CN108827232B - Device and method for quickly measuring arching value of large-span structure - Google Patents
Device and method for quickly measuring arching value of large-span structure Download PDFInfo
- Publication number
- CN108827232B CN108827232B CN201810877667.8A CN201810877667A CN108827232B CN 108827232 B CN108827232 B CN 108827232B CN 201810877667 A CN201810877667 A CN 201810877667A CN 108827232 B CN108827232 B CN 108827232B
- Authority
- CN
- China
- Prior art keywords
- laser
- span structure
- measuring
- scale body
- tripod
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- 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
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a device and a method for quickly measuring an arching value of a large-span structure, wherein a laser transmitting and receiving device of the device comprises a laser receiving end, a laser transmitting end and a level gauge, wherein the laser receiving end, the laser transmitting end and the level gauge are arranged on a shell; the base and the stopper of sopwith staff locate scale body bottom and top, and the scale body is located to the slider, and slider top surface and side are equipped with surveyor's level and prism, and laser emission receiver locates the tripod. The method comprises the steps that laser emitting receivers are arranged at two ends of a large-span structure through a tripod, a sliding block is vertically arranged at a measuring point between the two laser emitting receivers, the sliding block is moved along a graduated scale body, and when the sliding block moves to the state that laser beams emitted by the two laser emitting receivers penetrate through a prism of the sliding block and are received by a laser receiving end of the other side, graduations of the graduated scale are read and recorded; and sequentially measuring each measuring point, and finally performing difference in pairs to obtain the arching value of the large-span structure. The device and the method have the advantages of simple structure, convenient operation and use, capability of quickly measuring the arch camber value or the height difference of multiple points on the same straight line and improvement on the measurement efficiency.
Description
Technical Field
The invention relates to a device and a method for quickly measuring an arching value of a large-span structure.
Background
In the building construction, the large-span structure is common, and the specification of the acceptance of the construction quality of concrete structure engineering is specified in item 4.2.5: for cast-in-place concrete beams and slabs with the span of not less than 4m, the templates of the cast-in-place concrete beams and slabs are arched according to the design requirements; when no specific design requirement exists, the arching height is 1/1000-3/1000 of the span. The steel structure design criteria stipulate: the camber value is generally the deflection value produced by the constant load standard value plus 1/2 live load standard value.
The conventional measurement method of the camber value is to use a total station instrument for measurement, during the measurement, one surveyor operates the total station instrument to find a point for observation, the other surveyor sets up a prism, the measurement data is space three-dimensional data, and the camber value can be obtained only by calculating and processing the measurement data. Therefore, the conventional measurement mode is complicated in operation and low in measurement efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device and a method for quickly measuring an arching value of a large-span structure, which overcome the defects of the traditional arching value measurement, have simple structure and convenient operation and use, can quickly measure the arching value or height difference of multiple points on the same straight line, and effectively improve the measurement efficiency.
In order to solve the technical problem, the device for rapidly measuring the arching value of the large-span structure comprises two laser transmitting receivers, a tower ruler and a tripod, wherein each laser transmitting receiver comprises a shell, a laser receiving end and a first laser transmitting end which are arranged on the same side surface of the shell, and a level arranged on the top surface of the shell; the sopwith staff includes scale body, base, stopper and slider, base and stopper are located respectively the bottom and the top of scale body, the slider is located scale body slides along the scale body, the slider top surface is equipped with the spirit level respectively in scale body both sides, the side is equipped with the through-hole respectively and is equipped with the prism in the through-hole in scale body both sides, laser emission receiver locates on the tripod, two laser emission receiver pass through tripod interval arrangement, the sopwith staff is located between two laser emission receiver to a laser emission receiver is located by the laser of first laser emission end transmission the prism of slider is received by another laser emission receiver's laser receiving terminal.
Furthermore, the laser transmitting and receiving device also comprises a second laser transmitting end arranged on the bottom surface of the shell.
Further, the laser emission receiver also comprises a parameter display screen and an information input panel, wherein the parameter display screen and the information input panel are arranged on the side face of the shell and are positioned below the laser receiving end and the first laser emission end.
Furthermore, the laser receiving end of the laser transmitting and receiving device comprises a prism and a laser receiving head, and the laser receiving head is arranged behind the focus of the prism.
A method for rapidly measuring the arching value of a large-span structure by adopting the measuring device comprises the following steps:
the method comprises the following steps that firstly, two laser transmitting and receiving devices are respectively placed on a tripod and fastened, the two laser transmitting and receiving devices are respectively arranged at two ends of a large-span structure to be detected through the tripod, the tripod is adjusted to enable the two laser transmitting and receiving devices to be located on the same horizontal plane, and transmitted laser signals can be mutually received so as to confirm whether laser light sources are located on the same plane or not;
step two, erecting the sopwith staff at a large-span structure measuring point between two laser transmitting and receiving devices, moving the sliding block along the scale body, ensuring the verticality of the sopwith staff through a level gauge on the top surface of the sliding block in the sliding process, and reading and recording the scale of the sopwith staff at the sliding position of the sliding block when the sliding block moves to the state that laser beams transmitted by the two laser transmitting and receiving devices penetrate through a prism of the sliding block and are received by a laser receiving end of the other side;
and step three, sequentially measuring each subsequent measuring point according to the step two, and finally performing difference between every two measuring points to obtain the height difference between the measuring points, thereby obtaining the arching value of the large-span structure.
The device and the method for rapidly measuring the arching value of the large-span structure adopt the technical scheme, namely, the laser transmitting and receiving device of the device comprises a laser receiving end and a laser transmitting end which are arranged on the shell, and a level gauge arranged on the top surface of the shell; the bottom and the top of scale body are located respectively to the base and the stopper of sopwith staff, and the scale body is located and slides along the scale body to the slider, and the slider top surface is equipped with the surveyor's level in scale body both sides, and the side is equipped with the through-hole and is equipped with the prism in the through-hole in scale body both sides, and laser emission receiver locates on the tripod. The method comprises the steps that laser emitting receivers are arranged at two ends of a large-span structure through a tripod, a tower ruler is erected at a measuring point of the large-span structure between the two laser emitting receivers, a sliding block is moved along a graduated scale body, and when the sliding block is moved to the state that laser beams emitted by the two laser emitting receivers penetrate through a prism of the sliding block and are received by a laser receiving end of the other side, the graduations of the tower ruler are read and recorded; and sequentially measuring the subsequent measuring points, and finally performing difference between every two measuring points to obtain the height difference between the measuring points so as to obtain the arching value of the large-span structure. The device and the method overcome the defects of the traditional arch camber value measurement, have simple structure and convenient operation and use, can quickly measure the multi-point arch camber value or the height difference on the same straight line, and effectively improve the measurement efficiency.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic view of a laser transmitter-receiver and a tripod in the present measuring device;
FIG. 2 is a schematic view of a tower ruler in the measuring device;
FIG. 3 is a schematic diagram of the measurement method.
Detailed Description
Embodiment as shown in fig. 1 and fig. 2, the device for rapidly measuring arching value of a large-span structure of the invention comprises two laser transmitter-receivers 1, a tower ruler 2 and a tripod 3, wherein the laser transmitter-receivers 1 comprise a housing 11, a laser receiving end 12 and a first laser transmitting end 13 which are arranged on the same side surface of the housing 11, and a level gauge 14 arranged on the top surface of the housing 11; the sopwith staff 2 includes scale body 21, base 22, stopper 23 and slider 24, base 22 and stopper 23 are located respectively the bottom and the top of scale body 21, slider 24 is located scale body 21 slides along scale body 21, 24 top surfaces of slider are equipped with spirit level 25 respectively in scale body 21 both sides, the side is equipped with the through-hole respectively and is equipped with prism 26 in the through-hole in scale body 21 both sides, laser emission receiver 1 locates on tripod 3, two laser emission receivers pass through tripod interval arrangement, the sopwith staff is located between two laser emission receivers to the laser of a laser emission receiver by first laser emission end transmission is located the prism of slider is received by another laser emission receiver's laser receiving terminal. Wherein, the laser emitting end has the characteristics of high accuracy and non-divergent emitting light; the stopper of the sliding staff avoids the sliding block from slipping off the graduated scale body.
Preferably, the laser transmitter-receiver 1 further comprises a second laser emitting end 15 disposed on the bottom surface of the housing 11. The second laser emitting end is used for accurately aligning the control point.
Preferably, the laser transmitter-receiver 1 further comprises a parameter display screen 16 and an information input panel 17, wherein the parameter display screen 16 and the information input panel 17 are disposed on the side surface of the housing 11 and below the laser receiving end 12 and the first laser emitting end 13. The parameter display screen is used for visually displaying the laser transmitting and receiving condition and whether the instrument is placed horizontally, and the information input panel is used for recording and measuring related parameters and actually measured data, so that later-period data can be conveniently exported and sorted.
Preferably, the laser receiving end 12 of the laser transmitter-receiver 1 includes a prism and a laser receiving head, and the laser receiving head is disposed behind the focal point of the prism.
A method for rapidly measuring the arching value of a large-span structure by adopting the measuring device comprises the following steps:
the method comprises the following steps that firstly, two laser transmitting and receiving devices 1 are respectively placed on a tripod 3 and fastened, the two laser transmitting and receiving devices 1 are respectively arranged at two ends of a large-span structure 4 to be detected through the tripod 3, the tripod 3 is adjusted to enable the two laser transmitting and receiving devices 1 to be located on the same horizontal plane, and transmitted laser signals can be mutually received so as to confirm whether laser light sources are located on the same plane;
step two, erecting the sopwith staff 2 at a measuring point of a large-span structure 4 between two laser emitting receivers 1, moving the slide block along the graduated scale body, ensuring the verticality of the sopwith staff through a level gauge on the top surface of the slide block in the sliding process, and reading and recording the graduations of the sopwith staff at the sliding position of the slide block when the slide block moves until laser beams 5 emitted by the two laser emitting receivers 1 pass through a prism of the slide block and are received by the laser receivers of the other side;
and step three, sequentially measuring each subsequent measuring point according to the step two, and finally performing difference between every two measuring points to obtain the height difference between the measuring points, thereby obtaining the arching value of the large-span structure.
The device and the method have simple and convenient structural principle and operation mode, can quickly measure the multi-point arching value or height difference on the same straight line, obtain the reading faster than a total station or a theodolite, do not need secondary processing on the measured data, save manpower and material resources and effectively improve the measuring efficiency.
Claims (5)
1. The utility model provides a quick measuring device of large-span structure arching value which characterized in that: the device comprises two laser transmitting receivers, a tower ruler and a tripod, wherein each laser transmitting receiver comprises a shell, a laser receiving end and a first laser transmitting end which are arranged on the same side surface of the shell, and a level gauge arranged on the top surface of the shell; the sopwith staff includes scale body, base, stopper and slider, base and stopper are located respectively the bottom and the top of scale body, the slider is located scale body slides along the scale body, the slider top surface is equipped with the spirit level respectively in scale body both sides, the side is equipped with the through-hole respectively and is equipped with the prism in the through-hole in scale body both sides, laser emission receiver locates on the tripod, two laser emission receiver pass through tripod interval arrangement, the sopwith staff is located between two laser emission receiver to a laser emission receiver is located by the laser of first laser emission end transmission the prism of slider is received by another laser emission receiver's laser receiving terminal.
2. The device for rapidly measuring arching value of large-span structure according to claim 1, characterized in that: the laser transmitting receiver also comprises a second laser transmitting end arranged on the bottom surface of the shell.
3. The large-span structure arching value rapid measurement device of claim 1 or 2, characterized in that: the laser transmitting receiver further comprises a parameter display screen and an information input panel, wherein the parameter display screen and the information input panel are arranged on the side face of the shell and are located below the laser receiving end and the first laser transmitting end.
4. The device for rapidly measuring arching value of large-span structure according to claim 3, characterized in that: the laser receiving end of the laser transmitting receiver comprises a prism and a laser receiving head, and the laser receiving head is arranged behind the focus of the prism.
5. A method for rapidly measuring an arching value of a large-span structure by using the measuring device of any one of the claims 1 to 4, wherein the method comprises the following steps: the method comprises the following steps:
the method comprises the following steps that firstly, two laser transmitting and receiving devices are respectively placed on a tripod and fastened, the two laser transmitting and receiving devices are respectively arranged at two ends of a large-span structure to be detected through the tripod, the tripod is adjusted to enable the two laser transmitting and receiving devices to be located on the same horizontal plane, and transmitted laser signals can be mutually received so as to confirm whether laser light sources are located on the same plane or not;
step two, erecting the sopwith staff at a large-span structure measuring point between two laser transmitting and receiving devices, moving the sliding block along the scale body, ensuring the verticality of the sopwith staff through a level gauge on the top surface of the sliding block in the sliding process, and reading and recording the scale of the sopwith staff at the sliding position of the sliding block when the sliding block moves to the state that laser beams transmitted by the two laser transmitting and receiving devices penetrate through a prism of the sliding block and are received by a laser receiving end of the other side;
and step three, sequentially measuring each subsequent measuring point according to the step two, and finally performing difference between every two measuring points to obtain the height difference between the measuring points, thereby obtaining the arching value of the large-span structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877667.8A CN108827232B (en) | 2018-08-03 | 2018-08-03 | Device and method for quickly measuring arching value of large-span structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810877667.8A CN108827232B (en) | 2018-08-03 | 2018-08-03 | Device and method for quickly measuring arching value of large-span structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108827232A CN108827232A (en) | 2018-11-16 |
| CN108827232B true CN108827232B (en) | 2021-06-01 |
Family
ID=64153527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810877667.8A Active CN108827232B (en) | 2018-08-03 | 2018-08-03 | Device and method for quickly measuring arching value of large-span structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108827232B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829492B (en) * | 2020-07-24 | 2021-11-30 | 中交第二航务工程局有限公司 | Laser plummet application-based contact measurement method |
| CN114396917B (en) * | 2022-02-25 | 2023-11-10 | 北京华昊水利水电工程有限责任公司 | Safety detection method and system for rubber dam |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2745900B1 (en) * | 1996-03-08 | 1998-04-17 | R B M S A | DEVICE FOR MEASURING THE TOTAL HEIGHT OF A LOADING OF A MOTOR VEHICLE |
| CN102184618B (en) * | 2011-04-21 | 2013-09-11 | 吴良善 | Photoelectric rockfall, landslide and collapse monitoring method, and monitoring and alarming device |
| AT516117B1 (en) * | 2014-07-31 | 2016-05-15 | Leitner Franz | Method and device for laying floor slabs |
| CN105986676B (en) * | 2016-07-07 | 2018-07-10 | 中国建筑第二工程局有限公司 | Large-span concrete floor flatness control system and use method |
| CN206593634U (en) * | 2017-01-21 | 2017-10-27 | 青岛宝利建设有限公司 | A kind of architectural engineering settlement detecting device |
| CN107966133A (en) * | 2018-01-15 | 2018-04-27 | 季志博 | Railway manually track lifting elevation laser control apparatus and its elevation control method |
-
2018
- 2018-08-03 CN CN201810877667.8A patent/CN108827232B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108827232A (en) | 2018-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103644896B (en) | A kind of engineering geological mapping method based on 3 D laser scanning | |
| CN102607516B (en) | Method for measuring standard elevation in nuclear power engineering | |
| CN204329941U (en) | The measurement mechanism of machine tool guideway linearity | |
| CN108827232B (en) | Device and method for quickly measuring arching value of large-span structure | |
| CN102679903A (en) | System for measuring bridge bottom deformation by aid of laser ranging method | |
| CN102621559B (en) | Portable global position system (GPS)-real time kinematic (RTK) rapid auxiliary wall corner point measuring device and measuring method | |
| CN103758017A (en) | Detection method and detection system for three-dimensional pavement elevation grid numerical value | |
| CN109668543A (en) | Inclination measurement method based on laser radar | |
| CN110411479B (en) | Digital calibration system of laser plumb aligner and application | |
| CN109990703A (en) | A kind of size detecting method and system of prefabricated components | |
| CN108981660A (en) | A kind of Opposite side survey method of triangulated height | |
| CN205449052U (en) | Device for measuring building inclination angle by laser | |
| CN101464146B (en) | Measuring method and apparatus for accurately transmitting ground bench level to overhead viaduct | |
| CN206847601U (en) | A kind of Bridge Pier Construction verticality measurement device | |
| CN201094015Y (en) | Total station instrument of automatic target recognizing and collimating | |
| CN105180827A (en) | Device for detecting crane main beam camber curve | |
| CN203148424U (en) | Total station with function of automatic measuring of height of total station | |
| CN112964191B (en) | Micro-deformation laser collimation measurement method | |
| TW469392B (en) | Computer-aided synchronous measuring method | |
| CN201637421U (en) | Laser demarcation instrument digitization detecting device based on linear array CCD (Charge Coupled Device) | |
| CN209927089U (en) | Vehicle height measuring instrument | |
| CN106092044A (en) | building level measuring method | |
| CN107421440A (en) | A kind of method of three dimensional optical measuring square hole vertical difference | |
| CN104132627B (en) | Numerical control machine tool guide rail molded surface rapid detection device and method | |
| CN208736393U (en) | A kind of portable architectural engineering degree of plainness for wall surface detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |