CN211081864U - Tunneling equipment - Google Patents
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- CN211081864U CN211081864U CN201922237205.2U CN201922237205U CN211081864U CN 211081864 U CN211081864 U CN 211081864U CN 201922237205 U CN201922237205 U CN 201922237205U CN 211081864 U CN211081864 U CN 211081864U
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Abstract
The utility model provides a heading equipment, this heading equipment includes: a body; the segment erector is arranged on the body; the operation control device is connected to the propulsion oil cylinder and the segment erector; the operation control device is used for controlling the plurality of propulsion oil cylinders to propel the body to tunnel and simultaneously controlling the plurality of partial oil cylinders in the propulsion oil cylinders to contract, so that a segment assembling space is formed for the segment assembling machine to assemble segments in the segment assembling space. When partial propulsion cylinders shrink to be supplied to the segment erector to assemble segments, other unshrinked propulsion cylinders still push the body to continuously tunnel without stopping the body, so that the tunneling and the segment assembling are carried out synchronously, the tunneling efficiency is greatly improved, and the construction period of underground construction can be obviously shortened.
Description
Technical Field
The utility model relates to a tunnelling construction field particularly, relates to a heading equipment.
Background
With the increasing development of urban construction, the requirements on construction quality and construction period are higher and higher. At present, the development of urban underground space is mainly based on a shield method, and is also the most mainstream construction method for underground engineering construction in China. The shield construction method is a construction method for performing tunnel excavation, lining and other operations by utilizing tunneling equipment, tunneling and segment assembly are sequentially and alternately performed in the construction process of a traditional shield machine, the tunneling equipment is stopped after tunneling for a certain distance, segment assembly is performed, the stopping and assembling time is longer in the whole tunneling time, the tunneling working efficiency is limited, and the construction period is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, according to the utility model provides a heading equipment, include: a body; one end of each of the plurality of propulsion oil cylinders is connected to the body, and the segment erector is arranged on the body; the operation control device is connected with the propulsion oil cylinder and the segment erector; the operation control device is used for controlling the plurality of propulsion oil cylinders to propel the body to tunnel and controlling partial oil cylinders in the plurality of propulsion oil cylinders to contract simultaneously, so that a segment assembling space is formed for the segment assembling machine to assemble segments in the segment assembling space.
The utility model discloses a heading equipment passes through the body, a plurality of thrust cylinder, segment erector and operation control device's setting, operation control device connects in thrust cylinder and segment erector, a plurality of thrust cylinder of operation control device control promote the body and tunnel in the course of the work, when tunneling distance is greater than certain predetermined distance and satisfies segment assembly condition or segment erector need carry out the segment and assemble, the space is assembled with the formation segment to the shrink of part thrust cylinder among a plurality of thrust cylinder, supply segment erector to assemble the segment in the space is assembled to the segment, other non-shrink thrust cylinder still promotes the body and lasts the tunnelling body at this in-process, it shuts down to need not the body. Through the utility model discloses a tunnelling is assembled with the section of jurisdiction and is gone on in step, has improved tunnelling efficiency greatly, can show the time limit for a project that shortens underground construction.
In addition, according to the utility model provides an among the above-mentioned technical scheme's the heading equipment can also have following additional technical characteristics:
in the above technical solution, further, the body includes: a housing; the anterior shield is arranged in the shell; the sealing tail shield is arranged on the inner side of the shell and movably connected to the shell, and the length of the sealing tail shield is greater than the sum of the stroke of the propulsion oil cylinder and the width of the segment to be assembled; wherein, a plurality of propulsion cylinder are connected in the anterior shield, set up in the shell.
In the technical scheme, a front shield, a propulsion oil cylinder and a sealing tail shield are arranged on the inner side of a shell, so that falling sand and stones in the tunneling process are prevented from falling into the tunneling equipment to damage the tunneling equipment, the front shield is pushed by the propulsion oil cylinder to tunnel in the working process, the sealing tail shield is arranged on the inner side of the shell, a sealing element is arranged on the inner side of the sealing tail shield and is positioned between a duct piece and the sealing tail shield, the sealing tail shield and the sealing element prevent cement mortar poured into a gap between a tunnel and a duct piece wall from entering the tunneling equipment in the duct piece assembling process, and after the whole duct piece is assembled, the whole duct piece is separated from the sealing tail shield to ensure the normal use of the tunneling equipment and prolong the service life of the tunneling equipment.
In any of the above technical solutions, further, the method further includes: and the sealing element is arranged on the inner side of the sealing tail shield.
In the technical scheme, the sealing element is arranged on the inner side of the sealing tail shield and is positioned between the duct piece and the sealing tail shield during working, cement mortar poured into a gap between a tunnel and a duct piece wall is prevented from entering the tunneling equipment, normal use of the tunneling equipment is ensured, and the service life of the tunneling equipment is prolonged.
In any of the above technical solutions, further, the stroke of the thrust cylinder is 2000mm to 3800 mm.
In the technical scheme, the stroke of the propulsion oil cylinder is further provided, and the propulsion oil cylinder can be ensured to continue to extend to provide thrust for the body after the tunneling distance formed by tunneling the body is enough to install the duct piece by selecting the stroke from 2000mm to 3800 mm. When the segment erector assembles segments, the body can continuously dig.
In any of the above technical solutions, further, the plurality of thrust cylinders are located on the outer periphery of the front shield and are distributed in a central symmetry and/or axial symmetry manner.
In the technical scheme, the propulsion oil cylinders are distributed in a centrosymmetric and/or axisymmetric manner, so that the contraction and extension of the propulsion oil cylinders are controlled conveniently, and meanwhile, the propulsion posture of the propulsion oil cylinders is adjusted conveniently.
Specifically, one end of each of the plurality of thrust cylinders is connected with the front shield, and a closed geometric figure formed by connecting the connection points of the plurality of thrust cylinders in sequence can be a centrosymmetric and/or axisymmetric figure, so that the plurality of thrust cylinders are distributed in a centrosymmetric and/or axisymmetric manner.
Specifically, the connecting side of the front shield and the recommended oil cylinder can be in a regular centrosymmetric and/or axisymmetric pattern, for example, the connecting side can be in a circular, rectangular or square shape, and a plurality of propulsion oil cylinders are connected to the periphery of the front shield and can be distributed in a centrosymmetric and/or axisymmetric manner with the central point and/or the symmetry axis of the connecting side.
In any one of the above technical solutions, further, the segment erector includes: at least part of the area of the slide rail is arranged in the body; and the mechanical gripper is connected with the sliding rail in a sliding manner.
In this technical scheme, when splicing the section of jurisdiction through section of jurisdiction erector, can place the section of jurisdiction on the slide rail, transport the assigned position back through the slide rail at the section of jurisdiction and snatch the section of jurisdiction through mechanical tongs to place the section of jurisdiction and assemble in the section of jurisdiction space, assemble the back at the completion section of jurisdiction, can water cement mortar in the gap between tunnel and the section of jurisdiction, support the tunnel.
In any of the above technical solutions, further, the method further includes: and one end of the slag removing unit is arranged in the shell, and the other end of the slag removing unit extends out of the shell.
In the technical scheme, due to the arrangement of the slag removing assembly, the slag or sand and stones generated in the tunneling process of the front shield can be conveniently transported out of the shell, and the situation that the slag or sand and stones generated in the tunneling process are gradually increased to influence the normal use of the tunneling equipment is prevented.
In any of the above technical solutions, further, the slag removal assembly includes: the spiral conveyor is arranged in the shell, and one end of the spiral conveyor is arranged at the front shield; the belt conveyor, belt conveyor's one end sets up in the shell, and the shell is stretched out to the other end, and screw conveyer's the other end sets up at belt conveyor top.
According to the technical scheme, through the arrangement of the spiral conveyor and the belt conveyor, sand and soil slag generated in the tunneling process of the front shield can be conveyed to the belt conveyor along with the spiral conveyor, and then the belt conveyor conveys the sand and the sand to the outside of the shell, so that the phenomenon that the normal use of the tunneling equipment is influenced by the gradual increase of the sand and the soil slag generated in the tunneling process is prevented.
In any of the above technical solutions, further, the housing, the anterior shield and the sealing tail shield are all cylindrical.
In the technical scheme, the cylindrical shape is selected to be matched with the shape of the tunnel, and the installation of the front shield and the sealing tail shield is convenient.
In any of the above technical solutions, further, the peripheries of the anterior shield and the sealing tail shield are connected to the inner wall of the housing, and a cutter head is arranged at one end of the anterior shield extending out of the housing.
In the technical scheme, the front shield is pushed to move forwards through the propulsion oil cylinder, and the driving device drives the cutter head to rotate, so that the tunnel can be tunneled.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a heading device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a ring of completely assembled segments according to an embodiment of the present invention;
fig. 3 is a schematic view of the initial working state of the heading equipment according to the embodiment of the invention;
fig. 4 is a schematic diagram of a tunneling state of the tunneling apparatus according to the embodiment of the present invention;
fig. 5 is a schematic view of the state of the first segment in fig. 2 assembled by the heading equipment of the embodiment of the invention;
fig. 6 is a schematic view of a second segment state in fig. 2 assembled by the heading equipment of the embodiment of the invention;
fig. 7 is a schematic view of the tunneling apparatus according to the embodiment of the present invention in a state of being prepared to assemble the sixth segment in fig. 2;
fig. 8 is a schematic view of the tunneling apparatus according to the embodiment of the present invention in a state of completing the assembly of a circular pipe segment.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:
210 body, 220 thrust cylinder, 240 segment erector, 212 shell, 214 fore shield, 216 seal tail shield, 218 seal, 262 first segment, 264 second segment, 268 third segment, 270 fourth segment, 272 fifth segment, 274 sixth segment, 276 screw conveyor.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Heading equipment provided in accordance with some embodiments of the present invention is described below with reference to fig. 1-8.
Example one
As shown in fig. 1 to 8, an embodiment of the present invention provides a heading device, including: body 210, a plurality of thrust cylinders 220, segment erector 240, and operational controls.
As shown in fig. 1, one end of each of the plurality of thrust cylinders 220 is connected to the body 210, and the segment erector 240 is arranged on the body 210; the operation control device is connected with the propulsion oil cylinder 220 and the segment erector 240; the operation control device is used for controlling the plurality of propulsion cylinders 220 to propel the body 210 to tunnel and simultaneously controlling partial cylinders in the plurality of propulsion cylinders 220 to contract, so that a segment assembling space is formed for the segment assembling machine 240 to assemble segments in the segment assembling space.
As shown in fig. 3, the utility model discloses a heading equipment passes through body 210, a plurality of thrust cylinder 220, segment erector 240 and operation control device's setting, operation control device connects in thrust cylinder 220 and segment erector 240, as shown in fig. 4 in the course of the work a plurality of thrust cylinder 220 of operation control device control promote body 210 to tunnel, when tunneling distance is greater than certain preset distance and satisfies segment assembly condition or segment erector 240 and need carry out the segment and assemble, the space is assembled in order to form the segment to the partial thrust cylinder shrink in a plurality of thrust cylinder 220, supply segment erector 240 to assemble the segment in the space is assembled to the segment, other non-shrink thrust cylinder 220 still promote body 210 and continue the tunnelling in this in-process, it shuts down to need not body 210. Through the utility model discloses a tunnelling is assembled with the section of jurisdiction and is gone on in step, has improved tunnelling efficiency greatly, can show the time limit for a project that shortens underground construction.
Example two
As shown in fig. 1 to 8, an embodiment of the present invention provides a heading device, including: body 210, a plurality of thrust cylinders 220, segment erector 240, and operational controls.
As shown in fig. 1, one end of each of the plurality of thrust cylinders 220 is connected to the body 210, and the segment erector 240 is arranged on the body 210; the operation control device is connected with the propulsion oil cylinder 220 and the segment erector 240; the operation control device is used for controlling the plurality of propulsion cylinders 220 to propel the body 210 to tunnel and simultaneously controlling partial cylinders in the plurality of propulsion cylinders 220 to contract, so that a segment assembling space is formed for the segment assembling machine 240 to assemble segments in the segment assembling space.
Further, the stroke of the thrust cylinder 220 is 2000mm to 3800 mm.
In this embodiment, a stroke of the propulsion cylinder 220 is further provided, and by selecting the stroke of 2000mm to 3800mm, the propulsion cylinder 220 can be ensured to continue to extend to provide thrust for the body 210 after the tunneling distance formed by pushing the body 210 to tunnel is enough to install the segment. When the segment erector 240 assembles segments, the body 210 can be continuously driven.
Further, the plurality of thrust cylinders 220 are located on the outer periphery of the front shield 214 and are distributed in a central symmetry and/or an axial symmetry.
In this embodiment, the propulsion cylinders 220 are distributed in a central symmetry and/or an axial symmetry, so as to control the contraction and extension of the propulsion cylinders, and to adjust the propulsion attitude of the propulsion cylinders 220.
Specifically, one end of each of the plurality of thrust cylinders 220 is connected to the front shield 214, and a closed geometric figure formed by connecting the connection points of the plurality of thrust cylinders 220 in sequence can be a centrosymmetric and/or axisymmetric figure, so that the plurality of thrust cylinders 220 are distributed in a centrosymmetric and/or axisymmetric manner.
Specifically, the connecting side of the front shield 214 and the recommended oil cylinder may be a regular centrosymmetric and/or axisymmetric pattern, for example, a circle, a rectangle or a square, and the plurality of thrust oil cylinders 220 are connected to the periphery of the front shield 214 and may be distributed in a centrosymmetric and/or axisymmetric manner with the center point and/or the symmetry axis of the connecting side.
EXAMPLE III
As shown in fig. 1 to 8, an embodiment of the present invention provides a heading device, including: body 210, a plurality of thrust cylinders 220, segment erector 240, and operational controls.
As shown in fig. 1, one end of each of the plurality of thrust cylinders 220 is connected to the body 210, and the segment erector 240 is arranged on the body 210; the operation control device is connected with the propulsion oil cylinder 220 and the segment erector 240; the operation control device is used for controlling the plurality of propulsion cylinders 220 to propel the body 210 to tunnel and simultaneously controlling partial cylinders in the plurality of propulsion cylinders 220 to contract, so that a segment assembling space is formed for the segment assembling machine 240 to assemble segments in the segment assembling space.
As shown in fig. 1, 2 to 8, further, the body 210 includes: a housing 212; an anterior shield 214, anterior shield 214 disposed within housing 212; the sealing tail shield 216 is arranged on the inner side of the shell 212 and movably connected to the shell 212, and the length of the sealing tail shield 216 is greater than the sum of the stroke of the propulsion oil cylinder 220 and the width of the segment to be assembled; wherein, a plurality of propulsion cylinders 220 are connected to the front shield 214 and arranged in the housing 212.
In the embodiment, the front shield 214, the propulsion cylinder 220 and the sealing tail shield 216 are arranged on the inner side of the shell 212 to prevent falling sand and stones from falling into the tunneling equipment during tunneling to damage the tunneling equipment, the propulsion cylinder 220 propels the front shield 214 to tunnel during working, the sealing tail shield 216 is arranged on the inner side of the shell 212 and sleeved on the outer side of the assembled duct piece, the sealing element 218 is arranged on the inner side of the sealing tail shield 216 and positioned between the duct piece and the sealing tail shield 216, the sealing tail shield and the sealing element prevent cement mortar poured in a gap between the tunnel and the duct piece wall from entering the tunneling equipment during duct piece assembling, and after the whole ring of duct pieces are assembled, the whole ring of duct piece is separated from the sealing tail shield to ensure normal use of the tunneling equipment and prolong the service life of the tunneling equipment.
As shown in fig. 1 and 8, further, the method further includes: a seal 218, the seal 218 being disposed inside the seal tail shield 216.
In this embodiment, the sealing element 218 is disposed inside the sealing tail shield 216 and located between the duct piece and the sealing tail shield 216 during operation, so as to prevent cement mortar poured into a gap between the tunnel and the duct piece wall from entering the tunneling equipment, ensure normal use of the tunneling equipment, and prolong the service life of the tunneling equipment.
Example four
As shown in fig. 1 to 8, an embodiment of the present invention provides a heading device, including: body 210, a plurality of thrust cylinders 220, segment erector 240, and operational controls.
As shown in fig. 1, one end of each of the plurality of thrust cylinders 220 is connected to the body 210, and the segment erector 240 is arranged on the body 210; the operation control device is connected with the propulsion oil cylinder 220 and the segment erector 240; the operation control device is used for controlling the plurality of propulsion cylinders 220 to propel the body 210 to tunnel and simultaneously controlling partial cylinders in the plurality of propulsion cylinders 220 to contract, so that a segment assembling space is formed for the segment assembling machine 240 to assemble segments in the segment assembling space.
As shown in fig. 1, 2 to 8, further, the body 210 includes: a housing 212; an anterior shield 214, anterior shield 214 disposed within housing 212; the sealing tail shield 216 is arranged on the inner side of the shell 212 and movably connected to the shell 212, and the length of the sealing tail shield 216 is greater than the sum of the stroke of the propulsion oil cylinder 220 and the width of the segment to be assembled; wherein, a plurality of propulsion cylinders 220 are connected to the front shield 214 and arranged in the housing 212.
In this embodiment, further comprising: a seal 218, the seal 218 being disposed inside the seal tail shield 216.
Further, the segment erector 240 includes: a slide rail, at least a partial region of which is disposed in the body 210; and the mechanical gripper is connected with the sliding rail in a sliding manner.
In this embodiment, when splicing the segment through segment erector 240, can place the segment on the slide rail, snatch the segment through mechanical tongs after the segment transports the assigned position through the slide rail to place the segment and assemble in the segment is assembled the space, assemble the back at the completion segment, can water cement mortar in the gap between tunnel and segment, support the tunnel.
Further, still include: and one end of the slag cleaning unit is arranged in the shell 212, and the other end of the slag cleaning unit extends out of the shell 212.
In the embodiment, due to the arrangement of the slag removing assembly, the slag or sand generated in the tunneling process of the front shield 214 can be conveniently transported out of the shell 212, and the slag or sand generated in the tunneling process can be prevented from increasing to influence the normal use of the tunneling equipment.
Further, the scarfing cinder subassembly includes: a screw conveyor 276, the screw conveyor 276 being disposed within the housing 212 with one end disposed at the anterior shield 214; a belt conveyor, one end of which is disposed within the housing 212 and the other end of which extends out of the housing 212, the other end of the screw conveyor 276 being disposed at the top of the belt conveyor.
In this embodiment, through the arrangement of the screw conveyor 276 and the belt conveyor, the sand and the soil generated during the tunneling process of the front shield 214 are conveyed to the belt conveyor along with the screw conveyor 276, and then the belt conveyor conveys the soil and the sand out of the casing 212, so as to prevent the increase of the sand and the soil generated during the tunneling process from affecting the normal use of the tunneling apparatus.
Further, the housing 212, the anterior shield 214, and the sealing tail shield 216 are all cylindrical.
In this embodiment, the cylindrical shape is selected to fit the shape of the tunnel and facilitate the installation of the anterior shield 214 and the sealing tail shield 216.
Further, the outer peripheries of the front shield 214 and the seal tail shield 216 are connected to the inner wall of the housing 212, and a cutter head is arranged at one end of the front shield 214 extending out of the housing 212.
In the embodiment, in the technical scheme, the front shield 214 is pushed to move forwards by the propelling oil cylinder 220, and the driving device drives the cutterhead to rotate, so that the tunnel can be tunneled.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1 to 8, this embodiment proposes a heading device including: body 210, a plurality of thrust cylinders 220, segment erector 240, and operational controls.
Wherein, one end of a plurality of thrust cylinders 220 is connected to the body 210, and the segment erector 240 is arranged on the body 210; the operation control device is connected with the propulsion oil cylinder 220 and the segment erector 240; the operation control device is used for controlling the plurality of propulsion cylinders 220 to propel the body 210 to tunnel and simultaneously controlling partial cylinders in the plurality of propulsion cylinders 220 to contract, so that a segment assembling space is formed for the segment assembling machine 240 to assemble segments in the segment assembling space.
The tunneling equipment in this embodiment is applied to the tunneling process, and segments can be assembled while tunneling, taking the segments assembly with the specification of 6200/5500mm-1500mm as an example, as shown in fig. 2, a ring segment includes six segments, a first segment 262, a second segment 264, a third segment 268, a fourth segment 270, a fifth segment 272, and a sixth segment 274 are sequentially connected in an arc shape to form a closed ring shape, wherein the arc angles of the first segment 262, the second segment 264, and the third segment 268 are 67.5 °, the arc angles of the fourth segment 270 and the fifth segment 272 are 68 °, and the arc angle of the sixth segment 274 is 21.5 °.
The embodiment can realize synchronous tunneling and duct piece assembling. When the tunneling distance of the body 210 of the tunneling device is larger than the segment width and sufficient space exists for segment splicing as shown in fig. 4, the operation control device controls the thrust cylinder 220 at the first segment 262 to retract and the rest thrust cylinders 220 to continue to extend as shown in fig. 5. Meanwhile, segment erector 240 grabs the segments and moves to the position to be assembled, and after waiting for first segment 262 to retract into place, first segment pushing cylinder 220 assembles the segments. After the first segment 262 is assembled, as shown in fig. 6, the thrust cylinder 220 at the first segment 262 extends out and compresses the assembled segment, and the rest cylinders continue to extend out. Then, the propulsion cylinder 220 at the second segment 264 is retracted, the rest cylinders continue to extend and increase the cylinder pressure, the segment erector 240 assembles the second segment 264 after the propulsion cylinder 220 at the second segment 264 is retracted in place, and the second segment discharging cylinder extends out to compress the segment after the assembly is completed. After that, the above steps are repeated, and the remaining third tube sheet 268, fourth tube sheet 270, fifth tube sheet 272 and sixth tube sheet 274 are sequentially assembled, as shown in fig. 8. The embodiment can realize synchronous shield tunneling and splicing, cancel the shutdown waiting time and greatly improve the construction efficiency.
The present embodiment will be further explained by taking a duct piece with a specification of 6200/5500mm-1500mm as an example with reference to the attached drawings.
When the tunneling equipment tunnels, as shown in fig. 4, the operation control device controls one end of the propulsion oil cylinder 220 to push the spliced duct piece driving body 210 to tunnel forward according to a tunneling instruction, wherein the tunneling length is a ring duct piece width plus a splicing allowance (the duct piece width is 1500mm plus the splicing gap allowance is 100 mm); as shown in fig. 5, an assembly space forming instruction is sent to the operation control device, the operation control device controls the thrust cylinders 220 at the first segment 262 to retract, and the operation control device adjusts the pressure of the rest thrust cylinders 220 and continues to extend; meanwhile, the segment erector 240 grabs the first segment 262 and moves to the position to be assembled, and the segment is assembled after the pushing cylinder 220 at the first segment 262 retracts in place to form a segment assembling space; after the first pipe piece 262 is assembled, the thrust oil cylinder 220 at the first pipe piece 262 extends out and compresses the assembled first pipe piece 262, and the rest oil cylinders continue to extend out; retracting the telescopic oil cylinder at the second segment 264, and adjusting the pressure of the rest of the propulsion oil cylinders 220 by the operation control device and continuously extending; after the telescopic oil cylinder at the second segment 264 is retracted to the proper position, the second segment 264 is assembled as shown in fig. 6, and after the assembly is completed, the oil cylinder at the second position extends out to compress the segment as shown in fig. 7. As shown in fig. 8, the above steps are repeated, and the third segment 268, the fourth segment 270, the fifth segment 272 and the sixth segment 274 are assembled in sequence.
Further, because the segments are in a staggered joint splicing mode, when each ring of segments is spliced, the corresponding oil cylinders of the segments are different in position, and the different oil cylinders are in two states of extending and retracting at the same moment, so that the propulsion oil cylinders 220 can be controlled simultaneously, each propulsion oil cylinder 220 can be controlled independently, and the operation control device can divide the plurality of propulsion oil cylinders 220 into regions so as to balance the propulsion force, adjust the propulsion attitude and avoid unbalance loading.
Further, the propulsion cylinder 220 adjusts the propulsion attitude, including deviation correction of the tunneling attitude of the straight line segment and attitude adjustment of the curved line segment.
Further, taking the above segment specification as an example, it takes 5min to assemble 1 segment, and 6 segments are assembled by one ring for 6 segments, and at this time, it takes about 30min, so the extending length of the thrust cylinder 220 is 1500+100+ (30 × 30) ═ 2500 mm.
Furthermore, the length of the tail shield is required to meet the requirement that when the oil cylinder is completely extended out, effective sealing still exists between the pipe piece and the shield tail. Therefore, the length of the shield tail is larger than the sum of the stroke of the propulsion oil cylinder 220 and the width of the pipe piece to be assembled.
Further, the tunneling equipment and the operation control device capable of synchronously tunneling and assembling in the embodiment take 6.2-meter pipe sheet assembling as an example, but are not limited to 6-meter tunneling and are also suitable for large tunneling with the meter of more than 6.
Further, when the pushing and the assembling are carried out simultaneously, the pushing oil cylinders 220 at the positions of the segments to be assembled are retracted, so that the pushing oil cylinders 220 at the symmetrical positions can be retracted simultaneously to avoid the shield from generating unbalance loading, and the thrust balance is realized.
The beneficial effects of the embodiment are as follows: the conventional tunneling and the segment assembling are carried out alternately, the segment assembling and tunneling time basically accounts for 50%, and the shutdown waiting time required by the segment assembling is longer. The tunneling equipment and the operation control device can realize the simultaneous tunneling and splicing of the shield machine, the stop waiting time required by splicing the duct pieces by the conventional shield is saved, the splicing efficiency can be improved by 100% theoretically, the tunneling efficiency is greatly improved, and the construction period is saved.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A heading device, comprising:
a body;
a plurality of propulsion oil cylinders, one ends of the propulsion oil cylinders are connected with the body,
the segment erector is arranged on the body;
the operation control device is connected to the propulsion oil cylinder and the segment erector; the operation control device is used for controlling the plurality of propulsion oil cylinders to propel the body to tunnel and simultaneously controlling the plurality of partial oil cylinders in the propulsion oil cylinders to contract, so that a segment assembling space is formed for the segment assembling machine to assemble segments in the segment assembling space.
2. The ripper apparatus of claim 1, wherein the body includes:
a housing;
an anterior shield disposed within the housing;
the sealing tail shield is arranged on the inner side of the shell and is movably connected to the shell, and the length of the sealing tail shield is greater than the sum of the stroke of the propulsion oil cylinder and the width of the segment to be assembled;
the plurality of propulsion oil cylinders are connected to the front shield and arranged in the shell.
3. The ripping apparatus of claim 2, further comprising:
the sealing element is arranged on the inner side of the sealing tail shield.
4. The ripping apparatus of claim 1,
the stroke of the propulsion oil cylinder is 2000mm to 3800 mm.
5. The ripping apparatus of claim 2,
the plurality of the propulsion oil cylinders are positioned on the periphery of the front shield and are distributed in a centrosymmetric and/or axisymmetric manner.
6. The tunneling apparatus of claim 1, wherein the segment erector comprises:
the sliding rail is arranged in the body at least in a partial region;
the mechanical hand grip is connected with the sliding rail in a sliding mode.
7. The ripping apparatus of claim 2, further comprising:
and one end of the slag removing unit is arranged in the shell, and the other end of the slag removing unit extends out of the shell.
8. The heading apparatus of claim 7, wherein the slag removal assembly comprises:
the spiral conveyor is arranged in the shell, and one end of the spiral conveyor is arranged at the front shield;
the belt conveyor, belt conveyor's one end sets up in the shell, the other end stretches out the shell, screw conveyer's the other end sets up belt conveyor top.
9. The ripping apparatus of claim 2,
the shell, the front shield and the sealing tail shield are all cylindrical.
10. The ripping apparatus of claim 9,
the periphery of the front shield and the sealing tail shield is connected to the inner wall of the shell, and a cutter head is arranged at one end, extending out of the shell, of the front shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237205.2U CN211081864U (en) | 2019-12-13 | 2019-12-13 | Tunneling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237205.2U CN211081864U (en) | 2019-12-13 | 2019-12-13 | Tunneling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211081864U true CN211081864U (en) | 2020-07-24 |
Family
ID=71631819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201922237205.2U Active CN211081864U (en) | 2019-12-13 | 2019-12-13 | Tunneling equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112727477A (en) * | 2021-01-20 | 2021-04-30 | 中建三局集团有限公司 | Hinged sliding barrel type continuous tunneling shield machine and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727477A (en) * | 2021-01-20 | 2021-04-30 | 中建三局集团有限公司 | Hinged sliding barrel type continuous tunneling shield machine and construction method thereof |
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