bit of rotary cantilever, can dismantle at the rotary cantilever tip and be fixed with the combination blade that digs, the combination blade that digs comprises the shovel form blade that is square slice and the horn shape blade of fixing at shovel form blade inboard. The invention reduces the manpower intensity and the danger in the manual pipe jacking and has high speed.
Description
Technical Field
The invention relates to equipment capable of saving a large amount of manual labor intensity by a trenchless tunneling pipe jacking device, in particular to a pipe jacking tunneling machine.
Technical Field
The pipe jacking technology is widely applied to pipeline laying in areas which are inconvenient to excavate, such as drainage, water supply, electric power, communication, fuel gas, heat and the like, and the municipal engineering is involved. The technology can be a trenchless tunneling technology without damage to ground buildings and accessories.
The common pipe jacking technology at present is a method of manual earth excavation and mud-water and earth pressure balance to carry out pipe jacking. The manual pipe jacking and soil digging are high in labor intensity and low in speed. The mud-water balance pipe jacking technology adopts a mode of stirring water and soil into slurry for soil excavation. The technical slurry is difficult to treat and has high cost, a large amount of water resources are needed, and a slurry tank occupies a large space. The earth pressure balance pipe jacking technology is used for earth excavation. This technique requires high power and relatively slow jacking speed.
Disclosure of Invention
The invention aims to provide a pipe-jacking tunneling machine, which fills the technical blank between the manual earth-digging pipe jacking and the muddy water and soil pressure balance pipe jacking in China. The invention adopts machinery to drive the cutter head to dig the soil, and the conveyor belt digs the soil. The technology greatly reduces the labor intensity and the danger in the manual pipe jacking and has high speed. The problems that a large amount of water resources are needed and the occupied space is large in the muddy water balance jacking pipe are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a pipe-jacking tunneling machine which comprises a main power system part, an earthwork cutting part, an earthwork conveying part, a direction correcting system part and a shell protection component part, wherein the main power system part is connected with the earthwork cutting part through a pipeline; the main power system part comprises a main power motor, a speed reducer and a transmission shaft, the earthwork cutting part comprises a rotary cutter head, the earthwork conveying part comprises an auxiliary power motor and a muck conveying belt, the shell protection component comprises a front section bin and a rear section bin, and the direction correcting system part is a connection control mechanism which is connected with the front section bin and the rear section bin and can adjust the deflection angle of the front section bin and the rear section bin;
a soil sealing baffle plate for sealing the front section bin is arranged at the front part of the front section bin, a circle of soil separating cylinder is fixed in front of the soil sealing baffle plate, the front end port of the soil separating cylinder is flush with the end port of the front section bin, a circle of annular bin is formed between the soil separating cylinder and the front section bin, and an upper soil leakage opening and a lower soil leakage opening are respectively arranged at the upper part and the lower part of the soil separating cylinder in the direction vertical to the ground;
the rotary cutter head is assembled at the front end of the front section bin, the inner side of the rotary cutter head is tightly attached to the port of the front section bin, the rotary cutter head is connected with the main power motor through the transmission shaft and the speed reducer, the speed reducer and the main power motor are arranged behind the soil sealing baffle and fixed on a support arranged in the front section bin, a circular pipe for protecting the transmission shaft is arranged between the transmission shaft of the rotary cutter head and the speed reducer, and the circular pipe penetrates through an opening in the center of the soil sealing baffle;
the upper part of the soil sealing baffle plate, which is positioned below the cylinder and is opposite to the upper soil leakage opening on the cylinder, is provided with a square opening, the conveyor belt passes through the square opening and directly abuts against the rear side of the rotary cutter head, and the auxiliary power motor and the conveyor belt for driving the conveyor belt are fixed on a support platform which is positioned at the upper part of the front section bin and is fixed on the front section bin;
the rotary cutter head comprises 4 to 6 rotary cantilevers which are uniformly separated, the inner sides of the rotary cantilevers are tightly attached to the end ports of the front section bin, the end parts of the rotary cantilevers are directly abutted to the outer wall of the front section bin, cutting cutter heads which are perpendicular to the front surface of each rotary cantilever are uniformly arranged on the front surface of each rotary cantilever from outside to inside at intervals, an excavating combined blade is detachably fixed at the end part of each rotary cantilever, the excavating combined blade consists of a shovel-shaped blade which is in a square sheet shape and parallel to the rotary surface of the rotary cutter head and an angular blade which is fixed on the inner side of the shovel-shaped blade and perpendicular to the shovel-shaped blade, and the height of the shovel-shaped blade; the horn-shaped blade extends into the end part of the annular bin and directly abuts against the soil sealing baffle.
Furthermore, the direction correcting system part is a hydraulic control system structure connected with the front section bin and the rear section bin, and comprises eight hydraulic cylinders, wherein the front section bin and the rear section bin are connected by the hydraulic cylinders and are respectively arranged in four directions of upper left, lower left, upper right and lower right, two hydraulic cylinders are arranged at each position, and the eight hydraulic cylinders are adopted to adjust the deflection angles of the front section and the rear section of the heading machine so as to finally realize the adjustment of the jacking direction.
The working principle of the invention is as follows: when the soil cutting machine works, the main power component adopts the output power of the motor to drive the cutter head, and when the cutter head cuts soil, the soil cut off is dug and conveyed to the upper surface of the conveyor belt by the soil scraping combined blades on the cutter head, and then the soil is conveyed to the outside by the conveyor belt.
In the jacking process, the jacking direction is inevitably deviated from the design direction, and the deviation correcting system corrects the problem of wrong jacking direction. When the direction is corrected, the deflection angles of the front section and the rear section of the heading machine are adjusted by adopting the eight hydraulic oil cylinders, and finally the jacking direction is adjusted.
The invention has the beneficial effects that: the rotary cutter head is matched with the structural design of the front part of the front section bin, so that the jacking excavation can be conveniently and rapidly completed, and excavated earth and stones can be conveyed to the outside; the method completely avoids various defects of the existing pipe jacking excavation technology, not only can the excavated earth and the stone can be transported away in time, but also a large amount of slurry which is difficult to treat is not brought to the periphery like mud and water jacking excavation equipment, and the defect of wasting a large amount of resources is not generated; nor is it limited by the pressure of the transported earth and rock as is the case with earth pressure balanced jacking excavation equipment. The apparatus of the invention is capable of transporting larger rocks during transport, unlike prior art apparatus which are only manually handled. The manufacturing cost of the invention is far lower than the manufacturing cost of the existing muddy water and soil pressure balance jacking and excavating equipment.
The advantages of the invention can be summarized as follows: 1. reduce the labor intensity of workers and workers. 2. And the construction progress of the jacking pipe is improved. 3. And the construction quality of the jacking pipe and safety guarantee measures are ensured.
The application range of the invention is as follows: the pipe diameter is more than 1 meter, and the pipe is suitable for glass fiber reinforced plastic, concrete and steel pipe jacking pipes.
Drawings
Fig. 1 is a schematic sectional structure diagram of a pipe-jacking tunneling machine according to an embodiment of the invention.
Fig. 2 is a right side view of the embodiment of the pipe-jacking tunneling machine of the invention shown in fig. 1.
Fig. 3 is a left side view of the embodiment of the pipe-jacking tunneling machine of the invention shown in fig. 1.
1 rotating cutter head 2 rear section bin 3 muck conveyer belt 4 front section bin 5 hydraulic cylinder 6 power cabinet 7 start cabinet 8 main power system 9 hydraulic pump station 10 auxiliary power motor 11 soil sealing baffle 12 soil separating cylinder 13 annular bin 1-1 cutting cutter head 1-2 digging combined blade 1-3 rotating cantilever.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The structure and the working principle of the equipment of the invention are explained in detail by combining the attached drawings: as shown in the attached drawing, the equipment has the structure that the front section bin 4 and the rear section bin 2 in the drawing form a shell protection part, all operations of workers are carried out in the protection part, and the harm to the workers caused by the collapse of earthwork is greatly reduced.
In the figure, a power cabinet 6 and a starting cabinet 7 are electric power systems of equipment, are arranged in the rear-section bin 2, and all electric power is output by the power cabinet and the starting cabinet.
The earth moving part shown in the figure comprises an auxiliary power motor 10 and a conveyor belt 3.
The rotary cutter 1 is shown as an earth cutting portion. Mainly bears the cutting of earthwork, a main power system 8 drives a rotary cutter disc 1 to rotate, and a cutting cutter head 1-1 on the rotary cutter disc 1 cuts the soil. The cut-off muck is transported by the combined earth-moving blades 1-2 shown in figure 1 to a muck conveyor 3. The dregs conveyed by the cutter head combined blades 1-2 are conveyed out by a dregs conveying belt 3 of an earthwork conveying part in the figure, are directly conveyed to a trolley and are manually pushed out.
In the jacking process of the jacking pipe, the jacking direction needs to be observed at any time and is consistent with the design. In the jacking process, if the direction is deviated, the deviation is corrected by a direction deviation correcting system, and the direction deviation correcting system shown in figure 1 is a hydraulic control system and comprises a hydraulic pump 9 station and a hydraulic oil cylinder 5. The front section bin 4 and the rear section bin 2 are connected by hydraulic oil cylinders 5 in a deviation rectifying system, the number of the hydraulic oil cylinders 5 is eight, the hydraulic oil cylinders are arranged in four directions of upper left, upper right, lower left and lower right in the equipment respectively, and two hydraulic oil cylinders 5 are arranged at each position. When the direction is corrected, the hydraulic pump station 9 drives the hydraulic oil cylinders 5, and the telescopic length of each oil cylinder is adjusted to form an included angle between the front section bin and the rear section bin, so that the direction is corrected.
The invention relates to a pipe-jacking tunneling machine, which is shown in attached figures 1, 2 and 3 and comprises a main power system part, an earthwork cutting part, an earthwork conveying part, a direction correcting system part and a shell protection component part; the main power system 8 part includes main power motor, speed reducer and transmission shaft, and the earthwork cutting part is rotatory blade disc 1, and the earthwork conveying part includes vice power motor 10 and dregs conveyer belt 3, and the shell protection component includes anterior segment storehouse 4 and back end storehouse 2, and the direction is corrected the connection control mechanism that the system part was connected anterior segment storehouse 4 and back end storehouse 2 and can be adjusted front and back end storehouse declination. The connection control mechanism is a hydraulic control system and comprises a hydraulic pump 9 station and hydraulic oil cylinders 5, the hydraulic oil cylinders 5 are arranged in eight modes to connect the front section bin 4 with the rear section bin 2, the eight hydraulic oil cylinders 5 are respectively arranged in four directions of upper left, upper right, lower left and lower right in the equipment, and two hydraulic oil cylinders are arranged at each position.
The front part of the front section bin is provided with a soil sealing baffle plate 11 for sealing the front section bin, the front surface of the soil sealing baffle plate 11 is fixed with a circle of soil separating cylinder 12, the front end port of the soil separating cylinder 12 is parallel and level with the end port of the front section bin 4, a circle of annular bin 13 is formed between the soil separating cylinder 12 and the front section bin 4, and the upper and lower soil leaking openings are respectively arranged above and below the soil separating cylinder 12 and in the direction perpendicular to the ground.
The upper part of the soil sealing baffle plate 11 is positioned below the soil separating cylinder 12 and is provided with a square opening facing an upper soil leakage opening on the soil separating cylinder 12, the conveyor belt 3 passes through the square opening and directly abuts against the rear side of the rotary cutter head 1, and the auxiliary power motor 10 for driving the conveyor belt 3 and the conveyor belt 3 are fixed on a support platform positioned at the upper part of the front section bin 4 and fixed on the front section bin 4.
The rotary cutter head comprises rotary cantilevers 1-3, 4-6 rotary cantilevers 1-3 are arranged to be evenly separated, the inner sides of the rotary cantilevers 1-3 are tightly attached to the end opening of a front section bin 4, the end parts of the rotary cantilevers 1-3 are directly abutted to the outer wall of the front section bin 4, cutting tool bits 1-1 perpendicular to the front side of each rotary cantilever 1-3 are evenly arranged on the front side of each rotary cantilever from outside to inside at intervals, soil digging combined blades 1-2 are detachably fixed at the end parts of the rotary cantilevers 1-3, each soil digging combined blade 1-2 comprises a shovel-shaped blade which is in a square sheet shape and parallel to the rotary surface of the rotary cutter head 1 and a horn-shaped blade which is fixed on the inner side of the shovel-shaped blade and perpendicular to the shovel-shaped blade, and the height of the shovel-; the horn-shaped blade extends into the annular bin 13, and the front end of the horn-shaped blade is attached to the soil separating and sealing baffle 11.
Claims (2)
1. A pipe-jacking tunneling machine is characterized in that: the pipe-jacking tunneling machine comprises a main power system part, an earthwork cutting part, an earthwork conveying part, a direction correcting system part and a shell protection component part; the main power system part comprises a main power motor, a speed reducer and a transmission shaft, the earthwork cutting part comprises a rotary cutter disc, the earthwork conveying part comprises an auxiliary power motor and a muck conveying belt, the shell protection component part comprises a front section bin and a rear section bin, the direction correcting system part is a connection control mechanism which is connected with the front section bin and the rear section bin and can adjust the deflection angle of the front section bin and the rear section bin, and the front section bin and the rear section bin are cylindrical;
a soil sealing baffle plate for sealing the front section bin is arranged at the front part of the front section bin, a circle of soil separating cylinder is fixed in front of the soil sealing baffle plate according to the circle center, the front end port of the soil separating cylinder is flush with the front end port of the front section bin, a circle of annular bin is formed between the soil separating cylinder and the front section bin, and an upper soil leakage opening and a lower soil leakage opening are respectively arranged at the upper part and the lower part of the soil separating cylinder in the direction vertical to the ground;
the rotary cutter head is assembled at the front end of the front section bin, the inner side of the rotary cutter head is tightly attached to the front end port of the front section bin, the rotary cutter head is connected with the main power motor through the transmission shaft and the speed reducer, the speed reducer and the main power motor are arranged behind the soil sealing baffle and fixed on a support arranged in the front section bin, a circular pipe for protecting the transmission shaft is arranged between the transmission shaft of the rotary cutter head and the speed reducer, and the circular pipe penetrates through an opening in the center of the soil sealing;
the upper part of the soil sealing baffle plate, which is positioned below the cylinder and is opposite to the upper soil leakage opening on the cylinder, is provided with a square opening, the conveyor belt passes through the square opening and directly abuts against the rear side of the rotary cutter head, and the auxiliary power motor and the conveyor belt for driving the conveyor belt are fixed on a support platform which is positioned at the upper part of the front section bin and is fixed on the front section bin;
the rotary cutter head comprises 4 to 6 rotary cantilevers which are uniformly separated, the inner sides of the rotary cantilevers are tightly attached to the end ports of the front section bin, the end parts of the rotary cantilevers are directly abutted to the outer wall of the front section bin, cutting cutter heads which are perpendicular to the front surface of each rotary cantilever are uniformly arranged on the front surface of each rotary cantilever from outside to inside at intervals, an excavating combined blade is detachably fixed at the end part of each rotary cantilever, the excavating combined blade consists of a shovel-shaped blade which is in a square sheet shape and parallel to the rotary surface of the rotary cutter head and an angular blade which is fixed on the inner side of the shovel-shaped blade and perpendicular to the shovel-shaped blade, and the height of the shovel-shaped blade; the horn-shaped blade extends into the end part of the annular bin and directly abuts against the soil sealing baffle.
2. A pipe-jacking tunneling machine according to claim 1, characterized in that: the direction correcting system part is a hydraulic control system connected with the front section bin and the rear section bin, and comprises eight hydraulic cylinders and hydraulic oil cylinders, wherein the hydraulic oil cylinders connect the front section bin and the rear section bin and are respectively arranged in four directions of upper left, lower left, upper right and lower right, two hydraulic oil cylinders are arranged at each position, and the eight hydraulic oil cylinders are adopted to adjust the deflection angles of the front section and the rear section of the heading machine so as to finally realize the adjustment of the jacking direction; the hydraulic pump station is fixed in the rear section bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011343275.7A CN112267895A (en) | 2020-11-26 | 2020-11-26 | Pipe-jacking tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011343275.7A CN112267895A (en) | 2020-11-26 | 2020-11-26 | Pipe-jacking tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112267895A true CN112267895A (en) | 2021-01-26 |
Family
ID=74339637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011343275.7A Withdrawn CN112267895A (en) | 2020-11-26 | 2020-11-26 | Pipe-jacking tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112267895A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944470A (en) * | 2021-10-18 | 2022-01-18 | 中国一冶集团有限公司 | Large-scale conveyer for push pipe |
-
2020
- 2020-11-26 CN CN202011343275.7A patent/CN112267895A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944470A (en) * | 2021-10-18 | 2022-01-18 | 中国一冶集团有限公司 | Large-scale conveyer for push pipe |
| CN113944470B (en) * | 2021-10-18 | 2023-05-16 | 中国一冶集团有限公司 | Large-scale conveyer for push pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210126 |