CN109403984B - Automatic guiding system for long-distance curve jacking pipe - Google Patents
Automatic guiding system for long-distance curve jacking pipe Download PDFInfo
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- CN109403984B CN109403984B CN201811413995.9A CN201811413995A CN109403984B CN 109403984 B CN109403984 B CN 109403984B CN 201811413995 A CN201811413995 A CN 201811413995A CN 109403984 B CN109403984 B CN 109403984B
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- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 20
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000005641 tunneling Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 17
- 238000005259 measurement Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
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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
- E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses an automatic guiding system for a long-distance curve jacking pipe, which comprises the following components: the pipe jacking machine is arranged in the tunnel, and a laser target is arranged on the machine head of the pipe jacking machine; the initial total station is provided with a first prism and is arranged on a bracket in a tunnel starting wellhead; the secondary total stations are sequentially arranged on tunnel segments which advance along with the pipe jacking machine and cannot be seen through, and the tunnel segments are arranged between the laser targets and the initial total stations; a rearview prism which is arranged on the wall of the tunnel starting wellhead; the initial total station and the secondary total stations are all connected with a computer in a communication mode. The automatic guiding system for the long-distance curve pipe jacking can automatically measure the gesture of the pipe jacking machine in the long-distance curve pipe jacking tunnel, guide the tunneling construction of the pipe jacking machine, and has the advantages of simple structure, convenience in use, high measuring precision, good guiding effect and the like.
Description
Technical Field
The invention relates to the technical field of pipe jacking guiding, in particular to an automatic guiding system for a long-distance curve pipe jacking.
Background
The pipe-jacking tunneling technology is an engineering construction technology of underground excavation, is a new technology for paving pipelines in water conservancy water delivery, water supply and irrigation engineering, which is developed along with the development of modern underground engineering, transportation, municipal construction and electric communication facilities, and can avoid open excavation when the pipelines pass through roads and rivers, and does not influence road traffic and river drainage in the construction process. Generally, under the conditions of longer tunnel axis and larger burial depth, the pipe jacking technology is more economical and reasonable.
The pipe jacking construction is a pipeline burying construction technology without or with less excavation, namely, the jacking force generated by jacking equipment in a working pit overcomes the friction force between the pipeline and surrounding soil, the pipeline is jacked into the soil according to the designed gradient, the earthwork is carried away, one section of pipe is jacked into the soil layer, and then a second section of pipe is jacked continuously.
The pipe jacking construction involves laying or replacing underground pipelines by utilizing the technique of less excavation, namely excavation of a working well and a receiving well, and no excavation, namely pipeline non-excavation, and the diameter DN of the pipe jacking is 800-4500. The pipe to be buried is jacked into the soil through the working well, the pipe in one working well can pass through more than 1500 meters underground and can also pass through curves so as to bypass some underground pipelines or barriers, and pipe jacking construction is widely used for trenchless laying of various pipelines such as urban underground water supply and drainage pipelines, natural gas and oil pipelines, communication cables and the like in coastal economic developed areas of China. It can cross any building on road, railway, bridge, mountain, river, strait and ground. By adopting the technology for construction, the construction method can save a great amount of land removal cost, reduce environmental pollution and road blockage, and has obvious economic and social benefits.
At present, the pipe jacking technology has been developed to a very mature stage, and a ventilation system, a grouting antifriction technology, a slag discharging technology, a cutterhead cutting system, a propulsion system, a soil discharging conveying system, a power supply hydraulic system and the like of the pipe jacking technology have been fully developed and perfected, so that the thrust problem of long-distance curve pipe jacking is solved by the breakthrough of the inter-relay technology, and long-distance pipe jacking construction with a distance of more than 2500 meters can be realized.
Although the technologies of pipe jacking are very mature, the pipe jacking measurement guiding has no application of new technologies, in long-distance pipe jacking construction, measurement work occupies a great deal of time, the progress of pipe jacking construction and the economic benefit are seriously influenced, and the current pipe jacking construction measurement guiding technology comprises the following steps:
1. traditional measurement methods: and installing a prism on the pipe push bench, measuring from beginning to end (namely from the inside of the starting well) each time, calculating the prism coordinate on the pipe push bench, and converting the center coordinate of the machine head according to the prism coordinate. However, when the tunnel is longer and longer along with the continuous construction, the measurement time is longer and longer, and the construction requirement cannot be met. Another disadvantage with conventional measuring methods is that the measuring work can only be performed with the tunneling stopped, the machine being in a "blind" state during tunneling. Any deviation that occurs during the machine tunneling process can only be measured manually after waiting for the position of the machine to be determined before it can be corrected, and immediate remedial action cannot be taken.
2. Manual measurement: before the pipe joint is jacked in, the position and the posture of the pipe push bench are measured through a conventional measuring means, the deviation is calculated manually, and an operation engineer of the pipe push bench digs the next ring according to the deviation given by the measuring engineer. In the whole-ring tunneling process, an operation engineer cannot know the position and the posture of the current push bench, only judges according to experience and feel, cannot realize the requirement of guiding real-time of push bench construction measurement, and in addition, when the push bench is jacked for a certain distance, the measurement engineer needs to guide and measure a coordinate reference from a working well to the position of the push bench, a great amount of time is required for measuring the position and the posture of the push bench, and the requirement of accurate and efficient push bench construction requirement measurement cannot be met.
3. Laser theodolite guiding: the technology has the advantages that the target is installed on the push bench, the laser theodolite is installed in the working well, the laser theodolite emits laser beams, red light spots are formed on the target, the laser beams are adjusted to be parallel to the design axis in advance, the position change of the laser light spots on the target is the position change of the push bench, the technology can intuitively provide the position change of the push bench for an operation engineer, the real-time performance of data is also achieved, and the following defects exist: (1) measurement data cannot be saved; (2) the method can only be used for linear pipe jacking engineering with jacking distance smaller than 400 meters; (3) the attitude angle of the push bench cannot be measured; due to the problems, the measurement requirements of the long-distance curve jacking engineering developed at present cannot be met.
4. Measurement robot guidance: the method can also be used for adding the measuring robot between the working well and the push bench to achieve the purpose of coordinate reference transmission so as to be applied to long-distance curve push bench. The technology has data real-time property, but has the following problems through field application: (1) because serious atmospheric refraction exists in the pipe-jacking tunnel, when the distance between the measuring robot and the pipe-jacking machine exceeds 100 meters, the measuring elevation error is too large, and the data accuracy cannot meet the requirements; (2) if a measuring robot is added between the working well and the push bench so as to reduce the influence of atmospheric refraction, at the moment, the transmission error of the plane coordinates (X, Y) is too large, the consistency of data is poor, the aim of measuring and guiding cannot be achieved, in addition, the measuring robot is added, and the added cost is too large.
The measurement guiding techniques have a plurality of problems and are not suitable for the measurement of long-distance curve pipe-jacking tunnels.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
The invention also aims to provide an automatic guiding system for the long-distance curve pipe jacking, which can realize automatic measurement of the posture of the pipe jacking machine in the long-distance curve pipe jacking tunnel, guide the tunneling construction of the pipe jacking machine and has the advantages of simple structure, convenience in use, high measuring precision, good guiding effect and the like.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a long-distance curved push pipe automatic guiding system comprising:
the pipe jacking machine is arranged in the tunnel, and a laser target is arranged on the machine head of the pipe jacking machine;
the initial total station is provided with a first prism and is arranged on a bracket in a tunnel starting wellhead;
the secondary total stations are sequentially arranged on tunnel segments which advance along with the pipe jacking machine and cannot be seen through, and the tunnel segments are arranged between the laser targets and the initial total stations;
a rearview prism which is arranged on the wall of the tunnel starting wellhead;
wherein, the initial total station and the plurality of secondary total stations are all connected with a computer in a communication way;
wherein, the support includes:
the sleeve, its vertical setting, the sleeve endotheca is equipped with the slide bar, the slide bar can follow sleeve axis direction and slide, the slide bar is equipped with a plurality of recesses along its length direction, the sleeve periphery is equipped with a plurality of through-holes, the through-hole with recess one-to-one all is equipped with the spring in every recess, and its one end of a reference column passes through the through-hole, recess and links firmly with the spring, and when the spring compression was to the nadir, one end of reference column was located the recess, and when the spring was in natural state, the other end of reference column was located outside the through-hole, initial total station installs on the slide bar top.
Preferably, the automatic guiding system of long-distance curve jacking pipe, the top end of the sliding rod is horizontally provided with a fixed plate, the upper end face of the fixed plate is provided with an inverted T-shaped sliding groove along the length direction, the lower end of a sliding block is provided with a bulge matched with the T-shaped sliding groove, the sliding block is connected with the sliding groove in a sliding manner through the bulge, and the initial total station is arranged at the upper end of the sliding block.
Preferably, in the long-distance curve jacking pipe automatic guiding system, a rotating shaft is arranged at the upper end of the sliding block, a mounting hole is arranged at the position, corresponding to the rotating shaft, of the lower end face of the base, the rotating shaft stretches into the mounting hole, the base can rotate around the rotating shaft, and the initial total station is mounted at the upper end of the base.
Preferably, in the long-distance curve jacking pipe automatic guiding system, a plurality of reflecting prisms are arranged in front of the tunnel pipe wall corresponding to each secondary total station along the circumferential direction.
Preferably, in the long-distance curve jacking pipe automatic guiding system, the reflecting prisms are positioned 20-50 m in front of the tunnel pipe wall corresponding to the secondary total station, and the number of the reflecting prisms is not less than 3.
Preferably, in the long-distance curve jacking pipe automatic guiding system, the lower end of the sleeve is connected with a piston rod of a hydraulic cylinder.
Preferably, the long-distance curve jacking pipe automatic guiding system is characterized in that the base is cylindrical, a fixing block is arranged on the periphery of the base, a positioning hole is formed in the fixing block, a plurality of positioning grooves are circumferentially formed in the upper end face of the sliding block, located outside the rotating shaft, and a positioning rod can penetrate through the positioning hole and extend into the positioning grooves so that the base is fixed.
The invention at least comprises the following beneficial effects:
1. the automatic guiding system for the long-distance curve pipe jacking can automatically measure the gesture of the pipe jacking machine in the long-distance curve pipe jacking tunnel, guide the tunneling construction of the pipe jacking machine, and has the advantages of simple structure, convenience in use, high measuring precision, good guiding effect and the like. And the initial total station is arranged on the bracket, and the initial adjustment of the installation positions of the total station up, down, left and right can be realized through the bracket.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of one technical scheme of the long-distance curved jacking pipe automatic guiding system of the present invention;
FIG. 2 is a schematic diagram illustrating installation of a plurality of secondary total stations according to one embodiment of the present invention;
FIG. 3 is a schematic view illustrating installation of a reflecting prism according to one embodiment of the present invention;
FIG. 4 is a schematic structural view of a bracket according to one embodiment of the present invention;
fig. 5 is a side view of a fixing plate according to one embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that, in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 5, an automatic guiding system for a long-distance curved push pipe includes:
the pipe jacking machine 1 is arranged in a tunnel 2, and a laser target 11 is arranged on the machine head of the pipe jacking machine 1;
an initial total station 3, on which a first prism is arranged, the initial total station 3 being arranged on a support in a tunnel originating wellhead 21;
the secondary total stations 4 are respectively provided with a second prism, and the secondary total stations 4 are sequentially arranged on tunnel segments which advance along with the pipe jacking machine and cannot be seen between the laser targets 11 and the initial total stations 3;
a rearview prism 22 mounted on a wall of the tunnel originating wellhead 21;
wherein, the initial total station 3 and the plurality of secondary total stations 4 are all connected with a computer in a communication way;
wherein, the support includes:
the sleeve 61, its vertical setting, the sleeve 61 endotheca is equipped with slide bar 62, slide bar 62 can follow sleeve axis direction and slide bar 62 is equipped with a plurality of recesses 63 along its length direction, sleeve 61 periphery is equipped with a plurality of through-holes, the through-hole with recess 63 one-to-one all is equipped with spring 65 in every recess 63, and its one end of a reference column 64 passes through the through-hole, recess 63 and links firmly with spring 65, and when spring 65 compressed to the nadir, one end of reference column 64 is located recess 63, and when spring 65 is in natural state, the other end of reference column 64 is located outside the through-hole, initial total station 3 installs on slide bar 62 top.
The invention relates to an automatic guiding system for a long-distance curve pipe jacking, wherein an initial total station 3 and a secondary total station 4 are existing total stations, such as a Tianbao total station in the United states, when the automatic guiding system is used, a laser target 11 is arranged on a pipe jacking machine 1 of a tunnel, then a rearview prism 22 is arranged on the wall of a tunnel starting wellhead 21, the initial total station 3 is arranged in the tunnel starting wellhead 21, firstly, the initial total station 3 is controlled by a computer to firstly measure the rearview prism from the tunnel starting wellhead to carry out rearview orientation, then the coordinates of the laser target 11 are measured, so that the position of the pipe jacking machine 1 is calculated, and the mileage and deviation of the pipe jacking machine 1 at the moment are calculated by comparing with a designed line; when the initial total station 3 cannot measure the laser target 11, a first secondary total station 4 is arranged on a tunnel segment which advances along with the pipe jacking machine between the laser target 11 and the initial total station 3, a computer controls the initial total station 3 to measure a rearview prism 22 for rearview orientation, then the first secondary total station 4 is measured to calculate the coordinates of the first secondary total station 4, the first secondary total station 4 is made to carry out rearview orientation again by taking the measurement data of the initial total station 3 as a reference, the coordinates of the laser target are measured by the first secondary total station 4 so as to calculate the position of the pipe jacking machine 1, and the mileage and deviation at the moment of the pipe jacking machine are calculated by comparing with a design line; along with tunneling of the push bench 1, when the initial total station 3 cannot measure the first secondary total station 4, adding a second secondary total station 4 on a tunnel segment between the first secondary total station 4 and the initial total station 3, controlling the initial total station 3 to measure a rearview prism to perform rearview orientation by a computer, and measuring the second secondary total station 4 to calculate coordinates of the second total station 4 so that the second total station 4 performs rearview orientation again by taking measurement data of the initial total station 3 as a reference; the computer controls the second total station 4 to measure the coordinates of the first total station 4, so that the first total station 4 carries out rearview orientation again by taking the measured data of the second total station 4 as a reference, and the first total station 4 measures the coordinates of the laser target 11 to calculate the position of the push bench 1, and the position is compared with a designed line to calculate the mileage and deviation of the push bench 1 at the moment; and a plurality of secondary total stations 4 are added in turn by analogy to continuously calculate new mileage and deviation of the push bench. The installation positions of the plurality of secondary total stations 4 are as shown in fig. 2, that is, the plurality of secondary total stations 4 are sequentially installed on a tunnel segment which moves forward along with the push bench and cannot be seen between the laser target 11 and the initial total station 3, and the plurality of secondary total stations 4 are not located on a straight line. The initial total station 3 is mounted on a bracket, the spring 65 is compressed to the lowest point by pressing the positioning column 64, then the sliding rod 62 is slid upwards or downwards, after the positioning column 64 is loosened, the positioning column 64 is clamped in a through hole (not shown) so as to fix the sliding rod 62, and in this way, the mounting height of the initial total station 3 can be adjusted up and down, so that tunnels with different heights are adapted.
In another technical scheme, in the automatic guiding system for long-distance curved jacking pipes, a fixing plate 7 is horizontally arranged at the top end of the sliding rod 62, an inverted T-shaped sliding groove 71 is formed in the upper end face of the fixing plate 7 along the length direction, a protrusion matched with the T-shaped sliding groove 71 is arranged at the lower end of a sliding block 8, the sliding block 8 is slidably connected with the sliding groove 71 through the protrusion, and the initial total station 3 is mounted at the upper end of the sliding block 8. In the present embodiment, the protrusion on the slider 8 can slide left and right along the T-shaped chute 71, and the initial total station 3 is mounted on the slide, so that the mounting position of the initial total station 3 can be adjusted in the horizontal direction.
In another technical scheme, in the automatic guiding system for long-distance curved jacking pipe, a rotating shaft 81 is arranged at the upper end of the sliding block 8, a mounting hole (not shown) is arranged at the position, corresponding to the rotating shaft 81, of the lower end face of the base 9, the rotating shaft 81 extends into the mounting hole, the base 9 can rotate around the rotating shaft 81, and the initial total station 3 is mounted at the upper end of the base. In the present embodiment, the base 9 is rotated about the rotation shaft 81, thereby rotating the initial total station 3, so that the angle of the initial total station 3 can be further adjusted.
In another technical scheme, in the long-distance curve jacking pipe automatic guiding system, a plurality of reflecting prisms 5 are arranged in front of the tunnel pipe wall corresponding to each secondary total station 4 along the circumferential direction. In the technical scheme, the circular shape of the section of the pipeline is fitted through the plurality of reflecting prisms 5, and if the computer detects that the circular center position of the section changes, the section is deformed, so that the detection effect is achieved.
In another technical scheme, in the long-distance curve jacking pipe automatic guiding system, the reflecting prisms 5 are positioned 20-50 m in front of the tunnel pipe wall corresponding to the secondary total station 4, and the number of the reflecting prisms is not less than 3.
In another technical scheme, in the long-distance curve jacking pipe automatic guiding system, the lower end of the sleeve 61 is connected with a piston rod of a hydraulic cylinder. In this embodiment, the sleeve 61 is connected to the piston rod of the hydraulic cylinder, and the mounting height of the initial total station 3 is further adjusted by the extension and contraction of the piston rod.
In another technical scheme, the long-distance curved jacking pipe automatic guiding system is characterized in that the base 9 is cylindrical, a fixing block 91 is arranged on the periphery of the base 9, a positioning hole is formed in the fixing block 91, a plurality of positioning grooves 82 are circumferentially formed in the upper end face of the sliding block 8, located outside the rotating shaft, and a positioning rod 92 can penetrate through the positioning hole and extend into the positioning grooves 82 so that the base 9 is fixed. In this embodiment, the base 9 is fixed by rotating the base 9 by the fixing block 91 and then inserting the positioning rod 92 into the positioning groove 82.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (4)
1. Automatic guiding system of long distance curve push pipe, its characterized in that includes:
the pipe jacking machine is arranged in the tunnel, and a laser target is arranged on the machine head of the pipe jacking machine;
the initial total station is provided with a first prism and is arranged on a bracket in a tunnel starting wellhead;
the secondary total stations are sequentially arranged on tunnel segments which advance along with the pipe jacking machine and cannot be seen through, and the tunnel segments are arranged between the laser targets and the initial total stations;
a rearview prism which is arranged on the wall of the tunnel starting wellhead;
wherein, the initial total station and the plurality of secondary total stations are all connected with a computer in a communication way;
wherein, the support includes:
the automatic total station comprises a sleeve, a plurality of grooves, a plurality of through holes, a positioning column and an initial total station, wherein the sleeve is vertically arranged, a sliding rod is sleeved in the sleeve, the sliding rod can slide along the axial direction of the sleeve, the sliding rod is provided with the plurality of grooves along the length direction of the sliding rod, the periphery of the sleeve is provided with the plurality of through holes, the through holes correspond to the grooves one by one, the spring is arranged in each groove, one end of the positioning column penetrates through the through holes and the grooves and is fixedly connected with the spring, when the spring is compressed to the lowest point, one end of the positioning column is positioned in the groove, when the spring is in a natural state, the other end of the positioning column is positioned outside the through holes, and the initial total station is arranged at the top end of the sliding rod; the lower end of the sleeve is connected with a piston rod of a hydraulic cylinder;
the top end of the sliding rod is horizontally provided with a fixed plate, the upper end surface of the fixed plate is provided with an inverted T-shaped sliding groove along the length direction, the lower end of a sliding block is provided with a protrusion matched with the T-shaped sliding groove, the sliding block is connected with the sliding groove in a sliding way through the protrusion, and the initial total station is arranged at the upper end of the sliding block;
the upper end of the sliding block is provided with a rotating shaft, the lower end surface of the base is provided with a mounting hole corresponding to the rotating shaft, the rotating shaft stretches into the mounting hole, the base can rotate around the rotating shaft, and the initial total station is mounted at the upper end of the base;
the initial total station is arranged on the bracket, the spring is compressed to the lowest point by pressing the positioning column, then the sliding rod is upwards or downwards slid, after the positioning column is loosened, the positioning column is clamped in the through hole to fix the sliding rod, and the installation height of the initial total station is adjusted up and down in the mode, so that the initial total station is suitable for tunnels with different heights;
the bulge on the slide block slides left and right along the T-shaped slide groove, and the initial total station is arranged on the slide block, so that the installation position of the initial total station is adjusted in the horizontal direction.
2. The long-distance curve jacking pipe automatic guiding system according to claim 1, wherein a plurality of reflecting prisms are circumferentially arranged in front of the tunnel pipe wall corresponding to each secondary total station.
3. The automatic guiding system for long-distance curve jacking pipes according to claim 2, wherein the reflecting prisms are positioned 20-50 m in front of the tunnel pipe wall corresponding to the secondary total station, and the number of the reflecting prisms is not less than 3.
4. The automatic guiding system for long-distance curved jacking pipes according to claim 1, wherein the base is cylindrical, a fixing block is arranged on the periphery of the base, a positioning hole is formed in the fixing block, a plurality of positioning grooves are circumferentially formed in the upper end face of the sliding block, located outside the rotating shaft, and a positioning rod can penetrate through the positioning hole and extend into the positioning grooves to fix the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413995.9A CN109403984B (en) | 2018-11-26 | 2018-11-26 | Automatic guiding system for long-distance curve jacking pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413995.9A CN109403984B (en) | 2018-11-26 | 2018-11-26 | Automatic guiding system for long-distance curve jacking pipe |
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| CN109403984A CN109403984A (en) | 2019-03-01 |
| CN109403984B true CN109403984B (en) | 2024-02-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112253844B (en) * | 2020-09-29 | 2022-04-22 | 北京政平建设投资集团有限公司 | Self-monitoring guide rail |
| CN112781573A (en) * | 2021-01-25 | 2021-05-11 | 中国铁工投资建设集团有限公司 | Push pipe auxiliary measurement system, device and use method |
| CN112902845B (en) * | 2021-03-04 | 2022-07-08 | 黄河勘测规划设计研究院有限公司 | Track type pipe jacking automatic guiding method |
| CN113216985B (en) * | 2021-06-03 | 2022-02-08 | 中建安装集团南京建设有限公司 | Real-time intelligent monitoring system for long-distance curve jacking pipe |
| CN116857432B (en) * | 2023-06-21 | 2024-03-22 | 金中天水利建设有限公司 | Pipe jacking device and pipe jacking construction method thereof |
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