CN105910591A - Method and device for detecting verticality and clearance size of elevator shaft - Google Patents

Method and device for detecting verticality and clearance size of elevator shaft Download PDF

Info

Publication number
CN105910591A
CN105910591A CN201610381149.8A CN201610381149A CN105910591A CN 105910591 A CN105910591 A CN 105910591A CN 201610381149 A CN201610381149 A CN 201610381149A CN 105910591 A CN105910591 A CN 105910591A
Authority
CN
China
Prior art keywords
elevator
perpendicularity
chi
fixed support
contiguous block
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.)
Granted
Application number
CN201610381149.8A
Other languages
Chinese (zh)
Other versions
CN105910591B (en
Inventor
罗琛
邱章云
李哲
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.)
Gezhouba Surveying And Mapping Geographic Information Technology Co Ltd
Original Assignee
Gezhouba Surveying And Mapping Geographic Information Technology 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
Application filed by Gezhouba Surveying And Mapping Geographic Information Technology Co Ltd filed Critical Gezhouba Surveying And Mapping Geographic Information Technology Co Ltd
Priority to CN201610381149.8A priority Critical patent/CN105910591B/en
Publication of CN105910591A publication Critical patent/CN105910591A/en
Application granted granted Critical
Publication of CN105910591B publication Critical patent/CN105910591B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/12Instruments for setting out fixed angles, e.g. right angles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002Active optical surveying means
    • G01C15/004Reference lines, planes or sectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The invention relates to a method for detecting the verticality and clearance size of an elevator shaft. A laser zenith telescope and scale are utilized to measure the distance between the four-side wall of each height layer elevator shaft and a laser beam, drawing calculation is conducted to obtain the elevator shaft verticality and clearance size dimensional data. The device for detecting the verticality and clearance size of the elevator shaft consists of a fixed support, a horizontal measuring ruler, a vertical measuring ruler and the laser zenith telescope, the fixed support is an H-shaped structure, a connecting section is provided with a second cross-connection block, the vertical measuring ruler is arranged perpendicular to the connecting section and passes through it and is fixed on the second cross-connection block. The fixed support section located in the elevator shaft is provided with the horizontal measuring ruler, the horizontal measuring ruler is parallel to the connecting section, and an intersection position of the horizontal measuring ruler and the vertical measuring ruler is fixed through a first cross-connection block, which is equipped with a through-hole. By adopting the structure, high efficiency and high precision of elevator shaft verticality and clearance size detection are guaranteed.

Description

A kind of method and device detecting elevator perpendicularity and headroom size
Technical field
The present invention relates to building detection technique field, a kind of method and device detecting elevator perpendicularity and headroom size.
Background technology
Before installing elevator, the building elevator built up must be carried out elevator perpendicularity and headroom size detection, and existing commonly used detection method is that ribbon joined by employing suspension weight line or total powerstation is directly measured.Although hanging weight line to join ribbon method simply, but need to prepare oil drum and weight, in addition it is also necessary to completing as measuring table by hanging basket, one is that preparation is many, the most time-consumingly;Two is that safety guarantee difficulty is big;Three be the elevator discrepancy in elevation big time, plumb bob poor stability, certainty of measurement cannot ensure.Total powerstation direct measuring method is direct, but needs by repeatedly building instrument platform, and repeatedly transmission measuring basis just can complete, and one is to set for this platform time-consuming, and efficiency is low;Two is that measuring basis repeatedly transmits the error brought greatly, causes certainty of measurement to ensure.
Summary of the invention
The technical problem to be solved is to provide a kind of method and device detecting elevator perpendicularity and headroom size, ensure that elevator perpendicularity and the high efficiency of headroom size detection and pinpoint accuracy, effectively prevent the problem that the testing result error that existing detection method caused is big, detection process is time-consumingly grown.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of method detecting elevator perpendicularity and headroom size, utilize laser zenith telescope and scale that the four sides body of wall of each elevation layer elevator is measured to the distance between laser beam, calculate by drawing and obtain elevator perpendicularity and the sized data of headroom size.
Preferably in scheme, further comprising the steps of:
1) bottom position at elevator sets up laser zenith telescope, opens lasing light emitter, launches laser beam, determines each elevation layer measuring basis line.
2) scale is utilized to measure each elevation layer laser beam respectively to the distance of body of wall test point.
3) the measurement distance of body of wall test point is utilized, calculate four bodies of wall deviation value relative to ground floor of each layer respectively, the maximum of each body of wall and the vertical missing that difference is this body of wall of minimum deviation value, take the vertical missing of maximum in four bodies of wall, as elevator measuring for verticality value, utilizes each body of wall deviation value to be calculated the headroom size of elevator by plotting mode simultaneously.
4) compare diverse location and measure elevator perpendicularity and the headroom size that distance obtains, power taking stair shaft perpendicularity maximum as elevator measuring for verticality value, take both elevator headroom smallest size of as elevator headroom size detection value.
A kind of device detecting elevator perpendicularity and headroom size, including fixed support, laterally survey chi, longitudinally survey chi and laser zenith telescope, fixed support is H-shaped structure, with support bracket fastened linkage section as boundary line, the fixed support section of linkage section side is fixed on job platform, and it is interior and unsettled that the fixed support of linkage section opposite side stretches into elevator;
The fixed support section being positioned at elevator is provided with slideway, and linkage section is additionally provided with the second four-way contiguous block, longitudinally surveys chi and is perpendicular to linkage section and arranges and pass and be fixed on the second four-way contiguous block;
Being positioned at the fixed support section of elevator to be provided with and laterally survey chi, laterally survey chi and be parallel to linkage section and arrange, and laterally survey chi and fixed by the first four-way contiguous block with longitudinally survey chi intersection location, the first four-way contiguous block is provided with through hole.
Preferably in scheme, described laterally survey chi can slide upwardly along the slideway on fixed support in the side that be perpendicular to linkage section;
Longitudinally survey chi, the first four-way contiguous block and the second four-way contiguous block to slide upwardly along the slideway on linkage section in linkage section side.
Preferably in scheme, the first described four-way contiguous block also tilting to be provided with illuminator, illuminator is arranged diagonally downward towards job platform direction.
Preferably in scheme, the first described four-way contiguous block and the second four-way contiguous block are provided with longitudinal ruler groove, longitudinally surveying chi to be arranged on longitudinal ruler groove, the first four-way contiguous block and fixed support are positioned at one end of elevator and are provided with horizontal chi groove, laterally survey chi and are arranged on horizontal chi groove.
Preferably in scheme, described chi two ends of laterally surveying are provided with transversal stretching Sopwith staff, and one end that longitudinal survey chi is positioned at elevator is provided with longitudinal extension Sopwith staff.
Preferably in scheme, described longitudinal direction is surveyed chi and is provided with zero point baffle plate near one end of job platform.
A kind of method and device detecting elevator perpendicularity and headroom size that the present invention provides, by using said structure, the elevator perpendicularity in skyscraper house and the detection operation of headroom size can be more applicable for, scale cost of manufacture is low, method is simple to operation in measurement, precision is high, it is adaptable to various building elevator perpendicularity and headroom size detection;Method is time saving and energy saving, safety good, efficiency is high, can ensure that precision and cost-effective;Whole method and measurement scale ensure that elevator perpendicularity and the high efficiency of headroom size detection and pinpoint accuracy.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the plan structure schematic diagram of the present invention.
Fig. 2 is the measurement scale portion structural representation of the present invention.
Fig. 3 is the Section A-A sectional structure schematic diagram of Fig. 2 of the present invention.
Fig. 4 is the section B-B sectional structure schematic diagram of Fig. 2 of the present invention.
Fig. 5 is the measuring point distribution schematic diagram of the present invention.
Fig. 6 is to face structural representation during the present invention detects.
In figure: fixed support 1, laterally survey chi 2, longitudinally survey chi 3, the first four-way contiguous block 4, the second four-way contiguous block 5, through hole 6, illuminator 7, longitudinal ruler groove 8, fluorescent screen 9, zero point baffle plate 10, laterally chi groove 11, laser zenith telescope 12, linkage section 101, transversal stretching Sopwith staff 201, longitudinal extension Sopwith staff 301.
Detailed description of the invention
Embodiment 1:
In figure, a kind of method detecting elevator perpendicularity and headroom size, utilize laser zenith telescope 12 and scale that the four sides body of wall of each elevation layer elevator is measured to the distance between laser beam, calculate by drawing and obtain elevator perpendicularity and the sized data of headroom size.
Embodiment 2:
On the basis of embodiment 1, further comprising the steps of:
1) bottom position at elevator sets up laser zenith telescope 12, opens lasing light emitter, launches laser beam, determines each elevation layer measuring basis line.
2) scale is utilized to measure each elevation layer laser beam respectively to the distance of body of wall test point.
3) the measurement distance of body of wall test point is utilized, calculate four bodies of wall deviation value relative to ground floor of each layer respectively, the maximum of each body of wall and the vertical missing that difference is this body of wall of minimum deviation value, take the vertical missing of maximum in four bodies of wall, as elevator measuring for verticality value, utilizes each body of wall deviation value to be calculated the headroom size of elevator by plotting mode simultaneously.
4) compare diverse location and measure elevator perpendicularity and the headroom size that distance obtains, power taking stair shaft perpendicularity maximum as elevator measuring for verticality value, take both elevator headroom smallest size of as elevator headroom size detection value.
Embodiment 3:
On the basis of embodiment 2, as it is shown in figure 5, concrete detection job step is as follows:
1) bottom position at built building elevator sets up laser zenith telescope 12 leveling, open lasing light emitter, launch laser beam P1, i.e. laser beam P1 is each elevation layer measuring basis line, and must ensure that laser beam is in measuring direct sliding scale, then measuring the laser beam of ground floor to the distance of body of wall test point as benchmark data, the measurement data of follow-up floor, with this measurement data as reference, asks for deviation value;
2) fixed support 1 is fixed on measure floor job platform, adjust level(l)ing bubble ensure support level, and by horizontal support and between hoistway operation survey wall tangent;
3) sliding utilizing both sides scale adjusts the through hole 6 that horizontal scale 2 makes laser beam pass through the first four-way contiguous block 4 with longitudinal scale 3, and by observing fluorescent screen and illuminator, accurately adjusts the location of scale and datum line;
4), in the case of ensureing support level and datum line accurate positioning, regulation transversal stretching Sopwith staff 201 and longitudinal extension Sopwith staff 301, to contacting four bodies of wall completely, read P1 respectively to distance P1A1 of wall test point, P1A2, P1A3, P1A4.Wherein P1A1 section can read by longitudinally surveying the reading of portraying on chi 3, now, completes first group of measurement data, the support coordinate figure of record P1;
5) laterally survey chi 2 by mobile and longitudinally survey chi 3, according to the P1 point frame coordinate figure of record in step 4), new frame coordinate figure location P2 point after combining movement, utilize Sopwith staff measurement P2 point to the distance of four walls simultaneously, as shown in Figure 5, in like manner measure P3 point data, obtain the measurement data of three measuring points of This floor;
6) basic parameter measured as follow-up floor at the first support coordinate figure in fixed support measuring floor measurement by P1, P2, P3 point, by adjusting staff reading positioning measuring device.Repeat step 2) to step 5) complete follow-up every floor measurement operation;
7) as shown in Figure 5,12 measurements length of side value P1A1, P1A2, P1A3, P1A4, P2B1, P2B2, P2B3, P2B4, P3C1, P3C2, P3C3, P3C4 producing centered by utilizing P1, P2, P3 of each layer at 3 are by calculating each floor length of elevator, width value, and elevator headroom size, it is possible to calculate the perpendicularity deviation value of every side walls.
On the basis of embodiment 3, following apparatus is used to measure:
A kind of device detecting elevator perpendicularity and headroom size, including fixed support 1, laterally survey chi 2, longitudinally survey chi 3 and laser zenith telescope 12, fixed support 1 is H-shaped structure, with the linkage section 101 of fixed support 1 as boundary line, the fixed support of linkage section 101 side 1 section is fixed on job platform, and it is interior and unsettled that the fixed support 1 of linkage section 101 opposite side stretches into elevator;
The fixed support 1 section being positioned at elevator is provided with slideway, and linkage section 101 is additionally provided with the second four-way contiguous block 5, longitudinally surveys chi 3 and is perpendicular to linkage section 101 and arranges and pass and be fixed on the second four-way contiguous block 5;
The fixed support 1 section being positioned at elevator is provided with horizontal chi 2 of surveying, and horizontal survey chi 2 is parallel to linkage section 101 and arranges, and laterally survey chi 2 and longitudinal survey chi 3 intersection location are fixing by the first four-way contiguous block 4, and the first four-way contiguous block 4 is provided with through hole 6.
Preferably in scheme, described laterally survey chi 2 can slide upwardly along the slideway on fixed support 1 in the side that be perpendicular to linkage section 101;
Longitudinally survey chi the 3, first four-way contiguous block 4 and the second four-way contiguous block 5 can slide upwardly along the slideway on linkage section 101 linkage section 101 side.
Preferably in scheme, the first described four-way contiguous block 4 also tilting to be provided with illuminator 7, illuminator 7 is arranged diagonally downward towards job platform direction.
Preferably in scheme, the first described four-way contiguous block 4 and the second four-way contiguous block 5 are provided with longitudinal ruler groove 8, longitudinally survey chi 3 to be arranged on longitudinal ruler groove 8, first four-way contiguous block 4 and fixed support 1 are positioned at one end of elevator and are provided with horizontal chi groove 11, laterally survey chi 2 and are arranged on horizontal chi groove 11.
Preferably in scheme, described chi 2 two ends of laterally surveying are provided with transversal stretching Sopwith staff 201, and one end that longitudinal survey chi 3 is positioned at elevator is provided with longitudinal extension Sopwith staff 301.
Preferably in scheme, described longitudinal direction is surveyed chi 3 and is provided with zero point baffle plate 10 near one end of job platform.

Claims (8)

1. the method detecting elevator perpendicularity and headroom size, it is characterized in that: utilize laser zenith telescope (12) and scale that the four sides body of wall of each elevation layer elevator is measured to the distance between laser beam, calculate by drawing and obtain elevator perpendicularity and the sized data of headroom size.
A kind of method detecting elevator perpendicularity and headroom size the most according to claim 1, is characterized in that further comprising the steps of:
1) bottom position at elevator sets up laser zenith telescope (12), opens lasing light emitter, launches laser beam, determines each elevation layer measuring basis line.
2) scale is utilized to measure each elevation layer laser beam respectively to the distance of body of wall test point.
3) the measurement distance of body of wall test point is utilized, calculate four bodies of wall deviation value relative to ground floor of each layer respectively, the maximum of each body of wall and the vertical missing that difference is this body of wall of minimum deviation value, take the vertical missing of maximum in four bodies of wall, as elevator measuring for verticality value, utilizes each body of wall deviation value to be calculated the headroom size of elevator by plotting mode simultaneously.
4) compare diverse location and measure elevator perpendicularity and the headroom size that distance obtains, power taking stair shaft perpendicularity maximum as elevator measuring for verticality value, take both elevator headroom smallest size of as elevator headroom size detection value.
3. the device detecting elevator perpendicularity and headroom size, including fixed support (1), laterally survey chi (2), longitudinally survey chi (3) and laser zenith telescope (12), it is characterized in that: fixed support (1) is H-shaped structure, with the linkage section (101) of fixed support (1) as boundary line, fixed support (1) section of linkage section (101) side is fixed on job platform, and it is interior and unsettled that the fixed support (1) of linkage section (101) opposite side stretches into elevator;
Fixed support (1) section being positioned at elevator is provided with slideway, and linkage section (101) is additionally provided with the second four-way contiguous block (5), longitudinally surveys chi (3) and is perpendicular to linkage section (101) and arranges and pass and be fixed on the second four-way contiguous block (5);
It is positioned at fixed support (1) section of elevator to be provided with and laterally survey chi (2), laterally survey chi (2) and be parallel to linkage section (101) setting, and it is fixing by the first four-way contiguous block (4) with longitudinally survey chi (3) intersection location laterally to survey chi (2), the first four-way contiguous block (4) is provided with through hole (6).
A kind of device detecting elevator perpendicularity and headroom size the most according to claim 3, is characterized in that: described chi (2) of laterally surveying can slide upwardly along the slideway on fixed support (1) in the side that be perpendicular to linkage section (101);
Longitudinally survey chi (3), the first four-way contiguous block (4) and the second four-way contiguous block (5) to slide upwardly along the slideway on linkage section (101) in linkage section (101) side.
5. according to a kind of device detecting elevator perpendicularity and headroom size described in claim 3 or 4, it is characterized in that: also tilting to be provided with illuminator (7) on the first described four-way contiguous block (4), illuminator (7) is arranged diagonally downward towards job platform direction.
A kind of device detecting elevator perpendicularity and headroom size the most according to claim 4, it is characterized in that: the first described four-way contiguous block (4) and the second four-way contiguous block (5) are provided with longitudinal ruler groove (8), longitudinally survey chi (3) to be arranged on longitudinal ruler groove (8), first four-way contiguous block (4) and fixed support (1) are positioned at one end of elevator and are provided with horizontal chi groove (11), laterally survey chi (2) and are arranged on horizontal chi groove (11).
A kind of device detecting elevator perpendicularity and headroom size the most according to claim 3, it is characterized in that: described chi (2) two ends of laterally surveying are provided with transversal stretching Sopwith staff (201), and one end that longitudinal survey chi (3) is positioned at elevator is provided with longitudinal extension Sopwith staff (301).
A kind of device detecting elevator perpendicularity and headroom size the most according to claim 3, is characterized in that: described longitudinal direction is surveyed chi (3) and is provided with zero point baffle plate (10) near one end of job platform.
CN201610381149.8A 2016-06-01 2016-06-01 A kind of method and device detecting elevator verticality and headroom size Expired - Fee Related CN105910591B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610381149.8A CN105910591B (en) 2016-06-01 2016-06-01 A kind of method and device detecting elevator verticality and headroom size

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610381149.8A CN105910591B (en) 2016-06-01 2016-06-01 A kind of method and device detecting elevator verticality and headroom size

Publications (2)

Publication Number Publication Date
CN105910591A true CN105910591A (en) 2016-08-31
CN105910591B CN105910591B (en) 2019-04-23

Family

ID=56741952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610381149.8A Expired - Fee Related CN105910591B (en) 2016-06-01 2016-06-01 A kind of method and device detecting elevator verticality and headroom size

Country Status (1)

Country Link
CN (1) CN105910591B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110470282A (en) * 2019-09-12 2019-11-19 中国水利水电第三工程局有限公司 A kind of vertical shaft penstock installation Alignment measuring device and method
CN111706094A (en) * 2020-06-29 2020-09-25 中国建筑第五工程局有限公司 Positioning and calibrating device and method for elevator shaft construction
CN113313375A (en) * 2021-05-26 2021-08-27 湖北新悦成智能科技有限公司 Building engineering construction quality evaluation method based on big data analysis and cloud computing
CN114234885A (en) * 2021-12-31 2022-03-25 杨武鹏 Outdoor measuring equipment for building design and using method thereof
US11781866B1 (en) * 2021-05-15 2023-10-10 Point Data, Inc. Alignment system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020049671A (en) * 2000-12-20 2002-06-26 이구택 Auto-Correction Device For Precision Of Ruler
CN201072336Y (en) * 2007-07-24 2008-06-11 武汉东菱富士电梯制造有限公司 Laser measuring device
CN203668777U (en) * 2013-10-15 2014-06-25 杨成 Right-angle type line beam eccentricity and ballast thickness measuring ruler
CN104390632A (en) * 2014-11-21 2015-03-04 同济大学 Total station collimation line method horizontal displacement observation platform and application method thereof
CN205718990U (en) * 2016-06-01 2016-11-23 葛洲坝测绘地理信息技术有限公司 A kind of device detecting elevator perpendicularity and headroom size

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020049671A (en) * 2000-12-20 2002-06-26 이구택 Auto-Correction Device For Precision Of Ruler
CN201072336Y (en) * 2007-07-24 2008-06-11 武汉东菱富士电梯制造有限公司 Laser measuring device
CN203668777U (en) * 2013-10-15 2014-06-25 杨成 Right-angle type line beam eccentricity and ballast thickness measuring ruler
CN104390632A (en) * 2014-11-21 2015-03-04 同济大学 Total station collimation line method horizontal displacement observation platform and application method thereof
CN205718990U (en) * 2016-06-01 2016-11-23 葛洲坝测绘地理信息技术有限公司 A kind of device detecting elevator perpendicularity and headroom size

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110470282A (en) * 2019-09-12 2019-11-19 中国水利水电第三工程局有限公司 A kind of vertical shaft penstock installation Alignment measuring device and method
CN111706094A (en) * 2020-06-29 2020-09-25 中国建筑第五工程局有限公司 Positioning and calibrating device and method for elevator shaft construction
US11781866B1 (en) * 2021-05-15 2023-10-10 Point Data, Inc. Alignment system
CN113313375A (en) * 2021-05-26 2021-08-27 湖北新悦成智能科技有限公司 Building engineering construction quality evaluation method based on big data analysis and cloud computing
CN114234885A (en) * 2021-12-31 2022-03-25 杨武鹏 Outdoor measuring equipment for building design and using method thereof
CN114234885B (en) * 2021-12-31 2023-11-21 杨武鹏 Outdoor measurement equipment for building design and application method thereof

Also Published As

Publication number Publication date
CN105910591B (en) 2019-04-23

Similar Documents

Publication Publication Date Title
CN105910591A (en) Method and device for detecting verticality and clearance size of elevator shaft
CN104634267B (en) A kind of overhead and gantry cranes camber measuring method
CN103968804B (en) High ferro large span ground micron sedimentation low-coherent light Hygienic monitoring on hands of childhood system and method
CN103884316B (en) A kind of self-alignment double laser level altimeter
CN108663021B (en) Building wall perpendicularity detection device and detection method using same
CN203837692U (en) Self-calibration laser altimeter
JP2013155598A (en) Method and device for producing trench wall element
CN106441168A (en) Rolling linear guide rail pair slider profile accuracy measurement method
CN104297771B (en) GNSS device and method for precisely and quickly measuring elevation
CN109668543A (en) Inclination measurement method based on laser radar
CN103292795A (en) A method for accurate measurement by using dual prisms, and a measuring rod
CN109443327A (en) A kind of distribution method of SURVEYING CONTROL NETWORK
CN108931237A (en) A kind of total station is accurately positioned the construction method of large-scale furnace body frame column verticality
Kuchmister et al. A functional-precision analysis of the Vertical Comparator for the Calibration of geodetic Levelling Systems
CN205449052U (en) Device for measuring building inclination angle by laser
CN109112937B (en) Fine and rapid measuring method for pavement evenness
CN104482895A (en) Calibration method for slab ballastless track slab fine tuning frame of passenger rail line
CN203702139U (en) Hole digging cast-in-place pile pore-forming quality detection device
CN108303072A (en) A kind of measuring device and measurement method in gate recess installation process
CN105334014A (en) Adjustable suspended cable method for testing bridge deflection
CN109112936B (en) Road surface flatness becomes more meticulous quick measuring device
CN102322854B (en) Tunnel monitoring measuring point and TSP (Total Suspended Particulate) blasthole layout device and method
CN205718990U (en) A kind of device detecting elevator perpendicularity and headroom size
CN212129261U (en) Perpendicularity tester for pile hole of cast-in-situ bored pile
CN109941309A (en) A kind of pair of bridge-type shield generates the laser type detection method of transverse translation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190423