CN206709786U - A kind of laser type concrete straight line bridge deflection test device - Google Patents
A kind of laser type concrete straight line bridge deflection test device Download PDFInfo
- Publication number
- CN206709786U CN206709786U CN201720381943.2U CN201720381943U CN206709786U CN 206709786 U CN206709786 U CN 206709786U CN 201720381943 U CN201720381943 U CN 201720381943U CN 206709786 U CN206709786 U CN 206709786U
- Authority
- CN
- China
- Prior art keywords
- laser
- laser emission
- straight line
- test device
- levelling gear
- 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
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of laser type concrete straight line bridge deflection test device, including fixed mechanism, levelling gear, Laser emission instrument and marking scale；The fixed mechanism is fixed on testing section bridge bottom, and the levelling gear is connected with fixed mechanism, and the Laser emission instrument is connected with levelling gear, and the marking scale is arranged on bearing section girder bottom, and Laser emission instrument reads marking scale reading.The utility model is simple in construction, easy to use, can improve deflection of bridge span testing efficiency, it is ensured that deflection of bridge span measuring accuracy.
Description
Technical field
The utility model belongs to science of bridge building field of measuring technique, and in particular to a kind of laser type concrete straight line bridge is scratched
Spend test device.
Background technology
As the growth of bridge operation phase by loading test, it is necessary to carry out load carrying capacity of bridge evaluation, to ensure bridge
The safety of structure.In addition, design requirement can be reached in order to ensure the bearing capacity of newly building bridge, it is also desirable to newly-built continuous beam
Bridge carries out Test on Bridge Loading.
Test on Bridge Loading is mainly to carry out test analysis to the stress of bridge and amount of deflection, for amount of deflection, mainly pin
Spaning middle section and 1/4 section to bridge.Present deflection test, it usually needs support is set up below testing section, by hundred
Divide table to be placed on support to measure, while dial gauge, the sedimentation of measuring fulcrum position are laid in position of the fulcrum.Fulcrum is made to test
Amount of deflection is f1, bearing test amount of deflection is fBranch, then section f to be measuredScratch=fBranch-f1.Existing test mode is needed at bridge main beam bottom
Portion sets up support, and this will expend a large amount of manpower and materials；Moreover, a section to be measured at least needs to test 2 measuring points（Tested point with
The strong point）, the actural deflection in the section to be measured is just can determine that, point layout is more, easily influences measurement accuracy.
In recent years, scholar is improved method of testing, such as suspension method test, the test of bridge floor spirit level etc..Before
Person is applied to the highly relatively low situation of under-clearance, when under-clearance is higher or bridge under have water when, can not be surveyed
Amount, and it is vulnerable to Wind effects, influence measurement accuracy；The latter carries out repeatedly turn station, and during test due to measurement process needs
It needs to be determined that backsight point need beyond bridge, whole test process is time-consuming and error easily occurs.Therefore, we compel to be essential
Want a bridge deflection test device that can ensure that measurement accuracy.
Utility model content
The purpose of this utility model be to provide it is a kind of simple in construction, it is easy to use, deflection of bridge span testing efficiency can be improved,
Ensure the laser type concrete straight line bridge deflection test device of deflection of bridge span measuring accuracy.
Technical scheme is used by the utility model：
A kind of laser type concrete straight line bridge deflection test device, including fixed mechanism, levelling gear, Laser emission instrument
And marking scale；The fixed mechanism is fixed on testing section bridge bottom, and the levelling gear is connected with fixed mechanism, described to swash
Light transmitter is connected with levelling gear, and the marking scale is arranged on bearing section girder bottom, and Laser emission instrument reads marking scale
Reading.
By such scheme, the fixed mechanism includes insertion nail, support helix muscle, inserts lower end, the support helix muscle of nail
Upper end connected by plug.In use, the upper end insertion testing section bridge bottom of insertion nail, fixation is very convenient, improves
Measurement efficiency.
By such scheme, the levelling gear includes pallet, top nut and lower nut, and the lower end of support helix muscle is worn successively
Top nut, pallet, lower nut are crossed, leveling is carried out by upper lower nut, leveling is very simple.
By such scheme, the Laser emission instrument is connected by connecting rod with levelling gear, to facilitate fixed laser to launch
Instrument.
By such scheme, the Laser emission instrument is placed in Laser emission box, and Laser emission box passes through connecting rod and leveling machine
Structure connects, and the Laser emission box is provided with Laser emission mouth and digital display frame, to facilitate fixed laser transmitter, also causes laser
Transmitter can not be affected by the external environment, and improve measurement accuracy.
By such scheme, the Laser emission box is provided with horizontal bubble, to ensure Laser emission instrument energy accurate reading, carries
High measurement accuracy.
By such scheme, the Laser emission instrument is connected by interface with storage device, to facilitate data to automatically save, just
In post analysis.
By such scheme, Laser emission box is connected by connecting rod with pallet screw twisted.
In bridge span middle position bottom set portion, insertion tested point is followed closely with insertion（Testing section bridge bottom）, blocked by plug
Support helix muscle with pallet；Laser emission instrument is put into Laser emission box, Laser emission box is connected by connecting rod with pallet；
Bearing section girder bottom is installed by marking scale；Laser emission instrument relies on laser readings principle, and laser is got on marking scale, relies on
Bar code on identification marking chi, returned data, data are surveyed in the display of digital display frame, and recorded data in memory card.Read
Marking scale reading is taken, because marking scale is arranged on bearing section girder bottom, has been included in upper load effect undersetting position
Amount of deflection, therefore without again support position lay measuring point, reduce point layout, use manpower and material resources sparingly, also ensure that the standard of measurement
True property.
The beneficial effects of the utility model are：
By fixed mechanism fixed laser transmitter, leveling is carried out to Laser emission instrument by levelling gear, passes through laser
Transmitter reads marking scale data, simple in construction so as to accurately draw deflection of bridge span value, easy for installation, can improve deflection of bridge span
Testing efficiency, it is ensured that deflection of bridge span measuring accuracy；
The utility model is simple in construction, installation facility, can be installed by bridge-checking vehicle during use, without being taken again at bridge bottom
If support, the unfavorable factors such as under-clearance height, environment complexity are overcome, have saved manpower and materials；
The utility model convenient disassembly, it is reusable.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is that laser type concrete straight line bridge deflection test device installs schematic diagram；
Fig. 2 is laser type concrete straight line bridge deflection test device side structure schematic view；
Fig. 3 is the dimensional structure diagram of laser type concrete straight line bridge deflection test device；
Wherein：A, Laser emission component, B, marking scale, 1, insertion nail, 2, plug, 3, support helix muscle, 4, top nut, 5,
Pallet, 6, pallet spiral mouth, 7, connecting rod, 8, Laser emission box, 9, Laser emission mouth, 10, horizontal bubble, 11, memory neck,
12nd, digital display frame, 13, lower nut.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
Referring to Fig. 1, a kind of laser type concrete straight line bridge deflection test device, including Laser emission component A and mark
Chi B, the Laser emission component A include fixed mechanism, levelling gear and Laser emission instrument；Fixed mechanism is fixed on testing section
Bridge bottom, levelling gear are connected with fixed mechanism, and Laser emission instrument is connected with levelling gear, and marking scale is arranged on bearing section
Girder bottom.Fixed mechanism is used to Laser emission instrument being fixed on testing section bridge bottom, and levelling gear is used to send out laser
Penetrate instrument and carry out leveling, to ensure the accuracy of test, Laser emission instrument is used to read marking scale data, to obtain deflection of bridge span
Value.
Referring to Fig. 2 and Fig. 3, in order that it is simple in construction, be easy to install, also for measurement efficiency is improved, fixed mechanism can wrap
Insertion nail 1, support helix muscle 3 are included, lower end, the upper end of support helix muscle 3 of insertion nail 1 are connected by plug 2.In use, insert
Enter the upper end insertion testing section bridge bottom of nail 1.In order to facilitate leveling, it is ensured that measurement accuracy, the levelling gear include
Pallet 5, top nut 4 and lower nut 13, the lower end of support helix muscle 3 sequentially pass through top nut 4, pallet 5, lower nut 13, passed through
Upper lower nut carries out leveling, and leveling is very simple.Laser emission instrument is installed in order to facilitate fixation, pallet spiral shell is provided with pallet 5
Revolve mouth 6；Laser emission instrument is placed in Laser emission box 8, Laser emission box 8 is connected with one end of connecting rod 7, connecting rod 7 it is another
End is stretched into pallet spiral mouth 6 to be connected with the pallet 5 of levelling gear.In order to facilitate use, laser is provided with Laser emission box 8
Emission port 9 and digital display frame 12, the laser of Laser emission instrument transmitting pass through the reading of reading marking scale B after Laser emission mouth 9, operation
Personnel can check the reading on digital display frame 12.
In order to ensure measurement accuracy, horizontal bubble 10 can be set on Laser emission box 8；, can for the ease of the preservation of data
Memory neck 11 is set on Laser emission box 8, storage device is connected by remembering neck 11 with Laser emission instrument, Laser emission instrument
Data are automatically saved in storage device, to analyze and data inspection.
During installation, according to tested point position, 31 insertion positions of insertion nail are determined, insertion nail 1 is inserted by bore mode
Enter testing section bridge bottom, 3 support helix muscle 3 are inserted into insertion 1 afterbody of nail, by support helix muscle 3 and inserted by plug 2
Enter nail 1 to be fixed, the connected mode has preferable vertical shear strength and stability.Pallet 5 is fixed on 3 support spiral shells
Revolve on muscle 3, reserved pallet spiral mouth 6 among pallet 5, to fixed laser launch-box 8.The surface band connection of Laser emission box 8
Bar 7, connecting rod 7 are connected by pallet spiral mouth 6 with pallet 5.Now, the horizontal bubble of the side installation of Laser emission box 8 is observed
10, the top nut 4 at the top of adjustment pallet 5, ensure that the bubble in horizontal bubble 10 is placed in the middle so that whole Laser emission box 8 is in
One horizontality, even if the Laser emission instrument in Laser emission box 8 is also at horizontality.Laser emission instrument is supplied using battery
Electricity.Testing laser launches position, adjusts laser level angle, laser is shone directly into positioned at bearing section girder bottom
Marking scale B on.
During experiment, the laser of Laser emission instrument transmitting passes through Laser emission mouth 9, injects on marking scale B, passes through laser readings
Principle, test data return laser light transmitter is shown that operating personnel check the data by digital display frame 12.Storage device
Data are automatically saved.
After end to be tested, Laser emission component A and marking scale B are dismantled using bridge inspection vehicle.Insertion follows closely 1
Alternative easily-consumed products, if can not extract, it can only remove other assemblies part.When for later use, insertion nail 1 is only equipped with again
.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (5)
- A kind of 1. laser type concrete straight line bridge deflection test device, it is characterised in that：Including fixed mechanism, levelling gear, Laser emission instrument and marking scale；The fixed mechanism is fixed on testing section bridge bottom, the levelling gear and fixed mechanism Connection, the Laser emission instrument are connected with levelling gear, and the marking scale is arranged on bearing section girder bottom, Laser emission instrument Read marking scale reading；The fixed mechanism includes insertion nail, support helix muscle, inserts the lower end of nail, the upper end of support helix muscle is connected by plug Connect；The levelling gear includes pallet, top nut and lower nut, the lower end of support helix muscle sequentially pass through top nut, pallet, Lower nut.
- 2. laser type concrete straight line bridge deflection test device according to claim 1, it is characterised in that：The laser Transmitter is connected by connecting rod with levelling gear.
- 3. laser type concrete straight line bridge deflection test device according to claim 1 or 2, it is characterised in that：It is described Laser emission instrument is placed in Laser emission box, and Laser emission box is connected by connecting rod with levelling gear, on the Laser emission box Provided with Laser emission mouth and digital display frame.
- 4. laser type concrete straight line bridge deflection test device according to claim 3, it is characterised in that：The laser Launch-box is provided with horizontal bubble.
- 5. laser type concrete straight line bridge deflection test device according to claim 3, it is characterised in that：The laser Transmitter is connected by interface with storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381943.2U CN206709786U (en) | 2017-04-12 | 2017-04-12 | A kind of laser type concrete straight line bridge deflection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720381943.2U CN206709786U (en) | 2017-04-12 | 2017-04-12 | A kind of laser type concrete straight line bridge deflection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206709786U true CN206709786U (en) | 2017-12-05 |
Family
ID=60454931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720381943.2U Expired - Fee Related CN206709786U (en) | 2017-04-12 | 2017-04-12 | A kind of laser type concrete straight line bridge deflection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206709786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485412A (en) * | 2021-12-13 | 2022-05-13 | 佛山市公路桥梁工程监测站有限公司 | Bridge deflection measuring device and control method |
-
2017
- 2017-04-12 CN CN201720381943.2U patent/CN206709786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485412A (en) * | 2021-12-13 | 2022-05-13 | 佛山市公路桥梁工程监测站有限公司 | Bridge deflection measuring device and control method |
| CN114485412B (en) * | 2021-12-13 | 2024-02-20 | 佛山市公路桥梁工程监测站有限公司 | Bridge deflection measuring device and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105155593A (en) | Deformation-visible pile foundation model test loading box | |
| CN104535420B (en) | The method of railway bed soil deformation state load threshold value under measure static load | |
| CN108955495B (en) | Tunnel suspension column flange angle measuring tool and angle measuring method | |
| CN203824548U (en) | Bridge structure concrete surface observation area measuring instrument | |
| CN206709786U (en) | A kind of laser type concrete straight line bridge deflection test device | |
| CN206056769U (en) | A kind of pedestal | |
| CN201598625U (en) | Static cone penetration equipment | |
| CN206847601U (en) | A kind of Bridge Pier Construction verticality measurement device | |
| CN205642305U (en) | Detect hoist camber's device | |
| CN108204799B (en) | Device and method for measuring inclination, settlement, stretching and deformation of house foundation under mining influence | |
| CN205909775U (en) | Rapid survey bridge amount of deflection device | |
| CN106969693A (en) | A kind of expansion filling body test block expansion rate determines device | |
| CN104949739B (en) | Device for field calibration large scale liquid level sensor | |
| CN204944391U (en) | Depth of thread rule depth calibration device | |
| CN206638155U (en) | Multiple dimensioned displacement measurement synchronous calibration device | |
| CN109163700A (en) | Walking hydrostatic level and leveling measuring method | |
| CN108180860B (en) | Deformation measuring device and method for building foundation under mining influence | |
| CN211085218U (en) | Precision measurement combined tool for dynamic calibration of angle of inclined base plane | |
| CN106932160A (en) | Ancient building stress analysis method | |
| CN208012579U (en) | For bridge static loading test vertical deflection measuring device | |
| CN209131551U (en) | Portable multi-function phytobiocoenose researching tool | |
| CN206818184U (en) | A kind of construction management measurement apparatus | |
| CN206399394U (en) | A kind of accurate steel ruler convergence device | |
| CN205934996U (en) | Testing arrangement is united to precast pile pile bolck horizontal displacement and pile body stress | |
| CN202247834U (en) | Portable automatic penetration instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171205 Termination date: 20190412 |