CN110567412A - Device and method for measuring edge distance of polygonal crimped cable - Google Patents

Device and method for measuring edge distance of polygonal crimped cable Download PDF

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Publication number
CN110567412A
CN110567412A CN201911020067.0A CN201911020067A CN110567412A CN 110567412 A CN110567412 A CN 110567412A CN 201911020067 A CN201911020067 A CN 201911020067A CN 110567412 A CN110567412 A CN 110567412A
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CN
China
Prior art keywords
measuring
cable
polygonal
distance
displacement
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Granted
Application number
CN201911020067.0A
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Chinese (zh)
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CN110567412B (en
Inventor
叶中飞
胡涛
伍川
卢明
吕中宾
杨晓辉
张博
庞锴
马伦
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Harbin Institute of Technology
State Grid Corp of China SGCC
State Grid Henan Electric Power Co Ltd
Electric Power Research Institute of State Grid Henan Electric Power Co Ltd
Original Assignee
Harbin Institute of Technology
State Grid Corp of China SGCC
State Grid Henan Electric Power Co Ltd
Electric Power Research Institute of State Grid Henan Electric Power Co Ltd
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Priority to CN201911020067.0A priority Critical patent/CN110567412B/en
Publication of CN110567412A publication Critical patent/CN110567412A/en
Application granted granted Critical
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/06Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
    • G01B21/065Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving for stretchable materials

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The utility model relates to a polygon crimping cable is to side distance measuring device, two card arms are distributing and are being the measuring module that regular polygon arranged, and the card arm folds the back, and the measuring module of symmetry distributes and supports each limit of leaning on the cable that awaits measuring, measures all relative both sides of the cable that awaits measuring simultaneously through the measuring module of symmetry, and it is high to have detection efficiency, and the measuring result stabilizes the advantage that the credibility is high.

Description

device and method for measuring edge distance of polygonal crimped cable
Technical Field
The application belongs to the technical field of measuring equipment, and particularly relates to a polygonal crimping cable opposite side distance measuring device and measuring method.
background
To join cables to form a unitary body, one common method of joining is to crimp the cables together. The cross section of the crimp cable is generally in a regular hexagon shape, and one of the indexes for detecting whether the crimp is qualified is that three pairs of side distances of the regular hexagon in the cross section meet corresponding technical parameter standards. The traditional method for detecting the edge distance of the crimped cable is that an operator directly measures the edge distance by using a corresponding traditional measuring tool, and under the condition that the operator works for a long time, unnecessary measuring errors or even measuring errors can be brought to measurement due to eye fatigue. Or a large-scale equipment instrument is adopted for detection, although the method can meet the requirement on precision, the operation is complex in most of the time, the detection efficiency is low, and therefore the detection equipment which does not need excessive participation of operators in the test process and is simple to operate is very necessary.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the defects in the prior art, the device and the method for measuring the edge distance of the polygonal crimping cable are high in detection efficiency.
the technical scheme adopted by the invention for solving the technical problems is as follows:
A polygonal crimp cable-to-pair distance measuring device comprising:
A handle;
Two latch arms, one or both of which are rotatably disposed on the handle;
The even number of measuring modules are respectively arranged on the two clamping arms;
the clamping arms can be far away from each other and can be folded, and when the two clamping arms are folded, the clamping arms form regular polygon arrangement;
The measurement module includes: the support, set up on the support can be along axial motion be used for supporting the gauge head that lives the cable surface that awaits measuring for the displacement measurement device of response gauge head displacement.
Preferably, in the device for measuring the distance between the polygonal crimped cable and the pair of side wires according to the present invention, the measuring head is connected to the bracket through a return spring so as to be returned.
preferably, in the polygonal crimp cable-to-space measuring device according to the present invention, the two clamp arms are connected by an elastic member, and the elastic member applies a force to the clamp arms to close the two clamp arms.
Preferably, the polygonal crimp cable-to-space measuring device of the present invention further comprises a handle connected to the latch arms, the handle being held by a user to rotate one of the latch arms away from the other latch arm.
preferably, the number of the measuring modules of the polygonal crimped cable-to-space measuring device is 6.
preferably, in the polygonal crimped cable-to-space measuring device according to the present invention, the measuring module is a displacement sensor.
Preferably, the device for measuring the distance between the pair of polygonal crimped cables according to the present invention further comprises an electronic part including:
the signal receiving module is used for receiving the displacement value sent by the displacement sensor;
the calculation module is used for obtaining a measurement result according to the displacement value;
The storage module is used for storing the displacement value and/or the measurement result;
the display module is used for displaying the displacement value and/or displaying whether the measurement result is qualified;
and the communication module is used for sending the measurement result to the upper computer and receiving the feedback information of the upper computer.
The invention also provides a method for measuring the opposite distance of the polygonal crimped cable, which uses the device for measuring the opposite distance of the polygonal crimped cable and comprises the following steps:
a calibration step: placing the standard part between two clamping arms, folding the clamping arms to enable all measuring heads to contact the surface of the standard part, recording displacement distances of all measuring heads, obtaining the distances between all opposite measuring heads, and then taking away the standard part;
A measurement step: placing the cable to be tested between two clamping arms, folding the clamping arms to enable all measuring heads to contact the surface of the cable to be tested, recording displacement distances of all measuring heads, and calculating the opposite side distance of each group of opposite sides of the cable to be tested according to the distance between the opposite measuring heads;
A judging step: and judging whether each pair of edge distances meets the technical parameter standard or not.
Preferably, in the method for measuring the distance between the polygonal crimped cable and the measuring head, the distance between all the opposite measuring heads is d0,d0=D-Δd10-Δd20(ii) a Wherein D is the distance between two opposite sides of the standard, Δ D10And Δ d20The displacement amounts of two opposite measuring heads when the standard part is measured are respectively.
Preferably, in the method for measuring the distance between the polygonal crimped cable and the cable to be measured, the distance d between the pair of the cables to be measuredxComprises the following steps: dx=d0+Δd1+Δd2,Δd1and Δ d2the displacement of two opposite measuring heads is measured when the cable to be measured is measured.
The invention has the beneficial effects that:
according to the polygonal crimped cable opposite side distance measuring device, the two clamp arms are distributed with the measuring modules which are arranged in a regular polygon shape, after the clamp arms are folded, the symmetrical measuring modules are distributed and abutted against each side edge of a cable to be measured, and the symmetrical measuring modules are used for measuring the opposite side distances of all opposite sides of the cable to be measured simultaneously, so that the polygonal crimped cable opposite side distance measuring device has the advantages of high detection efficiency, stable measuring result and high reliability.
Drawings
the technical solution of the present application is further explained below with reference to the drawings and the embodiments.
Fig. 1 is a schematic structural view of a polygonal crimped cable with an opened distance measuring device according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a polygonal crimped cable after being folded with respect to the edge distance measuring device according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a measurement module according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a measurement method of an embodiment of the present application;
Fig. 5 is a flowchart of a measurement method according to an embodiment of the present application.
The reference numbers in the figures are:
1, a handle;
2, clamping an arm;
3, a measuring module;
4, a handle;
5, an elastic piece;
9, a cable to be tested;
31 a support;
32 measuring heads;
33 a displacement measuring device;
34 return spring.
Detailed Description
it should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
example 1
The present embodiment provides a device for measuring a pair of pitches of a polygonal crimped cable, as shown in fig. 1, including:
a handle 1;
two latch arms 2 (a first latch arm and a second latch arm, wherein the first latch arm is rotatable), one or both of which are rotatably disposed on the handle 1;
The even number of measuring modules 3 are respectively arranged on the two clamping arms 2;
the clamping arms 2 can be far away from each other and can be folded, and when the two clamping arms 2 are folded, the clamping arms 2 form regular polygon arrangement;
the measurement module 3 includes: the measuring device comprises a bracket 31, a measuring head 32 which is arranged on the bracket 31 and can move along the axial direction and is used for abutting against the surface of a cable to be measured (the measuring head 32 is arranged on the bracket 31 through a slide rail and a slide block), and a displacement measuring device 33 (preferably a capacitive grating sensor) for sensing the moving distance of the measuring head 32.
The polygon crimping cable of above-mentioned embodiment is to margin distance measuring device, and two card arms 2 are distributing and are being the measuring module 3 that regular polygon arranged, and card arm 2 folds the back, and the measuring module 3 of symmetry distributes and supports each limit of leaning on the cable that awaits measuring, measures all relative both sides of the cable that awaits measuring simultaneously through the measuring module 3 of symmetry, has detection efficiency height, and the stable credibility of measuring result is high advantage.
The gauge head 32 is connected to the holder 31 by a return spring 34 to return the gauge head 32.
The number of the clamp arms 2 may be 4, 6, 8, etc., and generally, the crimp cables are all 6-sided, and therefore, the number of the clamp arms 2 is 6.
each clamping arm 2 is in a semicircular ring shape, the measuring heads 32 are uniformly distributed on the clamping arms 2, when the two clamping arms 2 are folded, the clamping arms 2 are arranged in a regular polygon shape, for example, 4 measuring heads 32 are arranged in a square shape, and 6 measuring heads are arranged in a hexagon shape.
Preferably, the two clamping arms 2 are connected through an elastic member 5, and the elastic member 5 applies a force to the clamping arms 2 to close the two clamping arms 2, so as to ensure that the measuring head 32 can completely cling to the cable 9 to be measured when the clamping arms 2 are closed.
preferably, the polygonal crimp cable-to-space measuring device further comprises a handle 4 connected to the clamp arms 2, so that a user can conveniently hold the handle 4 to rotate one of the clamp arms 2 away from the other clamp arm 2.
the method abandons the measurement mode that the original vernier caliper can only measure one pair of side distances at a time, adopts a 'shear type' mechanical structure, and simultaneously carries out multiple pairs of side distances to measure. On one hand, the method utilizes a 'shear type' mechanical structure, so that the operation is convenient and efficient; on the other hand, a plurality of pairs of edge distances are measured simultaneously, so that the probability of missed detection and false detection of the edge distances is greatly reduced, and the real-time reliability of the measured data is ensured.
The specific measurement method of this patent will be described below by taking a set of pairs of distance measurements as an example:
As shown in fig. 4, when measurement is not performed initially, power-on zero clearing needs to be performed first, and then a standard component needs to be clamped for calibration;
The initial distance between two opposed measuring heads 32 is d0After a standard part with the edge distance D is clamped on the measuring device, the two measuring heads 32 are respectively compressed outwards by the displacement delta D10And Δ d20then, there is the relation: d0=D-Δd10-Δd20Thus, the initial distance d can be obtained0The specific numerical values of (a);
the standard part is taken down, the measurement of the cable 9 to be measured can be carried out, and the edge distance is dxthe cable to be measured is clamped on the measuring device, and the displacement of the two measuring heads is delta d respectively1and Δ d2and then the opposite side distance of the cable to be measured is as follows: dx=d0+Δd1+Δd2。)
The whole measurement process is shown in fig. 5.
The polygonal crimping cable opposite-side distance measuring device is further provided with an electronic part to realize automatic execution and digital display of the measuring process, and has a data transmission function to store and send the measured value to a cloud end or other intelligent devices.
the electronic part specifically comprises:
The signal receiving module is used for receiving the displacement value sent by the displacement sensor;
the calculation module is used for obtaining a measurement result according to the displacement value; the signal receiving module and the calculating module can be the same chip and are used for receiving displacement level data sent by the capacitive grating displacement sensor and resolving high and low levels into actual measurement values.
The storage module is used for storing the displacement value and/or the measurement result, such as storage of an SD card and the like, and can be conveniently checked by an operator through storing the measurement data with the latest data;
The display module is used for displaying the displacement value and/or displaying whether the measurement result is qualified or not, and is generally an LCD display screen;
And the communication module uses a wireless WiFi module (or 3G and 4G modules) for generating a measurement result to the upper computer and receiving feedback information sent by the upper computer.
example 2
A method for measuring a pair-side distance of a polygonal crimped cable according to this embodiment, using the apparatus for measuring a pair-side distance of a polygonal crimped cable according to embodiment 1, includes the steps of:
A calibration step: placing the standard part between two clamping arms, folding the clamping arms to enable all measuring heads to contact the surface of the standard part, recording displacement distances of all measuring heads, obtaining the distances between all opposite measuring heads, and then taking away the standard part; during calibration, the distance between all the opposite measuring heads is d0,d0=D-Δd10-Δd20(ii) a Wherein D is the distance between two opposite sides of the standard, Δ D10And Δ d20The displacement amounts of two opposite measuring heads when the standard part is measured are respectively.
A measurement step: placing the cable to be tested between two clamping arms, folding the clamping arms to enable all measuring heads to contact the surface of the cable to be tested, recording displacement distances of all measuring heads, and calculating the edge distance of each opposite edge of the cable to be tested according to the distance between the opposite measuring heads; opposite side distance d of cable to be measuredxcomprises the following steps: dx=d0+Δd1+Δd2,Δd1And Δ d2the displacement of two opposite measuring heads is measured when the cable to be measured is measured.
a judging step: and judging whether the opposite side distance of each group of opposite sides meets the technical parameter standard.
When measuring hexagons, 3 sets of edge distances will occur.
in light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
these computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
these computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (10)

1. a polygonal crimp cable pair pitch measurement device, comprising:
A handle (1);
Two catch arms (2), one or both of which are rotatably arranged on the handle (1);
The even number of measuring modules (3) are respectively arranged on the two clamping arms (2);
The clamping arms (2) can be far away from each other and can be folded, and when the two clamping arms (2) are folded, the clamping arms (2) form regular polygon arrangement;
The measurement module (3) comprises: the device comprises a support (31), a measuring head (32) which is arranged on the support (31) and can move along the axial direction and is used for abutting against the surface of a cable to be measured, and a displacement measuring device (33) used for sensing the moving distance of the measuring head (32).
2. The polygonal crimp cable pair edge distance measuring device according to claim 1, wherein the measuring head (32) is connected to a holder (31) through a return spring (34) to return the measuring head (32).
3. polygonal crimp cable pair edge distance measuring device according to claim 1, wherein the two snap arms (2) are connected by a resilient member (5), the resilient member (5) applying a force to the snap arms (2) that closes the two snap arms (2).
4. Polygonal crimp cable pair edge distance measuring device according to claim 1, characterized in that the measuring device further comprises a handle (4) connected to the snap arms (2), the user holding the handle (4) to rotate one of the snap arms (2) away from the other snap arm (2).
5. the polygonal crimp cable pair edge distance measuring device according to claim 1, wherein the number of the measuring modules (3) is 6.
6. the polygonal crimp cable pair edge distance measuring device according to any one of claims 1 to 5, wherein the measuring module (3) is a displacement sensor.
7. The polygonal crimp cable pair edge distance measuring device according to claim 6, further comprising an electronic part including:
The signal receiving module is used for receiving the displacement value sent by the displacement sensor;
The calculation module is used for obtaining a measurement result according to the displacement value;
The storage module is used for storing the displacement value and/or the measurement result;
the display module is used for displaying the displacement value and/or displaying whether the measurement result is qualified;
And the communication module is used for generating a measurement result to the upper computer and receiving feedback information of the upper computer.
8. a method for measuring the edge-to-edge distance of a polygonal crimped cable, using the apparatus for measuring the edge-to-edge distance of a polygonal crimped cable according to any one of claims 1 to 7, comprising the steps of:
A calibration step: placing the standard part between two clamping arms (2), folding the clamping arms (2) to enable all measuring heads (32) to contact the surface of the standard part, recording displacement distances of all measuring heads (32), obtaining the distances between all opposite measuring heads (32), and then taking away the standard part;
A measurement step: placing the cable to be tested between two clamping arms (2), folding the clamping arms (2) to enable all measuring heads (32) to contact the surface of the cable to be tested, recording displacement distances of all measuring heads (32), and calculating the edge distance of each group of opposite edges of the cable to be tested according to the distance between the opposite measuring heads (32);
A judging step: and judging whether the edge distance of each group of opposite edges meets the technical parameter standard.
9. Method for measuring the distance to a polygonal crimp cable according to claim 8, wherein the distance between all the opposing probes (32) is d0,d0=D-Δd10-Δd20(ii) a Wherein D is the distance between two opposite sides of the standard, Δ D10And Δ d20the displacement amounts of two opposite measuring heads (32) when the standard component is measured are respectively.
10. The method for measuring the pair of pitches of a polygonal crimped cable according to claim 9, wherein the pair of pitches d of the cable to be measuredxcomprises the following steps: dx=d0+Δd1+Δd2,Δd1And Δ d2The displacement of two opposite measuring heads (32) is measured when the cable to be measured is measured.
CN201911020067.0A 2019-10-25 2019-10-25 Device and method for measuring edge distance of polygonal crimped cable Active CN110567412B (en)

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CN111692951A (en) * 2020-04-20 2020-09-22 国网浙江省电力有限公司 System and method for detecting edge distance of crimping pipe based on Internet of things equipment
CN112729134A (en) * 2020-12-19 2021-04-30 郑州东辰科技有限公司 Cable crimping cover detection device

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CN111692951A (en) * 2020-04-20 2020-09-22 国网浙江省电力有限公司 System and method for detecting edge distance of crimping pipe based on Internet of things equipment
CN112729134A (en) * 2020-12-19 2021-04-30 郑州东辰科技有限公司 Cable crimping cover detection device

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