CN201152806Y - Apparatus for measuring relative displacement of joint in large scale vibration platform test of earth and underground structure - Google Patents
Apparatus for measuring relative displacement of joint in large scale vibration platform test of earth and underground structure Download PDFInfo
- Publication number
- CN201152806Y CN201152806Y CNU2008200548124U CN200820054812U CN201152806Y CN 201152806 Y CN201152806 Y CN 201152806Y CN U2008200548124 U CNU2008200548124 U CN U2008200548124U CN 200820054812 U CN200820054812 U CN 200820054812U CN 201152806 Y CN201152806 Y CN 201152806Y
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- China
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- sleeve
- fixed bar
- link rod
- chute
- sliding sleeve
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Abstract
The utility model belongs to the technical field of civil engineering, particularly relates to a measuring device for measuring the relative displacement of a connector in the test of a large vibration table with the earth and underground structure. The measuring device consists of stay guy displacement sensor, a steering bar, a rotating sleeve, a sliding sleeve, fixed rods, angular displacement sensors, a sleeve, a linking rod and a sliding groove, wherein, one end of one of the two fixed rods is connected with one end of the steering bar by the rotating sleeve, and the other end is connected with the steering bar by the sliding sleeve; the stay guy displacement sensor is fixed above the steering bar and is positioned at the end close to the fixed rods, and the stay guy displacement sensor is horizontally connected with the sliding sleeve by a stay guy; the rotating shafts of the two angular displacement sensors are respectively provided with the sleeves, the sliding groove is positioned above the sleeves, one end of the linking rod is connected with the sleeves by a pin, so that the linking rod rotates in the plane along the vertical direction by taking the pin as a shaft; the other end of the linking rod is sleeved inside the sliding groove. The measuring device has the characteristics of low manufacturing cost, convenient use and high testing precision.
Description
Technical field
The utility model belongs to technical field of civil engineering, is specifically related to measure in the test of a kind of soil and underground structure large vibration table the measurement mechanism of joint relative displacement.
Background technology
In underground structure large-scale vibrating array shock test, exist the underground structure of joint under geological process, relative displacement can take place.This relative displacement comprises vertical relative displacement, horizontal relative displacement and relative rotation in surface level.The relative displacement of underground structure joint is underground structure important seismic response under the earthquake motion effect of space, their research helped understanding stride greatly or long seismic response rule, have important demonstration meaning for proposing scientific and reasonable underground structure anti-shock methods apart from underground structure.Simultaneously, because underground structure is buried underground, to the installation of the measurement of its seismic response and measurement mechanism thereof unusual difficulty all.At present, not only do not carry out the vibration array test of underground structure both at home and abroad, more in test these three kinds of relative shifts were not carried out measuring and corresponding measuring equipment.
Summary of the invention
The purpose of this utility model is to provide the device of measuring the joint relative displacement in a kind of soil and the test of underground structure large vibration table.
Measure the device of joint relative displacement in soil that the utility model proposes and the test of underground structure large vibration table, by treating that geodesic structure 1, backguy displacement transducer 2, guide pole 3, rotational sleeve 4, sliding sleeve 5, fixed bar, angular displacement sensor 9, sleeve, pass link rod 10 and chute 13 form, its structure as shown in Figure 1.Wherein, treat that geodesic structure 1 is the hollow framed structure in middle part, fixed bar 7,8 one ends connect respectively treats geodesic structure 1 top board, fixed bar 7 other ends connect guide pole 3 one ends by rotational sleeve 4, fixed bar 8 other ends connect guide pole 3 by sliding sleeve 5, backguy displacement transducer 2 is fixed in guide pole 3 tops, and be positioned near fixed bar 7 one ends, backguy displacement transducer 2 is connected by backguy 6 levels with sliding sleeve 5, make sliding sleeve 5 both can do upper and lower being free to slide, can make horizontal direction along guide pole 3 again and slide along fixed bar 8; Angular displacement sensor 9 is two, lay respectively at and treat geodesic structure 1 bottom, be respectively equipped with sleeve 11,12 in the rotating shaft of angular displacement sensor 9, sleeve 12 tops are provided with chute 13, close link rod 10 1 ends by pin 15 coupling sleeves 11, making and closing link rod 10 to serve as that axle rotates in vertical plane with pin 15, closes link rod 11 other ends and is placed in the chute 13, makes and closes link rod 11 along the left and right slip of chute 13 energy.
In the utility model, at the bottom of the base plate of chute 13 is the arc-shaped slot of epirelief.This device can make two angular displacement sensors 9 link together on the one hand, so that measure the corner that joint measures two joints, can guarantee to measure the influence that the non-uniform settling that is not subjected to two structures brings on the other hand equally.
In the utility model, backguy displacement transducer 2 and backguy 6 thereof can be moved arbitrarily in three bit spaces by rotational sleeve 4 and sliding sleeve 5, thereby the measurement of assurance backguy displacement transducer 2 is not subjected to the influence of structure sediment.
In the utility model, two angular displacement sensors 9 link together by the sleeve 11, the sleeve 12 that close link rod 10 and be fixed in its rotating shaft, can guarantee that two angular displacement sensors measure relative angle simultaneously.
In the utility model, closing link rod 10 both can rotate in vertical plane by the pin on the sleeve 11 14, chute 13 that again can be by the kerve epirelief on the sleeve 12 slides on axially closing link rod 10, promptly close link rod 10 and can be in three bit spaces move arbitrarily, the measurement that can guarantee angular displacement sensor so is not subjected to the influence of structure sediment.
The utlity model has cheap for manufacturing cost, easy to use, characteristic of high test precision.
Description of drawings
Fig. 1 is a structural diagrams of the present utility model.
Number in the figure: 1 for treating geodesic structure, and 2 are the backguy displacement transducer, and 3 is guide pole, and 4 is rotational sleeve, and 5 is sliding sleeve, 6 are backguy, and 7 is fixed bar, and 8 is fixed bar, and 9 is angular displacement sensor, and 10 for closing link rod, 11 is sleeve, and 12 is sleeve, and 13 is chute, and 14 is bolt, and 15 is pin.
Embodiment
Further specify the utility model in conjunction with the accompanying drawings below by embodiment.
Embodiment 1: as shown in Figure 1, backguy displacement transducer 2 is fixed on the end of guide pole 3 near fixed bar 7; Guide pole 3 is connected with fixed bar 8 by sliding sleeve 5, and displacement transducer backguy 6 is connected with sliding sleeve 4 levels, and sliding sleeve 4 both can slide along fixed bar 8 easy on and off, can slide in the horizontal direction along guide pole 3 again; Guide pole 3 right sections are enclosed within on the fixed bar 7 by rotational sleeve 5, and can serve as that axle rotates with fixed bar 7; Two angular displacement sensors 9 are separately fixed at and treat the fixed bar 7 and 8 projected positions at base plate of geodesic structure 1 top board; Close link rod 10 be erected at two angular displacement sensor 9 rotating shafts on sleeve 11 and sleeve 12 on, two sleeves 11,12 are fixed by the bolt 14 and the rotating shaft of angular displacement sensor 9; Close link rod 10 1 ends and be connected with sleeve 11, and can serve as that axle rotates in vertical plane with pin 15 by pin 15; The other end that closes link rod 10 is placed in the chute 13 of sleeve 12, at the bottom of the base plate of chute 13 is the arc-shaped slot of epirelief.The electric wire of all the sensors all internally extends along joint.The utlity model has cheap for manufacturing cost, easy to use, characteristic of high test precision.
The course of work of the present utility model is as follows:
(1) when treating that geodesic structure 1 only vertical relative displacement occurs, the relative displacement of structure 1 has just been represented in the relative displacement between the fixed bar 7 and 8, and this relative displacement is noted by the backguy displacement transducer that is installed on rotational sleeve 4 and the sliding sleeve 5.
(2) when treating that horizontal relative displacement appears in geodesic structure 1, measurement is with in the straight line relative displacement between the fixed bar 7 and 8 exactly.This relative displacement guarantees the accuracy of the relative displacement that backguy displacement transducer 2 measures by the rotation of rotational sleeve 4 and sliding sleeve 5.Simultaneously, angular displacement sensor 9 records the corner that is produced by the relative displacement for the treatment of geodesic structure 1 by closing link rod 10.
(3) influence that measurement is brought for fear of the vertical relative displacement for the treatment of geodesic structure 1 generation, sliding sleeve 5 can be eliminated the measurement influence to backguy displacement transducer 2 with sliding up and down with treating the rotational sleeve 4 that geodesic structure 1 links together.Simultaneously, closing link rod 10 can guarantee to close link rod 10 at the bottom of by the epirelief arc-shaped slot on the chute 13 all the time and transmit relative horizontal shift and give angular displacement sensor 9.
Claims (2)
1, measure the device of joint relative displacement in a kind of soil and the test of underground structure large vibration table, by treating geodesic structure (1), backguy displacement transducer (2), guide pole (3), rotational sleeve (4), sliding sleeve (5), fixed bar, angular displacement sensor (9), sleeve, closing link rod (10) and chute (13) forms, it is characterized in that treating that geodesic structure (1) is the hollow framed structure in middle part, fixed bar (7,8) end connects respectively and treats geodesic structure (1) top board, fixed bar (7) other end connects guide pole (3) one ends by rotational sleeve (4), fixed bar (8) other end connects guide pole (3) by sliding sleeve (5), backguy displacement transducer (2) is fixed in guide pole (3) top, and be positioned near fixed bar (7) one ends, backguy displacement transducer (2) is connected by backguy (6) level with sliding sleeve (5), make sliding sleeve (5) both along on fixed bar (8) work, under be free to slide, make horizontal direction along guide pole (3) again and slide; Angular displacement sensor (9) is two, lay respectively at and treat geodesic structure (1) bottom, be respectively equipped with sleeve (11,12) in the rotating shaft of angular displacement sensor (9), sleeve (12) top is provided with chute (13), close link rod (10) one ends by pin 1 (5) coupling sleeve (11), making and closing link rod (10) serves as that axle rotates in vertical plane with pin (15), closes link rod (11) other end and is placed in the chute (13), makes and closes link rod (11) along the left and right slip of chute (13).
2, measure the device of joint relative displacement in the test of soil according to claim 1 and underground structure large vibration table, at the bottom of the base plate that it is characterized in that chute (13) is the arc-shaped slot of epirelief.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200548124U CN201152806Y (en) | 2008-01-17 | 2008-01-17 | Apparatus for measuring relative displacement of joint in large scale vibration platform test of earth and underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200548124U CN201152806Y (en) | 2008-01-17 | 2008-01-17 | Apparatus for measuring relative displacement of joint in large scale vibration platform test of earth and underground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201152806Y true CN201152806Y (en) | 2008-11-19 |
Family
ID=40128485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200548124U Expired - Fee Related CN201152806Y (en) | 2008-01-17 | 2008-01-17 | Apparatus for measuring relative displacement of joint in large scale vibration platform test of earth and underground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201152806Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462197A (en) * | 2017-07-07 | 2017-12-12 | 中国航空工业集团公司西安飞机设计研究所 | A kind of relative displacement measuring method and relative displacement measurement apparatus |
| CN110243328A (en) * | 2019-06-14 | 2019-09-17 | 上海交通大学 | The sensor and method of measurement soil and underground structure contact interface dynamic Relative sliding |
-
2008
- 2008-01-17 CN CNU2008200548124U patent/CN201152806Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462197A (en) * | 2017-07-07 | 2017-12-12 | 中国航空工业集团公司西安飞机设计研究所 | A kind of relative displacement measuring method and relative displacement measurement apparatus |
| CN110243328A (en) * | 2019-06-14 | 2019-09-17 | 上海交通大学 | The sensor and method of measurement soil and underground structure contact interface dynamic Relative sliding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20120117 |