CN201993210U - Downwards pulled meter bracket for testing bridge flexibility - Google Patents
Downwards pulled meter bracket for testing bridge flexibility Download PDFInfo
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- CN201993210U CN201993210U CN2011200748584U CN201120074858U CN201993210U CN 201993210 U CN201993210 U CN 201993210U CN 2011200748584 U CN2011200748584 U CN 2011200748584U CN 201120074858 U CN201120074858 U CN 201120074858U CN 201993210 U CN201993210 U CN 201993210U
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- bridge span
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Abstract
The utility model discloses a downwards pulled meter bracket for testing bridge flexibility. The downwards pulled meter bracket comprises a horizontal base plate, a level, an upright post, a counterweight block, a pulling rod, a flexibility testing rope, a bridge flexibility testing meter and a meter mounting frame, wherein the upright post is arranged on the horizontal base plate; the counterweight block slides along the upright post up and down; the pulling rod slides with the counterweight block synchronously along the upright post up and down; the flexibility testing rope synchronously transfers the flexibility generated by a tested bridge body to the pulling rod; the bridge flexibility testing meter measures the flexibility data transferred to the pulling rod; the meter mounting frame is used for mounting the bridge flexibility testing meter; and the upper end of the flexibility testing rope is fixed at a flexibility testing place of the tested bridge, and the lower end of the flexibility testing rope is fixed on the pulling rod. The downwards pulled meter bracket has the advantages that: the structural design is reasonable; the bracket is convenient to process, manufacture, mount and operate; the using effect is good; the test data is accurate; the structure is simple; the weight is light; the performance is stable and reliable; and the problem that the traditional bridge flexibility testing meter is inconvenient to arrange, the problem that the bracket cannot be ensured to be accurately mounted and positioned, the problem that the flexibility is inconvenient to test, the problem that the measuring data is not accurate, and the like, can be solved.
Description
Technical field
The utility model belongs to the deflection of bridge span technical field of measurement and test, especially relates to a kind of deflection of bridge span test pull-down instrument support.
Background technology
In the bridge construction process, need deflection of bridge span accurately to be measured the construction quality of the accuracy direct relation bridge beam body of its deflection metrology data.Nowadays, when deflection of bridge span is tested, all need to set up the deflectometer support in the beam body bottom of tested bridge, when setting up the deflectometer support at the bottom of the bridge, not only set up complex procedures, and be difficult to guarantee the accurate installation and the location of the deflectometer support of setting up, thereby influence deflection test result's accuracy.Thereby the test of existing deflection of bridge span exists support to set up inconvenience, is difficult to guarantee accurate installation that support is set up and location, the deflection test inconvenience, easily causes multiple practical problemss such as measurement data is inaccurate with the deflectometer support.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of deflection of bridge span test pull-down instrument support is provided, its reasonable in design, processing and fabricating and installation are laid conveniently, use is easy and simple to handle and result of use good, the deflection test data are accurate, and be simultaneously simple in structure, in light weight and stable and reliable for performance.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: comprise horizontal chassis, the level that is installed on the horizontal chassis and the levelness of horizontal chassis is measured, be fixedly mounted on the column on the horizontal chassis, the balancing weight that is movably arranged on the column and can slides up and down along column, the pull bar that is fixedly mounted on the balancing weight and can slides up and down along column synchronously with balancing weight, under the draw of balancing weight, be in vertical state in the deflection test process all the time and the amount of deflection that tested bridge beam body produced be passed to synchronously the deflection test rope of pull bar, deflection of bridge span test instrumentation that is positioned at column one side and the deflection data that is passed to pull bar is measured and the instrument erecting frame of installing for described deflection of bridge span test instrumentation, described instrument erecting frame is installed on the column, and equal correspondence has the through hole that passes for column on described balancing weight and the pull bar; Deflection test place and its lower end that the upper end of described deflection test rope is fixed on tested bridge are fixed on the pull bar, and described deflection test rope the point of fixity on the pull bar be positioned at the balancing weight center of gravity directly over.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: described pull bar is the zigzag pull bar.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: described zigzag pull bar comprise the horizontal bottom bar that is fixed on the balancing weight, link to each other and be vertically with described horizontal bottom bar to the middle connecting rod of laying and be fixed on described in horizontal push rod on the connecting rod, have the through hole that the confession column passes on the described horizontal push rod.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: also comprise the chassis stationary installation that is installed on the horizontal chassis, described horizontal chassis is installed on the ground by described chassis stationary installation horizontal fixed.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: described instrument erecting frame is provided with the instrument geometrical clamp that is used for fixing described deflection of bridge span test instrumentation.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: described deflection of bridge span test instrumentation is a dial gauge, the expansion link of described dial gauge and the bottom connection of described horizontal push rod touch.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: described chassis stationary installation is a plurality of foot bolts that are installed on the horizontal chassis.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: described horizontal chassis is the triangle dish.
Above-mentioned a kind of deflection of bridge span test pull-down instrument support, it is characterized in that: the quantity of described level is one, and described level is bubble tube or square column level; The quantity of described column is one.
Above-mentioned a kind of deflection of bridge span test is with pull-down instrument support, and it is characterized in that: described pull bar top is provided with for the fixing grommet of described deflection test rope colligation, and described grommet be positioned at described balancing weight center of gravity directly over.
The utility model compared with prior art has the following advantages:
1, reasonable in design and processing and fabricating and installation are laid conveniently.
2, simple in structure, volume is little and in light weight, is convenient to carrying, only needs to adopt a triangle dish, a vertical rod, a balancing weight and a pull bar to get final product.
3, all connect with movable connection method between each assembly, dismounting and assembling are all very easy, and the dismounting back is easy to carry, and assembled on site is convenient.
4, the horizontal chassis installing and locating is convenient, can easy horizontal chassis be fixed on the ground by foot bolt, by level the levelness of horizontal chassis is measured simultaneously, and adjust accordingly by the installation site of foot bolt horizontal chassis according to the measurement result of level, until on the ground with the horizontal chassis horizontal fixed, thereby the book Pingdu of horizontal chassis is easy to adjust, and carries the horizontal degree measurement device, thereby can effectively guarantee the deflection of bridge span test result.
5, use is easy and simple to handle, during actual the use, only need horizontal chassis is installed on the ground, again measurement instruments such as dial gauge are fixed on the instrument geometrical clamp, simultaneously the upper end of deflection test rope is fixed on the deflection test place of tested bridge and its lower end is fixed on the pull bar and can tests.
6, stable and reliable for performance, because during actual test, balancing weight is positioned at the vertical rod bottom, thereby the stability of entire bracket and balance are very strong, can not occur in the test process causing the inaccurate situation of measurement data because of riding, move etc.; Because balancing weight is positioned at the vertical rod bottom, makes the weight of horizontal chassis further to alleviate like this, thereby further alleviated the weight of entire bracket simultaneously.
7, result of use is good, the deflection test data are accurate and practical value is high, transmit amount of deflection by the deflection test rope, practical problemss such as deflectometer support, measurement data are inaccurate have been avoided needing at the bottom of bridge, to set up, during actual the test, only need the deflection test instrument is fixedly mounted on the instrument geometrical clamp, fixing more stable and DATA REASONING is more accurate.
In sum, the utility model reasonable in design, processing and fabricating and installation are laid conveniently, use is easy and simple to handle and result of use good, the deflection test data are accurate, simultaneously simple in structure, in light weight and stable and reliable for performance, can effectively solve existing deflection of bridge span test and set up inconvenience, be difficult to guarantee accurate installation that support is set up and location, the deflection test inconvenience, easily cause multiple practical problemss such as measurement data is inaccurate with the support of instrument support existence.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a user mode reference diagram of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Description of reference numerals:
The 1-horizontal chassis; The 2-bubble tube; The 3-foot bolt;
The 4-column; The 5-balancing weight; The 6-pull bar;
The 7-hold-down nut; 8-instrument geometrical clamp; The 9-dial gauge;
10-deflection test rope; The 11-grommet.
Embodiment
As Fig. 1, shown in Figure 2, the utility model comprises horizontal chassis 1, the level that is installed on the horizontal chassis 1 and the levelness of horizontal chassis 1 is measured, be fixedly mounted on the column 4 on the horizontal chassis 1, the balancing weight 5 that is movably arranged on the column 4 and can slides up and down along column 4, the pull bars 6 that are fixedly mounted on the balancing weight 5 and can slide up and down along column 4 synchronously with balancing weight 5, under the draw of balancing weight 5, be in vertical state in the deflection test process all the time and the amount of deflection that tested bridge beam body produced be passed to synchronously the deflection test rope 10 of pull bar 6, deflection of bridge span test instrumentation that is positioned at column 4 one sides and the deflection data that is passed to pull bar 6 is measured and the instrument erecting frame of installing for described deflection of bridge span test instrumentation, described instrument erecting frame is installed on the column 4, and equal correspondence has the through hole that passes for column 4 on described balancing weight 5 and the pull bar 6.Deflection test place and its lower end that the upper end of described deflection test rope 10 is fixed on tested bridge are fixed on the pull bar 6, and described deflection test rope 10 the point of fixity on the pull bar 6 be positioned at balancing weight 5 centers of gravity directly over.That is to say that the suspension centre of the center of gravity of described balancing weight 5 and deflection test rope 10 coincides, can effectively avoid like this because of balancing weight 5 unstabilitys and the column 4 fricative slips problem that has some setbacks.
In the present embodiment, described pull bar 6 is the zigzag pull bar.Described zigzag pull bar comprise the horizontal bottom bar that is fixed on the balancing weight 5, link to each other and be vertically with described horizontal bottom bar to the middle connecting rod of laying and be fixed on described in horizontal push rod on the connecting rod, have the through hole that confession column 4 passes on the described horizontal push rod.Described horizontal bottom bar is fixed on the balancing weight 5 by hold-down nut 7.
Simultaneously, the utility model also comprises the chassis stationary installation that is installed on the horizontal chassis 1, and described horizontal chassis 1 is installed on the ground by described chassis stationary installation horizontal fixed.
In the present embodiment, described instrument erecting frame is provided with the instrument geometrical clamp 8 that is used for fixing described deflection of bridge span test instrumentation.
In the present embodiment, described deflection of bridge span test instrumentation is a dial gauge 9, and the expansion link of described dial gauge 9 and the bottom connection of described horizontal push rod touch.During actual the use, described deflection of bridge span test instrumentation can also be other test instrumentations such as clock gauge.
In the present embodiment, described horizontal chassis 1 is the triangle dish.Described chassis stationary installation is a plurality of foot bolts 3 that are installed on the horizontal chassis 1, and the quantity of described foot bolt 3 is three, and three foot bolts 3 are separately fixed on three drift angles of described triangle dish.The quantity of described level is one, and described level is bubble tube 2 or square column level; The quantity of described column 4 is one.
In the present embodiment, described pull bar 6 tops are provided with for the fixing grommet 11 of described deflection test rope 10 colligations, and described grommet 11 be positioned at described balancing weight 5 centers of gravity directly over.Thereby in the actual test process, described balancing weight 5 is positioned at column 4 bottoms, and the instrument erecting frame is installed in the middle and upper part that is positioned at column 4.
The course of work of the present utility model is: during actual the use, by foot bolt 3 horizontal chassis 1 is installed on the ground earlier, and by level the levelness of horizontal chassis 1 is measured to guarantee the levelness of horizontal chassis 1; Afterwards, again dial gauge 9 is fixed on the instrument geometrical clamp 8, simultaneously the upper end of deflection test rope 10 is fixed on the deflection test place of tested bridge and its lower end is fixed on the pull bar 6, deflection test rope 10 is in vertical state all the time under the draw of balancing weight 5.During actual the test, when the beam body of tested bridge produces amount of deflection, deflection test rope 10 passes to pull bar 6 with the amount of deflection that the beam body produces, and corresponding drive balancing weight 5 and pull bar 6 slide up and down along column 4 synchronously, pull bar 6 slides up and down the expansion link of corresponding compression dial gauge 9 in the process along column 4, make dial gauge 9 produce reading, at last dial gauge 9 measured data transmission to data collecting instrument is carried out further analyzing and processing.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (10)
1. a deflection of bridge span is tested with pull-down instrument support, it is characterized in that: comprise horizontal chassis (1), the level that is installed in that horizontal chassis (1) is gone up and the levelness of horizontal chassis (1) is measured, be fixedly mounted on the column (4) on the horizontal chassis (1), the balancing weight (5) that is movably arranged on that column (4) is gone up and can slides up and down along column (4), the pull bar (6) that is fixedly mounted on that balancing weight (5) is gone up and can slides up and down along column (4) synchronously with balancing weight (5), under the draw of balancing weight (5), be in vertical state in the deflection test process all the time and the amount of deflection that tested bridge beam body produced be passed to synchronously the deflection test rope (10) of pull bar (6), deflection of bridge span test instrumentation that is positioned at column (4) one sides and the deflection data that is passed to pull bar (6) is measured and the instrument erecting frame of installing for described deflection of bridge span test instrumentation, described instrument erecting frame is installed on the column (4), and described balancing weight (5) and pull bar (6) are gone up equal correspondence and had the through hole that passes for column (4); Deflection test place and its lower end that the upper end of described deflection test rope (10) is fixed on tested bridge are fixed on the pull bar (6), and described deflection test rope (10) the point of fixity on the pull bar (6) be positioned at balancing weight (5) center of gravity directly over.
2. according to the described a kind of deflection of bridge span test pull-down instrument support of claim 1, it is characterized in that: described pull bar (6) is the zigzag pull bar.
3. according to the described a kind of deflection of bridge span test pull-down instrument support of claim 2, it is characterized in that: described zigzag pull bar comprise the horizontal bottom bar that is fixed on the balancing weight (5), link to each other and be vertically with described horizontal bottom bar to the middle connecting rod of laying and be fixed on described in horizontal push rod on the connecting rod, have the through hole that confession column (4) passes on the described horizontal push rod.
4. according to claim 1,2 or 3 described a kind of deflection of bridge span test pull-down instrument supports, it is characterized in that: also comprise the chassis stationary installation that is installed on the horizontal chassis (1), described horizontal chassis (1) is installed on the ground by described chassis stationary installation horizontal fixed.
5. according to claim 1,2 or 3 described a kind of deflection of bridge span test pull-down instrument supports, it is characterized in that: described instrument erecting frame is provided with the instrument geometrical clamp (8) that is used for fixing described deflection of bridge span test instrumentation.
6. according to the described a kind of deflection of bridge span test pull-down instrument support of claim 3, it is characterized in that: described deflection of bridge span test instrumentation is dial gauge (9), and the expansion link of described dial gauge (9) and the bottom connection of described horizontal push rod touch.
7. according to the described a kind of deflection of bridge span test pull-down instrument support of claim 4, it is characterized in that: described chassis stationary installation is for being installed in a plurality of foot bolts (3) on the horizontal chassis (1).
8. according to claim 1,2 or 3 described a kind of deflection of bridge span test pull-down instrument supports, it is characterized in that: described horizontal chassis (1) is the triangle dish.
9. according to claim 1,2 or 3 described a kind of deflection of bridge span test pull-down instrument supports, it is characterized in that: the quantity of described level is one, and described level is bubble tube (2) or square column level; The quantity of described column (4) is one.
10. according to claim 1,2 or 3 described a kind of deflection of bridge span test pull-down instrument supports, it is characterized in that: described pull bar (6) top is provided with for the fixing grommet (11) of described deflection test rope (10) colligation, and described grommet (11) be positioned at described balancing weight (5) center of gravity directly over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200748584U CN201993210U (en) | 2011-03-21 | 2011-03-21 | Downwards pulled meter bracket for testing bridge flexibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200748584U CN201993210U (en) | 2011-03-21 | 2011-03-21 | Downwards pulled meter bracket for testing bridge flexibility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993210U true CN201993210U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200748584U Expired - Lifetime CN201993210U (en) | 2011-03-21 | 2011-03-21 | Downwards pulled meter bracket for testing bridge flexibility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993210U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564283A (en) * | 2011-12-19 | 2012-07-11 | 天津大学 | U-shaped frame for deflection test of bending test of wood structure beam |
| CN103090773A (en) * | 2013-01-31 | 2013-05-08 | 西安瑞通路桥科技有限责任公司 | Bridge loading test deflection testing instrument |
| CN103278299A (en) * | 2013-05-20 | 2013-09-04 | 南京市计量监督检测院 | Bridge deflectometer calibration device and method |
| CN104457536A (en) * | 2014-10-15 | 2015-03-25 | 中航飞机股份有限公司西安飞机分公司 | Method and device for measuring deflection of pull rod |
| CN105423880A (en) * | 2015-11-10 | 2016-03-23 | 长安大学 | Method for suspending main cable to measure bridge deflection |
| CN105627896A (en) * | 2016-01-12 | 2016-06-01 | 河北远洲工程咨询有限公司 | Bridge flexibility detection device and detection method |
| CN106525366A (en) * | 2016-11-23 | 2017-03-22 | 广西交通科学研究院 | Magnetic suspension type bridge deflection measuring device and measuring method thereof |
| CN106840846A (en) * | 2017-01-03 | 2017-06-13 | 武汉科技大学 | A kind of instrument for measuring analysis of material pulling force and amount of deflection relation |
| CN112050721A (en) * | 2020-08-25 | 2020-12-08 | 温州融宸科技有限公司 | Bridge deflection measuring device |
| CN113089495A (en) * | 2021-04-30 | 2021-07-09 | 太原科技大学 | Effective prestress detection method under prestressed concrete simply supported bridge anchor |
-
2011
- 2011-03-21 CN CN2011200748584U patent/CN201993210U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564283A (en) * | 2011-12-19 | 2012-07-11 | 天津大学 | U-shaped frame for deflection test of bending test of wood structure beam |
| CN103090773A (en) * | 2013-01-31 | 2013-05-08 | 西安瑞通路桥科技有限责任公司 | Bridge loading test deflection testing instrument |
| CN103278299A (en) * | 2013-05-20 | 2013-09-04 | 南京市计量监督检测院 | Bridge deflectometer calibration device and method |
| CN104457536B (en) * | 2014-10-15 | 2017-06-06 | 中航飞机股份有限公司西安飞机分公司 | The measuring method and device of a kind of pull bar amount of deflection |
| CN104457536A (en) * | 2014-10-15 | 2015-03-25 | 中航飞机股份有限公司西安飞机分公司 | Method and device for measuring deflection of pull rod |
| CN105423880B (en) * | 2015-11-10 | 2017-11-24 | 长安大学 | A kind of method for hanging main push-towing rope measurement deflection of bridge span |
| CN105423880A (en) * | 2015-11-10 | 2016-03-23 | 长安大学 | Method for suspending main cable to measure bridge deflection |
| CN105627896A (en) * | 2016-01-12 | 2016-06-01 | 河北远洲工程咨询有限公司 | Bridge flexibility detection device and detection method |
| CN106525366A (en) * | 2016-11-23 | 2017-03-22 | 广西交通科学研究院 | Magnetic suspension type bridge deflection measuring device and measuring method thereof |
| CN106840846A (en) * | 2017-01-03 | 2017-06-13 | 武汉科技大学 | A kind of instrument for measuring analysis of material pulling force and amount of deflection relation |
| CN112050721A (en) * | 2020-08-25 | 2020-12-08 | 温州融宸科技有限公司 | Bridge deflection measuring device |
| CN113089495A (en) * | 2021-04-30 | 2021-07-09 | 太原科技大学 | Effective prestress detection method under prestressed concrete simply supported bridge anchor |
| CN113089495B (en) * | 2021-04-30 | 2022-06-28 | 太原科技大学 | Method for detecting effective prestress under prestressed concrete simply supported bridge anchor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |