CN106894453A - A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument - Google Patents
A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument Download PDFInfo
- Publication number
- CN106894453A CN106894453A CN201510988956.1A CN201510988956A CN106894453A CN 106894453 A CN106894453 A CN 106894453A CN 201510988956 A CN201510988956 A CN 201510988956A CN 106894453 A CN106894453 A CN 106894453A
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- standard
- vibration machine
- calibrating installation
- strain
- tool
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument belongs to technical field of experiment equipment, it is to examine and determine configuration to carry out the dynamic strain reference sensitivity of foundation pile movable measurement instrument, the device will be completed to standard vibration machine hang upside down, and be rigidly connected with standard acceler, tool-type strain transducer, tool-type strain transducer is rigidly attached in the middle of strain calibrating installation, while ensureing to install initial static strain amount minimum as far as possible.Dynamic strain calibrating installation structure mainly includes frame and position adjusting mechanism, and frame coordinates supported and suspended standard vibration machine with projecting frame；Position adjusting mechanism is used to adjust vibration table surface, standard vibration machine and tool-type strain transducer vertically on one wire, and it is made up of standard vibration machine with standard acceler bindiny mechanism, standard acceler and the back-to-back attachment structure of tool-type strain transducer, dismountable flat structure and three-dimensional mobile platform.The apparatus structure is simple and convenient to operate.
Description
Technical field
The present invention relates to a kind of dynamic strain calibrating installation of foundation pile movable measurement instrument, include a frame, the frame is used for supported and suspended standard vibration machine；
One standard vibration machine, for producing dynamic strain amount；One standard vibration machine and standard acceler bindiny mechanism, for shaking standard vibration machine
Momentum Vertical passes to sensor；One standard acceler and the back-to-back attachment structure of tool-type strain transducer, for by the vibration of shake table
Amount is equivalent to be delivered to two sensors；One three-dimensional mobile platform, the position for adjusting tool-type strain transducer xyz direction of principal axis answers tool-type
Change sensor rigid ground is arranged in the middle of strain calibrating installation, and the tester of the dynamic strain calibrating of a set of foundation pile movable measurement instrument is configured.
Background technology
Foundation pile movable measurement instrument is mainly used in the performance detection of foundation pile in pile foundation engineering, and it mainly by sensor, adapter, signal picker and shows
Show a few part compositions such as controller.The physical quantity of foundation pile movable measurement instrument measurement mainly has：Acceleration, speed, dynamic force, dynamic strain etc., it can be regarded
The difference of physical quantity, constitutes different measuring systems.
The dynamic strain calibrating installation of foundation pile movable measurement instrument is primarily to carry out the dynamic strain reference sensitivity calibrating configuration of foundation pile movable measurement instrument, the dress
Putting to complete to standard vibration machine hang upside down, and is rigidly connected with standard acceler, tool-type strain transducer, tool-type is strained and is passed
Sensor is rigidly attached in the middle of strain calibrating installation, while ensureing to install initial static strain amount minimum as far as possible.
The content of the invention
The purpose of the present invention is：A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument is designed and developed, disclosure satisfy that dynamic strain reference sensitivity is examined and determine
Regulation is required.To achieve these goals, the present invention is achieved using following technology：A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument includes matching somebody with somebody
Frame, projecting frame, standard vibration machine, standard vibration machine and standard acceler bindiny mechanism, standard acceler, tool-type strain
Sensor and three-dimensional mobile platform；Frame inner side is equipped with reinforcement；Projecting frame is connected by one group of bolt with frame；Standard vibration
Platform carries out hang upside down by projecting frame, and is fixed equipped with four briquettings；Pass through one group of company between standard acceler and standard vibration machine
Connection mechanism is rigidly connected；Standard acceler is rigidly connected back-to-back with tool-type strain transducer by stud；In three-dimensional mobile platform
Face configuration dismountable flat is used for flexible fastening means formula strain transducer, tool-type strain transducer is rigidly attached in the middle of strain calibrating installation,
Fastened with framework soleplate below three-dimensional mobile platform.
Structure of the invention can be divided into frame, projecting frame, standard vibration machine, sensor and standard vibration machine bindiny mechanism, normal acceleration biography
Sensor, tool-type strain transducer and three-dimensional mobile platform；Frame is used for supported and suspended inverted standard vibration machine with projecting frame, hangs upside down frame top
One group of perforate that can be adjusted up and down of balanced configuration, can realize the coarse adjustment to hanging upside down shake table upper-lower position；Standard vibration machine is used to produce dynamic strain amount；
Standard vibration machine and standard acceler bindiny mechanism can by the vibration displacement amount vertical transmission of standard vibration machine to standard acceler,
It is connected by a pair of ball head structures, and one end and the standard vibration machine of bulb are rigidly connected, and the other end of bulb is and standard acceler rigidity
Connection；Standard acceler is rigidly connected back-to-back with tool-type strain transducer by stud, for by standard vibration machine vibratory output etc.
Effect is delivered to two sensors；Three-dimensional mobile platform can realize the thin tuning to xyz direction of principal axis relative positions, and being configured with above three-dimensional mobile station can
Dismounting flat board, the two cooperation can be adjusted flexibly the relative position of fastening means formula strain transducer, and being rigidly mounted at tool-type strain transducer should
Become in the middle of calibrating installation, while ensureing that installing initial static strain amount reaches minimum as far as possible.
The material that frame of the invention is selected is angle bar；Projecting frame is from polishing after No. 45 steel cuttings；Bolt selection standard M8 × 50, sensing
Device and standard vibration machine bindiny mechanism material selection hard aluminium alloy；Standard vibration machine, standard acceler select suitable factory according to test requirements document
Family's purchase；Three-dimensional mobile platform selection can carry out the mobile displacement platform of three-axis accurate fine setting.
The present invention is the experiment platform device that the dynamic strain reference sensitivity calibrating to complete foundation pile movable measurement instrument is provided, and the apparatus structure is simple, behaviour
Facilitate, design parameter is fully able to meet the requirement of dynamic strain reference sensitivity calibrating.
Brief description of the drawings
Fig. 1 is experimental provision structure overall diagram of the invention
Fig. 2 is experimental provision Plays shake table of the invention and sensor connection means figure
1：Reinforcement；2：Framework soleplate；3：Three-dimensional mobile platform；4：Frame；5：Standard vibration machine；6：Projecting frame；7：Bolt
M8×50；8：Screw；9：Briquetting；10：Bolt；11：Standard acceler；12：Stud；13：Tool-type strain transducer；
14：Hexagon socket head cap screw；15：Dismountable flat；16：Nut M4；17：Steel pole；18：Bolt M4；19：Upper cover；20：Upper back cover plate；
21：Vibration table surface；22：Upper steel ball；23：Low head；24：Lower steel ball；25：Lower back cover plate.
Specific embodiment
Below by specific embodiment, and with reference to accompanying drawing, technology implementation process of the invention is further described specifically.
As depicted in figs. 1 and 2, a kind of dynamic strain calibrating installation of foundation pile movable measurement instrument, including organic frame 4, the side of frame 4 is configured with reinforcement
Muscle 1 is used to reinforce overall structure, and frame 4 is configured with framework soleplate 2 for supporting three-dimensional mobile platform 3 below；The top of frame 4 passes through one group of spiral shell
Bolt nut installs projecting frame 6, and the projecting both sides of frame 6 are configured with the spaced perforate that can be adjusted up and down, and the bore size for hanging upside down the lower plate of frame 6 is fitted
Together in inverted standard vibration machine 5 is placed, the surrounding of the projecting lower plate of frame 6 leaves four perforates, and briquetting 9 is installed by perforate and bolt 10, uses
In compression standard vibration machine 5；The table top 21 of the lower section of inverted standard vibration machine 5 is firm with standard acceler bindiny mechanism by standard vibration machine
Property connection standard acceler, standard vibration machine is connected back cover plate 20 and upper envelope with the bolt 18 in standard acceler bindiny mechanism
First 19, respectively stay out a semi-round ball hole, centre to place upper steel ball 22, screw is provided with upper steel ball 22, lead to inside upper back cover plate 20 and upper cover 19
The screw crossed on steel ball 22 is connected to one end of steel pole 17, and the lower steel ball 24 of other end connection of steel pole 17, lower steel ball 24 is located at low head 23
With the inside of lower back cover plate 25, a semi-round ball hole is respectively stayed out inside low head 23 and lower back cover plate 25, low head 23 and lower back cover plate 25 pass through
A pair of bolts is connected；Lower back cover plate 25 connects standard acceler 11 by stud；Standard acceler 11 passes through stud
12 fastening means formula strain transducers 13, tool-type strain transducer 13 is rigidly connected with dismountable flat 15；Dismountable flat 15 is placed on three
The top of dimension mobile platform 3, is fastened between dismountable flat 15 and three-dimensional mobile platform 3 by 4 hexagon socket head cap screws, by adjusting three-dimensional shifting
Moving platform 3 can adjust the relative position of the xyz direction of principal axis between dismountable flat 15 and tool-type strain transducer 13, make vibration table surface 21,
Bindiny mechanism, standard vibration machine 5 and tool-type strain transducer 13 are on a vertical line, while being rigidly mounted tool-type strain transducer
In the middle of strain calibrating installation, while ensureing that installing initial static strain amount reaches minimum as far as possible.
Claims (4)
1. the dynamic strain calibrating installation of a kind of foundation pile movable measurement instrument, it is included with frame (4), projecting frame (6), standard vibration machine (5), standard vibration machine (5) and standard acceler (11) bindiny mechanism, standard acceler (11), tool-type strain transducer (13) and three-dimensional mobile platform (3), it is characterised in that：Described frame (4) inner side is equipped with reinforcement (1)；Projecting frame (6) is connected by one group of bolt (7) and frame (4)；Standard vibration machine (5) carries out hang upside down by projecting frame (6), and is fixed equipped with four briquettings (9)；It is rigidly connected by one group of bindiny mechanism between standard acceler (11) and standard vibration machine (5)；Standard acceler (11) is rigidly connected back-to-back with tool-type strain sensing (13) device by stud (12)；Three-dimensional mobile platform (3) configures dismountable flat (15) for flexible fastening means formula strain transducer (13) above, tool-type strain transducer (13) is set to be rigidly attached in the middle of strain calibrating installation, three-dimensional mobile platform (3) is fastened with framework soleplate (2) below.
2. the dynamic strain calibrating installation of a kind of foundation pile movable measurement instrument as claimed in claim 1, it is characterised in that：Described projecting frame (6) top one group of perforate that can be adjusted up and down of balanced configuration.
3. the dynamic strain calibrating installation of a kind of foundation pile movable measurement instrument as claimed in claim 1, it is characterised in that：Described standard vibration machine (5) with standard acceler (11) bindiny mechanism is connected by a pair of ball head structures, one end of bulb is rigidly connected with standard vibration machine (5), and the other end of bulb is rigidly connected with standard acceler (11).
4. the dynamic strain calibrating installation of a kind of foundation pile movable measurement instrument as claimed in claim 1, it is characterised in that：Described three-dimensional mobile platform energy (3) coordinates the relative position that fastening means formula strain transducer (13) can be adjusted flexibly with dismountable flat (15), tool-type strain transducer (13) is set to be rigidly mounted in the middle of strain calibrating installation, while ensureing that installing initial static strain amount reaches minimum as far as possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988956.1A CN106894453B (en) | 2015-12-18 | 2015-12-18 | A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988956.1A CN106894453B (en) | 2015-12-18 | 2015-12-18 | A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106894453A true CN106894453A (en) | 2017-06-27 |
| CN106894453B CN106894453B (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510988956.1A Active CN106894453B (en) | 2015-12-18 | 2015-12-18 | A kind of dynamic strain calibrating installation of foundation pile movable measurement instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036855A (en) * | 2018-01-09 | 2018-05-15 | 广东电网有限责任公司电力科学研究院 | A kind of table top assembly |
| CN113091595A (en) * | 2021-04-02 | 2021-07-09 | 浙江省计量科学研究院 | Tool type strain sensor dynamic and static measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359890A (en) * | 1979-07-09 | 1982-11-23 | Societe Anonyme France-Atlas | Apparatus for testing the load-bearing properties of a foundation |
| CN201335773Y (en) * | 2008-10-17 | 2009-10-28 | 广州市计量检测技术研究院 | Dynamic calibrating device of portable braking tester |
| CN203455183U (en) * | 2013-09-29 | 2014-02-26 | 华南理工大学 | Reaction frame platform with movable bottom backing plate |
| CN204202810U (en) * | 2014-09-25 | 2015-03-11 | 黑龙江华安精益计量技术研究院有限公司 | Dynamic force calibrating installation |
| CN205224131U (en) * | 2015-12-18 | 2016-05-11 | 中国计量学院 | Foundation pile moves dynamic strain calibrating installation who surveys appearance |
-
2015
- 2015-12-18 CN CN201510988956.1A patent/CN106894453B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359890A (en) * | 1979-07-09 | 1982-11-23 | Societe Anonyme France-Atlas | Apparatus for testing the load-bearing properties of a foundation |
| CN201335773Y (en) * | 2008-10-17 | 2009-10-28 | 广州市计量检测技术研究院 | Dynamic calibrating device of portable braking tester |
| CN203455183U (en) * | 2013-09-29 | 2014-02-26 | 华南理工大学 | Reaction frame platform with movable bottom backing plate |
| CN204202810U (en) * | 2014-09-25 | 2015-03-11 | 黑龙江华安精益计量技术研究院有限公司 | Dynamic force calibrating installation |
| CN205224131U (en) * | 2015-12-18 | 2016-05-11 | 中国计量学院 | Foundation pile moves dynamic strain calibrating installation who surveys appearance |
Non-Patent Citations (1)
| Title |
|---|
| 国家质量技术监督局: "基桩动态测量仪", 《中华人民共和国国家计量检定规程 JJG930-1998》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036855A (en) * | 2018-01-09 | 2018-05-15 | 广东电网有限责任公司电力科学研究院 | A kind of table top assembly |
| CN113091595A (en) * | 2021-04-02 | 2021-07-09 | 浙江省计量科学研究院 | Tool type strain sensor dynamic and static measuring device |
| CN113091595B (en) * | 2021-04-02 | 2023-03-24 | 浙江省计量科学研究院 | Tool type strain sensor dynamic and static measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106894453B (en) | 2018-12-11 |
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