CN205691086U - The measurement apparatus of anchor cable elongation - Google Patents
The measurement apparatus of anchor cable elongation Download PDFInfo
- Publication number
- CN205691086U CN205691086U CN201620655829.XU CN201620655829U CN205691086U CN 205691086 U CN205691086 U CN 205691086U CN 201620655829 U CN201620655829 U CN 201620655829U CN 205691086 U CN205691086 U CN 205691086U
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- CN
- China
- Prior art keywords
- inner casing
- anchor cable
- elongation
- measurement apparatus
- displacement
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
This utility model provides the measurement apparatus of a kind of anchor cable elongation, including jack and displacement transducer.Jack is placed on anchorage；Jack includes outer shell and inner casing, and anchor cable is arranged in inner casing, and anchor cable is fixedly clamped by the outer end of inner casing by moveable anchor and intermediate plate, can stretch-draw anchor when inner casing is protruding.The component of measuring of displacement transducer is butted on the outer end of inner casing mutually, and displacement transducer can measure the displacement of inner casing, thus realizes measuring the elongation of anchor cable.The measurement apparatus simple structure of this utility model anchor cable elongation, easy to operate, testing staff can be in safe distance external pelivimetry, reading data, improve detection efficiency, it is effectively guaranteed personal security, and improve certainty of measurement, when being particularly suited for anchoring engineering pulling test, the wide range of anchor cable (bar) elongation is accurately measured.The measurement apparatus of this utility model anchor cable elongation can large-scale popularization and the quality detection work being applied to anchoring engineering.
Description
Technical field
This utility model relates to anchoring engineering stretch-draw technical field of quality detection, particularly to the survey of a kind of anchor cable elongation
Amount device.
Background technology
Anchoring engineering is widely used in civil engineering industry, and application is extensive, and the quality testing of anchoring engineering is inspection
Its construction quality and the effective way of anchoring effect.For the proof test of permanent anchor cable (bar) withdrawal resistance, compensate load and open
After pulling into, specification regulation carries out grading tension, next stage by 0.5,0.75,1.00,1.20,1.33 and 1.5 times of design loads
Displacement not can exceed that 2 times of upper level displacement, and the total displacement amount that anchor cable (bar) is measured under maximum finder charge, should
Exceed under this load the 80% of body of rod freedom length theory elastic elongation value, and less than freedom length and 1/2 anchoring depth
The theoretical elastic elongation value of sum.
During anchor cable detects, every one-level loads the elongation being both needed to measure anchor cable (bar), and current metering system is for using
Slide gauge carries out manual measurement, and due to the complexity of field detection working condition, sometimes detection hole site, should not stand people；Detection
During the uncertain situation that is likely to occur of anchoring engineering, as anchor rope breakage, intermediate plate collapse；And manual operation cannot ensure often
The uniqueness of secondary measurement position, may cause measurement error, is also likely to result in overlay error during reading；Additionally, for long anchor cable
During (bar) pulling test, its elongation is relatively big, need to use slide gauge manual measurement, it has not been convenient to the most dangerous.
It would therefore be highly desirable to invent a kind of device measuring anchor cable wide range elongation.
Utility model content
The technical problems to be solved in the utility model is the deficiency overcoming above-mentioned prior art to exist, and proposes a kind of anchor
The measurement apparatus of line stretch amount is dangerous, inaccurate and inconvenient to solve the wide range stretch-draw measurement of prior art stream line
Etc. problem.
For solving above-mentioned technical problem, the utility model proposes the measurement apparatus of a kind of anchor cable elongation, including: jack
And displacement transducer.Jack is placed on anchorage；Described jack includes outer shell and inner casing, and anchor cable is arranged in described inner casing,
Anchor cable is fixedly clamped by the outer end of described inner casing by moveable anchor and intermediate plate, can be described in stretch-draw when described inner casing is protruding
Anchor cable；The component of measuring of displacement transducer is butted on the outer end of described inner casing mutually, and institute's displacement sensors can be measured described interior
The displacement of cylinder, thus realize measuring the elongation of described anchor cable.
Further, the component of measuring of institute's displacement sensors includes the pillar that expansion link and is fixedly installed；Described stretch
One end of contracting bar is butted on the outer end of described inner casing mutually；Described pillar and described inner casing outer end interval arrange, and described in protect
Pipe box is located on described expansion link, and described inner casing drives described expansion link to be subjected to displacement relative to described pillar time protruding；
The chip that can gather described expansion link displacement it is provided with in described pillar.
Further, being provided with spring between the outer end of described inner casing and described pillar, described spring housing is located at described
On expansion link.
Further, described pillar is fixedly installed by a support, and described support is detachable with the outer shell of described jack
Connect.
Further, described support is removably connected by the outer shell of magnetic-adsorption pedestal with described jack.
Further, institute's displacement sensors also includes: power supply and readout instrument；Described power supply is described chip and described reading
Number instrument provides electric power；Described readout instrument can show the displacement of the described expansion link that described chip gathers.
Compared with prior art, advantage of the present utility model and have the active effect that this utility model anchor cable elongation
Measurement apparatus simple structure, easy to operate, testing staff can in safe distance external pelivimetry, read data, improve detection efficiency,
It is effectively guaranteed personal security, and improves certainty of measurement, be particularly suited for anchor cable (bar) elongation during anchoring engineering pulling test
The wide range of amount is accurately measured.The measurement apparatus of this utility model anchor cable elongation can large-scale popularization and be applied to anchoring engineering
Quality detection work.
Accompanying drawing explanation
Fig. 1 is the structural representation of the measurement apparatus of this utility model anchor cable elongation.
Fig. 2 is the flow chart of the measuring method of this utility model anchor cable elongation.
Description of reference numerals is as follows: 10, slope；11, anchor cable；12, anchorage；13, anchor tiltedly holds in the palm；14, intermediate plate；20, very heavy
Top；21, outer shell；22, inner casing；221, outer end；31, expansion link；32, pillar；33, spring；34, support；35, magnetic-adsorption base
Seat；36, power supply；37, readout instrument；38, data wire.
Detailed description of the invention
Embodiment this utility model feature will describe the most in detail with the exemplary embodiment of advantage.It should be understood that
Be that this utility model can have various changes on different embodiments, it is all without departing from model of the present utility model
Enclose, and explanation therein and be shown in and be substantially treated as purposes of discussion, and be not used to limit this utility model.
Refering to shown in Fig. 1, this utility model provides the measurement apparatus of anchor cable elongation, is anchored at slope 10 for measurement
On the elongation of anchor cable 11, this measurement apparatus includes: jack 20 and displacement transducer.
Jack 20 is placed on anchorage 12, and wherein anchorage 12 is placed in anchor and tiltedly holds in the palm on 13；Jack 20 includes outer shell 21 and interior
Cylinder 22, anchor cable 11 is arranged in inner casing 22, and anchor cable 11 is clamped solid by the outer end 221 of inner casing 22 by moveable anchor and intermediate plate 14
Fixed, can stretch-draw anchor 11 when inner casing 22 is protruding.
The component of measuring of displacement transducer is butted on the outer end 221 of inner casing 22 mutually, and displacement transducer can detect inner casing 22
Displacement, thus realize measure anchor cable 11 elongation.
The measurement component of the displacement transducer in the present embodiment includes expansion link 31 and pillar 32.
One end of expansion link 31 is butted on the outer end 221 of inner casing 22 mutually.
Pillar 32 is fixedly installed.The interval, outer end 221 of pillar 32 and inner casing 22 is arranged, and pillar 32 is sheathed on expansion link
On 31, when inner casing 22 is protruding, drive expansion link 31 can be subjected to displacement relative to pillar 32；It is provided with in pillar 32 and can adopt
The chip of collection expansion link 31 displacement.
Further, the measurement component of displacement transducer also includes spring 33.
Spring 33 is located between the outer end 221 of inner casing 22 and pillar 32.One end of spring 33 is butted on outside inner casing 22 mutually
End 221, the other end is connected with the end of pillar 32, and spring 33 is sheathed on expansion link 31.
In the present embodiment, displacement transducer also includes: support 34, magnetic-adsorption pedestal 35, power supply 36, readout instrument 37.
The outer wall of one end of support 34 and pillar 32 is fixing to be connected, the detachable phase of outer shell 21 of the other end and jack 20
Even.In the present embodiment, support 34 is to be made up of many root lengths connecting rod.
In actual use, support 34 can also is that housing or other structures, is not construed as limiting herein.
Further, support 34 is removably connected by the outer shell 21 of magnetic-adsorption pedestal 35 with jack.In this enforcement
In example, magnetic-adsorption pedestal 35 is with switch, it is simple to removably connect with the outer shell 21 of jack.More preferably, support 34 sets
There is set screw (not shown), expansion link 31 phase can be made to be butted on the outer end 221 of inner casing 22 by adjusting set screw.
In other embodiments, magnetic-adsorption pedestal 35 can omit.
Power supply 36 provides electric power for the chip in pillar 32 and readout instrument 37, and in the present embodiment, power supply 36 is portable lithium
Battery and the safety low-pressure power supply of offer 12V.
Readout instrument 37 is connected with the measurement component of displacement transducer by data wire 38, and it can display chip collection in real time
The displacement of expansion link 31.
The operation principle of the measurement apparatus of the present embodiment anchor cable elongation is: oil pump pressurization time, the inner casing 22 of jack to
Overhang, simultaneously the expansion link 31 of compression displacement sensor, due to decrement and the elongation one of jack 20 of expansion link 31
Causing, the elongation measuring expansion link 31 i.e. understands the elongation of jack 20, that is the elongation of anchor cable 11.
Seeing Fig. 1 and Fig. 2, this utility model also includes the measuring method of anchor cable elongation, utilizes above-mentioned anchor cable elongation
Measurement apparatus measure, this measuring method comprises the steps:
Step 100: being placed on anchorage 12 by jack 20, anchor cable 11 is arranged in the inner casing 22 of jack 20, passes through work
Make anchor and intermediate plate 14 to be fixedly clamped anchor cable 11 in the outer end 221 of inner casing 22.
Step 200: the component of measuring of displacement transducer is butted on inner casing 22 outer end 221 of jack 20 mutually.
Step 300: pressurizeing jack 20 so that its inner casing 22 is protruding, inner casing 22 drives anchor cable 11 to extend, and passes through
Displacement transducer sends corresponding data, thus measures the elongation of anchor cable 11.
Further, in step 300, measured and gather the elongation of anchor cable 11 in real time by readout instrument 37.
More preferably, the distance making the inner casing 22 of jack 20 exceed jack 20 top by oil pump precharge is 2cm-
3cm, so that when practical operation, facilitating inner casing 22 to reset.
The measurement apparatus simple structure of this utility model anchor cable elongation, easy to operate, testing staff can be at safe distance
External pelivimetry, reading data, improve detection efficiency, be effectively guaranteed personal security, and improve certainty of measurement, be particularly suited for
During anchoring engineering pulling test, the wide range of anchor cable (bar) elongation is accurately measured.The measurement dress of this utility model anchor cable elongation
Putting can large-scale popularization and the quality detection work being applied to anchoring engineering.
Although describing this utility model with reference to several exemplary embodiment, it is to be understood that, term used is to say
Bright and exemplary and nonrestrictive term.Owing to this utility model can be embodied as without deviating from practicality in a variety of forms
Novel spirit or essence, it should therefore be appreciated that above-mentioned embodiment is not limited to any aforesaid details, and should be in right of enclosing
Explain widely in requiring the spirit and scope that limited, therefore fall into whole changes in claim or its equivalent scope with
Remodeling all should be appended claims and contained.
Claims (6)
1. the measurement apparatus of an anchor cable elongation, it is characterised in that including:
Jack, is placed on anchorage；Described jack includes outer shell and inner casing, and anchor cable is arranged in described inner casing, described inner casing
Outer end by moveable anchor and intermediate plate, anchor cable is fixedly clamped, can anchor cable described in stretch-draw when described inner casing is protruding；
Displacement transducer, its measurement component is butted on the outer end of described inner casing mutually, and institute's displacement sensors can be measured described interior
The displacement of cylinder, thus realize measuring the elongation of described anchor cable.
Measurement apparatus the most according to claim 1, it is characterised in that the measurement component of institute's displacement sensors includes stretching
The pillar that bar and is fixedly installed；
One end of described expansion link is butted on the outer end of described inner casing mutually；The interval, outer end of described pillar and described inner casing sets
Putting, and described protective pipe sleeve is located on described expansion link, described inner casing drives described expansion link to protect relative to described time protruding
Pipe is subjected to displacement；The chip that can gather described expansion link displacement it is provided with in described pillar.
Measurement apparatus the most according to claim 2, it is characterised in that between the outer end of described inner casing and described pillar
Being provided with spring, described spring housing is located on described expansion link.
Measurement apparatus the most according to claim 2, it is characterised in that described pillar is fixedly installed by a support, described
Support removably connects with the outer shell of described jack.
Measurement apparatus the most according to claim 4, it is characterised in that described support passes through magnetic-adsorption pedestal and described thousand
The outer shell on jin top removably connects.
Measurement apparatus the most according to claim 2, it is characterised in that institute's displacement sensors also includes: power supply and reading
Instrument；Described power supply provides electric power for described chip and described readout instrument；Described readout instrument can show the institute that described chip gathers
State the displacement of expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620655829.XU CN205691086U (en) | 2016-06-28 | 2016-06-28 | The measurement apparatus of anchor cable elongation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620655829.XU CN205691086U (en) | 2016-06-28 | 2016-06-28 | The measurement apparatus of anchor cable elongation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691086U true CN205691086U (en) | 2016-11-16 |
Family
ID=57425753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620655829.XU Expired - Fee Related CN205691086U (en) | 2016-06-28 | 2016-06-28 | The measurement apparatus of anchor cable elongation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543517A (en) * | 2016-06-28 | 2018-01-05 | 中铁西北科学研究院有限公司深圳南方分院 | The measurement apparatus and its measuring method of anchor cable elongation |
| CN109059830A (en) * | 2018-08-28 | 2018-12-21 | 徐工集团工程机械有限公司 | A kind of bolt elongate amount detecting device |
-
2016
- 2016-06-28 CN CN201620655829.XU patent/CN205691086U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543517A (en) * | 2016-06-28 | 2018-01-05 | 中铁西北科学研究院有限公司深圳南方分院 | The measurement apparatus and its measuring method of anchor cable elongation |
| CN109059830A (en) * | 2018-08-28 | 2018-12-21 | 徐工集团工程机械有限公司 | A kind of bolt elongate amount detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20200628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |