CN206891373U - A kind of bridge vertical displacement test system - Google Patents
A kind of bridge vertical displacement test system Download PDFInfo
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- CN206891373U CN206891373U CN201720916450.4U CN201720916450U CN206891373U CN 206891373 U CN206891373 U CN 206891373U CN 201720916450 U CN201720916450 U CN 201720916450U CN 206891373 U CN206891373 U CN 206891373U
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Abstract
The utility model discloses a kind of bridge vertical displacement test system,Supporting plate including being fixed on bridge side,And coordinate the measurement apparatus of the supporting plate,The top of the supporting plate has one to pass through hole,The hole wall opening position through hole is provided with a fixed block,The top of the fixed block has first to pass through hole,The side of the fixed block is provided with brush plate,The measurement apparatus includes the base being fixed on ground,Sleeve is provided with the top of the base,Cradling piece is combined with the top of the sleeve,Ceramic bar is coaxially fixed with the top of the cradling piece,Two mounting brackets are fixedly installed at the outer wall of the ceramic bar,Conducting rod is combined between two mounting brackets,Cable is combined between the both ends of the conducting rod,Ammeter is in series with the cable,Power supply and knife switch,The spiral and uniform winding has resistance wire on the ceramic bar；Present apparatus error is smaller, and measurement is more accurate.
Description
Technical field
It the utility model is related to a kind of bridge vertical displacement test system.
Background technology
After bridge structure is built up, the important means of evaluation structure performance is to carry out the load experiment of structure, is surveyed from structure
Test result carrys out the actual performance of evaluation structure, if meets design needs, displacement test system is in current bridge load experiment
The main method of testing of structure vertical deflection.
But various method of testings of the prior art are to detect the vertically movable amount of bridge by intuitively detecting,
Easily error be present.
Based on above mentioned problem, it is desirable to provide a kind of error is smaller, measures more accurate bridge vertical displacement test system.
Utility model content
It is smaller that technical problem to be solved in the utility model is to provide a kind of error, and it is vertical to measure more accurate bridge
Displacement test system.
The utility model is achieved through the following technical solutions：
A kind of bridge vertical displacement test system, including the supporting plate of bridge side is fixed on, and coordinate the supporting plate
Measurement apparatus, be combined with screw between the supporting plate and bridge, the top of the supporting plate has one to pass through hole, described
Hole wall opening position through hole is provided with a fixed block, and the top of the fixed block has first to pass through hole, the fixed block
Side is provided with brush plate, and described first is fixed with the contact for coordinating the brush plate through soldering at the inwall in hole, described
Measurement apparatus includes the base being fixed on ground, is provided with sleeve at the top of the base, matches somebody with somebody at the top of the sleeve
Conjunction has cradling piece, and the first screw is combined between the sleeve and the cradling piece, is coaxially fixed at the top of the cradling piece
There is ceramic bar, flange is connected between the ceramic bar and the cradling piece, be fixedly installed at the outer wall of the ceramic bar
Two mounting brackets, are combined with conducting rod between two mounting brackets, and the both ends of the conducting rod both pass through the peace
Support is filled, the both ends of the conducting rod are combined with tightening nut, cable are combined between the both ends of the conducting rod, described
Ammeter, power supply and knife switch are in series with cable, spiral and uniform winding have resistance wire on the ceramic bar, described
Conducting rod is through described first through hole and coordinates the contact, and the brush plate coordinates the resistance wire.
Preferably, the top annular of the base is provided with multiple jacks, and anchor pole, the anchor are combined with by the jack
Ground is squeezed into the lower end of bar, and the length that the anchor pole squeezes into ground is not less than 100cm, and consolidating between ground is realized by anchor pole
It is fixed, in the larger region of wind speed, it is necessary to which casting concrete pedestal, anchor pole are cast in pedestal on the ground.
Preferably, the brush plate is copper piece, and the brush plate is provided with two panels, institute's shape between two pieces of brush plates
Into angle be less than 80 °.
Preferably, the power supply is lithium battery.
Preferably, the cradling piece is hollow steel rod member.
The present apparatus calculates between the distance and curent change that brush plate moves along resistance wire first before being tested
Conversion relation, the then installation present apparatus determines the current value under normal condition, and the upper and lower slight amplitude of axle casing
Movement can all cause the change of current value, pass through the maximum and minimum value of obtaining current, then the conversion with calculating before is closed
System is converted, you can accurately calculates the amount of moving up and down of bridge, measurement is more accurate.
The beneficial effects of the utility model are：The present apparatus changes whole circuit using the cooperation between brush plate and resistance wire
In resistance so that electric current occur respective change, curent change is more sensitive, therefore the change by observing electric current is converted into again
Distance, the vertical deflection amount of movement of bridge can be accurately measured, measurement is accurate, and error is smaller, and the structure of the present apparatus is more simple
Single, cost is more cheap, is adapted to promote the use of.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the top view of supporting plate.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), except non-specifically chatting
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
A kind of bridge vertical displacement test system as depicted in figs. 1 and 2, including the supporting plate 1 of bridge side is fixed on,
And coordinate the measurement apparatus 2 of the supporting plate 1, screw 101 is combined between the supporting plate 1 and bridge, the supporting plate 1
Top has one to pass through hole 102, and the hole wall opening position through hole 102 is provided with a fixed block 103, the fixed block
103 top has first to pass through hole 104, and the side of the fixed block 103 is provided with brush plate 105, and described first passes through hole
Soldering is fixed with the contact 106 for coordinating the brush plate 105 at 104 inwall, and the measurement apparatus 2 includes being fixed on ground
On base 201, the top of the base 201 is provided with sleeve 202, cradling piece is combined with the top of the sleeve 202
203, the first screw 204 is combined between the sleeve 202 and the cradling piece 203, it is coaxial at the top of the cradling piece 203
Ceramic bar 205 is fixed with, flange 206 is connected between the ceramic bar 205 and the cradling piece 203, in the ceramic bar 205
Outer wall at be fixedly installed two mounting brackets 207, conducting rod 208, institute are combined between two mounting brackets 207
The both ends for stating conducting rod 208 both pass through the mounting bracket 207, and the both ends of the conducting rod 208 are combined with tightening nut 209,
Cable 210 is combined between the both ends of the conducting rod 208, ammeter 211, power supply 212 are in series with the cable 210
With knife switch 213, spiral and uniform winding have resistance wire 214 on the ceramic bar 205, and the conducting rod 208 passes through
Described first passes through hole 104 and coordinates the contact 106, and the brush plate 105 coordinates the resistance wire 215.
A preferred embodiment in the utility model, the top annular of the base 201 are provided with multiple jacks and (not schemed
Show), anchor pole 216 is combined with by the jack, ground is squeezed into the lower end of the anchor pole 216, and the anchor pole 216 squeezes into ground
Length is not less than 100cm, the fixation between ground is realized by anchor pole, in the larger region of wind speed, it is necessary to pour on the ground
Concrete pedestal is built, anchor pole is cast in pedestal.
A preferred embodiment in the utility model, the brush plate 105 are copper piece, and the brush plate 105 is set
There is two panels, the angle formed between two pieces of brush plates 105 is less than 80 °.
A preferred embodiment in the utility model, the power supply 212 are lithium battery.
A preferred embodiment in the utility model, the cradling piece 203 are hollow steel rod member.
The present apparatus calculates between the distance and curent change that brush plate moves along resistance wire first before being tested
Conversion relation, the then installation present apparatus determines the current value under normal condition, and the upper and lower slight amplitude of axle casing
Movement can all cause the change of current value, pass through the maximum and minimum value of obtaining current, then the conversion with calculating before is closed
System is converted, you can accurately calculates the amount of moving up and down of bridge, measurement is more accurate.
The beneficial effects of the utility model are：The present apparatus changes whole circuit using the cooperation between brush plate and resistance wire
In resistance so that electric current occur respective change, curent change is more sensitive, therefore the change by observing electric current is converted into again
Distance, the vertical deflection amount of movement of bridge can be accurately measured, measurement is accurate, and error is smaller, and the structure of the present apparatus is more simple
Single, cost is more cheap, is adapted to promote the use of.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
- A kind of 1. bridge vertical displacement test system, it is characterised in that：Supporting plate including being fixed on bridge side, and coordinate institute The measurement apparatus of supporting plate is stated, screw is combined between the supporting plate and bridge, the top of the supporting plate has one to pass through Hole, the hole wall opening position through hole is provided with a fixed block, the top of the fixed block has first to pass through hole, described The side of fixed block is provided with brush plate, and described first is fixed with touching for the cooperation brush plate through soldering at the inwall in hole Point, the measurement apparatus include the base being fixed on ground, sleeve are provided with the top of the base, in the sleeve Top is combined with cradling piece, and the first screw is combined between the sleeve and the cradling piece, same at the top of the cradling piece Axle is fixed with ceramic bar, and flange is connected between the ceramic bar and the cradling piece, is fixed at the outer wall of the ceramic bar Two mounting brackets are provided with, conducting rod is combined between two mounting brackets, the both ends of the conducting rod both pass through The mounting bracket, the both ends of the conducting rod are combined with tightening nut, and cable is combined between the both ends of the conducting rod, Ammeter, power supply and knife switch are in series with the cable, the spiral and uniform winding has resistance on the ceramic bar Silk, the conducting rod is through described first through hole and coordinates the contact, and the brush plate coordinates the resistance wire.
- 2. bridge vertical displacement test system according to claim 1, it is characterised in that：The top annular of the base is set Multiple jacks are equipped with, anchor pole are combined with by the jack, ground is squeezed into the lower end of the anchor pole, and the anchor pole squeezes into ground Length is not less than 100cm.
- 3. bridge vertical displacement test system according to claim 1, it is characterised in that：The brush plate is copper piece, The brush plate is provided with two panels, and the angle formed between two pieces of brush plates is less than 80 °.
- 4. bridge vertical displacement test system according to claim 1, it is characterised in that：The power supply is lithium battery.
- 5. bridge vertical displacement test system according to claim 1, it is characterised in that：The cradling piece is hollow steel Rod member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916450.4U CN206891373U (en) | 2017-07-26 | 2017-07-26 | A kind of bridge vertical displacement test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916450.4U CN206891373U (en) | 2017-07-26 | 2017-07-26 | A kind of bridge vertical displacement test system |
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| Publication Number | Publication Date |
|---|---|
| CN206891373U true CN206891373U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720916450.4U Active CN206891373U (en) | 2017-07-26 | 2017-07-26 | A kind of bridge vertical displacement test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206891373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272052A (en) * | 2020-02-26 | 2020-06-12 | 山东交通学院 | Bridge expansion joint three-dimensional direction relative displacement monitoring system and use method thereof |
-
2017
- 2017-07-26 CN CN201720916450.4U patent/CN206891373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272052A (en) * | 2020-02-26 | 2020-06-12 | 山东交通学院 | Bridge expansion joint three-dimensional direction relative displacement monitoring system and use method thereof |
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