CN208921129U - A kind of contact network in tunnel trackless construction survey instrument - Google Patents
A kind of contact network in tunnel trackless construction survey instrument Download PDFInfo
- Publication number
- CN208921129U CN208921129U CN201822031587.9U CN201822031587U CN208921129U CN 208921129 U CN208921129 U CN 208921129U CN 201822031587 U CN201822031587 U CN 201822031587U CN 208921129 U CN208921129 U CN 208921129U
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- CN
- China
- Prior art keywords
- superelevation
- pedestal
- horizontal gird
- contact network
- sliding rail
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Excavating Of Shafts Or Tunnels (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of contact network in tunnel trackless construction survey instrument of the utility model, belongs to Tunnel Engineering field of measuring technique；The technical problem to be solved is that provide the contact network in tunnel trackless construction survey instrument that manufacturing cost is low, measurement accuracy is high, high-efficient；Solve the technical solution of technical problem use are as follows: the utility model instrument includes two vertical adjusting support rods, horizontal gird pedestal is arranged on vertical adjusting support rod, side above horizontal gird pedestal, which is fitted vertically, is provided with superelevation adjusting card column, one end of superelevation adjusting crossbeam and horizontal gird pedestal are hinged, superelevation adjusts the other end of crossbeam and superelevation adjusts card column and fixes, accurate sliding rail is fixed on the top of superelevation adjusting crossbeam, steel ruler is arranged in parallel with beside accurate sliding rail, accurate sliding rail is equipped with sliding block, first laser rangefinder is fixed on sliding block, the laser beam that first laser rangefinder projects is vertical with accurate sliding rail.
Description
Technical field
A kind of contact network in tunnel trackless construction survey instrument of the utility model, belongs to Tunnel Engineering field of measuring technique.
Background technique
Rail traffic is a very extensive system, and rail traffic includes general iron, subway, local railway, now rail
Road traffic is all-round developing to traction power supply mode.When constructing in rail tunnel, often it is faced with civil engineering and lays a railway track
Construction lags, and unit is constructed after serious pressing station, and more unit crossed constructions, substantially increases the difficulty of construction of contact net.
To guarantee that duration progress, contact net profession need to carry out installation exercise before unit of laying a railway track is not marched into the arena, the difficulty of trackless construction it is aobvious and
It is clear to.To guarantee quality, the precision for improving the construction of contact net trackless is particularly important.
Railway traffic contact network construction is usually that related net means installation is just carried out after the completion of track laying coarse adjustment,
Contact network construction is carried out in the case of trackless, reference point only has civil engineering or CPI the or CPII datum mark of unit offer of laying a railway track, passes through figure
Paper and datum mark measure wire center absolute altitude, and device for positioning and supporting installation site can guarantee the construction precision of contact net.
The measuring technique of contact network in tunnel trackless construction at present is calculated by a large amount of coordinate points, easily occurs calculating wrong
Accidentally, and using level and total station turning point is carried out, in the higher place of head room even with 10 meters or more of Sopwith staff.Tower
Ruler compared with it is long be that amplitude of fluctuation is big, increase the error of measurement.Therefore it needs to recalculate seat after finding mistake in measurement process
Punctuate, project amount is big, and measurement efficiency is low, is unsatisfactory for construction speed and precision.
Utility model content
A kind of contact network in tunnel trackless construction survey instrument of the utility model, overcomes the shortcomings of the prior art,
Provide the contact network in tunnel trackless construction survey instrument that manufacturing cost is low, measurement accuracy is high, high-efficient.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted in the utility model are as follows: contact network in tunnel trackless
Construction survey instrument, including two vertical adjusting support rods, horizontal gird pedestal are arranged on vertical adjusting support rod, horizontal horizontal
Side above beam bottom seat, which is fitted vertically, is provided with superelevation adjusting card column, and superelevation adjusts one end and the horizontal gird pedestal of crossbeam
Hingedly, superelevation adjusts the other end of crossbeam and superelevation adjusts card column and fixes, and is fixed with accurate cunning on the top of superelevation adjusting crossbeam
Rail, steel ruler is arranged in parallel with beside accurate sliding rail, and accurate sliding rail is equipped with sliding block, is fixed with first laser ranging on sliding block
Instrument, the laser beam that first laser rangefinder projects are vertical with accurate sliding rail.
Further, the vertical adjusting support rod is fixedly linked with horizontal gird pedestal by quick barbell buckle.
Further, it is hinged by shaft with the horizontal gird pedestal to adjust crossbeam for the superelevation.
It further, further include total station prism, the top of shaft is arranged in prism for total station.
It further, further include second laser rangefinder, second laser rangefinder is arranged under the horizontal gird pedestal
Side, the laser beam that second laser rangefinder projects are vertical with the horizontal gird pedestal.
The utility model has the advantages that compared with prior art.
The utility model instrument can measure the installation data of contact network in tunnel support structure in trackless, have system
Make it is at low cost, it is easy to use, calculate it is simple, the characteristics of less input manpower.
Detailed description of the invention
Fig. 1 is the main view of the utility model instrument embodiment.
Fig. 2 is the top view of the utility model instrument embodiment.
Fig. 3 is the operation schematic diagram of the utility model.
Fig. 4 is the partial enlarged view of A in Fig. 3.
In figure, 1- vertical adjusting support rod, 2- horizontal gird pedestal, 3- total station prism, 4- first laser rangefinder,
5- shaft, 6- superelevation adjust crossbeam, 7- precision sliding rail, 8- sliding block, 9- superelevation adjusting card column, the quick barbell buckle of 10-, 11- steel
Ruler, 12- second laser rangefinder, 13- davit, 14- davit bottom plate.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of contact network in tunnel trackless construction survey instrument of the utility model, including two vertical
Support rod 1 is adjusted, horizontal gird pedestal 2 is arranged on vertical adjusting support rod 1, vertical adjusting support rod 1 and horizontal gird bottom
Seat 2 is fixedly linked by quick barbell buckle 10.The side of 2 top of horizontal gird pedestal, which is fitted vertically, is provided with superelevation adjusting
Card column 9, superelevation adjust crossbeam 6 one end and horizontal gird pedestal 2 it is hinged by shaft 5, superelevation adjust the other end of crossbeam 6 with
Superelevation adjusts card column 9 and fixes, and is fixed with accurate sliding rail 7 on the top of superelevation adjusting crossbeam 6, the side of accurate sliding rail 7 is set in parallel
It is equipped with steel ruler 11, accurate sliding rail 7 is equipped with sliding block 8, is fixed with first laser rangefinder 4, first laser rangefinder 4 on sliding block 8
The laser beam of injection is vertical with accurate sliding rail 7.
The utility model instrument, can be convenient for disassembly and assembly in moving process using quick barbell buckle 10, is adjusting water
When flat beam base 2, it can quickly be adjusted to horizontal position.
The utility model instrument further includes total station prism 3, and the top of shaft 5 is arranged in total station prism 3.Whole station
Instrument prism 3 is used for when profession of laying a railway track does not provide wire center and absolute altitude, and cooperation total station uses, and can reduce a large amount of data
It calculates.The utility model instrument further includes second laser rangefinder 12, and second laser rangefinder 12 is arranged in horizontal gird pedestal 2
Lower section, second laser rangefinder 12 project laser beam it is vertical with horizontal gird pedestal 2.Second laser rangefinder 12 is used for core
Height away from tunnel bottom at quasi- track level measuring, that is, instrument set-down location shaft 5.
As shown in Figure 3, Figure 4, the utility model is used to measure the length of davit 13 and the folder of davit 13 and davit bottom plate 14
Angle, application method the following steps are included:
S1. up and down adjustment vertical adjusting support rod 1 makes horizontal gird pedestal 2 be located at horizontal plane, and shaft 5 is aligned in track
Center is in track planar design position；
S2. up and down adjustment superelevation adjusts crossbeam 6, and superelevation is made to be adjusted to positioning point design superelevation value；
S3. first laser rangefinder 4 is moved, 4 place sliding block 8 of first laser rangefinder is made to be moved to the design limit of davit 13
Dividing value, 4 outgoing laser beam of first laser rangefinder are radiated at tunnel top, and luminous point whereabouts is the installation of davit bottom plate 14
Center, set its bottom reference measurement for first laser rangefinder 4, press the measurement key of first laser rangefinder 4,
Measuring distance is H1；
S4. move first laser rangefinder 4, make project laser expose to respectively 14 design position of davit bottom plate left end and
Right end position；And record the distance L that 4 place sliding block 8 of first laser rangefinder moves during this period；When projecting laser irradiation to hanging
The distance that tunnel top is measured when the left end of column base plate 14 is H2, is surveyed when projecting right end of the laser irradiation to davit bottom plate 14
The distance for arriving tunnel top out is H3；If 4 bottom of first laser rangefinder adjusts the distance C of 6 plane of crossbeam to superelevation；If rail is flat
Face to davit ground design value is B；
S5. length l, l=(H1+C)-B of davit 13 is calculated；
S6. it is calculated the angle α of davit bottom plate 14 Yu davit 13, α=+ β, wherein β=arctan [(H3-H2)/
L]。
By the data such as absolute altitude, orbit centre, superelevation of unit acquisition of laying a railway track by the utility model instrument quickly place to
It is required that position, and required superelevation is adjusted to design value.By being moved in parallel in the in-orbit plane of laser range finder, by centenary design
Threshold value is adjusted in place, and it is installation center position that laser range finder red laser, which irradiates tunnel top position, according to measuring herein
Value acquires required davit length.Slide laser range finder by measurement different location to tunnel apex distance from difference, pass through triangle
The angle of function calculating davit bottom plate and davit.
Although being particularly shown and describing the utility model referring to its exemplary embodiment, the technology of this field
Personnel, can be to it should be understood that in the case where not departing from the spirit and scope of the utility model defined by claim
It carries out various changes of form and details.
Claims (5)
1. a kind of contact network in tunnel trackless construction survey instrument, it is characterised in that: including two vertical adjusting support rods (1),
Horizontal gird pedestal (2) is arranged on vertical adjusting support rod (1), and the side above horizontal gird pedestal (2) is fitted vertically
It is provided with superelevation and adjusts card column (9), hingedly, superelevation adjusts crossbeam for one end and horizontal gird pedestal (2) that superelevation adjusts crossbeam (6)
(6) the other end and superelevation adjusts card column (9) and fixes, and is fixed with accurate sliding rail (7) on the top of superelevation adjusting crossbeam (6), essence
It is arranged in parallel with steel ruler (11) beside close sliding rail (7), accurate sliding rail (7) is equipped with sliding block (8), and the is fixed on sliding block (8)
One laser range finder (4), the laser beam that first laser rangefinder (4) projects are vertical with accurate sliding rail (7).
2. a kind of contact network in tunnel trackless construction survey instrument according to claim 1, it is characterised in that: described vertical
It adjusts support rod (1) and is fixedly linked with horizontal gird pedestal (2) by quick barbell buckle (10).
3. a kind of contact network in tunnel trackless construction survey instrument according to claim 1, it is characterised in that: the superelevation
It is hinged by shaft (5) to adjust crossbeam (6) and the horizontal gird pedestal (2).
4. a kind of contact network in tunnel trackless construction survey instrument according to claim 3, it is characterised in that: further include complete
It stands instrument prism (3), total station is arranged with prism (3) in the top of shaft (5).
5. a kind of contact network in tunnel trackless construction survey instrument according to claim 1, it is characterised in that: further include
Dual-laser rangefinder (12), second laser rangefinder (12) setting are surveyed in the lower section of the horizontal gird pedestal (2), second laser
The laser beam that distance meter (12) projects is vertical with horizontal gird pedestal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822031587.9U CN208921129U (en) | 2018-12-05 | 2018-12-05 | A kind of contact network in tunnel trackless construction survey instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822031587.9U CN208921129U (en) | 2018-12-05 | 2018-12-05 | A kind of contact network in tunnel trackless construction survey instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921129U true CN208921129U (en) | 2019-05-31 |
Family
ID=66712634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822031587.9U Withdrawn - After Issue CN208921129U (en) | 2018-12-05 | 2018-12-05 | A kind of contact network in tunnel trackless construction survey instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208921129U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373988A (en) * | 2018-12-05 | 2019-02-22 | 中铁十二局集团有限公司 | Contact network in tunnel trackless construction survey instrument and method |
| CN111323000A (en) * | 2020-04-08 | 2020-06-23 | 衡水衡源电力建设有限责任公司 | Laser positioning system |
| CN112444174A (en) * | 2020-11-17 | 2021-03-05 | 中铁十二局集团电气化工程有限公司 | Tool and method for measuring boundary limit of hanging column of rigid contact net at speed of 160km per hour |
| US20220410949A1 (en) * | 2019-12-17 | 2022-12-29 | Telefonos, Lineas Y Centrales, S.A. | Method for in-situ and real-time collection and processing of geometric parameters of railway lines |
-
2018
- 2018-12-05 CN CN201822031587.9U patent/CN208921129U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373988A (en) * | 2018-12-05 | 2019-02-22 | 中铁十二局集团有限公司 | Contact network in tunnel trackless construction survey instrument and method |
| US20220410949A1 (en) * | 2019-12-17 | 2022-12-29 | Telefonos, Lineas Y Centrales, S.A. | Method for in-situ and real-time collection and processing of geometric parameters of railway lines |
| CN111323000A (en) * | 2020-04-08 | 2020-06-23 | 衡水衡源电力建设有限责任公司 | Laser positioning system |
| CN112444174A (en) * | 2020-11-17 | 2021-03-05 | 中铁十二局集团电气化工程有限公司 | Tool and method for measuring boundary limit of hanging column of rigid contact net at speed of 160km per hour |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20230801 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20230801 |