CN109682505A - A kind of cable force measurement device - Google Patents
A kind of cable force measurement device Download PDFInfo
- Publication number
- CN109682505A CN109682505A CN201910101413.1A CN201910101413A CN109682505A CN 109682505 A CN109682505 A CN 109682505A CN 201910101413 A CN201910101413 A CN 201910101413A CN 109682505 A CN109682505 A CN 109682505A
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- cable
- coil
- measurement device
- force measurement
- measuring
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- 238000005259 measurement Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 25
- 239000006071 cream Substances 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention belongs to civil structure detections and monitoring field, it is related to a kind of cable force measurement device, a kind of cable force measurement device, including magnetic conduction bracket, the magnetic conduction bracket includes two coil cores being set side by side and uniformly sets up four bobbins in two coil cores separately, and four bobbins are in be fixed in the coil core side by side two-by-two；Magnet exciting coil is designed on each bobbin；The installation folder for fixed cable is equipped between two bobbins in single coil core, cable is fixed by two installation folders；It further include measuring coil, measuring coil is arranged on the cable between two installation folders；Present invention may apply to the installation for having built the bridge finished progress rope force detection system, the measurement that scene can also be carried out to existing sensor is demarcated, convenient for the installing and dismounting at scene, existing highway bridge line structure is not destroyed, suitable for a variety of bridge cables, there is certain directive function to the innovation of the prior art.
Description
Technical field
The invention belongs to civil structure detections and monitoring field, are related to a kind of cable force measurement device.
Background technique
Drag-line is the core primary structure member of the ropes class bridge such as cable-stayed bridge, suspension bridge, and force-bearing situation is to bridge overall structure
Safety plays the role of of crucial importance.To Cable power carry out real-time measurement be judge bridge structure whether An Quan main means.
Many measurement methods such as type vibration wire, fibre strain formula, manometer type, magnetic flux formula have been developed at present, realize that Cable power is long
Phase monitoring measurement.However, the various kinds of sensors based on the above method, it usually needs it is installed in bridge construction, once
It builds up, it is difficult to be filled in subsequent benefit.In addition, sensor is after longtime running, and whether measurement performance for the bridge of long service
Accurately, it is also difficult to carry out disassembly calibration again.Therefore, it is badly in need of one kind and is applicable to later period field erected high-precision sensor, it is right
Built bridge carries out cable force monitoring system installation, and carries out in-site measurement calibration to existing sensor.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of cable force measurement devices, the later period is applicable to provide one kind
Field erected high-precision sensor carries out cable force monitoring system installation to built bridge, and carries out scene to existing sensor
Measurement calibration.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of cable force measurement device, including magnetic conduction bracket, the magnetic conduction bracket include two coil cores being set side by side with
And uniformly setting up four bobbins in two coil cores separately, four bobbins are in be fixed at side by side two-by-two
In the coil core；Magnet exciting coil is designed on each bobbin；It is set between two bobbins in single coil core
There is the installation folder for fixed cable, cable is fixed by two installation folders；It further include measuring coil, measuring coil is arranged at two
On cable between installation folder.
Optionally, further include connection frame for fixed coil core.
Optionally, there are two the connection frame is set, set up separately at coil core both ends, the unilateral side of each connection frame with described in two
One end of coil core is fixedly installed.
Optionally, the connection frame, coil core, installation folder form magnetic conduction bracket.
Optionally, the installation folder is made of two c-type body splicings, and two c-type bodies are respectively fixedly disposed at a coil
Frame towards on the side for another bobbin being arranged in the coil core；It is formed between two c-type bodies for clamping cable
The cavity of penetration type.
Optionally, the axis direction of cable be first direction, the first plane be one perpendicular to first direction plane；It is described
Cavity is greater than cable projecting section's diameter in first plane in projecting section's diameter in first plane.
Optionally, by enameled wire, the coiling on cable forms the measuring coil.
Optionally, the circle number of the enameled wire is N, 2≤N≤500.
Optionally, the magnetic conduction cream rouge for reducing magnetic resistance is also coated in the measuring coil and the cable.
Optionally, further include current source for excitation coil, and the measuring instrumentss for measuring changes of magnetic field,
The current source is connected with the magnet exciting coil with the measuring instrumentss.
Optionally, the current source is provided by the measuring instrumentss.
The beneficial effects of the present invention are:
It, can also be to present invention may apply to the installation for having built the bridge that finishes and carrying out rope force detection system
The measurement calibration that some sensors carry out scene does not destroy existing highway bridge line structure, is suitable for convenient for the installing and dismounting at scene
A variety of bridge cables have certain directive function to the innovation of the prior art.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is to use the magnetic direction schematic diagram in process of the present invention.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that diagram provided in following embodiment is only to show
Meaning mode illustrates basic conception of the invention, and in the absence of conflict, the feature in following embodiment and embodiment can phase
Mutually combination.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of invention；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if there is the orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "front", "rear"
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore is described in attached drawing
The term of positional relationship only for illustration, is not considered as limiting the invention, for the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1-Fig. 2 is please referred to, the element numbers in attached drawing respectively indicate: magnetic conduction bracket 1, connection frame 1a, coil core 1b, peace
Clamping 1c, bobbin 2, magnet exciting coil 3, measuring coil 4, cable 5.
The present invention relates to a kind of cable force measurement device, including magnetic conduction bracket 1, the magnetic conduction bracket 1 includes two and sets side by side
The coil core 1b that sets and uniformly set up four bobbins 2 on two coil core 1b separately, four bobbins 2 are in two
Two are fixed at side by side on the coil core 1b；Magnet exciting coil 3 is designed on each bobbin 2；Single coil
The installation folder 1c for fixed cable 5 is equipped between two bobbins 2 on core 1b, cable 5 is fixed by two installation folder 1c；Also
Including measuring coil 4, measuring coil 4 is arranged on the cable 5 between two installation folder 1c.
Optionally, further include connection frame 1a for fixed coil core 1b；There are two the connection frame 1a is set, set up separately online
The both ends core 1b are enclosed, the unilateral side of each connection frame 1a is fixedly installed with one end of two coil core 1b；The connection frame 1a, line
It encloses core 1b, installation folder 1c and forms magnetic conduction bracket 1；The installation folder 1c is made of two c-type body splicings, and two c-type bodies are solid respectively
Calmly be arranged in a bobbin 2 towards on the side for another bobbin 2 being arranged on coil core 1b；Two c-type bodies it
Between form the cavity for clamping the penetration type of cable 5；The axis direction of cable 5 is first direction, and the first plane is one vertical
In the plane of first direction；It is flat described first that projecting section diameter of the cavity in first plane is greater than cable 5
Mian Nei projecting section diameter；By enameled wire, coiling forms the measuring coil 4 on the cable 5；The circle number of the enameled wire be N, 2
≤N≤100；The magnetic conduction cream rouge for reducing magnetic resistance is also coated in the measuring coil 4 and the cable 5；It further include for swashing
The current source of magnet exciting coil 3, and the measuring instrumentss for measuring changes of magnetic field are encouraged, the current source and the measuring instrumentss are equal
It is connected with the magnet exciting coil 3；The current source is provided by the measuring instrumentss.
Magnetic conduction bracket 1 in the present invention is made of the symmetrically two parts that can be engaged cable 5, all by with high permeability
Electrical pure iron material be made, further, point there are three part, installation folder 1c is made of the c-type body of two semicircle pillars,
Internal diameter need to be slightly larger than cable 5, but not answering excessive causes air-gap wide；Coil core 1b is the iron core of magnet exciting coil 3,
Cross-sectional area is greater than the cross-sectional area of cable 5；Connection frame 1a, the connector of coil core 1b can be designed as one with coil core 1b
Body formula structure, but be the installation convenient for magnet exciting coil 3, cross-sectional area should be greater than the cross-sectional area of cable 5.
Bobbin 2 in the present invention is made of insulating material, and is used for 3 coiling of magnet exciting coil, convenient to be socketed with coil core 1b
Installation；Magnet exciting coil 3 in the present invention is formed by the enameled wire coiling being wrapped on bobbin 2, should have enough circle numbers,
Sufficiently strong magnetic field is generated to magnetize cable 5；Measuring coil 4 in the present invention is by enameled wire live coiling on the cable 5
It forms, circle number usually can have the output of preferable signal to tens of circles at a few.
Magnet exciting coil 3 and measuring coil 4 in use, need to connect, the measuring instrument of use by the present invention with externally measured instrument
Table can be consistent with conventional bushing-type instrument.When magnet exciting coil 3 connects the circuit of measuring instrumentss, it need to guarantee that each magnet exciting coil 3 produces
Raw magnetic direction is equidirectional in cable 5.In-site measurement install when, between the c-type body and cable 5 of installation folder 1c, should have compared with
Closely to contact, it may be necessary to smear magnetic conduction cream rouge and reduce magnetic resistance.
When measurement, electric current is provided by measuring instrumentss, when by magnet exciting coil 3, generates magnetic field shown in Fig. 2.The magnetic field is
Changing magnetic field is controlled by measuring instrumentss.The wherein magnetic field in cable 5, can by by the electric current in measuring coil 4 into
Row detection obtains.When by different pulling force, the magnetism characteristic of internal material can change cable 5.By external magnetic
When the magnetization of field, the magnetization characteristic of performance is different, obtains its magnetization degree characteristic by measuring sensor circuit, cable can be obtained
The stress of rope 5.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (10)
1. a kind of cable force measurement device, it is characterised in that: including magnetic conduction bracket, the magnetic conduction bracket includes two and is set side by side
Coil core and uniformly set up four bobbins in two coil cores separately, four bobbins are in solid side by side two-by-two
It is fixed to be arranged in the coil core；Magnet exciting coil is designed on each bobbin；Two coils in single coil core
The installation folder for fixed cable is equipped between frame, cable is fixed by two installation folders；It further include measuring coil, measuring coil is set
It sets on the cable between two installation folders.
2. cable force measurement device as described in claim 1, it is characterised in that: further include the connection for fixed coil core
Frame.
3. cable force measurement device as described in claim 2, it is characterised in that: there are two the connection frame is set, set up separately online
Core both ends are enclosed, the unilateral side of each connection frame is fixedly installed with one end of two coil cores.
4. cable force measurement device as described in claim 1, it is characterised in that: the installation folder is by two c-type body splicing groups
At two c-type bodies are respectively fixedly disposed at a bobbin towards the side with another bobbin being arranged in the coil core
On；The cavity for clamping the penetration type of cable is formed between two c-type bodies.
5. cable force measurement device as described in claim 4, it is characterised in that: the axis direction of cable is first direction, the
One plane be one perpendicular to first direction plane；Projecting section diameter of the cavity in first plane is greater than cable
Projecting section's diameter in first plane.
6. cable force measurement device as described in claim 1, it is characterised in that: the measuring coil is by enameled wire on cable
Coiling forms.
7. cable force measurement device as described in claim 6, it is characterised in that: the circle number of the enameled wire be N, 2≤N≤
500。
8. cable force measurement device as described in claim 1, it is characterised in that: also applied in the measuring coil and the cable
There is the magnetic conduction cream rouge for reducing magnetic resistance.
9. cable force measurement device as described in claim 1, it is characterised in that: further include the electric current for excitation coil
Source, and the measuring instrumentss for measuring changes of magnetic field, the current source and the measuring instrumentss with the magnet exciting coil phase
Even.
10. cable force measurement device as described in claim 9, it is characterised in that: the current source is mentioned by the measuring instrumentss
For.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101413.1A CN109682505B (en) | 2019-01-31 | 2019-01-31 | Cable force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101413.1A CN109682505B (en) | 2019-01-31 | 2019-01-31 | Cable force measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109682505A true CN109682505A (en) | 2019-04-26 |
| CN109682505B CN109682505B (en) | 2024-05-17 |
Family
ID=66195319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910101413.1A Active CN109682505B (en) | 2019-01-31 | 2019-01-31 | Cable force measuring device |
Country Status (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109682505B (en) | 2024-05-17 |
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