CN105352401B - A kind of duct length measuring instrument and measuring method - Google Patents
A kind of duct length measuring instrument and measuring method Download PDFInfo
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- CN105352401B CN105352401B CN201510853344.1A CN201510853344A CN105352401B CN 105352401 B CN105352401 B CN 105352401B CN 201510853344 A CN201510853344 A CN 201510853344A CN 105352401 B CN105352401 B CN 105352401B
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- under test
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Abstract
The invention discloses a kind of duct length measuring instrument and method, include measurement tape measure and the drawing head being connected with measurement tape measure one end, also include the measurement adapter for being sleeved on pipe under test head end, measurement adapter is in be provided with a through hole in funnel-form and side wall, one end of measurement tape measure connection drawing head is extend into pipe under test by through hole, the head end connection source of the gas or water source of pipe under test, the tail end of pipe under test are provided with the fixture for fixed traction head.Method or other pipe external pelivimetry methods, its poor operability are measured in duct length measuring instrument provided by the invention, traditional craft, labor intensity is high, it is affected by environment big, cause accuracy of measurement low, the shortcomings that operating efficiency difference, measurement result is directly read when measuring duct length, accurate with measurement, error is small, and precision is high, it is simple to operate, the advantages that efficiency high.
Description
Technical field
The present invention, which relates to, belongs to field of measuring technique, more particularly to engineering surveying instrument, specially a kind of duct length measurement
Instrument and measuring method.
Background technology
Existing many pipelines or it is embedded in wall, or is embedded in underground, or in the pipe network system in complexity, it is grown
Degree measurement is a problem in dimensional measurement, and method or other pipe external pelivimetry methods, its operability are measured using traditional craft
Difference, labor intensity is high, affected by environment big, causes accuracy of measurement low, operating efficiency is poor.
The content of the invention
To solve problems of the prior art, it is an object of the invention to provide a kind of measurement of concealed wiring duct length
Instrument and method, present invention saving space, cost are cheap, safe to use, easy to operate, service life length.Carried for engineer applied
For fast and accurately duct length and internal diameter data.
The technical solution adopted in the present invention：
A kind of duct length measuring instrument, including measurement tape measure 1 and drawing head 2.Measure one end and the drawing head 2 of tape measure 1
It is connected.
In addition, it is additionally provided with 1 measurement adapter 4.
The measurement adapter 4 is the narrow body in the wide centre in both ends.The open top of adapter 4 is measured connecting source of the gas
Or water source, as air inlet or water inlet.The bottom opening of adapter 4 is measured to connect pipe under test, as gas outlet or
Delivery port.
A through hole 5 is provided with the side wall of measurement adapter 4.The end for the measurement tape measure 1 being connected with drawing head 2 passes through
Through hole 5 after, extend measurement adapter 4 in.
Using a kind of measuring method of duct length measuring instrument of the present invention, carry out as follows：
Step 1：By mounting disc and its support frame, one end that adapter 4 is arranged on pipe under test will be measured, will connection by
The measurement tape measure 1 of drawing head 2 is extend into pipe under test by measuring the through hole on adapter 4.
Step 2：The open top for measuring adapter 4 is connected with source of the gas or water source.Source of the gas or water source are opened, by means of power
Taken advantage of a situation in the end for the measurement tape measure 1 that air pressure or hydraulic pressure to be connected with drawing head 2 in pipe under test advance.
Step 3：Test tube is treated when the end for the measurement tape measure 1 being connected with drawing head 2 advances to by means of power in air pressure or hydraulic pressure
After the other end in road, drawing head 2 is fixed on to the tail end of pipe under test with fixture.
Step 4：Measurement tape measure 2 is tensed, reads the scale on measurement tape measure 2, that is, obtains the length of pipe under test.
Beneficial effects of the present invention：
The present invention measures method or other pipe external pelivimetry methods for traditional craft, and its poor operability, labor intensity is high, by
Environment influences big, causes accuracy of measurement low, the shortcomings that operating efficiency difference.This method directly reads measurement when measuring duct length
As a result, have that measurement is accurate, and error is small, precision is high, simple to operate, practical, the advantages that efficiency high.
Brief description of the drawings
Fig. 1 is the structural representation of drawing head 2 and measurement tape measure 1 in the present invention.
Fig. 2 is that adapter 4, drawing head 2 and the structure of measurement tape measure 1 and the schematic diagram of use state are measured in the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.
Referring to Fig. 1, a kind of duct length measuring instrument, including measurement tape measure 1 and drawing head 2.Measure tape measure 1 one end and
Drawing head 2 is connected.
Referring to Fig. 2,1 measurement adapter 4 is additionally provided with.
The measurement adapter 4 is the narrow body in the wide centre in both ends.The open top of adapter 4 is measured connecting source of the gas
Or water source, as air inlet or water inlet.The bottom opening of adapter 4 is measured to connect pipe under test, as gas outlet or
Delivery port.
A through hole 5 is provided with the side wall of measurement adapter 4.The end for the measurement tape measure 1 being connected with drawing head 2 passes through
Through hole 5 after, extend measurement adapter 4 in.
Furtherly, described drawing head 2 is shaped as elliptic cone shape.
Furtherly, fixture is provided with drawing head 2.When being connected with the measurement tape measure 1 of drawing head 2 in air-flow or the work of current
Under, when moving to the other end of pipe under test by one end of pipe under test, the measurement for being connected with drawing head 2 is rolled up by the fixture
Chi 1 is fixed on the other end opening of pipe under test.
Furtherly, it is provided with supercharging device in the top open part of measurement adapter 4.By supercharging device by liquid or gas
Input measurement adapter 4 after body increase pressure, so as to drive the measurement tape measure 1 for being connected with drawing head 2 along the side of air-flow or current
To motion.
Furtherly, measure tape measure 1 length 2 between 50m.The material for measuring tape measure 1 is plastics, rubber.
The material density of drawing head 2 is less than water density.
Furtherly, the pressure of supercharging device is not more than 0.6Mpa, avoids making piping failure.
Referring to Fig. 2, using a kind of measuring method of duct length measuring instrument of the present invention, carry out as follows：
Step 1：By mounting disc and its support frame, one end that adapter 4 is arranged on pipe under test will be measured, will connection by
The measurement tape measure 1 of drawing head 2 is extend into pipe under test by measuring the through hole on adapter 4.
Step 2：The open top for measuring adapter 4 is connected with source of the gas or water source.Source of the gas or water source are opened, by means of power
Taken advantage of a situation in the end for the measurement tape measure 1 that air pressure or hydraulic pressure to be connected with drawing head 2 in pipe under test advance.
Step 3：Test tube is treated when the end for the measurement tape measure 1 being connected with drawing head 2 advances to by means of power in air pressure or hydraulic pressure
After the other end in road, drawing head 2 is fixed on to the tail end of pipe under test with fixture.
Step 4：Measurement tape measure 2 is tensed, reads the scale on measurement tape measure 2, that is, obtains the length of pipe under test.
Preferable scheme is that measurement adapter 4 is led in a through hole 5, the measurement connection of tape measure 1 is provided with funnel-form and side wall
One end of leader 2 is extend into pipe under test 3 by through hole 5, the head end connection source of the gas or water source of pipe under test 3, treats test tube
The tail end in road 3 is provided with the fixture for fixed traction first 2.
Preferable scheme is that drawing head 2 is shaped as the cylindroid bodily form, and material is partially soft.
Claims (1)
- A kind of 1. duct length measuring instrument, it is characterised in that：Including measuring tape measure（1）And drawing head（2）；Measure tape measure（1） One end and drawing head（2）It is connected；Measure tape measure（1）Length 2 between 20m；Measure tape measure（1）Material be plastics；Described drawing head（2）It is shaped as elliptic cone shape, drawing head（2）Material density be less than water density material；In drawing head（2）It is provided with fixture；When being connected with drawing head（2）Measurement tape measure（1）In the presence of air-flow or current, by When one end of pipe under test moves to the other end of pipe under test, drawing head will be connected with by the fixture（2）Measurement tape measure（1） It is fixed on the other end opening of pipe under test；It is additionally provided with 1 measurement adapter（4）；The measurement adapter（4）For the narrow body in the wide centre in both ends；Measure adapter（4）Open top connecting source of the gas Or water source, as air inlet or water inlet；Measure adapter（4）Bottom opening connecting pipe under test, as gas outlet Or delivery port；In measurement adapter（4）Side wall on be provided with a through hole（5）；With drawing head（2）Connected measurement tape measure（1）End Through through hole（5）Afterwards, measurement adapter is extended（4）In；In measurement adapter（4）Top open part be provided with supercharging device, the pressure of supercharging device is not more than 0.6Mpa；Pass through increasing Pressure device by liquid or gas increase pressure after input measurement adapter（4）, drawing head is connected with so as to drive（2）Measurement tape measure （1）Moved along the direction of air-flow or current；In use, operated as follows：Step 1：Adapter will be measured（4）Installed in one end of pipe under test, drawing head will be connected with（2）Measurement tape measure（1） By measuring adapter（4）On through hole extend into pipe under test；Step 2：Source of the gas or water source are opened, is caused and drawing head in air pressure or hydraulic pressure by means of power（2）Connected measurement tape measure（1） End taken advantage of a situation in pipe under test advance；Step 3：When with drawing head（2）Connected measurement tape measure（1）End advanced to by means of power in air pressure or hydraulic pressure and treat test tube After the other end in road, with fixture by drawing head（2）It is fixed on the tail end of pipe under test；Step 4：Tense measurement tape measure（2）, read measurement tape measure（2）On scale, that is, obtain the length of pipe under test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510853344.1A CN105352401B (en) | 2015-11-30 | 2015-11-30 | A kind of duct length measuring instrument and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510853344.1A CN105352401B (en) | 2015-11-30 | 2015-11-30 | A kind of duct length measuring instrument and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105352401A CN105352401A (en) | 2016-02-24 |
| CN105352401B true CN105352401B (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510853344.1A Active CN105352401B (en) | 2015-11-30 | 2015-11-30 | A kind of duct length measuring instrument and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105352401B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076612A (en) * | 2022-06-24 | 2022-09-20 | 聂宝栋 | Length measuring device and method for submarine pipeline, conveying device and equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012199A (en) * | 2010-11-30 | 2011-04-13 | 周泉清 | Method and device for accurately measuring and metering variable of liquid level of hydraulic container or oil cylinder |
| CN102419161A (en) * | 2011-08-05 | 2012-04-18 | 东南大学 | Pipeline length measuring device for pipeline full of incompressible fluid |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06117801A (en) * | 1992-10-05 | 1994-04-28 | Sumitomo Electric Ind Ltd | Method of measuring length of pipeline |
| JPH07243801A (en) * | 1994-03-08 | 1995-09-19 | Osaka Gas Co Ltd | Pipe-length measuring method and wire-passing utensil for pipe-length measurement |
| JP3600400B2 (en) * | 1997-04-24 | 2004-12-15 | 三菱重工業株式会社 | Pipe bending shape measuring device |
| JP2007309896A (en) * | 2006-05-22 | 2007-11-29 | Nishimatsu Constr Co Ltd | Instrument for measuring fixing length of reinforcing bar |
-
2015
- 2015-11-30 CN CN201510853344.1A patent/CN105352401B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012199A (en) * | 2010-11-30 | 2011-04-13 | 周泉清 | Method and device for accurately measuring and metering variable of liquid level of hydraulic container or oil cylinder |
| CN102419161A (en) * | 2011-08-05 | 2012-04-18 | 东南大学 | Pipeline length measuring device for pipeline full of incompressible fluid |
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| Publication number | Publication date |
|---|---|
| CN105352401A (en) | 2016-02-24 |
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Address after: Lake Road in Shushan District of Hefei City, Anhui Province, No. 567 230000 Patentee after: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN Address before: 230031 No. 28, Huan Cheng Road, Luyang District, Anhui, Hefei Patentee before: ANHUI INSTITUTE OF BUILDING RESEARCH & DESIGN |