CN216081255U - Portable high-precision cable measurement integrated device - Google Patents

Abstract

The utility model relates to a portable high-precision cable measurement integrated device which comprises a vernier caliper, a rotary table, a pressure plate assembly and an observation mechanism, wherein the vernier caliper comprises a measurement body, a fixed block and a traveling knife, the traveling knife is horizontally and slidably arranged on the measurement body, one end of the measurement body is an initiating end, the fixed block is fixedly arranged on the side wall of the measurement body at the initiating end, the rotary table is rotatably arranged on the fixed block through a rotating shaft, the pressure plate assembly is coaxially arranged on the rotary table, a cable piece to be measured is clamped in the pressure plate assembly, the cutting edge of the traveling knife faces towards the cable piece to be measured, the observation mechanism is further arranged on the traveling knife, and the observation mechanism is used for observing the cable piece to be measured in the pressure plate assembly, pushing the traveling knife and reading and recording the insulation thickness of a cable through the observation mechanism. The vernier caliper is simple in structure and novel in design, reduces the operation difficulty of a user by reducing the number of transmission structures, and is convenient to carry due to the integrated arrangement of the measurement and reading of the vernier caliper.

Description

Portable high-precision cable measurement integrated device

Technical Field

The utility model belongs to the technical field of cable detection, relates to a cable insulation layer thickness detection technology, and particularly relates to a portable high-precision cable measurement integrated device.

Background

The traditional eccentricity measurement depends on the laboratory environment, and the detection equipment has large volume and high cost and cannot be portable; in the traditional eccentricity measurement process, errors exist in the measurement method which needs to judge the excessive factors manually; in addition, the traditional eccentricity measurement result does not completely cover the cable insulation performance index, and the detection accuracy and the detection efficiency cannot be guaranteed.

The following patent documents relevant to the present application are found by search, and specific disclosures are as follows:

1. power cable insulation thickness measuring device (CN211855190U), including measuring body and supplementary brace, its characterized in that: the measurement is including main dead lever and slide bar, the slide bar slidable mounting be in measure the lower extreme of body, the one end fixed mounting of main dead lever has first connecting block, the one end fixed mounting of slide bar has the second connecting block, main dead lever with slidable mounting has between the slide bar supplementary brace, the fixed surface of slide bar installs standard pointer, the lower extreme fixed mounting of slide bar has the promotion handle, the fixed surface of first connecting block and second connecting block installs the speaker.

2. The utility model provides a simple and easy portable cable eccentricity measuring apparatu (CN206832175U), simple and easy portable cable eccentricity measuring apparatu for the isosceles triangle shaped plate that adopts the high transparent material of polystyrene to make, the edge on every limit is equipped with the scale, the eminence on isosceles triangle shaped plate base is equipped with vertical reference ruler, the lower part is on a parallel with the position on isosceles triangle shaped plate base and is equipped with horizontal reference ruler, use vertical reference ruler and horizontal reference ruler intersect and be equipped with the circumference angle chi for centre of a circle department, and the circumference angle chi comprises the multiunit concentric circles, be equipped with 360 scales on the circumference.

3. The portable measuring device (CN103292665B) for measuring the thickness of the cable comprises a bottom plate, a screw rod, a traveling knife, an angle sensor, a single chip microcomputer and a digital display, wherein the screw rod, the traveling knife, the angle sensor, the single chip microcomputer and the digital display are fixed on the bottom plate; the lower end of the free knife is connected with the screw rod through a screw transmission mechanism; one end of the screw rod is provided with an angle sensor for detecting the rotation angle of the screw rod; the angle sensor is directly connected with the single chip microcomputer with a digital-to-analog conversion function or is connected with the single chip microcomputer through a digital-to-analog conversion module; the angle sensor directly transmits the received current or voltage signal containing the rotation angle to the singlechip containing a digital-to-analog conversion function or transmits the current or voltage signal containing the rotation angle to the singlechip through a digital-to-analog conversion module; the single chip microcomputer processes the received signal and transmits the processed signal to the digital display; the digital display displays the received signals in a digital form.

Through comparison of technical characteristics, the technical structures of the patent publications and the scheme are different, and the creativity and the novelty of the utility model application are not influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides the portable high-precision cable measurement integrated device which is simple in structure, novel in design, capable of reducing the operation difficulty of a user, convenient to carry and capable of realizing integration of measurement and reading of a vernier caliper.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the utility model provides a portable high accuracy cable measurement integrative device, includes slide caliper, carousel, pressure disk assembly and observation mechanism, slide caliper is including measuring body, fixed block and trip sword, trip sword horizontal sliding mounting is on measuring the body, it is the initiating terminal to measure body one end, sets up scale "0", still is equipped with a fixed block admittedly on the lateral wall of the measurement body that corresponds "0" scale position, rotates through the pivot on this fixed block and installs a carousel, coaxial arrangement pressure disk assembly on the carousel, coaxial clamp is equipped with in the pressure disk assembly and remains to detect the cable piece, the cutting edge orientation of trip sword detects the cable piece, and still is provided with observation mechanism on the trip sword, observation mechanism is used for observing the cable piece that awaits measuring in the pressure disk assembly, promotes the trip sword, reads record cable insulation thickness through observation mechanism.

And, the carousel includes the disc, disc upper surface center department coaxial is provided with the location that is used for spacing installation pressure disk assembly and inserts the post, the disc upper surface is provided with many mark lines radially to every mark line all marks has corresponding digit, and the contained angle between per two adjacent mark lines is the same.

The pressing plate assembly comprises an upper pressing plate, a lower pressing plate and a fastening bolt, wherein the upper pressing plate and the lower pressing plate are round plates, the lower surface of the upper pressing plate is coaxially provided with a limiting boss, and the center of the upper pressing plate is coaxially provided with a positioning through hole; the coaxial system of upper surface of preforming down has the recess with the spacing boss looks adaptation of preforming, has the screw hole at this spacing recess center coaxial system, fastening bolt includes the screw rod and installs the nut in screw rod one end, first section of screw rod is smooth pole, and second section is the threaded rod, goes up the preforming and installs on the preforming down, through fastening bolt, will await measuring the fixed setting of cable piece in the pressure disk assembly, the central department of preforming lower surface still has the jack that is used for inserting the post cartridge with the location of whole pressure disk assembly and carousel and is connected down.

Moreover, the observation mechanism comprises a lens holder and a magnifier, and the magnifier is horizontally stacked on the lens holder.

And, put the mirror holder and include stand, support body and a plurality of socket joint frame, through go-between demountable installation there is a support body on the stand, the support body includes curb plate and horizontal support board, a plurality of horizontal support boards are installed perpendicularly at curb plate one side equipartition interval, all are provided with the socket joint frame in every horizontal support board, correspond it has a spacing post of inserting to go back horizontal installation on the curb plate of socket joint frame position, spacing post of inserting stretches into in the socket joint frame.

Moreover, the magnifying glass includes mirror pole and lens, the mirror pole is hollow cylinder structure, the tip level of mirror pole is provided with the lens, the cross is provided with first calibration line and second calibration line on the lens.

And the center of the turntable is coaxially embedded with a magnet, and the center of the lower surface of the lower pressing sheet of the pressing plate assembly is coaxially provided with an iron sheet.

In addition, limit grooves are formed in the circumferential side wall of the turntable corresponding to each mark line position of the turntable; and still be provided with stop gear on the lateral wall of the measurement body on fixed block upper portion, stop gear includes limit stop, spring and spacing ball, the spring mounting is on the lateral wall of measuring the body, and the one end of spring sets up spacing ball, limit stop sets up on the fixed block of spring both sides, spacing ball is located dog one side, and clamps with the spacing recess of carousel.

And, last preforming and lower preforming of pressure disk subassembly are made by transparent ya keli material.

The utility model has the advantages and positive effects that:

the utility model has simple structure, novel design and convenient carrying, gets rid of the limitation of detection environment (laboratory) and detection equipment, enlarges the application scene of detection, and extends the detection from the laboratory to the scenes of construction site, maintenance operation site and the like;

according to the utility model, the vernier caliper, the rotary table, the pressure plate assembly and the limiting mechanism are combined, so that a measuring point does not need to be drawn on a cable sheet on site and manually adjusted, and the measuring efficiency is greatly improved; meanwhile, with the aid of the observation assembly, four intersection points of the insulating layer, the inner semi-conducting layer and the outer semi-conducting layer and the measurement radius are measured and recorded more accurately; the average number can be calculated by rotating the turntable through multiple measurements of the same cable sheet, so that the measured data is more scientific;

drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of a platen assembly according to the present invention;

FIG. 5 is an enlarged schematic view of the observation mechanism of the present invention;

FIG. 6 is a partially enlarged view of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.

A portable high-precision cable measurement integrated device comprises a vernier caliper 1, a rotary table 5, a pressure plate assembly 6 and an observation mechanism 4, wherein the vernier caliper comprises a measurement body, a fixed block 9 and a trip knife 2, the trip knife is horizontally and slidably mounted on the measurement body, one end of the measurement body is an initial end, a scale mark 0 is arranged, the side wall of the measurement body corresponding to the scale mark 0 is fixedly provided with the fixed block, the fixed block is rotatably provided with the rotary table through a rotating shaft, the central vernier caliper of the rotary table reads 0, the pressure plate assembly is coaxially mounted on the rotary table, a cable sheet to be measured 6 is coaxially clamped in the pressure plate assembly, a cutting edge 3 of the trip knife faces towards the cable sheet to be measured, the travel knife is further provided with the observation mechanism, the observation mechanism is used for observing the cable sheet to be measured in the pressure plate assembly and pushing the trip knife, reading the insulation thickness of the recording cable through an observation mechanism;

the turntable comprises a disc, a positioning inserting column 5-3 is coaxially arranged at the center of the upper surface of the disc and used for limiting and mounting a pressure plate assembly, so that the pressure plate assembly can coaxially rotate together with the disc, a plurality of marking lines 5-2 are radially arranged on the upper surface of the disc, 12 marking lines are arranged in the embodiment, each marking line is marked with a corresponding number 5-1, the included angle between every two adjacent marking lines is the same, and the included angle of the embodiment is 30 degrees;

the pressing plate assembly is provided with various sizes according to the specification of a cable piece, and comprises an upper pressing piece 6-4, a lower pressing piece 6-7 and a fastening bolt 6-1, wherein the upper pressing piece and the lower pressing piece are both circular pieces, the lower surface of the upper pressing piece is coaxially provided with a limiting boss 6-3, and the center of the upper pressing piece is coaxially provided with a positioning through hole 6-2; the upper surface of the lower pressing piece is coaxially provided with a groove 6-6 matched with a limit boss of the lower pressing piece, the center of the limit groove is coaxially provided with a threaded hole 6-5, the fastening bolt comprises a screw rod and a nut installed at one end of the screw rod, the upper half section of the screw rod is a smooth rod, the lower half section of the screw rod is a threaded rod, when in actual use, a cable piece to be tested is sleeved on a limit convex column of the upper pressing piece, then the upper pressing piece is installed on the lower pressing piece, the positioning through hole and the threaded hole are coaxially arranged, the cable piece to be tested is fixedly arranged in the pressing plate assembly through the fastening bolt, and the center of the lower surface of the lower pressing piece is also provided with a jack which is used for inserting and connecting the whole pressing plate assembly with the positioning inserted column of the rotary table;

the observation mechanism comprises a lens holder and a magnifier, the lens holder comprises a stand column 4-2, a holder body and a plurality of socket frames 4-3, the stand column is detachably provided with the holder body through a connecting ring, the holder body comprises a side plate 4-1 and horizontal support plates 4-9, one side of the side plate is uniformly and vertically provided with the horizontal support plates at intervals, each horizontal support plate is provided with the socket frame, the side plate corresponding to the socket frame is also horizontally provided with a limit insert column 4-4, the limit insert column extends into the socket frame, the magnifier comprises a lens rod 4-5 and a lens 4-6, the lens rod is of a hollow cylinder structure, the end part of the lens rod is horizontally provided with a lens, and a first calibration line 4-8 and a second calibration line 4-7 are crossly arranged on the lens, the magnifying lens is installed in the socket frame through the matching of the lens rod and the limiting insertion column, the lens of the magnifying lens is located outside the socket frame, the first calibration line on the lens is aligned with the edge of the traveling knife, the traveling knife is moved, the magnifying lens is observed, when the orthographic projection of the first calibration line on the lens of the magnifying lens, the edge of the cutting edge of the traveling knife and the tangent line of the cable piece is a line, and the orthographic projection of one marking line and the orthographic projection of the second calibration line on the lens are a line, the reading on the vernier caliper is relatively accurate, and the numerical value deviation caused by the fact that the visual angle of the magnifying lens is observed by naked eyes is avoided;

in the specific implementation of the utility model, in order to ensure that the pressure plate assembly is more stably arranged on the turntable and can synchronously rotate with the turntable, the center of the turntable is coaxially embedded with the magnet 5-4, and the center of the lower surface of the lower pressure plate of the pressure plate assembly is coaxially provided with the iron sheet;

in the specific implementation of the utility model, in order to rotate the turntable at a fixed point, the circumferential side wall of the turntable corresponding to each marking line position of the turntable is provided with a limiting groove 5-5; a limiting mechanism 7 is further arranged on the side wall of the measuring body at the upper part of the fixed block, the limiting mechanism comprises a limiting stop 7-3, a spring 7-2 and a limiting ball 7-1, the spring is mounted on the side wall of the measuring body, the limiting ball is arranged at one end of the spring, the limiting stop is arranged on the fixed block at two sides of the spring, the limiting ball is positioned at one side of the stop and clamped with a limiting groove of the turntable, and when the turntable is rotated, the limiting mechanism can realize 30-degree rotation of the turntable to position a clamping point; therefore, the thinnest thickness values of the insulating layer and the inner and outer semi-conducting layers at different points on the cable can be positioned and measured by rotating the turntable, and the measurement efficiency is greatly improved because the measurement points do not need to be drawn on site on the cable sheet and manually adjusted;

in the specific implementation of the utility model, the upper pressing sheet and the lower pressing sheet of the pressing plate assembly are both made of transparent acrylic materials, and when the pressing plate assembly is arranged on the turntable, the marking lines on the turntable can be seen, so that the cable sheets in the pressing plate assembly are marked in such a way, the cable sheets do not need to be marked before measurement, and the measurement efficiency is greatly improved.

The method specifically comprises the following steps:

firstly, sleeving a cable piece to be tested on a limiting convex column of an upper pressing piece, then installing the upper pressing piece on a lower pressing piece, flatly and fixedly arranging the cable piece to be tested between the upper pressing piece and the lower pressing piece through a fastening bolt, and then installing a pressure plate assembly provided with the cable piece to be tested on a turntable; the marking lines on the rotary table are transmitted to the cable sheet to be measured in the pressure plate assembly, so that a plurality of positioning measuring points (the point is the thinnest point) of the cable sheet to be measured are determined, then a magnifying glass which amplifies proper degrees is selected according to the requirements of operators, the magnifying glass is installed on the lens frame, the rotary table is rotated to position the marking lines to be measured to the side close to the movable knife, then the movable knife is moved, and under the assistance of the magnifying glass, when a first calibration line on a lens of the magnifying glass, the edge of the cutting edge of the movable knife and the tangent line of the cable sheet are orthographically projected to form a line, and when the orthographically projected line of one marking line and a second calibration line on the lens is a line, the thinnest thickness values of the insulating layer and the inner and outer semi-conducting layers are respectively recorded;

and rotating the turntable to determine the measuring positions on the cable sheet corresponding to the marking lines with any other radius, moving a moving knife of the vernier caliper, and measuring and recording four intersection points of the insulating layer, the inner semi-conducting layer and the outer semi-conducting layer and the measuring radius by the aid of the magnifier in the same determination mode.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (9)

1. The utility model provides a portable high accuracy cable measures integrative device which characterized in that: including slide caliper, carousel, pressure disk assembly and observation mechanism, slide caliper is including measuring body, fixed block and trip sword, trip sword horizontal sliding installs on measuring the body, it is the initiating terminal to measure body one end, sets up scale "0", still is equipped with a fixed block admittedly on the lateral wall of the measurement body corresponding to "0" scale position, rotates through the pivot on this fixed block and installs a carousel, coaxial arrangement pressure disk assembly on the carousel, coaxial clamp dress remains to detect the cable piece in the pressure disk assembly, the cutting edge orientation of trip sword is detected the cable piece, and still is provided with observation mechanism on the trip sword, observation mechanism is used for observing the cable piece that awaits measuring in the pressure disk assembly, promotes the trip sword, reads record cable insulation thickness through observation mechanism.

2. The portable high-precision cable measurement integrated device according to claim 1, wherein: the carousel includes the disc, disc upper surface center department coaxial is provided with the location that is used for spacing installation pressure disk assembly and inserts the post, the disc upper surface is provided with many mark lines radially to every mark line all marks corresponding figure, and the contained angle between per two adjacent mark lines is the same.

3. The portable high-precision cable measurement integrated device according to claim 1, wherein: the pressure plate assembly comprises an upper pressure plate, a lower pressure plate and a fastening bolt, wherein the upper pressure plate and the lower pressure plate are both circular plates, the lower surface of the upper pressure plate is coaxially provided with a limiting boss, and the center of the upper pressure plate is coaxially provided with a positioning through hole; the coaxial system of upper surface of preforming down has the recess with the spacing boss looks adaptation of preforming, has the screw hole at this spacing recess center coaxial system, fastening bolt includes the screw rod and installs the nut in screw rod one end, first section of screw rod is smooth pole, and second section is the threaded rod, goes up the preforming and installs on the preforming down, through fastening bolt, will await measuring the fixed setting of cable piece in the pressure disk assembly, the central department of preforming lower surface still has the jack that is used for inserting the post cartridge with the location of whole pressure disk assembly and carousel and is connected down.

4. The portable high-precision cable measurement integrated device according to claim 1, wherein: the observation mechanism comprises a lens holder and a magnifier, wherein the magnifier is horizontally and overlappingly arranged on the lens holder.

5. The portable high-precision cable measurement integrated device according to claim 4, wherein: put the mirror holder and include stand, support body and a plurality of socket joint frame, through go-between demountable installation there is a support body on the stand, the support body includes curb plate and horizontal support board, a plurality of horizontal support boards are installed perpendicularly at curb plate one side equipartition interval, all are provided with the socket joint frame on every horizontal support board, correspond it has a spacing post of inserting to go back horizontal installation on the curb plate of socket joint frame position, spacing post of inserting stretches into in the socket joint frame.

6. The portable high-precision cable measurement integrated device according to claim 4, wherein: the magnifying glass comprises a glass rod and a lens, the glass rod is of a hollow cylinder structure, the lens is horizontally arranged at the end of the glass rod, and a first calibration line and a second calibration line are arranged on the lens in a crossed mode.

7. The portable high-precision cable measurement integrated device according to claim 4, wherein: the center of the turntable is coaxially embedded with a magnet, and the center of the lower surface of the lower pressing sheet of the pressing sheet assembly is coaxially provided with an iron sheet.

8. The portable high-precision cable measurement integrated device according to claim 2, wherein: limiting grooves are formed in the circumferential side wall of the turntable corresponding to each mark line position of the turntable; and still be provided with stop gear on the lateral wall of the measurement body on fixed block upper portion, stop gear includes limit stop, spring and spacing ball, the spring mounting is on the lateral wall of measuring the body, and the one end of spring sets up spacing ball, limit stop sets up on the fixed block of spring both sides, spacing ball is located dog one side, and clamps with the spacing recess of carousel.

9. The portable high-precision cable measurement integrated device according to claim 3, wherein: the upper pressing sheet and the lower pressing sheet of the pressing plate assembly are both made of transparent acrylic materials.

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