CN106644323A - Steel beam test model measuring device and testing method thereof - Google Patents
Steel beam test model measuring device and testing method thereof Download PDFInfo
- Publication number
- CN106644323A CN106644323A CN201611209452.6A CN201611209452A CN106644323A CN 106644323 A CN106644323 A CN 106644323A CN 201611209452 A CN201611209452 A CN 201611209452A CN 106644323 A CN106644323 A CN 106644323A
- Authority
- CN
- China
- Prior art keywords
- girder steel
- reaction frame
- reflecting plate
- model
- base
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a steel beam test model measuring device which comprises a steel beam model, a support, a reaction frame system, a load loading system, a strain value testing system and a deformation value testing system. The steel beam model is I-shaped steel formed by combining an upper flange, a web plate and a lower flange; the load loading system is arranged at the center of the upper flange bestriding the steel beam model; the lower end of the reaction frame system is fixed on the ground and the upper end of the reaction frame system is arranged vertical to the bestriding direction of the steel beam model; the upper surface of the load loading system and the lower surface of the upper end of the reaction frame system are arranged in a laminated manner; the strain value testing system is connected to the web plate; and the deformation value testing system is connected to the upper flange, the lower flange or the web plate. The invention further provides the steel beam test model measuring device and a testing method thereof. The device and method provided by the invention have the beneficial effects the cost is saved, the operation is flexible, the measuring precision is high, and the work efficiency is high.
Description
Technical field
The present invention relates to structural steelwork technical field, more particularly to a kind of girder steel test model measurement apparatus and its test
Method.
Background technology
Girder steel is a kind of common steel structure member, is widely used in the engineerings such as building, bridge, harbour.Steel
Beam is constantly subjected to both domestic and external as the research of the stress deformation of component important in steel construction, large span and different in nature section Steel Beams
Pay attention to.
In structural steelwork, carrying out the prototype test of live girder steel not only needs substantial amounts of human and material resources, and exists
The restriction of the problems such as test apparatus, test site, experimental safe.This has also promoted researcher grinding to girder steel performance
Study carefully and focus in laboratory.It is not only that the theoretical research of girder steel provides test data and testing and verification, and is tied for engineering
Structure design serves reference role.
In existing girder steel model measurement process of the test, the deformation values of girder steel model are generally determined using dial gauge, in examination
Need ceaselessly to adjust dial gauge position during testing, and it cannot be guaranteed that dial gauge contact is vertical with steel beam surface all the time, easily lead
Measurement result accuracy is caused to reduce.
The content of the invention
The technical problem to be solved is to provide a kind of cost-effective, flexible operation, and certainty of measurement is high, work effect
A kind of high girder steel test model measurement apparatus of rate and its test method.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of girder steel test model measurement apparatus, including steel
Beam model, bearing, reaction frame system, load loading system, strain value measurement system and deformation values measurement system；
Bearing is vertically arranged on the ground, and girder steel model level is placed between bearing, and girder steel model is by top flange, abdomen
The i shaped steel that plate and lower flange combine, top flange and lower flange are the level of state up and down setting, and web is vertically arranged in
Between top flange and lower flange, and the middle part of top flange and lower flange connects respectively the upper and lower ends of web, the horizontal stroke of girder steel model
Cross sectional shape for I-shaped,
Load loading system for determining girder steel Model load value is arranged on girder steel model span centre top flange center,
The lower end of reaction frame system fixes on the ground, and upper end is vertically arranged with girder steel model span center line, and counter-force
The two ends of frame system upper end are symmetrical arranged centered on the center of girder steel model cross section top flange, load loading system
Upper surface is fitted setting with the lower surface of reaction frame system upper end,
Strain value measurement system for determining girder steel model strain value is connected with web,
Deformation values measurement system for determining girder steel model deformation value is connected with top flange, lower flange or web.
Further：Reaction frame system includes reaction frame crossbeam, reaction frame column and reaction frame base；Reaction frame base and ground
Face is fixedly connected, and reaction frame column is provided with two, and two reaction frame columns are arranged on the both sides of web height direction center line, and two
The lower end of individual reaction frame column is symmetricly set on the two ends of reaction frame base, and upper end extends straight up, two reaction frame columns
The adjustable reaction frame crossbeam of placing height is provided between upper end, reaction frame crossbeam be arranged in parallel with reaction frame base, and and steel
The length direction of beam model cross section top flange is horizontally disposed with.
Further：Load loading system includes rigid press strip, jack, load transducer and numerical value dynamometer；Rigidity pressure
Bar is arranged on the center position of the upper surface of top flange, and jack is arranged on the center position of rigid press strip upper surface, lotus
Set sensor is arranged on the center position of jack upper surface, the upper surface of load transducer and the lower surface of reaction frame crossbeam
Laminating is arranged, and load transducer is connected with numerical value dynamometer by wire.
Further：Strain value measurement system includes resistance strain gage, program control statical strain indicator and the first data processing computer；
Resistance strain gage is provided with multiple, and multiple resistance strain gages are disposed on the center line in web height direction, resistance strain gage
Program control statical strain indicator is connected by wire, program control statical strain indicator is connected to record girder steel model strain value by wire
First data processing computer.
Further：Deformation values measurement system includes laser displacement sensor, chuck type base, plain base magnetic base, letter
Number converter and the second data processing computer；Laser displacement sensor, chuck type base and plain base magnetic base are provided with multiple,
Laser displacement sensor is connected respectively with one end of corresponding chuck type base or one end of plain base magnetic base, chuck type
The other end of base is connected with the edge of top flange or lower flange, the other end of plain base magnetic base and web or
The lower surface of lower flange is connected, and laser displacement sensor is turned by wire with the signal of reception and the conversion for realizing measurement data
Parallel operation is connected, and signal adapter is connected by wire with the second data processing computer of record girder steel model deformation value.
Further：The lower end of laser displacement sensor is provided with balancing weight.
Further：Also include the light face reflection unit for making girder steel model precise alignment；Light face reflection unit includes perpendicular
, to reflecting plate, weight and spirit level, vertical reflecting plate is rectangular slab for the straight vertical reflecting plate for arranging, horizontally disposed level, and
Two are provided with, two vertical reflecting plates are connected respectively with two reaction frame columns, and are symmetrical arranged, the lower end of vertical reflecting plate
It is connected to make vertical reflecting plate all the time in the weight of vertical state by flexible steel cable, vertical reflecting plate is provided with level
Device；Level to reflecting plate is rectangular slab, and level is arranged on the upper surface of reaction frame base to reflecting plate, and positioned at girder steel model across
The underface of middle lower flange, level to four side midpoints of reflecting plate are provided with spirit level.
Further：Level to four right angles of reflecting plate are provided with for adjusting level to the micro- of reflection plate flatness
Screw rod, level to reflecting plate is adjusted to be connected by finely tuning screw rod with reaction frame base.
Further：The first spacing collar is arranged with reaction frame column, the first spacing collar is fixed with the outer wall of reaction frame column
Connection, single hinge is provided with the first spacing collar in the side near vertical reflecting plate, near the first spacing collar on vertical reflecting plate
Side be provided with another single hinge, the first spacing collar is connected with vertical reflecting plate by two single hinges.
Further：A kind of test method of girder steel test model measurement apparatus, comprises the steps：
S1：The girder steel model for being pasted with resistance strain gage is arranged on into the middle part of reaction frame system in the form of simply supported beam；
S2：The horizontal depth of beam of positioning counter-force frame；
S3：Load transducer, and fixed jack are installed, rigid press strip is set between girder steel model and jack；
S4：Plain base magnetic base and chuck type base be arranged on successively the point position of girder steel model, then by laser
Displacement transducer is clamped on plain base magnetic base and chuck type base, and ensures that laser displacement sensor can be rotated freely；
S5：Light face reflection unit is installed, vertical reflecting plate is fixed on reaction frame column, by flexible steel cable by weight
It is lifted on the lower end of vertical reflecting plate；
S6：Resistance strain gage, program control statical strain indicator and the first data processing computer are sequentially connected by wire；By lotus
Set sensor is connected with numerical value dynamometer by wire；By laser displacement sensor, signal adapter and the second data processing
Computer is sequentially connected by wire；
S7：By load transducer and numerical value dynamometer, the accurate hierarchical loading of jack, laser displacement sensor are realized
The accurate deformation values for determining girder steel model, by the second data processing computer for analysis and display deformation Value Data；Program control static state should
Become the strain value of the girder steel model that instrument is surveyed, by the first data processing computer for analysis and display strain Value Data.
Based on above-mentioned technical proposal, the invention has the beneficial effects as follows：
1st, a kind of girder steel test model measurement apparatus of the invention, girder steel experimental study must be by large-scale before solving
The drawbacks of testing equipment just can be carried out, cost-effective, certainty of measurement is high, and high working efficiency greatly shortens the duration, and greatly carries
The precision that high girder steel deflection is determined, it is ensured that girder steel payload values, strain value, deformation Value Data keep preferable in process of the test
Synchronism；
2nd, a kind of girder steel test model measurement apparatus of the invention, the laser beam centrality that laser displacement sensor is launched
Preferably, horizontal or vertical state can be remained, is not required to go ceaselessly to adjust in process of the test, and digital independent interval can be with
Choose by test requirements document；
3rd, a kind of girder steel test model measurement apparatus of the invention, light face reflection unit can play positioning to girder steel model
With the precise alignment after guarantee girder steel model hypothesis.
Description of the drawings
Fig. 1 is the structural representation of the front view of the present invention；
Fig. 2 is the structural representation of the side view of the present invention；
Fig. 3 is the structural representation in two kinds of Laser emission directions of laser displacement sensor of the present invention；
Fig. 4 is the structural representation of plain base magnetic base of the present invention；
Fig. 5 is the structural representation of chuck type base of the present invention；
Fig. 6 is the structural representation of vertical reflecting plate of the invention and the first spacing collar；
Fig. 7 is structural representation of the level of the present invention to reflecting plate；
Fig. 8 is the structural representation of U-shaped buckle of the present invention；
Fig. 9 is the structural representation of the first spacing collar of the invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, girder steel model, 2, rigid press strip, 3, jack, 4, load transducer, 5, reaction frame crossbeam, 6, counter-force erects
Post, the 7, second spacing collar, 8, reaction frame base, 9, anchor (bolt) hole, 10, laser displacement sensor, 11, chuck type base, 12,
Clamp nut, 13, plain base magnetic base, 14, resistance strain gage, 15, vertical reflecting plate, the 16, first spacing collar, 17, steel wire
Rope preformed hole, 18, flexible steel cable, 19, weight, 20, fine setting screw rod, 21, level to reflecting plate, 22, program control statical strain indicator,
23rd, the first data processing computer, 24, wire, 25, signal adapter, 26, numerical value dynamometer, 27, spirit level, 28, U-shaped buckle,
29th, single hinge, 30, balancing weight, the 31, second data processing computer.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
As shown in figure 1, a kind of girder steel test model measurement apparatus, including girder steel model 1, bearing, reaction frame system, load
Loading system, strain value measurement system and deformation values measurement system；
Bearing is vertically arranged on the ground, and girder steel model 1 is lain in a horizontal plane between bearing, girder steel model 1 be by top flange,
The i shaped steel that web and lower flange combine, top flange and lower flange are the level of state up and down setting, and web is vertically arranged
Between top flange and lower flange, and the middle part of top flange and lower flange connects respectively the upper and lower ends of web, girder steel model 1
Shape of cross section for I-shaped,
Load loading system for determining the load value of girder steel model 1 is arranged on the span centre top flange center of girder steel model 1,
The lower end of reaction frame system fixes on the ground, and upper end is vertically arranged with the span center line of girder steel model 1, and counter-force
The two ends of frame system upper end are symmetrical arranged centered on the center of the cross section top flange of girder steel model 1, load loading system
Upper surface fit with the lower surface of reaction frame system upper end setting,
Strain value measurement system for determining the strain value of girder steel model 1 is connected with web,
Deformation values measurement system for determining the deformation values of girder steel model 1 is connected with top flange, lower flange or web.
Further：Reaction frame system includes reaction frame crossbeam 5, reaction frame column 6 and reaction frame base 8；Reaction frame base 8
It is fixedly connected with the ground, reaction frame base 8 is fixed by ground bolt through the anchor (bolt) hole 9 that the reaction frame base is reserved
On level ground, reaction frame column 6 is provided with two, and two reaction frame columns 6 are arranged on the two of web height direction center line
Side, the lower end of two reaction frame columns 6 is symmetricly set on the two ends of reaction frame base 8, and upper end extends straight up, two counter-forces
Erect and be provided with the adjustable reaction frame crossbeam 5 of placing height between the upper end of post 6, reaction frame crossbeam 5 is parallel with reaction frame base 8 to be set
Put, and be horizontally disposed with the length direction of the cross section top flange of girder steel model 1.
Reaction frame crossbeam 5 is fixed by two the second spacing collars 7 up and down being arranged on reaction frame column 6.
Load loading system includes rigid press strip 2, jack 3, load transducer 4 and numerical value dynamometer 26；Rigid press strip 2
The center position of the upper surface of top flange is arranged on, jack 3 is arranged on the center position of the upper surface of rigid press strip 2, lotus
Set sensor 4 is arranged on the center position of the upper surface of jack 3, under the upper surface of load transducer 4 and reaction frame crossbeam 5
Surface laminating is arranged, and load transducer 4 is connected with numerical value dynamometer 26 by wire 24.Rigid press strip 2, jack 3 and load
The center line of sensor 4 is on same vertical line.
Strain value measurement system includes resistance strain gage 14, the data processing computer 23 of program control statical strain indicator 22 and first；
Resistance strain gage 14 is provided with multiple, and multiple resistance strain gages 14 are disposed on the center line in web height direction, and resistance should
Become piece 14 and program control statical strain indicator 22 is connected by wire 24, program control statical strain indicator 22 is connected to record steel by wire 24
First data processing computer 23 of the strain value of beam model 1.
Deformation values measurement system includes laser displacement sensor 10, chuck type base 11, plain base magnetic base 13, signal
The data processing computer 31 of converter 25 and second；Laser displacement sensor 10, chuck type base 11 and plain base magnetic base 13
It is provided with multiple, laser displacement sensor 10 is respectively with the one of one end of corresponding chuck type base 11 or plain base magnetic base 13
End is connected, and the other end of chuck type base 11 is connected with the edge of top flange or lower flange, plain base magnetic base
13 other end is connected with the lower surface of web or lower flange, and laser displacement sensor 10 is by wire 24 and realization measurement
The signal adapter 25 of reception with the conversion of data is connected, and signal adapter 25 is become by wire 24 with record girder steel model 1
Second data processing computer 31 of shape value is connected.
Fixed by clamp nut 12 behind the top flange of the insertion girder steel of chuck type base 11 model 1 or lower flange, it is flat
Formula magnetic base 13 is then by the magnetic-adsorption of itself on the surface of girder steel model 1.
The lower end of laser displacement sensor 10 is provided with balancing weight 30.
Horizontal direction laser displacement sensor 10 is provided with balancing weight 30, vertical laser position along the bottom in Laser emission direction
Export department of the displacement sensor 10 perpendicular to Laser emission direction is provided with balancing weight 30, and balancing weight 30 is to ensure girder steel model 1
The projecting direction of laser remains constant in deformation process, improves the precision of measurement, simple and easy to operate.
Also include the light face reflection unit for making the precise alignment of girder steel model 1；Light face reflection unit includes being vertically arranged
Vertical reflecting plate 15, horizontally disposed level to reflecting plate 21, weight 19 and spirit level 27, vertical reflecting plate 15 is rectangle
Plate, and it is provided with two, two vertical reflecting plates 15 are connected respectively with two reaction frame columns 6, and are symmetrical arranged, vertical reflection
The lower end of plate 15 is connected to make vertical reflecting plate 15 all the time in the weight 19 of vertical state by flexible steel cable 18, vertical anti-
Penetrate plate 15 and be provided with spirit level 27, if the bubble in spirit level 27 is substantially placed in the middle, illustrate that vertical reflecting plate 15 is in vertical state；
Level to reflecting plate 21 is rectangular slab, and level is arranged on the upper surface of reaction frame base 8 to reflecting plate 21, and positioned at girder steel model
The underface of 1 span centre lower flange, level to four side midpoints of reflecting plate 21 are provided with spirit level 27, if in spirit level 27
Substantially according between two parties, then level is in horizontality to reflecting plate 21 for foaming.
The lower end of vertical reflecting plate 15 is provided with steel wire rope preformed hole 17, and the movable end of flexible steel cable 18 passes steel wire rope and reserves
Hole 17, and stretched by the fastening of U-shaped buckle 28.
Level to four right angles of reflecting plate 21 are provided with for adjusting level to the fine setting of the flatness of reflecting plate 21
Screw rod 20, level to reflecting plate 21 is connected with reaction frame base 8 by fine setting screw rod 20.
The first spacing collar 16 is arranged with reaction frame column 6, the first spacing collar 16 is fixed with the outer wall of reaction frame column 6 and connected
Connect, single hinge 29 is being provided near the side of vertical reflecting plate 15 on the first spacing collar 16, near first on vertical reflecting plate 15
The side of spacing collar 16 is provided with another single hinge 29, and the first spacing collar 16 is connected with vertical reflecting plate 15 by two single hinges 29.
First spacing collar 16 includes two semicircular steel rings, and one end of two steel rings is hinged, and the other end is connected by fastener
Connect.
A kind of test method of girder steel test model measurement apparatus, comprises the steps：
S1：The girder steel model 1 for being pasted with resistance strain gage 14 is arranged in reaction frame system in the form of simply supported beam
Portion；
S2：The height of positioning counter-force frame crossbeam 5；
S3：Load transducer 4, and fixed jack 3 are installed, rigid press strip is set between girder steel model 1 and jack 3
2；
S4：Plain base magnetic base 13 and chuck type base 11 are arranged on successively the point position of girder steel model 1, then will
Laser displacement sensor 10 is clamped on plain base magnetic base 13 and chuck type base 11, and ensures laser displacement sensor 10
Can rotate freely；
S5：Light face reflection unit is installed, vertical reflecting plate 15 is fixed on reaction frame column 6, by flexible steel cable 18
Weight 19 is lifted on into the lower end of vertical reflecting plate 15；
S6：Resistance strain gage 14, the data processing computer 23 of program control statical strain indicator 22 and first are passed through into wire 24 successively
Connection；Load transducer 4 is connected with numerical value dynamometer 26 by wire 24；By the conversion of laser displacement sensor 10, signal
The data processing computer 31 of device 25 and second is sequentially connected by wire 24；
S7：By load transducer and numerical value dynamometer 26, the accurate hierarchical loading of jack 3 is realized, laser displacement is passed
Sensor 10 accurately determines the deformation values of girder steel model 1, and deformation Value Data is analyzed and shown by the second data processing computer 31；Journey
The strain value of the girder steel model 1 that control statical strain indicator 22 is surveyed, by the first data processing computer 23 strain value number is analyzed and shows
According to.
A kind of girder steel test model measurement apparatus of the present invention, girder steel experimental study must be by large-scale examination before solving
Cost-effective the drawbacks of testing equipment and just can carry out, certainty of measurement is high, and high working efficiency greatly shortens the duration, and is greatly enhanced
The precision that girder steel deflection is determined, it is ensured that girder steel payload values, strain value, deformation Value Data keep preferably same in process of the test
Step property；The laser beam centrality that laser displacement sensor 10 is launched preferably, can remain horizontal or vertical state, be not required to
Go ceaselessly to adjust in process of the test, and digital independent interval can be chosen by test requirements document；Light face reflection unit can be to steel
Beam model 1 plays positioning and ensures the precise alignment after the erection of girder steel model 1.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of girder steel test model measurement apparatus, it is characterised in that：Including girder steel model (1), bearing, reaction frame system, load
Lotus loading system, strain value measurement system and deformation values measurement system；
The bearing is vertically arranged on the ground, and the girder steel model (1) is lain in a horizontal plane between the bearing, the girder steel mould
Type (1) is the i shaped steel combined by top flange, web and lower flange, and the top flange and the lower flange are in up and down water
Level state is arranged, and the web is vertically arranged between the top flange and the lower flange, and the top flange and it is described under
The middle part on the edge of a wing connects respectively the upper and lower ends of the web, the shape of cross section of the girder steel model (1) be it is I-shaped,
The load loading system for determining girder steel model (1) load value is arranged on girder steel model (1) span centre
Top flange center,
The lower end of the reaction frame system fixes on the ground, and upper end is vertically arranged with girder steel model (1) the span center line,
And the two ends of the reaction frame system upper end are symmetrically set centered on the center of girder steel model (1) the cross section top flange
Put, the upper surface of the load loading system is fitted setting with the lower surface of the reaction frame system upper end,
The strain value measurement system for determining girder steel model (1) strain value is connected with the web,
For determining the deformation values measurement system and the top flange, the lower flange of girder steel model (1) deformation values
Or the web is connected.
2. a kind of girder steel test model measurement apparatus according to claim 1, it is characterised in that：The reaction frame system bag
Include reaction frame crossbeam (5), reaction frame column (6) and reaction frame base (8)；The reaction frame base (8) is fixedly connected with the ground,
The reaction frame column (6) is provided with two, and two reaction frame columns (6) are arranged on web height direction center line
Both sides, the lower end of two reaction frame columns (6) is symmetricly set on the two ends of the reaction frame base (8), upper end vertically to
Upper extension, is provided with the adjustable reaction frame crossbeam (5) of placing height between two reaction frame column (6) upper ends, described anti-
Power frame crossbeam (5) be arranged in parallel with the reaction frame base (8), and with the length of girder steel model (1) the cross section top flange
Direction is horizontally disposed with.
3. a kind of girder steel test model measurement apparatus according to claim 2, it is characterised in that：The load loading system
Including rigid press strip (2), jack (3), load transducer (4) and numerical value dynamometer (26)；The rigid press strip (2) is arranged on
The center position of the upper surface of the top flange, the jack (3) is arranged on the center of rigid press strip (2) upper surface
At position, the load transducer (4) is arranged on the center position of the jack (3) upper surface, the load transducer
(4) upper surface is fitted setting with the lower surface of the reaction frame crossbeam (5), and the load transducer (4) is by wire (24)
It is connected with numerical value dynamometer (26).
4. a kind of girder steel test model measurement apparatus according to claim 3, it is characterised in that：The strain value determines system
System includes resistance strain gage (14), program control statical strain indicator (22) and the first data processing computer (23)；The resistance strain gage
(14) it is provided with multiple, multiple resistance strain gages (14) are disposed on the center line in the web height direction, described
Resistance strain gage (14) connects the program control statical strain indicator (22) by wire (24), and the program control statical strain indicator (22) is led to
Cross wire (24) to be connected to record the first data processing computer (23) of girder steel model (1) strain value.
5. a kind of girder steel test model measurement apparatus according to claim 4, it is characterised in that：The deformation values determine system
System includes laser displacement sensor (10), chuck type base (11), plain base magnetic base (13), signal adapter (25) and the
Two data processing computers (31)；The laser displacement sensor (10), the chuck type base (11) and the plain base magnetic force
Base (13) is provided with multiple, the laser displacement sensor (10) respectively with one end of the corresponding chuck type base (11) or
One end of the plain base magnetic base (13) is connected, the other end of the chuck type base (11) and the top flange or
The edge of the lower flange is connected, the other end and the web or the bottom wing of the plain base magnetic base (13)
The lower surface of edge is connected, and the laser displacement sensor (10) is by wire (24) and the reception and conversion of realizing measurement data
The signal adapter (25) be connected, the signal adapter (25) by wire (24) with record the girder steel model
(1) the second data processing computer (31) of deformation values is connected.
6. a kind of girder steel test model measurement apparatus according to claim 5, it is characterised in that：The laser displacement sensing
The lower end of device (10) is provided with balancing weight (30).
7. a kind of girder steel test model measurement apparatus according to claim 6, it is characterised in that：Also include described for making
The light face reflection unit of girder steel model (1) precise alignment；The smooth face reflection unit includes the vertical reflecting plate being vertically arranged
(15), to reflecting plate (21), weight (19) and spirit level (27), the vertical reflecting plate (15) is provided with two to horizontally disposed level
Individual, two vertical reflecting plates (15) are connected respectively with two reaction frame columns (6), and are symmetrical arranged, described perpendicular
It is connected to make the vertical reflecting plate (15) be in vertical shape all the time by flexible steel cable (18) to the lower end of reflecting plate (15)
The weight (19) of state, the vertical reflecting plate (15) is provided with the spirit level (27)；The level is to reflecting plate (21)
For rectangular slab, the level is arranged on the upper surface of the reaction frame base (8) to reflecting plate (21), and positioned at the girder steel mould
The underface of type (1) span centre lower flange, the level to four side midpoints of reflecting plate (21) are provided with the spirit level
(27)。
8. a kind of girder steel test model measurement apparatus according to claim 7, it is characterised in that：The level is to reflecting plate
(21) four right angles are provided with for adjusting fine setting screw rod (20) of the level to reflecting plate (21) flatness, described
Level to reflecting plate (21) is connected with the reaction frame base (8) by fine setting screw rod (20).
9. a kind of girder steel test model measurement apparatus according to claim 7, it is characterised in that：The reaction frame column
(6) the first spacing collar (16) is arranged with, first spacing collar (16) is fixed with the outer wall of the reaction frame column (6) and connected
Connect, single hinge (29) is being provided near the side of the vertical reflecting plate (15) on first spacing collar (16), it is described vertical anti-
Penetrate on plate (15) being provided with another single hinge (29) near the side of first spacing collar (16), first spacing collar (16) with
The vertical reflecting plate (15) is connected by two single hinges (29).
10. the test method of the girder steel test model measurement apparatus described in a kind of claim 8, it is characterised in that including as follows
Step：
S1：The girder steel model (1) for being pasted with the resistance strain gage (14) is arranged in the form of simply supported beam described anti-
The middle part of power frame system；
S2：Position the height of the reaction frame crossbeam (5)；
S3：The load transducer (4) is installed, and the fixation jack (3), in the girder steel model (1) and described very heavy
The rigid press strip (2) is set between top (3)；
S4：Successively the plain base magnetic base (13) and the chuck type base (11) are arranged on into the girder steel model (1)
Point position, then the laser displacement sensor (10) is clamped in into the plain base magnetic base (13) and the chuck type
On base (11), and ensure that the laser displacement sensor (10) can be rotated freely；
S5：The smooth face reflection unit is installed, the vertical reflecting plate (15) is fixed on the reaction frame column (6), lead to
Cross the lower end that weight (19) is lifted on the flexible steel cable (18) the vertical reflecting plate (15)；
S6：By the resistance strain gage (14), the program control statical strain indicator (22) and the first data processing computer (23)
It is sequentially connected by wire (24)；By the load transducer (4) and the numerical value dynamometer (26) by wire (24)
It is connected；By the laser displacement sensor (10), the signal adapter (25) and the second data processing computer (31)
It is sequentially connected by wire (24)；
S7：By the load transducer (4) and the numerical value dynamometer (26), the accurate classification of the jack (3) is realized
Loading, the laser displacement sensor (10) accurately determines the deformation values of the girder steel model (1), at second data
Reason computer (31) analysis and display deformation Value Data；The girder steel model (1) that the program control statical strain indicator (22) is surveyed should
Variate, analyzes and shows strain Value Data by the first data processing computer (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209452.6A CN106644323B (en) | 2016-12-23 | 2016-12-23 | A kind of girder steel test model measuring device and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611209452.6A CN106644323B (en) | 2016-12-23 | 2016-12-23 | A kind of girder steel test model measuring device and its test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644323A true CN106644323A (en) | 2017-05-10 |
| CN106644323B CN106644323B (en) | 2019-03-22 |
Family
ID=58827500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611209452.6A Expired - Fee Related CN106644323B (en) | 2016-12-23 | 2016-12-23 | A kind of girder steel test model measuring device and its test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644323B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535003A (en) * | 2017-06-10 | 2018-09-14 | 武汉轻工大学 | Structural test reaction frame with early warning system |
| CN108896284A (en) * | 2018-05-15 | 2018-11-27 | 滁州职业技术学院 | A kind of steel structure member energy-dissipating and shock-absorbing performance evaluation system and appraisal procedure |
| CN110411356A (en) * | 2019-07-30 | 2019-11-05 | 安徽安凯汽车股份有限公司 | One kind debugging auxiliary system for automobile ECAS |
| CN110702024A (en) * | 2019-10-14 | 2020-01-17 | 袁晓月 | Device for detecting deflection of building structural member |
| CN110749542A (en) * | 2019-11-29 | 2020-02-04 | 大连理工大学 | Device for measuring underwater dynamic and static friction coefficients between plastic plate and steel plate and using method |
| CN111707572A (en) * | 2020-07-10 | 2020-09-25 | 陕西航空电气有限责任公司 | Displacement calibration equipment |
| CN111733758A (en) * | 2020-07-06 | 2020-10-02 | 中海石油（中国）有限公司天津分公司 | Offshore oil production platform, and experimental system and method for jacket platform load transfer |
| CN112525142A (en) * | 2020-12-22 | 2021-03-19 | 中冶天工集团有限公司 | Deformation detection and measurement device for field splicing construction of heavy arched beams and application method thereof |
| CN112649262A (en) * | 2020-12-07 | 2021-04-13 | 江苏科技大学 | Sample preparation and demolding device and sample preparation method for multiple groups of rock and soil samples |
| CN113432891A (en) * | 2021-06-29 | 2021-09-24 | 江铃汽车股份有限公司 | Device and method for testing static bending rigidity of cab of flat-head truck |
| CN115307897A (en) * | 2022-10-10 | 2022-11-08 | 安徽中亚钢结构工程有限公司 | Grog warehouse top room grid structure mechanical property test device and test method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844887A (en) * | 2006-04-30 | 2006-10-11 | 欧进萍 | Three-point bending beam type apparatus for big size material damping test |
| CN201628619U (en) * | 2010-02-25 | 2010-11-10 | 浙江吉利汽车研究院有限公司 | Bumper beam local rigidity measuring device |
| DE102009026002A1 (en) * | 2009-06-19 | 2010-12-23 | Braun, Matthias, Dipl.-Ing. | Device for detecting movement of settlement-sensitive component i.e. supporting structure, of bridge, has angle measuring sensor and displacement sensor for detecting position deviations of tension cable or tension wire |
| CN104215413A (en) * | 2014-09-30 | 2014-12-17 | 福州大学 | Long-term monitoring method applicable to deflection deformation of beam of historic building |
-
2016
- 2016-12-23 CN CN201611209452.6A patent/CN106644323B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844887A (en) * | 2006-04-30 | 2006-10-11 | 欧进萍 | Three-point bending beam type apparatus for big size material damping test |
| DE102009026002A1 (en) * | 2009-06-19 | 2010-12-23 | Braun, Matthias, Dipl.-Ing. | Device for detecting movement of settlement-sensitive component i.e. supporting structure, of bridge, has angle measuring sensor and displacement sensor for detecting position deviations of tension cable or tension wire |
| CN201628619U (en) * | 2010-02-25 | 2010-11-10 | 浙江吉利汽车研究院有限公司 | Bumper beam local rigidity measuring device |
| CN104215413A (en) * | 2014-09-30 | 2014-12-17 | 福州大学 | Long-term monitoring method applicable to deflection deformation of beam of historic building |
Non-Patent Citations (1)
| Title |
|---|
| 潘振: ""钢筋混凝土简支梁试验系统的研制开发"", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535003A (en) * | 2017-06-10 | 2018-09-14 | 武汉轻工大学 | Structural test reaction frame with early warning system |
| CN108535003B (en) * | 2017-06-10 | 2023-10-13 | 武汉轻工大学 | Reaction frame with early warning system for structural test |
| CN108896284A (en) * | 2018-05-15 | 2018-11-27 | 滁州职业技术学院 | A kind of steel structure member energy-dissipating and shock-absorbing performance evaluation system and appraisal procedure |
| CN110411356A (en) * | 2019-07-30 | 2019-11-05 | 安徽安凯汽车股份有限公司 | One kind debugging auxiliary system for automobile ECAS |
| CN110702024B (en) * | 2019-10-14 | 2021-06-15 | 绍兴艾弗笛尼智能科技有限公司 | Device for detecting deflection of building structural member |
| CN110702024A (en) * | 2019-10-14 | 2020-01-17 | 袁晓月 | Device for detecting deflection of building structural member |
| CN110749542A (en) * | 2019-11-29 | 2020-02-04 | 大连理工大学 | Device for measuring underwater dynamic and static friction coefficients between plastic plate and steel plate and using method |
| CN110749542B (en) * | 2019-11-29 | 2024-05-03 | 大连理工大学 | Device for measuring dynamic friction coefficient and static friction coefficient between plastic plate and steel plate under water and use method |
| CN111733758A (en) * | 2020-07-06 | 2020-10-02 | 中海石油（中国）有限公司天津分公司 | Offshore oil production platform, and experimental system and method for jacket platform load transfer |
| CN111733758B (en) * | 2020-07-06 | 2024-09-24 | 中海石油（中国）有限公司天津分公司 | Experimental system and method for load transfer of offshore oil production platform and jacket platform |
| CN111707572A (en) * | 2020-07-10 | 2020-09-25 | 陕西航空电气有限责任公司 | Displacement calibration equipment |
| CN112649262A (en) * | 2020-12-07 | 2021-04-13 | 江苏科技大学 | Sample preparation and demolding device and sample preparation method for multiple groups of rock and soil samples |
| CN112525142A (en) * | 2020-12-22 | 2021-03-19 | 中冶天工集团有限公司 | Deformation detection and measurement device for field splicing construction of heavy arched beams and application method thereof |
| CN113432891A (en) * | 2021-06-29 | 2021-09-24 | 江铃汽车股份有限公司 | Device and method for testing static bending rigidity of cab of flat-head truck |
| CN115307897A (en) * | 2022-10-10 | 2022-11-08 | 安徽中亚钢结构工程有限公司 | Grog warehouse top room grid structure mechanical property test device and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644323B (en) | 2019-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106644323A (en) | Steel beam test model measuring device and testing method thereof | |
| CN201421416Y (en) | Simple experimental facility suitable for university material mechanics course | |
| CN104344993B (en) | Method for testing and measuring member bearing capacity and material performance parameters | |
| CN110288881B (en) | Modular structure mechanics experiment platform system | |
| CN105277441B (en) | A kind of large scale cuboid coal petrography sample long-time bearing test monitoring device | |
| CN105002939B (en) | Model device and method for grouped pile field test | |
| JP2014088689A (en) | Loading test method and loading test device for composite reinforcement ground | |
| CN103308234B (en) | Internal force measuring sensor | |
| CN104269088A (en) | Mechanical experimental device and method for conducting experiment by applying same | |
| CN208588633U (en) | A kind of beams of concrete three point bending test device | |
| CN104568279B (en) | A kind of multi-axis force transducer | |
| CN102830020A (en) | Connection bending rigidity testing device and installation testing method of extra-high voltage ceramic casing pipe | |
| CN203857924U (en) | Electronic deformation gauge used for stress ring deformation detection and deformation detection device | |
| CN105004454A (en) | Heavy-load single-component sensor and measuring method | |
| CN101819075B (en) | One-way support shearing force measuring device and method | |
| CN106018094A (en) | Concrete temperature stress testing machine and creep testing method | |
| CN206132334U (en) | Many span beam structure experimental model | |
| CN106353054B (en) | A kind of multispan beam structural experiment model and experimental method | |
| CN202330250U (en) | Testing device for directly measuring bonding performance of early-stage concrete and steel bars | |
| CN102519637B (en) | Force determining support for structural test | |
| CN216410473U (en) | Combined beam hogging moment measuring equipment | |
| CN201984690U (en) | Plane steel truss for teaching | |
| CN109723091B (en) | Experimental device for measuring wave current load of three spud legs of drilling platform | |
| CN101825507B (en) | Multi-axis force transducer with double-bending beam structure | |
| CN208888244U (en) | Curing concrete contraction distortion test device in a kind of water |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20201223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |