CN202304828U - Special trackless measuring tool of circular tunnel shield segment contact net of subway - Google Patents

Special trackless measuring tool of circular tunnel shield segment contact net of subway Download PDF

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Publication number
CN202304828U
CN202304828U CN2011203578104U CN201120357810U CN202304828U CN 202304828 U CN202304828 U CN 202304828U CN 2011203578104 U CN2011203578104 U CN 2011203578104U CN 201120357810 U CN201120357810 U CN 201120357810U CN 202304828 U CN202304828 U CN 202304828U
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CN
China
Prior art keywords
subway
contact net
trackless
utility
model
Prior art date
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.)
Expired - Fee Related
Application number
CN2011203578104U
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Chinese (zh)
Inventor
谌建民
马登峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fifth Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Original Assignee
Fifth Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN2011203578104U priority Critical patent/CN202304828U/en
Application granted granted Critical
Publication of CN202304828U publication Critical patent/CN202304828U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a special trackless measuring tool of a circular tunnel shield segment contact net of a subway, characterized by comprising two vertical supporting rods with pulleys on the lower parts, wherein cross arms are fixedly connected on the supporting rods, two supporting surfaces are fixedly connected on the upper parts of the two ends of the cross arms, and a level bar and a superelevation indicator panel are also arranged on the cross arms. The special trackless measuring tool disclosed by the utility model is capable of simulating the rail surface height after the rail pavement, and the distance between the inner sides of the two supporting surfaces is uniform with the inner track gauge of the steel rail of the subway, so that the pedestal of a laser measuring apparatus is installed and fixed on the two supporting surfaces for measurement when in use. The special trackless measuring tool disclosed by the utility model has the advantages of capability of realizing the measurement precision of trackless measurement and improving the measurement efficiency, simple structure, convenience for installation and operation, low cost and little manpower investment, etc.

Description

Subway roundel structure section contact net trackless is measured specific purpose tool
Technical field
The utility model relates to a kind of subway roundel structure section contact net trackless and measures specific purpose tool.
Background technology
Subway is a great system engineering, and it is many that subway construction involves specialty, and each professional construction disturbs big; Construction space is narrow and small, and along with the develop rapidly of subway construction, the subway work duration is relatively short simultaneously; Particularly shorter for back, the station specialty duration, for guaranteeing the integral construction progress, the back contact net specialty of standing must be carried out the contact net construction operation before track is not laid; Owing to there is not track to make object of reference; The difficulty of trackless construction is very big, and quality will be difficult to guarantee that therefore the accurate measurement of contact net is particularly important under the trackless condition.
The construction of subway contact net generally is on the basis of track moulding, to carry out, and carries out the contact net construction at no track section, and because of there not being object of reference, its core just is the accurate location of overhead contact line point, makes the correct and one-time-reach-place of its anchor point.Like this, surveying work has just become to guarantee the basis of construction quality, must guarantee the correct and accurate of measurement result.
The contact net measuring instrument that the trackless section is special-purpose, but experience for reference do not had.Present stage, trackless section contact net measuring adopted large-scale instrument and equipments such as total powerstation or transit, and the total powerstation price is high, survey crew was required high; Need professional calculating personnel, need more line tower foundation data during measurement, such as circuit five big reference mark, coordinate and level absolute altitude etc.; Need to drop into great amount of manpower, need 5-6 people during measurement, because tunnel intraoral illumination condition is bad; Visual range is limited, wants frequent turning point adjustment total powerstation during measurement, and each turning point all is with reference to previous measurement result; The point that need remeasure when therefore in measuring process, finding mistake is a lot, and the efficient of measurement is not high, is difficult to satisfy the requirement of construction speed.
Summary of the invention
The purpose of the utility model is: to the problem of above-mentioned existence, provide a kind of low cost of manufacture, subway roundel structure section contact net trackless that efficiency of measurement is high to measure specific purpose tool.
The technical scheme that the utility model adopts comprises two vertical support bars of bottom band pulley, the stull that is connected on the said support bar, and the top at stull two ends is fixed with two supporting surfaces, also is provided with surveyor's staff and superelevation display disc in the stull.The utility model utilizes above-mentioned rod member to simulate the rail level height after laying a railway track according to the track laying height and the track laying gradient that track construction unit provides, and this removable support can be claimed " mobile steel rail " again.The supporting surface at stull two ends is equivalent to rail, and when measuring, directly the base with measuring instrument such as laser measuring apparatus is fixed on two supporting surfaces, and the inboard spacing of two supporting surfaces is consistent with the interior gauge of rail of subway.According to surveyor's staff and superelevation display disc adjustment stull support level, guarantee the precision of measuring.Pulley structure has been guaranteed conveniently moving, flexible operation, has practiced thrift manpower.Adopt the utility model survey instrument, its measurement point is independently, when finding some point measurement mistakes, need not to remeasure other point, has improved efficiency of measurement greatly.
Further be, said pulley is connected on the foot rest, the foot rest of particularly being made up of a pair of wheels and triangular supports is guaranteed the solid and reliable of wheels.Especially the wheels of foot rest adopt the base that contains 4 bolts hole to be connected with pulley, guarantee that wheels connect stable and the reliability in the implementation process.
Further be that foot rest top and support bar are pegged graft fixing.Foot rest and support bar are split-type structural, adopt card edge type, are convenient to remove and install; And when the stull support is not in horizontality; Can regulate the support bar of one or both sides or the fastening bolt on the foot rest, cause the stull level, satisfy the requirement of measurement level.
Further be that said support bar and stull and foot rest constitute by the stainless steel square steel.Have Stability Analysis of Structures, durable, the characteristics of anti-corrosion.
Description of drawings
The utility model will describe through embodiment and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is that Fig. 1 foot rest A is to enlarged diagram.
Fig. 4 is that the C of vertical support bar of Fig. 1 and foot rest link is to enlarged diagram.
Fig. 5 is that the B of Fig. 1 single-wheel is to enlarged diagram.
Fig. 6 is the utility model user mode synoptic diagram.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As depicted in figs. 1 and 2, the utility model comprises parts such as stull 1, surveyor's staff 2, supporting surface 3, vertical support bar 4, superelevation display disc 5, foot rest 6.As shown in Figure 3, the foot rest of the utility model is made up of with triangular supports 8 a pair of wheels 7, and wheel is formed vertical single arrangement, constitutes one group by two runners, and triangular supports guarantees the solid and reliable of wheels.As shown in Figure 4, adopt card edge type in foot rest and vertical support bar type of attachment, be convenient to remove and install.The landform more complicated that the utility model uses connects reliability stable and in the implementation process in order to guarantee wheels, and the single pulley in the wheels is all as shown in Figure 5, adopts the base that contains 4 bolts hole to be connected with pulley.
As shown in Figure 6, the main thought of the utility model is an analog orbit.The supporting surface at stull two ends is equivalent to rail; It is gauge in the rail of subway that supporting surface both sides, everywhere reinforce the inboard spacing of measuring instrument base 9, two supporting surfaces with clamp, when measuring; Directly the laser measuring apparatus base is installed on two supporting surfaces, base is fixedly secured with clamp.Stull centre position one side has been installed surveyor's staff; In measuring process, can regulate the height of supported on both sides bar through the bubble position of eye-level chi, guarantee the level of removable support, the opposite side of stull is the superelevation display disc; Be connected with stull with rivet; Pointer is in display disc " O " scale when constantly guaranteeing its vertical, when the bubble of surveyor's staff in the middle of the surveyor's staff scale and during superelevation display disc pointed " O " scale, representes whole stull support level.
In use, earlier the special measurement instrument is installed and places in the circular shield tunnel 11, again contact net laser measuring apparatus base 9 is installed on the utility model; Because the metro shield section is circular; And be symmetrically distributed,, make integral level through horizontal adjustment backing positions at straight line shield structure section; Open the switch of laser measuring apparatus camera lens 10 this moment, the laser point that on the top, tunnel, occurs is exactly the pantograph central point.At curve shield structure section; Because track has superelevation; Utilize the line transfer supertronic data of track specialty to determine the central point off-set value through simple computation; Then with the laser measuring apparatus camera lens along the off-set value that the laser measuring apparatus base calculates to the curve medial movement, open lens switch after waiting to adjust, the laser point that on tunnel top, occurs is exactly the pantograph central point.
The utlity model has simple in structure, easy for installation, with low cost, convenience operation; Can significantly reduce manpower in the use; Because each measurement point is independently, when finding some point measurement mistakes, need not to remeasure other point, improved the characteristics of efficiency of measurement greatly.
The above is merely the preferred embodiment of the utility model, any modification of being done within all spirit and principles at the utility model, is equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims (7)

1. a subway roundel structure section contact net trackless is measured specific purpose tool; It is characterized in that comprise two vertical support bars of bottom band pulley, stull is connected on the said support bar; The top at stull two ends is fixed with two supporting surfaces, also is provided with surveyor's staff and superelevation display disc in the stull.
2. subway roundel structure section contact net trackless as claimed in claim 1 is measured specific purpose tool, and it is characterized in that: laser measuring apparatus is connected on the said supporting surface.
3. subway roundel structure section contact net trackless as claimed in claim 1 is measured specific purpose tool, and it is characterized in that: said pulley is connected on the foot rest, and foot rest top and support bar are pegged graft fixing.
4. subway roundel structure section contact net trackless as claimed in claim 2 is measured specific purpose tool, and it is characterized in that: said foot rest is made up of a pair of wheels and triangular supports.
5. subway roundel structure section contact net trackless as claimed in claim 1 is measured specific purpose tool, it is characterized in that: the inboard spacing of said two supporting surfaces is a gauge in the rail of subway, and the laser measuring apparatus base is connected on the supporting surface.
6. subway roundel structure section contact net trackless as claimed in claim 3 is measured specific purpose tool, and it is characterized in that: said support bar and stull and foot rest constitute by the stainless steel square steel.
7. subway roundel structure section contact net trackless as claimed in claim 4 is measured specific purpose tool, it is characterized in that: the wheels of said foot rest adopt the base that contains 4 bolts hole to be connected with pulley.
CN2011203578104U 2011-09-22 2011-09-22 Special trackless measuring tool of circular tunnel shield segment contact net of subway Expired - Fee Related CN202304828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203578104U CN202304828U (en) 2011-09-22 2011-09-22 Special trackless measuring tool of circular tunnel shield segment contact net of subway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203578104U CN202304828U (en) 2011-09-22 2011-09-22 Special trackless measuring tool of circular tunnel shield segment contact net of subway

Publications (1)

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CN202304828U true CN202304828U (en) 2012-07-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104131340A (en) * 2014-07-24 2014-11-05 江苏美科硅能源有限公司 Monitoring support used for controlling charging height of polysilicon cast ingots
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
CN109696131A (en) * 2018-12-11 2019-04-30 中铁二局集团电务工程有限公司 Urban track traffic hangs overhead contact line anchor point trackless and measures engineering method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104131340A (en) * 2014-07-24 2014-11-05 江苏美科硅能源有限公司 Monitoring support used for controlling charging height of polysilicon cast ingots
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
CN109696131A (en) * 2018-12-11 2019-04-30 中铁二局集团电务工程有限公司 Urban track traffic hangs overhead contact line anchor point trackless and measures engineering method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: CHINA RAILWAY ELECTRIFICATION BUREAU GROUP 5TH ENG

Free format text: FORMER NAME: CHINA RAILWAY ELECTRIFICATION BUREAU (GROUP) 5TH ENGINEERING CORPORATION

CP01 Change in the name or title of a patent holder

Address after: 610031 Sichuan Province, Chengdu city Qingyang District Qingyang Industrial Development Zone (East) Guang Fu Road No. 8 Building 10, No. 406 (headquarters base in C District No. 34 4-6)

Patentee after: CHINA RAILWAY ELECTRIFICATION BUREAU (GROUP) 5TH ENGINEERING CORPORATION

Address before: 610031 Sichuan Province, Chengdu city Qingyang District Qingyang Industrial Development Zone (East) Guang Fu Road No. 8 Building 10, No. 406 (headquarters base in C District No. 34 4-6)

Patentee before: China Railway Electrification Bureau (Group) 5th Engineering Corporation

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20140922

EXPY Termination of patent right or utility model