CN209310956U - A kind of cable force measurement device - Google Patents
A kind of cable force measurement device Download PDFInfo
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- CN209310956U CN209310956U CN201920176240.5U CN201920176240U CN209310956U CN 209310956 U CN209310956 U CN 209310956U CN 201920176240 U CN201920176240 U CN 201920176240U CN 209310956 U CN209310956 U CN 209310956U
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- cable
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- measurement device
- force measurement
- measuring
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Abstract
The utility model belongs to civil structure detection 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;The utility model can be adapted for the installation for having built the bridge progress rope force detection system finished, 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 utility model belongs to civil structure detection and monitoring field, is 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.
Utility model content
In view of this, being applicable to the purpose of this utility model is to provide a kind of cable force measurement device with providing one kind
Later period field erected high-precision sensor carries out cable force monitoring system installation to built bridge, and carries out to existing sensor
In-site measurement calibration.
In order to achieve the above objectives, the utility model provides the following technical solutions:
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 utility model has the beneficial effects that:
The utility model can be adapted for the installation for having built the bridge that finishes and carrying out rope force detection system, can also be with
The measurement calibration for carrying out scene to existing sensor does not destroy existing highway bridge line structure convenient for the installing and dismounting at scene, fits
For a variety of bridge cables, there is certain directive function to the innovation of the prior art.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is achieved and obtained.
Detailed description of the invention
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be preferably described in detail, in which:
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is to use the magnetic direction schematic diagram during the utility model.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and
Feature in embodiment can be combined with each other.
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 utility model;In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, amplification or contracting
It is small, do 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 in attached drawing
Omission will be understood by.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment;It is practical at this
In novel description, it is to be understood that if having the instructions such as term " on ", "lower", "left", "right", "front", "rear" orientation or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
The terms describing the positional relationship in the drawings are only for illustration for this, should not be understood as limiting the present invention, for
For those skilled in the art, 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 utility model relates to a kind of cable force measurement device, including magnetic conduction bracket 1, the magnetic conduction bracket 1 include two simultaneously
It arranges the coil core 1b of setting and uniformly sets up four bobbins 2 on two coil core 1b, four bobbins 2 separately
In being fixed at side by side on the coil core 1b two-by-two;Magnet exciting coil 3 is designed on each bobbin 2;Single
The installation folder 1c for fixed cable 5 is equipped between two bobbins 2 on coil core 1b, cable 5 is consolidated by two installation folder 1c
It is fixed;It further include 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 utility model is made of the symmetrically two parts that can be engaged cable 5, all by leading with height
The electrical pure iron material of magnetic rate is made, further, point there are three part, installation folder 1c by two semicircle pillars c-type body group
Cable 5 need to be slightly larger than at, internal diameter, but not answering excessive causes air-gap wide;Coil core 1b is the iron of magnet exciting coil 3
Core, cross-sectional area are greater than the cross-sectional area of cable 5;Connection frame 1a, the connector of coil core 1b can be designed with coil core 1b
It is an integral structure, but is 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 utility model is made of insulating material, and is used for 3 coiling of magnet exciting coil, convenient and coil core 1b
Socket installation;Magnet exciting coil 3 in the utility model is formed by the enameled wire coiling being wrapped on bobbin 2, should be had enough
More circle numbers generates sufficiently strong magnetic field and magnetizes to cable 5;Measuring coil 4 in the utility model is by enameled wire in cable
Live coiling forms on rope 5, and circle number usually can have preferable signal output to tens of circles at a few.
When the utility model is used, magnet exciting coil 3 and measuring coil 4 need to be connect with externally measured instrument, the survey of use
Measuring instrument can be consistent with conventional bushing-type instrument.When magnet exciting coil 3 connects the circuit of measuring instrumentss, it need to guarantee each magnet exciting coil
The magnetic direction of 3 generations is equidirectional in cable 5.When in-site measurement is installed, between the c-type body and cable 5 of installation folder 1c, Ying You
More closely 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 above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
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)
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CN201920176240.5U CN209310956U (en) | 2019-01-31 | 2019-01-31 | A kind of cable force measurement device |
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CN201920176240.5U CN209310956U (en) | 2019-01-31 | 2019-01-31 | A kind of cable force measurement device |
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CN209310956U true CN209310956U (en) | 2019-08-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109682505A (en) * | 2019-01-31 | 2019-04-26 | 重庆大学 | A kind of cable force measurement device |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109682505A (en) * | 2019-01-31 | 2019-04-26 | 重庆大学 | A kind of cable force measurement device |
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