CN109855612A - A kind of forced centering structure and its centering method for tunnel traverse survey inside tunnel - Google Patents
A kind of forced centering structure and its centering method for tunnel traverse survey inside tunnel Download PDFInfo
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- CN109855612A CN109855612A CN201910262686.4A CN201910262686A CN109855612A CN 109855612 A CN109855612 A CN 109855612A CN 201910262686 A CN201910262686 A CN 201910262686A CN 109855612 A CN109855612 A CN 109855612A
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- tunnel
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- stainless steel
- forced centering
- traverse survey
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Abstract
A kind of forced centering structure and its centering method for tunnel traverse survey inside tunnel, including bar steel plate, built-in type expansion bolt, shelf bracket, stainless steel bolt, stainless steel plate pedestal.Shelf bracket is fixed on tunnel double-lining or section of jurisdiction by setscrew, bar steel plate, and stainless steel plate is welded on pallet top, welds a stainless steel bolt among steel plate.Forced centering apparatus is placed in away from 1.8~2.0m high of tunnel internal rail top when use, on the lining of left and right side two of same mileage or section of jurisdiction, constructing tunnel is detachable after being completed, recycling.The present apparatus has easy to operate, at low cost, traverse survey precision height, stability good, survivable.Card prism head is come with the use of 360 °, prism direction need not be rotated, high-precision range measurement within the scope of 360 °, for tunnel traverse survey inside tunnel, influence of the gun parallax of error of centralization when measurement, camera lens and instrument sight to Measurement results precision can be reduced, be widely used in subway, tunnel construction control measurement.
Description
Technical field
The invention belongs to measuring tool technical fields, and in particular to a kind of forced centering for tunnel traverse survey inside tunnel
Structure and its centering method.
Background technique
In underground engineering, Tunnel construction survey work, due to polygon leg length, the error of centralization plays in traverse survey
Key effect, especially in Urban Metro Construction, subterranean tunnel design curve is more, radius is small, using conventional common cross
A series of problems, such as mark carries out traverse layout, and it is inconvenient that not only the error of centralization is big, instrument is set up, but also prism frequently rotates makes tunnel
Road measurement is extremely difficult to the piercing error of code requirement.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the object of the present invention is to provide one kind to be used for tunnel traverse survey inside tunnel
Forced centering structure and its centering method, the installation cost is low, easy to make, can be mass, the biggest advantage is to disappear
Influence in addition to the error of centralization to Measurement results, the flat pedestal of cooperation essence, 360 ° of prism heads use simultaneously, make measurement direction of visual lines without
Any dead angle greatly improves work efficiency and controls precision without rotating frequently prism direction.
In order to overcome the above-mentioned deficiencies of the prior art, the technical solution adopted by the present invention is that:
A kind of forced centering structure for tunnel traverse survey inside tunnel, including bar steel plate, steel plate are two pieces of setscrew peaces
Loaded on the molded section of jurisdiction of subway or on tunnel double-lining, the upper and lower angle of bracket, bracket upper horizontal is respectively welded in two pieces of bar steel plates
Soldering stainless steel plate, stainless steel plate centre soldering stainless steel bolt, stainless steel bolt connect total station or the flat pedestal of essence, total station
Or 360 ° of prism heads are installed on the flat pedestal of essence.
It is reinforced between the setscrew and steel plate using double nut.
The steel plate and bracket uses two-sided welding.
The stainless steel plate size is 200mm × 200mm × 5mm, is square shape
The stainless steel bolt is having a size of φ 16mm.
The bracket all uses φ 20mm round steel to carry out processing welding.
The stainless steel bolt should be greater than 300mm apart from tunnel duct piece or two lining distances, to reduce light folding by tube wall
Projection is rung.
The stainless steel bolt and stainless steel plate welding position must be polished flat, in order to total station pedestal or accurate adjustment base
Seat bottom surface connects closely connected with steel plate device top surface.
A kind of forced centering method for tunnel traverse survey inside tunnel, comprising the following steps:
Measuring point and fixed forced centering apparatus are arranged on completed two lining or tunnel segment structure from small mileage toward big mileage first,
When controlling net repetition measurement by equipment placement on measuring point, while observing the flat pedestal of essence in the adjacent measuring point of front and back, first group of measuring point with
Last group of measuring point only observes the flat pedestal of essence of above or below, this observation method can mainly be formed inside entire repetition measurement net
Multiple triangulation networks or four side net forms, the inside for increasing entire control net check condition.And so on, it observes always to tunnel digging
Carry sets point and forms closed polygon.
Compared with prior art, the advantageous effect of present invention is that:
A kind of detachable forced centering apparatus for tunnel traverse survey inside tunnel, device noumenon using live material processing and
At processing cost is low；Cooperate 360 ° of prisms that can meet any observation angle requirement under extreme conditions；Shelf bracket is using pre-
It buries expansion bolt and is attached fixation, may be reused；It drills in suitable targets position, using anchoring adhesive by expanding screw
Bolt is embedded on section of jurisdiction in advance, then entire bracket is installed on above pre-buried good expansion bolt, adjusts bracket water by spacer for bolt
Level state can tighten four bolts after bracket meets level requirement.After anchoring adhesive solidification, measurement target can be used as
Point uses.Measurement target multi-angle observation may be implemented in the present apparatus, applicability is wide, structure is simple, easy for installation, stability is strong,
Processing cost is low, occupies little space, easily recognizes, and has good promotion and application value.
Detailed description of the invention
Fig. 1 is front elevation of the invention；
Fig. 2 is side view of the invention；
Fig. 3 is top view of the invention；
Fig. 4 is live usage state diagram of the invention.
In figure: 1 bar steel plate, 2 built-in type expansion bolts, 3 Bracket for steel bar, 4 stainless steel bolts, 5 stainless steel plate pedestals, 6
The flat pedestal of essence, 7 360 degree of prism heads.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figures 1-4, a kind of forced centering structure for tunnel traverse survey inside tunnel, including bar steel plate 1,
It is characterized in that, steel plate 1 is that two pieces of setscrews 2 are installed on the molded section of jurisdiction of subway or on tunnel double-lining, two pieces of bar steel plates 1
Inferior horn on bracket 3 is respectively welded, level welding stainless steel plate 5 on bracket 3, the intermediate soldering stainless steel bolt 4 of stainless steel plate 5, no
The steel bolt 4 that becomes rusty connects total station or the flat pedestal 6 of essence, installs 360 ° of prism heads 7 on total station or the flat pedestal 6 of essence.
It is reinforced between the setscrew 2 and steel plate 1 using double nut.
The steel plate 1 and bracket 3 uses two-sided welding.
The stainless steel plate 5 is square shape having a size of 200mm × 200mm × 5mm
The stainless steel bolt 4 is having a size of φ 16mm.
The bracket 3 all carries out processing welding using φ 20mm round steel.
The stainless steel bolt 4 should be greater than 300mm apart from tunnel duct piece or two lining distances, to reduce light folding by tube wall
Projection is rung.
The stainless steel bolt 4 and 5 welding position of stainless steel plate must be polished flat, in order to total station pedestal or accurate adjustment
6 bottom surface of pedestal connects closely connected with 5 device top surface of steel plate.
A kind of forced centering method for tunnel traverse survey inside tunnel, comprising the following steps:
Measuring point and fixed forced centering apparatus are arranged on completed two lining or tunnel segment structure from small mileage toward big mileage first,
When controlling net repetition measurement by equipment placement on measuring point, while observing the flat pedestal of essence in the adjacent measuring point of front and back, first group of measuring point with
Last group of measuring point only observes the flat pedestal of essence of above or below, this observation method can mainly be formed inside entire repetition measurement net
Multiple triangulation networks or four side net forms, the inside for increasing entire control net check condition.And so on, it observes always to tunnel digging
Carry sets point and forms closed polygon.
By taking certain sharp radius curve as an example, in all point layouts and fixed forced centering apparatus, first will when controlling net repetition measurement
For equipment placement in disposing the flat pedestal of 3# and 4# essence in No. Z1 control point, above measuring point Z2 and Y2 simultaneously, instrument and pedestal essence are flat
Afterwards using whole station view Free Station observation method successively from the angle and distance of the flat pedestal of in-motion viewing 3# and 4# essence, measurement is finished and is examined
After looking into qualification, by equipment placement in the angle for the angle and distance in No. Y1 control point, equally observing the flat pedestal of 3# and 4# essence
And distance.When in No. Z2 control point of equipment placement, the angle and distance of the flat pedestal of 1#, 2#, 6#, 5# essence is successively observed, when
When in No. Y2 control point of equipment placement, the angle and distance of the flat pedestal of 1#, 2#, 6#, 5# essence, this observation side are equally successively observed
Method can mainly form multiple triangulation networks or four side net forms inside entire repetition measurement net, and the inside for increasing entire control net checks
Condition.And so on, it observes always to tunnel piercing position point and forms closed polygon.
Claims (9)
1. a kind of forced centering structure for tunnel traverse survey inside tunnel, including bar steel plate (1), which is characterized in that steel plate
(1) it is installed on the molded section of jurisdiction of subway or on tunnel double-lining for two pieces of setscrews (2), two pieces of bar steel plates (1) are welded respectively
Connect inferior horn on bracket (3), bracket (3) upper horizontal soldering stainless steel plate (5), the intermediate soldering stainless steel bolt of stainless steel plate (5)
(4), stainless steel bolt (4) connection total station or the flat pedestal (6) of essence, measure and install 360 ° of prism heads on Shi Jingping pedestal (6)
(7).
2. a kind of forced centering structure for tunnel traverse survey inside tunnel according to claim 1, which is characterized in that institute
It is reinforced between the setscrew (2) stated and steel plate (1) using double nut.
3. a kind of forced centering structure for tunnel traverse survey inside tunnel according to claim 1, which is characterized in that institute
The steel plate (1) and bracket (3) stated use two-sided welding.
4. a kind of forced centering structure for tunnel traverse survey inside tunnel according to claim 1, which is characterized in that institute
The stainless steel plate (5) stated is square shape having a size of 200mm × 200mm × 5mm.
5. a kind of forced centering structure for tunnel traverse survey inside tunnel according to claim 1, which is characterized in that institute
The stainless steel bolt (4) stated is having a size of φ 16mm.
6. a kind of forced centering structure for tunnel traverse survey inside tunnel according to claim 1, which is characterized in that institute
The bracket (3) stated all carries out processing welding using φ 20mm round steel.
7. a kind of forced centering structure for tunnel traverse survey inside tunnel according to claim 1, which is characterized in that institute
The stainless steel bolt (4) stated should be greater than 300mm apart from tunnel duct piece or two lining distances, to reduce tube wall side anaclasis to measurement
The influence of sight.
8. a kind of forced centering structure for tunnel traverse survey inside tunnel according to claim 1, which is characterized in that institute
The stainless steel bolt (4) and stainless steel plate (5) welding position stated must be polished flat, in order to total station pedestal or accurate adjustment pedestal
(6) bottom surface connects closely connected with steel plate (5) device top surface.
9. a kind of forced centering method for tunnel traverse survey inside tunnel, which comprises the following steps:
Measuring point and fixed forced centering apparatus are arranged on completed two lining or tunnel segment structure from small mileage toward big mileage first,
When controlling net repetition measurement by equipment placement on measuring point, while observing the flat pedestal of essence in the adjacent measuring point of front and back, first group of measuring point with
Last group of measuring point only observes the flat pedestal of essence of above or below, this observation method can mainly be formed inside entire repetition measurement net
Multiple triangulation networks or four side net forms, the inside for increasing entire control net check condition；
And so on, it observes always to tunnel piercing position point and forms closed polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262686.4A CN109855612A (en) | 2019-04-02 | 2019-04-02 | A kind of forced centering structure and its centering method for tunnel traverse survey inside tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262686.4A CN109855612A (en) | 2019-04-02 | 2019-04-02 | A kind of forced centering structure and its centering method for tunnel traverse survey inside tunnel |
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| CN109855612A true CN109855612A (en) | 2019-06-07 |
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Cited By (4)
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| CN110173270A (en) * | 2019-06-28 | 2019-08-27 | 晏强 | A kind of shield measurement total station hanging basket equipment |
| CN110332928A (en) * | 2019-08-14 | 2019-10-15 | 中铁隧道局集团有限公司 | A kind of mobile forced centering tray rack and its application method |
| CN111636877A (en) * | 2020-04-29 | 2020-09-08 | 中交二航局第三工程有限公司 | Manufacturing method of forced centering bracket with pre-buried sliding groove and T-shaped bolt |
| CN111854717A (en) * | 2020-08-28 | 2020-10-30 | 广州市盾建地下工程有限公司 | Bracket device for tunnel engineering wire net measurement and measurement method thereof |
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| CN201964889U (en) * | 2011-01-26 | 2011-09-07 | 中铁一局集团有限公司 | Forced centering tray of plane control points in shield tunnel |
| CN102174893A (en) * | 2011-03-16 | 2011-09-07 | 中铁第一勘察设计院集团有限公司 | Testing method for laying ballastless tracks in early stage before overall completion of super long tunnel |
| CN205858357U (en) * | 2016-06-21 | 2017-01-04 | 中国电建集团铁路建设有限公司 | Shield range restraint measures the mounting structure of forced centering bracket |
| CN106681374A (en) * | 2017-02-20 | 2017-05-17 | 中铁二十四局集团浙江工程有限公司 | Full-automatic collimation control method |
| CN106895820A (en) * | 2017-02-09 | 2017-06-27 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation measuring method of tunnel shaft |
| CN207622748U (en) * | 2017-10-25 | 2018-07-17 | 杜志刚 | A kind of high-precision Tunnel construction survey backsight forced centering apparatus |
| CN109357667A (en) * | 2018-09-30 | 2019-02-19 | 陕西省引汉济渭工程建设有限公司 | The method of network forming form tunnel plane connection survey |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201964889U (en) * | 2011-01-26 | 2011-09-07 | 中铁一局集团有限公司 | Forced centering tray of plane control points in shield tunnel |
| CN102174893A (en) * | 2011-03-16 | 2011-09-07 | 中铁第一勘察设计院集团有限公司 | Testing method for laying ballastless tracks in early stage before overall completion of super long tunnel |
| CN205858357U (en) * | 2016-06-21 | 2017-01-04 | 中国电建集团铁路建设有限公司 | Shield range restraint measures the mounting structure of forced centering bracket |
| CN106895820A (en) * | 2017-02-09 | 2017-06-27 | 中铁二十四局集团浙江工程有限公司 | The reverse coordinate transmission cultellation measuring method of tunnel shaft |
| CN106681374A (en) * | 2017-02-20 | 2017-05-17 | 中铁二十四局集团浙江工程有限公司 | Full-automatic collimation control method |
| CN207622748U (en) * | 2017-10-25 | 2018-07-17 | 杜志刚 | A kind of high-precision Tunnel construction survey backsight forced centering apparatus |
| CN109357667A (en) * | 2018-09-30 | 2019-02-19 | 陕西省引汉济渭工程建设有限公司 | The method of network forming form tunnel plane connection survey |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173270A (en) * | 2019-06-28 | 2019-08-27 | 晏强 | A kind of shield measurement total station hanging basket equipment |
| CN110332928A (en) * | 2019-08-14 | 2019-10-15 | 中铁隧道局集团有限公司 | A kind of mobile forced centering tray rack and its application method |
| CN111636877A (en) * | 2020-04-29 | 2020-09-08 | 中交二航局第三工程有限公司 | Manufacturing method of forced centering bracket with pre-buried sliding groove and T-shaped bolt |
| CN111854717A (en) * | 2020-08-28 | 2020-10-30 | 广州市盾建地下工程有限公司 | Bracket device for tunnel engineering wire net measurement and measurement method thereof |
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