CN116220708A - Jacking operation platform and construction method thereof - Google Patents
Jacking operation platform and construction method thereof Download PDFInfo
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- CN116220708A CN116220708A CN202310475930.1A CN202310475930A CN116220708A CN 116220708 A CN116220708 A CN 116220708A CN 202310475930 A CN202310475930 A CN 202310475930A CN 116220708 A CN116220708 A CN 116220708A
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 98
- 229910052742 iron Inorganic materials 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 238000013461 design Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 14
- 230000005641 tunneling Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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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
- E21D9/004—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines using light beams for direction or position control
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- Excavating Of Shafts Or Tunnels (AREA)
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Abstract
The application discloses a jacking operation platform and a construction method thereof. The rotating module is rotatably connected to the gesture adjusting vehicle, and a jacking device is arranged on the rotating module. The bearing bracket is connected to the jacking device, a guide rail is arranged on the bearing bracket, and the back rest iron is slidably connected to the guide rail. The traction mechanism comprises a fixing part and a traction piece, wherein the fixing part is used for connecting and fixing, one end of the traction piece is connected with the back iron, and the other end of the traction piece is connected with the fixing part. The informationized control platform is respectively connected with the rotary driving device, the traction mechanism and the jacking device in a control manner so as to adjust the jacking direction. The jacking operation platform can realize quick positioning and real-time posture adjustment of the push bench, avoids manual posture adjustment of the push bench, saves manpower, accelerates construction progress, shortens construction period and reduces construction cost.
Description
Technical Field
The invention relates to the technical field of jacking equipment, in particular to a jacking operation platform and a construction method thereof.
Background
In subway tunnel construction, a communication channel is arranged between two tunnels when the continuous length of the tunnels is more than 600 and m. The main methods for constructing the communication channel at the present stage are a shallow buried and underground excavation method and a freezing method, and the problems of long construction period, poor sedimentation control, high manufacturing cost and the like exist in a soft soil stratum. In order to solve the problems, some enterprises at home and abroad develop and practice the construction technology of the mechanical method excavation section communication channel. When the communication channel is constructed by adopting a mechanical method, the mechanical jacking method is mostly adopted, the jacking construction can only jack along a straight line, and the posture cannot be adjusted. However, the axes of the two sides of the connecting channel are deviated, so that the initial posture of the pipe jacking machine needs to be manually adjusted during initial tunneling so as to meet jacking construction requirements as much as possible, the jacking posture cannot be adjusted in real time, manual adjustment is laborious, and adjustment is difficult.
In view of this, the present invention has been made.
Disclosure of Invention
A first object of the present invention is to provide a jacking operation platform.
The invention adopts the following technical scheme:
a jacking operation platform, comprising:
a posture adjustment vehicle for connecting to the track assembly for translation along the track assembly,
the rotating module is rotatably connected with the gesture adjusting vehicle, a rotating driving device capable of driving the rotating module to rotate relative to the gesture adjusting vehicle is arranged between the rotating module and the gesture adjusting vehicle, and a jacking device is arranged on the rotating module;
the bearing bracket is connected to the jacking device and is provided with a guide rail;
a back iron slidably connected to the rail;
the traction mechanism comprises a fixing part and a traction piece, wherein the fixing part is used for connecting and fixing, one end of the traction piece is connected with the back iron, and the other end of the traction piece is connected with the fixing part;
the informationized control platform is respectively in control connection with the rotary driving device, the traction mechanism and the jacking device so as to adjust the jacking direction.
Optionally, the posture adjustment vehicle comprises a steel structure frame, a bottom bearing block and a position adjustment assembly;
the bottom bearing block is movably arranged on the steel structure frame, and the rotating module is arranged on the bottom bearing block;
the position adjusting assembly is arranged on the steel structure frame and is in transmission connection with the bottom bearing block so as to drive the bottom bearing block to move in a plane;
the informationized control platform is in control connection with the position adjusting component.
Optionally, the device comprises four position adjusting assemblies, wherein each position adjusting assembly comprises a sliding block and a telescopic oil cylinder;
the steel structure frame is provided with a hollow area and four sliding grooves, wherein the four sliding grooves are respectively positioned at one side of four sides of the hollow area and respectively extend along the corresponding sides of the hollow area;
the bottom bearing block is arranged in the hollow area;
the sliding blocks of the position adjusting assemblies are arranged in corresponding sliding grooves, one end of each telescopic oil cylinder of each position adjusting assembly is connected with the corresponding sliding block, and the other end of each telescopic oil cylinder is connected with the bottom bearing block.
Optionally, a rotating groove is formed in the bottom bearing block;
the rotary module comprises a rotary steel structure and a protruding shaft, the protruding shaft is connected with the rotary steel structure, and the protruding shaft is rotatably inserted into the rotary groove;
the jacking device is arranged on the rotary steel structure.
Optionally, the jacking device comprises a plurality of jacks;
each jack is respectively arranged on four corners of the rotary steel structure;
the bearing bracket is provided with a universal ball disc, and the jack is connected with the universal ball disc.
Optionally, a plurality of springs are arranged on the rotary steel structure, and a plurality of guide posts are arranged on the bearing bracket;
each spring is connected to a corresponding guide post.
Optionally, the guide rail is provided with a chute;
the back iron is provided with a matching block;
the matching block is slidably connected to the sliding groove.
Optionally, an attitude measurement system is also included;
the attitude measurement system comprises a total station, a reflecting sheet and a laser target;
the reflecting sheet is arranged on the back iron;
the laser target is arranged on the push bench;
the total station is in communication connection with the informationized control platform.
A first object of the present invention is to provide a construction method of the jacking operation platform, wherein the jacking operation platform has a posture measurement system, and the construction method includes:
s1, placing a track assembly in a shield tunnel, and installing a jacking operation platform and a push bench in place so that a posture adjustment vehicle can be slidably connected with the track assembly;
s2, importing design axis data into an informatization control platform, determining a rotation angle of a rotation module and a stroke of a jacking device by the informatization control platform according to data detected by a gesture measurement system, and completing gesture adjustment of a jacking operation platform according to the rotation angle and the stroke, so that an originating axis of the push bench meets the design axis requirement;
and S3, starting jacking construction, repeating the control process in the step S2 by the informationized control platform every time the jacking construction of a pipe joint is completed, adjusting the jacking axis and the posture of the pipe jacking machine, and finally completing tunneling construction of the branch tunnel.
Optionally, the gesture measurement system comprises a total station, a reflecting sheet and a laser target, wherein the reflecting sheet is arranged on a back iron, the laser target is arranged on a push bench, and the total station is in communication connection with the informationized control platform;
in step S2, the informationized control platform starts the total station, the reflective sheet on the back iron and the initial coordinates of the laser target of the push bench are tested, the data are imported into the informationized control platform, the initial tunneling axis of the push bench is obtained through calculation, and compared with the design axis, if the difference value of the reflective sheet and the initial coordinates is within the allowable range, jacking construction is started, if the difference value of the reflective sheet and the laser target exceeds the allowable range, the three-dimensional offset value of the axis is calculated, the adjusted difference value is obtained, the new coordinates are calculated by the informationized control platform, the new coordinates are compared with the initial coordinates, the three-dimensional path of the back iron is obtained through calculation, the three-dimensional path of the adjustment of the bearing bracket is obtained through calculation according to the three-dimensional path of the back iron, finally, the rotation angle of the rotation module and the stroke of the jacking device are obtained, and accordingly, adjustment of the jacking operation platform is controlled to be completed, if the adjustment is still not met, the adjustment step is repeated for multiple times, and finally the initial axis of the push bench meets the design axis requirement.
By adopting the technical scheme, the invention has the following beneficial effects:
when the jacking operation platform is used, the track assembly is firstly used for entering the pre-punching position in the tunnel, the fixing part is connected with a special duct piece attached to the tunnel wall, the traction piece stretches and contracts to drive the back iron to move along the guide rail to the tunnel wall far away from or close to one side of the fixing piece, and the back iron can push the push bench to move so as to excavate the tunnel wall. And the jacking operation platform of this application accessible rotary module is rotated push bench, is leaned on back to iron and traction mechanism, still can be through jacking device to push bench, is leaned on back to iron and traction mechanism go up and down, realizes push bench take one's place fast, push bench gesture real-time adjustment, has avoided push bench gesture manual adjustment, has practiced thrift the manpower for construction progress has shortened construction period, has reduced construction cost.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention, without limitation to the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a cross-sectional view of a jacking operation platform provided by the invention in a tunnel;
FIG. 2 is a cross-sectional view of the attitude adjustment vehicle of the jacking operation platform provided by the invention;
FIG. 3 is a top view of a trolley frame module and a rotary module of the jacking operation platform provided by the invention;
FIG. 4 is a top view of a trolley frame of the jacking operation platform provided by the invention;
FIG. 5 is a top view of a rotary module of the jacking operation platform provided by the present invention;
FIG. 6 is a top view of a load carrier of the jacking operation platform provided by the present invention;
FIG. 7 is a cross-sectional view of a load carrier of the jacking operation platform provided by the present invention;
FIG. 8 is a schematic diagram of the cooperation of the pulling mechanism and the back rest iron of the jacking operation platform provided by the invention;
fig. 9 is a side view of a back iron of the jacking operation platform provided by the invention.
In the figure, a shield tunnel segment 1, a total station 2, a reflector plate 3, a back iron 4, a matching block 4-1, a tube section 5, a push bench 6, a pulling mechanism 7, a fixing part 71, a pulling piece 72, a special segment 8, an attitude adjusting vehicle 9, a trolley frame 91, a steel structure frame 91-1, a sliding groove 91-2, a sliding block 91-3, a bottom bearing block 91-4, a frame upright post 91-5, a frame connecting beam 91-6, a telescopic cylinder 91-7, a rotating module 92, a rotating steel structure 92-1, a protruding shaft 92-2, a rotating driving mechanism 92-4, a jacking device 93, a bearing bracket 93-1, a guide rail 93-2, a guide post 93-3, a universal ball disc 93-4, a jack 93-5, a spring 93-6, a track assembly 10, an informatization control platform 11 and a laser target 12.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 9, an embodiment of the present application provides a jacking operation platform, which includes a posture adjustment vehicle 9, a rotation module 92, a bearing bracket 93-1, a back iron 4, a pulling mechanism 7, and an information control platform 11. The posture adjustment vehicle 9 is used for being connected to the track assembly 10 so as to translate along the track assembly 10, the rotation module 92 is rotatably connected to the posture adjustment vehicle, a rotation driving device capable of driving the rotation module 92 to rotate relative to the posture adjustment vehicle is arranged between the rotation module 92 and the posture adjustment vehicle, and the jacking device 93 is arranged on the rotation module 92. The bearing bracket 93-1 is connected to the jacking device 93, a guide rail 93-2 is disposed on the bearing bracket 93-1, and the back iron 4 is slidably connected to the guide rail 93-2. The pulling mechanism 7 comprises a fixing portion 71 and a pulling member 72, wherein the fixing portion 71 is used for connecting and fixing, one end of the pulling member 72 is connected with the back iron 4, and the other end of the pulling member 72 is connected with the fixing portion 71. The informationized control platform 11 is respectively in control connection with the rotary driving device, the pulling mechanism 7 and the jacking device 93 so as to adjust the jacking direction.
When the jacking operation platform is used, the pre-punching position in the tunnel is firstly entered along the track assembly 10, the fixing part 71 is connected with the special duct piece 8 on the shield tunnel duct piece 1 attached to the tunnel wall, the traction piece 72 stretches out and draws back iron 4 to move along the guide rail 93-2 to the tunnel wall far away from or close to one side of the fixing piece, and the back iron 4 can push the push bench 6 to move so as to excavate the tunnel wall. And the jacking operation platform of this application accessible rotary module 92 is rotatory push bench 6, lean on behind the back iron and draw mechanism 7, can also go up and down push bench 6, lean on behind the back iron and draw mechanism 7 through jacking device 93, and informationized control platform 11 can realize the remote control to above-mentioned device. The quick positioning of the push bench 6 and the real-time adjustment of the posture of the push bench 6 are realized, the manual adjustment of the posture of the push bench 6 is avoided, the manpower is saved, the construction progress is quickened, the construction period is shortened, and the construction cost is reduced.
Wherein, special section of jurisdiction 8 is the outer 3cm steel sheet of interior subsides of back of body soil face primary tunnel opening scope. The pulling mechanism 7 can be a hydraulic telescopic rod
In one possible embodiment, the attitude adjustment vehicle 9 includes a steel structural frame 91-1, a bottom carrier block 91-4, and a position adjustment assembly. The bottom bearing block 91-4 is movably arranged on the steel structure frame 91-1, and the rotating module 92 is arranged on the bottom bearing block 91-4. The position adjusting assembly is arranged on the steel structure frame 91-1, and the position adjusting assembly is in transmission connection with the bottom bearing block 91-4 to drive the bottom bearing block 91-4 to move in a plane. The informationized control platform 11 is in control connection with the position adjusting assembly.
In one possible embodiment, the attitude adjustment vehicle 9 includes a carriage frame 91, the carriage frame 91 including the steel structural frame 91-1, the frame upright 91-5, and the frame tie beam 91-6.
In one possible embodiment, the jacking platform includes four of the position adjustment assemblies, each of which includes a slider 91-3 and a telescoping cylinder 91-7. The steel structure frame 91-1 has a hollow region and four sliding grooves 91-2, and the four sliding grooves 91-2 are respectively located at four sides of the hollow region and respectively extend along the corresponding sides of the hollow region. The bottom carrier block 91-4 is disposed within the hollow region. The sliding blocks 91-3 of each position adjusting component are arranged on the corresponding sliding grooves 91-2, one end of the telescopic oil cylinder 91-7 of each position adjusting component is connected with the corresponding sliding block 91-3, and the other end is connected with the bottom bearing block 91-4. The parallel position adjustment or fine adjustment can be performed by adjusting the expansion and contraction of the four expansion and contraction oil cylinders 91-7 and driving the rotary module 92 and the push bench 6 above through the bottom bearing blocks 91-4.
In one possible embodiment, the bottom bearing block 91-4 is provided with a rotating groove, the rotating module 92 includes a rotating steel structure 92-1 and a protruding shaft 92-2, the protruding shaft 92-2 is connected to the rotating steel structure 92-1, and the protruding shaft 92-2 is rotatably inserted into the rotating groove. The jacking device 93 is provided on the rotary steel structure 92-1. The jacking device 93 and the push bench 6 are driven by the rotary steel structure 92-1 to rotate on a plane parallel to the bearing bracket 93-1 by the rotary driving mechanism 92-4, and the informationized control platform 11 is in control connection with the rotary driving mechanism 92-4.
In one possible embodiment, the rotary driving mechanism 92-4 comprises a motor and an output gear set in transmission connection with the motor, the convex shaft 92-2 is provided with a toothed ring around, the toothed ring is meshed with an output gear at the tail end of the output gear set, and the motor can rotate to drive the convex shaft 92-2 to rotate through the output gear set, so as to drive the rotary steel structure 92-1 to rotate.
In one possible embodiment, the jacking device 93 includes a plurality of jacks 93-5. Each jack 93-5 is provided on four corners of the rotary steel structure 92-1, respectively. The bearing bracket 93-1 is provided with a universal ball disc 93-4, and the jack 93-5 is connected with the universal ball disc 93-4. The jack 93-5 can jack the bearing bracket 93-1 upwards, or the bearing bracket 93-1 moves downwards under the action of gravity, and the jack 93-5 is arranged at four corners to ensure more stability during lifting. The ball head is arranged above the jack 93-5 and connected with the universal ball disc 93-4, so that the bearing bracket 93-1 can incline to a plane with any angle, and the axis of the push bench is adjusted. Wherein, the back rest iron 4 is connected with the bearing bracket 93-1, and an included angle of 90 degrees can be formed between the back rest iron and the bearing bracket.
In one possible embodiment, a plurality of springs 93-6 are disposed on the rotary steel structure 92-1, and a plurality of guide posts 93-3 are disposed on the bearing bracket 93-1, and each of the springs 93-6 is connected to a corresponding guide post 93-3. A plurality of springs 93-6 are uniformly arranged between the bearing bracket 93-1 and the rotary steel structure 92-1, so that stable bearing can be provided for the bearing bracket 93-1, and the bearing tray can be guaranteed to return through the resilience force of the springs 93-6 after the jack 93-5 stretches. The spring 93-6 is a high-strength spring 93-6, and the other end of the high-strength spring 93-6 is connected with a vertical guide column 93-3 at the bottom of the bearing bracket 93-1, so that the rotating module 92 and the bearing bracket 93-1 are kept in elastic connection, the jack 93-5 is prevented from being invalid, and the bearing bracket 93-1 is separated from the rotating module 92, thereby causing mechanical accidents.
In one possible embodiment, the guide rail 93-2 has a slide slot 91-2 and the back iron 4 is provided with a mating block 4-1. The mating block 4-1 is slidably coupled to the chute 91-2. The traction mechanism 7 drives the back rest iron 4 to slide along the sliding groove 91-2, the sliding groove 91-2 and the matching block 4-1 limit the action track of the back rest iron 4, and the jacking operation is ensured to be stable.
In one possible embodiment, the jacking operation platform further includes an attitude measurement system. The attitude measurement system includes a total station 2, a reflecting sheet 3, and a laser target 12. The reflector plate 3 is arranged on the back iron 4, the laser target 12 is arranged on the push bench 6, and the total station 2 is in communication connection with the informationized control platform 11. The total station 2 is arranged on a reverse segment in the tunneling direction of the push bench 6, the reflecting sheet 3 is attached to four corner points of the back rest iron, the reflecting sheet 3 can receive and reflect signals emitted by the total station 2, the laser target is arranged on the push bench 6, and the total station 2, the reflecting sheet 3 and the laser target can be visualized. So that the jacking position of the push bench 6 can be accurately set.
Further, the informatization control console is provided with a display screen, is respectively connected with the traction oil cylinders and the pushing jack 93-5 through pipelines, respectively displays the oil pressure, the oil temperature and the pulling force or pushing force of each oil cylinder, is internally provided with a plc control computer, and can automatically adjust the positions (three-dimensional positions) of the bearing bracket 93-1 and the back leaning iron according to the data measured by the attitude measurement system, so as to adjust the tunneling attitude of the push bench 6.
In one possible embodiment, the jacking operation platform further comprises a push bench 6 for jacking the tunnel wall, a plurality of pipe joints 5 are arranged between the push bench 6 and the back backrest iron, and the distance between the push bench 6 and the back backrest iron can be regulated stably.
Example two
On the basis of the first embodiment, referring to fig. 1 to 9, an embodiment of the present application provides a construction method of an jacking operation platform, where the jacking operation platform has a posture measurement system, and the construction method includes:
s1, placing a track assembly 10 in a shield tunnel, and installing a jacking operation platform and a push bench 6 in place so that a posture adjustment vehicle 9 is slidably connected to the track assembly 10;
step S2, the design axis data are imported into the informatization control platform 11, the informatization control platform 11 determines the rotation angle of the rotation module 92 and the stroke of the jacking device 93 according to the data detected by the gesture measurement system, and gesture adjustment of the jacking operation platform is completed according to the rotation angle and the stroke, so that the starting axis of the push bench 6 meets the design axis requirement;
and S3, starting jacking construction, wherein the informationized control platform 11 repeats the control process in the step S2 every time the jacking construction of a pipe joint 5 is completed, adjusts the jacking axis and the posture of the pipe push bench 6, and finally completes tunneling construction of the branch tunnel.
In one possible embodiment, the attitude measurement system comprises a total station 2, a reflecting sheet 3 and a laser target 12, wherein the reflecting sheet 3 is arranged on a back iron 4, the laser target 12 is arranged on a push bench 6, and the total station 2 is in communication connection with the informationized control platform 11;
in step S2, the informationized control platform 11 starts the total station 2, measures the initial coordinates of the reflecting sheet 3 and the laser target of the push bench 6 on the back iron 4, inputs the data into the informationized control platform 11, calculates the initial tunneling axis of the push bench 6, compares the initial tunneling axis with the design axis, if the difference value of the two is within the allowable range, starts jacking construction, if the difference value of the two exceeds the allowable range, calculates the three-dimensional offset value of the axis, further obtains the adjusted difference value, reversely calculates new coordinates of the reflecting sheet 3 and the laser target by the informationized control platform 11, compares the new coordinates with the initial coordinates, calculates the three-dimensional path adjusted by the back iron 4, calculates the three-dimensional path adjusted by the back iron according to the three-dimensional path adjusted by the back iron, finally obtains the rotating angle of the rotating module 92 and the stroke of the jacking device 93, and accordingly controls the adjustment of the jacking operation platform, if the adjustment still does not meet the requirement, repeatedly adjusts the steps, and finally enables the axis of the push bench 6 to meet the design axis.
And a track for traveling of the pipe jacking equipment is arranged in the shield tunnel, and the jacking operation platform with the automatic posture adjustment and the pipe jacking machine 6 are positioned. The design axis data are imported into the informationized control platform 11, the informationized control platform 11 starts the total station 2, four reflecting sheets 3 on the back iron and the initial coordinates of the laser targets of the push bench 6 are tested, the data are imported into the informationized control platform 11, the initial tunneling axis of the push bench 6 is obtained through calculation and compared with the design axis, if the difference value of the two is within the allowable range, jacking construction is started, if the difference value of the two is beyond the allowable range, the three-dimensional deviation value of the axis is calculated, the adjusted difference value is further obtained, new coordinates of the four reflecting sheets 3 and the laser targets of the push bench 6 are calculated through the informationized control platform 11, the new coordinates are compared with the initial coordinates, the three-dimensional path adjusted by the back iron is calculated, the three-dimensional path adjusted according to the three-dimensional path adjusted by the back iron is calculated, finally, the rotating angle of the rotating shaft of the rotating module 92 and the telescopic lifting jack 93-5 of the four corner points of the rotating module 92 are obtained, the informationized control platform 11 still does not complete the adjustment of the posture adjustment platform according to the finally obtained rotating angle and telescopic stroke, if the adjustment meets the adjustment requirement of the current time, and the initial axis of the push bench 6 is still required to meet the multiple times, and the initial axis requirement is met. The first pipe section 5 is placed to start jacking construction, the step of the second step is repeated by the informatization control platform 11 after the jacking construction of a pipe section is completed, and the jacking axis and the posture of the pipe pushing machine 6 are adjusted, so that the jacking construction of the pipe pushing machine 6 is corrected, early correction and fine adjustment, the large-amplitude deviation correction and direction adjustment are prevented (the pipe pushing machine 6 can only travel along a straight line and cannot correct the deviation greatly), and the tunneling construction of a branch tunnel is finally completed. The informationized control platform 11 can assist in completing the posture adjustment of the push bench 6 by adjusting the oil pressure and the stroke of the traction cylinder according to the calculated axis and posture deviation.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present invention without departing from the scope of the invention.
Claims (9)
1. A jacking operation platform, comprising:
a posture adjustment vehicle for connecting to the track assembly for translation along the track assembly,
the rotating module is rotatably connected with the gesture adjusting vehicle, a rotating driving device capable of driving the rotating module to rotate relative to the gesture adjusting vehicle is arranged between the rotating module and the gesture adjusting vehicle, and a jacking device is arranged on the rotating module;
the bearing bracket is connected to the jacking device and is provided with a guide rail;
a back iron slidably connected to the rail;
the traction mechanism comprises a fixing part and a traction piece, wherein the fixing part is used for connecting and fixing, one end of the traction piece is connected with the back iron, and the other end of the traction piece is connected with the fixing part;
the informationized control platform is respectively in control connection with the rotary driving device, the traction mechanism and the jacking device so as to adjust the jacking direction.
2. The jacking operation platform of claim 1, wherein the attitude adjustment vehicle comprises a steel structural frame, a bottom carrier block, and a position adjustment assembly;
the bottom bearing block is movably arranged on the steel structure frame, and the rotating module is arranged on the bottom bearing block;
the position adjusting assembly is arranged on the steel structure frame and is in transmission connection with the bottom bearing block so as to drive the bottom bearing block to move in a plane;
the informationized control platform is in control connection with the position adjusting component.
3. The jacking operation platform of claim 2, comprising four of said position adjustment assemblies, each of said position adjustment assemblies comprising a slider and a telescoping ram;
the steel structure frame is provided with a hollow area and four sliding grooves, wherein the four sliding grooves are respectively positioned at one side of four sides of the hollow area and respectively extend along the corresponding sides of the hollow area;
the bottom bearing block is arranged in the hollow area;
the sliding blocks of the position adjusting assemblies are arranged in corresponding sliding grooves, one end of each telescopic oil cylinder of each position adjusting assembly is connected with the corresponding sliding block, and the other end of each telescopic oil cylinder is connected with the bottom bearing block.
4. A jacking operation platform as claimed in claim 3, wherein a rotating groove is provided in said bottom carrier block;
the rotary module comprises a rotary steel structure and a protruding shaft, the protruding shaft is connected with the rotary steel structure, and the protruding shaft is rotatably inserted into the rotary groove;
the jacking device is arranged on the rotary steel structure.
5. The jacking platform of claim 4, wherein said jacking means comprises a plurality of jacks;
each jack is respectively arranged on four corners of the rotary steel structure;
the bearing bracket is provided with a universal ball disc, and the jack is connected with the universal ball disc.
6. The jacking operation platform of claim 4, wherein a plurality of springs are provided on the rotating steel structure, and a plurality of guide posts are provided on the carrier;
each spring is connected to a corresponding guide post.
7. The jacking operation platform of claim 4, wherein the rail has a chute;
the back iron is provided with a matching block;
the matching block is slidably connected to the sliding groove.
8. A construction method of a jacking operation platform as claimed in any one of claims 1 to 7, wherein the jacking operation platform has an attitude measurement system, and the construction method comprises:
s1, placing a track assembly in a shield tunnel, and installing a jacking operation platform and a push bench in place so that a posture adjustment vehicle can be slidably connected with the track assembly;
s2, importing design axis data into an informatization control platform, determining a rotation angle of a rotation module and a stroke of a jacking device by the informatization control platform according to data detected by a gesture measurement system, and completing gesture adjustment of a jacking operation platform according to the rotation angle and the stroke, so that an originating axis of the push bench meets the design axis requirement;
and S3, starting jacking construction, repeating the control process in the step S2 by the informationized control platform every time the jacking construction of a pipe joint is completed, adjusting the jacking axis and the posture of the pipe jacking machine, and finally completing tunneling construction of the branch tunnel.
9. The construction method of a jacking operation platform according to claim 8, wherein the attitude measurement system comprises a total station, a reflecting sheet and a laser target, the reflecting sheet is arranged on a back iron, the laser target is arranged on a push bench, and the total station is in communication connection with the informationized control platform;
in step S2, the informationized control platform starts the total station, the reflective sheet on the back iron and the initial coordinates of the laser target of the push bench are tested, the data are imported into the informationized control platform, the initial tunneling axis of the push bench is obtained through calculation, and compared with the design axis, if the difference value of the reflective sheet and the initial coordinates is within the allowable range, jacking construction is started, if the difference value of the reflective sheet and the laser target exceeds the allowable range, the three-dimensional offset value of the axis is calculated, the adjusted difference value is obtained, the new coordinates are calculated by the informationized control platform, the new coordinates are compared with the initial coordinates, the three-dimensional path of the back iron is obtained through calculation, the three-dimensional path of the adjustment of the bearing bracket is obtained through calculation according to the three-dimensional path of the back iron, finally, the rotation angle of the rotation module and the stroke of the jacking device are obtained, and accordingly, adjustment of the jacking operation platform is controlled to be completed, if the adjustment is still not met, the adjustment step is repeated for multiple times, and finally the initial axis of the push bench meets the design axis requirement.
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| CN202310475930.1A CN116220708B (en) | 2023-04-28 | 2023-04-28 | Jacking operation platform and construction method thereof |
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