CN210570708U - Non-contact vertical displacement testing device for plumb line system - Google Patents
Non-contact vertical displacement testing device for plumb line system Download PDFInfo
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- CN210570708U CN210570708U CN201921566535.XU CN201921566535U CN210570708U CN 210570708 U CN210570708 U CN 210570708U CN 201921566535 U CN201921566535 U CN 201921566535U CN 210570708 U CN210570708 U CN 210570708U
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- plumb line
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Abstract
The utility model relates to a non-contact vertical deflection testing device for plumb line system, which comprises a laser sensor bearing platform with a central through hole, a laser sensor mounting plate arranged at the lower end of the laser sensor bearing platform, a laser sensor arranged in the laser sensor mounting plate and a vertical deflection measuring target which is arranged below the laser sensor mounting plate and is not contacted with the laser sensor mounting plate; and a plumb line in the plumb line system passes through a central through hole of the laser sensor bearing platform and is connected with the vertical displacement measurement target. The utility model discloses a vertical testing arrangement that shifts can the vertical shifting of the large-scale structure of accurate measurement, simultaneously, dismantles and assembles convenience, swift, alleviates on-the-spot installation work volume.
Description
Technical Field
The utility model belongs to the technical field of civil engineering medium and large-scale building structure monitoring, especially, relate to a vertical testing arrangement that shifts of non-contact for plumb line system.
Background
In the field of displacement monitoring of large-scale building structures, when a point to be measured on a structure is high and people cannot arrive at the point, a plumb line is usually hung at the point to be measured on the structure, and a displacement sensor is arranged at a reference point (where people can arrive), so that displacement transmission and data testing of the point to be measured are realized, namely, the displacement of the structure is measured by a plumb line method.
In the existing plumb line method vertical deflection testing technology, the main testing principle is shown in fig. 9, a measuring point support is installed at the position of a point 12 to be tested, a plumb line 1 is hung on the measuring point support, and a heavy hammer 6 is connected to the bottom of the plumb line 1 to ensure the stability of the plumb line. A displacement sensor holder 11 is mounted in the (relatively stationary) position of the reference point 8, a displacement sensor 9 is mounted on the displacement sensor holder 11, and the displacement sensor 9 is connected firmly to the plumb line 1 by means of a connecting piece 10. When the structure of the point 12 to be measured generates vertical deflection, the plumb line 1 moves along with the structure, and the displacement sensor 9 measures the difference between the front position and the rear position, namely the vertical deflection of the point 12 to be measured.
The prior measurement technology has the following defects: 1. the displacement sensor is fixedly connected with the plumb line, when the structure deforms, the structure can be accompanied by certain horizontal deformation besides vertical deformation, the horizontal displacement of the plumb line is limited by the existing measurement technology, the influence on the vertical displacement test cannot be eliminated and corrected, and the absolute accuracy of the vertical displacement test result cannot be ensured; 2. installation process is complicated, can't eliminate installation manual error, because the plumb line need pass through connecting piece and displacement sensor fixed connection, so be difficult to guarantee the absolute plumb line of plumb line direction to need calibrate the plumb line direction after the installation, field work volume is big.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model provides a vertical testing arrangement that shifts of non-contact for plumb line system can the accurate vertical that measures the large-scale building structure that awaits measuring shift, simultaneously, dismantles and assembles convenience, swift, alleviates on-the-spot installation work volume.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a vertical testing arrangement that shifts of non-contact for plumb line system, including laser sensor load-bearing platform, install the laser sensor mounting panel at laser sensor load-bearing platform lower extreme, set up the laser sensor in the laser sensor mounting panel and set up in laser sensor mounting panel below and not with the vertical displacement measurement target of laser sensor mounting panel contact, this vertical displacement measurement target is connected with the plumb line in the plumb line system that passes laser sensor load-bearing platform.
Further, as above-mentioned a vertical testing arrangement that shifts of non-contact for plumb line system, laser sensor load-bearing platform is the tubular structure who has upper junction plate and lower connecting plate.
Further, as above-mentioned a vertical testing arrangement that shifts of non-contact for plumb line system, the laser sensor mounting panel is box structure, and it passes through the bolt fastening on laser sensor load-bearing platform's lower connecting plate.
Further, as above-mentioned a vertical testing arrangement that shifts of non-contact for plumb line system, a plurality of laser sensor mounting panels of circumference equipartition are followed to laser sensor load-bearing platform's lower extreme, are equipped with laser sensor in every laser sensor mounting panel.
Further, as above-mentioned a vertical testing arrangement that shifts of non-contact for plumb line system, vertical displacement measurement mark target includes target dish adjusting screw and cup joints on target dish adjusting screw and can follow the vertical displacement measurement target dish that target dish adjusting screw reciprocated.
Further, as above-mentioned a vertical testing arrangement that shifts of non-contact for plumb line system, vertical displacement measurement target dish is connected with target dish adjusting screw through being equipped with internal screw thread connecting sleeve.
Furthermore, as above-mentioned a vertical testing arrangement that shifts of non-contact for plumb line system, the both ends of mark target dish adjusting screw are equipped with rings screw and lower rings screw respectively, rings screw and lower rings screw all adopt threaded connection with mark target dish adjusting screw down.
The utility model has the advantages of:
(1) the utility model discloses a vertical testing arrangement that shifts, through setting up laser sensor load-bearing platform, install laser sensor at laser sensor load-bearing platform lower extreme to set up in laser sensor's below and measure the mark target rather than contactless vertical shifting, measure the mark target with vertical shifting and be connected with the plumb line, thereby when the structure that awaits measuring produces vertical displacement, the plumb line drives vertical displacement and measures the mark target and reciprocate, the plumb line does not receive the influence of any device, be in complete plumb state, measured data's accuracy has been ensured.
(2) The utility model discloses a vertical testing arrangement that shifts, it is convenient, swift to dismantle and assemble, alleviates on-the-spot installation work load.
Drawings
FIG. 1 is a schematic structural view of the vertical deflection testing device of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a cross-sectional view of a laser sensor carrying platform;
FIG. 6 is a schematic structural view of the vertical deflection measurement target of the present invention;
3 fig. 3 7 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 a 3- 3 a 3 in 3 fig. 3 6 3. 3
FIG. 8 is an installation view of the vertical deflection test apparatus of the present invention in a plumb line system;
figure 9 is a view of the prior art installation of a vertical deflection testing device in a plumb line system.
In the figure:
1. plumb line 2-laser sensor bearing platform 3-laser sensor mounting plate 4-laser sensor 5-vertical deflection measurement target 6-weight 7-bolt 8-reference point 9-displacement sensor 10-connecting piece 11-displacement sensor support 12-point to be measured 13-laser sensor mounting support 21-upper connecting plate 22-lower connecting plate 51-target plate adjusting screw 52-connecting sleeve 53-vertical measurement target plate 54-upper lifting ring screw 55-lower lifting ring screw
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, be the utility model provides a vertical testing arrangement that shifts of non-contact for plumb line system, this vertical testing arrangement that shifts is including laser sensor load-bearing platform 2, laser sensor mounting panel 3, laser sensor 4 and the vertical measuring target 5 that shifts that has central through-hole. Wherein, the laser sensor mounting panel 3 is fixed at the 2 lower extremes of laser sensor load-bearing platform, and laser sensor 4 sets up in the laser sensor mounting panel 3, and vertical displacement measurement target 5 sets up 3 below laser sensor mounting panels and does not contact with the laser sensor mounting panel, and this vertical displacement measurement target 5 upper end is connected with plumb line 1 in the plumb line system that passes the 2 central through-holes of laser sensor load-bearing platform, and the lower extreme is connected with weight 6 in the plumb line system.
The laser sensor bearing platform 2 is a cylindrical structure with an upper connecting plate 21 and a lower connecting plate 22, and the structure is simple and convenient to assemble and disassemble, as shown in fig. 5.
The laser sensor mounting plate 3 is of a box-type structure, so that the laser sensor can be conveniently mounted. The laser sensor mounting plate 3 is fixed on the lower connecting plate 22 of the laser sensor bearing platform 2 through bolts 7. The laser sensor mounting plates 3 can be arranged in a plurality of modes and are uniformly distributed at the bottom of the laser sensor bearing platform 2 along the circumferential direction, and a laser sensor 4 is arranged in each laser sensor mounting plate 3. The number of the laser sensors 4 can be adjusted according to requirements, the number of the laser sensors is more, the measuring result is more accurate, and the average value of the measured results of the laser sensors can eliminate the problem that the vertical displacement measuring target inclines, so that the accuracy of the vertical deformation measurement of a large building is improved. The precision of the test result of the laser sensor can reach 0.01 mm.
As shown in fig. 6 and 7, the vertical deflection measuring target 5 of the present invention includes a target plate adjusting screw 51, a connecting sleeve 52, a vertical measuring target plate 53, an upper lifting bolt 54 and a lower lifting bolt 55. Wherein, vertical measurement target dish 53 cup joints fixedly on connecting sleeve 52, and connecting sleeve 52 overlaps and is established on target dish adjusting screw 51 and with target dish adjusting screw 51 threaded connection, goes up eyebolt 54 and lower eyebolt 55 and sets up respectively at the upper and lower both ends of target dish adjusting screw 51 to with target dish adjusting screw 51 threaded connection. Therefore, the vertical measurement target plate 53 can be adjusted within a certain height range along the target plate adjusting screw 51, and after the position is adjusted, the connecting sleeve 643 is screwed and fixed through the hexagon nut.
As shown in fig. 8, it is the utility model discloses the installation schematic diagram of vertical testing arrangement that shifts in plumb line system, as shown in the figure, laser sensor installing support 13 that has the central through-hole is installed at reference point 8 (relative quiescent) position, install laser sensor load platform 2 and laser sensor 4 in the below of laser sensor installing support 13, will hang and be connected with vertical displacement measurement target 5 after passing central through-hole on laser sensor installing support 13 and the central through-hole on the laser sensor load platform 2 in proper order at plumb line 1 that waits to measure 12 supports, connect weight 6 in the below of vertical displacement measurement target 5, in order to guarantee the stability of plumb line.
When the structure to be measured produces vertical displacement, the plumb line drives vertical displacement measurement target and reciprocates, and after the stabilization, laser sensor surveys the distance of reading out the benchmark to vertical displacement measurement target, and the change value is the vertical displacement of structure promptly.
The utility model discloses a vertical testing arrangement that shifts, when the structure that awaits measuring produces vertical displacement, the plumb line does not receive the influence of any device, is in vertical state completely to measured data's accuracy has been guaranteed.
The utility model discloses testing arrangement can set up various cross sectional dimension as required to adapt to the demand of different projects.
The utility model discloses a vertical testing arrangement that shifts of non-contact for plumb line system is not limited to above-mentioned specific embodiment, and the skilled person in the art basis the utility model discloses a technical scheme reachs other embodiments, belongs to equally the utility model discloses a technical innovation scope.
Claims (7)
1. The utility model provides a vertical testing arrangement that shifts of non-contact for plumb line system which characterized by: the device comprises a laser sensor bearing platform (2) with a central through hole, a laser sensor mounting plate (3) arranged at the lower end of the laser sensor bearing platform (2), a laser sensor (4) arranged in the laser sensor mounting plate (3) and a vertical displacement measuring target (5) which is arranged below the laser sensor mounting plate (3) and is not in contact with the laser sensor mounting plate (3); the vertical displacement measurement target (5) is connected with a plumb line in a plumb line system which passes through a central through hole of the laser sensor bearing platform (2).
2. The non-contact vertical deflection testing apparatus for plumb line systems as in claim 1, wherein: the laser sensor bearing platform (2) is of a cylindrical structure with an upper connecting plate (21) and a lower connecting plate (22).
3. The non-contact vertical deflection testing apparatus for plumb line systems as in claim 2, wherein: the laser sensor mounting plate (3) is of a box-type structure and is fixed on a lower connecting plate (22) of the laser sensor bearing platform (2) through a bolt (7).
4. A non-contact vertical displacement test device for plumb line systems as in claim 3, wherein: the lower end of the laser sensor bearing platform (2) is uniformly distributed with a plurality of laser sensor mounting plates (3) along the circumferential direction, and a laser sensor (4) is arranged in each laser sensor mounting plate (3).
5. The non-contact vertical deflection testing apparatus for plumb line systems as in claim 4, wherein: the vertical deflection measuring target (5) comprises a target plate adjusting screw rod (51) and a vertical deflection measuring target plate (53) which is sleeved on the target plate adjusting screw rod (51) and can move up and down along the target plate adjusting screw rod (51).
6. The non-contact vertical deflection testing apparatus for plumb line systems as in claim 5, wherein: the vertical deflection measurement target plate (53) is connected with the target plate adjusting screw rod (51) through a connecting sleeve (52) with internal threads.
7. The non-contact vertical deflection testing apparatus for plumb line systems as in claim 6, wherein: the two ends of the target plate adjusting screw rod (51) are respectively provided with an upper lifting ring screw (54) and a lower lifting ring screw (55), and the lower lifting ring screw (55) are in threaded connection with the target plate adjusting screw rod (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566535.XU CN210570708U (en) | 2019-09-20 | 2019-09-20 | Non-contact vertical displacement testing device for plumb line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566535.XU CN210570708U (en) | 2019-09-20 | 2019-09-20 | Non-contact vertical displacement testing device for plumb line system |
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| Publication Number | Publication Date |
|---|---|
| CN210570708U true CN210570708U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921566535.XU Active CN210570708U (en) | 2019-09-20 | 2019-09-20 | Non-contact vertical displacement testing device for plumb line system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018227A (en) * | 2021-10-29 | 2022-02-08 | 山东中实勘察测绘有限公司 | Prism rod device of RTK measuring instrument |
| CN115112110A (en) * | 2022-06-08 | 2022-09-27 | 华能澜沧江水电股份有限公司 | Perpendicular line accuracy testing arrangement convenient to leveling |
-
2019
- 2019-09-20 CN CN201921566535.XU patent/CN210570708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018227A (en) * | 2021-10-29 | 2022-02-08 | 山东中实勘察测绘有限公司 | Prism rod device of RTK measuring instrument |
| CN115112110A (en) * | 2022-06-08 | 2022-09-27 | 华能澜沧江水电股份有限公司 | Perpendicular line accuracy testing arrangement convenient to leveling |
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