CN110953973B

CN110953973B - Portable cable cross section measuring device

Info

Publication number: CN110953973B
Application number: CN201911234081.0A
Authority: CN
Inventors: 章杰
Original assignee: Zhejiang Guangtian Transformer Co Ltd
Current assignee: Zhejiang Guangtian Transformer Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2021-09-21
Anticipated expiration: 2039-12-05
Also published as: CN110953973A

Abstract

A portable cable section measuring device comprises a section measurer, wherein the section measurer comprises a measuring seat and a pressing cover which are hinged with each other, the measuring seat is in a semicircular ring shape, an installation groove for installing a cable fixing piece is formed in the inner side of the measuring seat, and the cable fixing piece is fixedly installed in the installation groove in an inverted triangle shape; through setting up a small, portable cross-section measurement ware, the cross-section measurement ware includes the annular measuring seat of semicircle, and the pressfitting lid of transposition on the measuring seat, the interfacial agent of cable not only can be measured to this device, but also can cut the cable insulating layer, it is more convenient when using, handy, need not carry more instruments, and this device structure is small and exquisite, the bottom intermediate position department of measuring seat has set firmly the suspension ring seat, the downthehole installation rings that install of rings, can hang the cross-section measurement ware at the saddlebag through rings, waist or handy position, conveniently carry.

Description

Portable cable cross section measuring device

Technical Field

The invention relates to the technical field of power cables, in particular to a portable cable section measuring device.

Background

The cable specification is a meaning of a representation of the number of cores and the sectional size of the electric wire and cable. The electric wire and cable products adopted by the electric power system mainly comprise an overhead bare wire, a bus bar (bus), an electric power cable (plastic cable, oilpaper cable, rubber sleeve cable and overhead insulated cable), a branch cable (replacing part of the bus), an electromagnetic wire and an electric equipment electric wire and cable for electric power equipment, the standard for judging whether a cable conductor is qualified is the direct current resistance of the conductor, the direct current resistance of the conductor with the sectional area of 185 square millimeters is not more than 0.0991 omega/km at 20 ℃, the data reference national standard GB/T3956-2008 'conductor of the cable', the existing cable section measuring device usually adopts a micrometer, the diameter of the cable is measured, the diameter is usually measured, the sectional area of the cable is calculated, but the micrometer has larger volume, is inconvenient to carry, has high precision requirement, is easy to collide during carrying, and influences the precision of the micrometer, therefore, a small and portable cross-section measuring device is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a portable cable section measuring device, which solves the problems that the conventional cable section measuring device usually adopts a micrometer to measure the diameter of a cable, the sectional area of the cable is calculated according to the usually measured diameter, but the micrometer is large in volume, inconvenient to carry, high in precision requirement, easy to collide with and influence the precision of the micrometer in the carrying process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a portable cable section measuring device comprises a section measuring device, wherein the section measuring device comprises a measuring seat and a pressing cover which are hinged with each other, the measuring seat is in a semicircular ring shape, the inner side of the measuring seat is provided with a mounting groove for mounting a cable fixing piece, the cable fixing piece is fixedly mounted in the mounting groove in an inverted triangle shape, a pressing adjusting mechanism for clamping a cable is mounted on the pressing cover, the cable fixing piece comprises a cutting knife and a size plate, the cutting knife is fixedly arranged on one side wall of the mounting groove, the size plate is mounted on the other side wall of the mounting groove, a gap is reserved between the cutting knife and the size plate, the pressing adjusting mechanism comprises an extrusion plate, a knurling wheel and a screw rod, the pressing cover is provided with a through rolling pulley groove, and the inside of the pressing cover is provided with a screw rod groove pointing to the sharp angle direction of the cable fixing piece, the knurling wheel is rotatably installed in the knurling pulley groove, the screw rod is rotatably installed in the screw rod groove, the screw rod is in meshing transmission with the knurling wheel, the bottom of the screw rod is rotatably connected with the extrusion plate, the extrusion plate slides in a gap between the cutting knife and the size plate, and the outer wall of the extrusion plate is attached to the cutting knife and the size plate.

Preferably, the cutting knife is an integral blade with a V-shaped cutting edge, and the angle of the V-shaped cutting edge of the cutting knife is sixty degrees.

Preferably, the number of the size plates is two, the two size plates are symmetrically distributed, and the size plates are connected with the measuring seat in a sliding mode.

Preferably, a through sliding groove is formed in one side wall, close to the size plate, of the section measurer, a hand wheel stud is slidably mounted in the sliding groove, and the hand wheel stud is fixedly connected with the size plate in a threaded manner.

Preferably, the inclination angle of the size plate is parallel to the knife edge of the cutting knife, and the size plate is provided with scale marks.

Preferably, bearings are fixedly mounted at two ends of the screw rod, one end of the screw rod is rotatably connected with the press cover through the bearings, the bearings are slidably connected with the measuring seat, and the other end of the screw rod is rotatably connected with the extrusion plate through the screw rod.

Preferably, a hinge is fixed at the joint of the measuring seat and one side of the press cover, a magnetic attraction groove is formed in one side of the measuring seat, which is far away from the hinge, a magnetic attraction head is fixedly arranged on one side of the press cover, which is far away from the hinge, and the magnetic attraction head and the magnetic attraction groove are fixed in a magnetic attraction manner.

Preferably, a lifting ring seat is fixedly arranged at the middle position of the bottom of the measuring seat, a through lifting ring hole is formed in the lifting ring seat, and a lifting ring is installed in the lifting ring hole.

Preferably, a regular triangle is enclosed between the extrusion plate and the cutting knife.

Preferably, the unit length of the scale mark is zero point one millimeter.

(III) advantageous effects

The invention provides a portable cable cross section measuring device, which has the following beneficial effects:

(1) by arranging a small-sized and portable section measurer, the section measurer comprises a semicircular measuring seat and a pressing cover which is twisted on the measuring seat, a cutting knife with an integrated blade with a V-shaped cutting edge is arranged in the measuring seat, the number of the size plates is two, the two size plates are symmetrically distributed, the size plates are in sliding connection with the measuring seat, a pressing plate capable of sliding up and down is arranged on the pressing cover, the pressing plate is driven by a knurling wheel to rotate to drive a screw rod to rotate, the pressing plate moves downwards to press a cable in a V-shaped groove of a cable fixing part, when the cable measurer is used, the measuring seat and the pressing cover are turned over to expose the V-shaped groove, then the cable to be measured is clamped in the V-shaped groove, the pressing cover is covered, the knurling wheel is rotated by hands, the pressing plate is driven by the screw rod to press the cable, when the pressing plate and the two size plates simultaneously contact the cable, and observing the scale marks, observing the diameter of the cable, and then calculating the sectional area of the cable.

(2) When the crust insulating layer of cable is not stripped, can also twist the hand wheel double-screw bolt on moving the measuring seat, make the size board not hard up, then move to both sides, expose the cutting knife of rear side, at this moment, alright with utilize cutting knife cutting cable insulating layer, rotate the cross-section caliber and cut off the cable insulating layer, then repeat above-mentioned step again, measure the diameter of cable, this device not only can measure the interfacial agent of cable, but also can cut the cable insulating layer, it is more convenient when using, handy, need not carry more instruments, and this device structure is small and exquisite, the bottom intermediate position department of measuring seat has set firmly the hanging ring seat, set up the rings hole that link up on the hanging ring seat, the downthehole installation rings that install of rings, can hang the cross-section caliber at the saddlebag through rings, waist or handy position, conveniently carry.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view showing an open structure of the cross-section measuring device of the present invention;

fig. 4 is a schematic structural view of a cable fixing member and a pressing adjustment mechanism according to the present invention.

In the figure: 1. a section measurer; 11. a measuring seat; 111. a suspension ring seat; 1111. a suspension ring hole; 112. a chute; 113. a magnetic attraction groove; 12. pressing the cover; 121. rolling a pulley groove; 122. a screw channel; 123. a magnetic suction head; 13. hinging; 2. a cable fixing member; 21. a cutting knife; 22. a size plate; 221. scale lines; 222. a hand wheel stud; 3. installing a hanging ring; 4. a pressing adjustment mechanism; 41. a pressing plate; 42. a knurling wheel; 43. a screw; 44. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a portable cable section measuring device comprises a section measuring device 1, the section measuring device 1 comprises a measuring seat 11 and a press cover 12 which are hinged with each other, the measuring seat 11 is in a semicircular ring shape, the inner side of the measuring seat 11 is provided with a mounting groove for mounting a cable fixing piece 2, the cable fixing piece 2 is fixedly mounted in the mounting groove in an inverted triangle shape, a press adjusting mechanism 4 for clamping a cable is mounted on the press cover 12, the cable fixing piece 2 comprises a cutting knife 21 and a size plate 22, the cutting knife 21 is fixedly arranged on one side wall of the mounting groove, the size plate 22 is mounted on the other side wall of the mounting groove, a gap is reserved between the cutting knife 21 and the size plate 22, the press adjusting mechanism 4 comprises a squeezing plate 41, a knurling wheel 42 and a screw 43, the press cover 12 is provided with a through rolling pulley groove 121, and the press cover 12 is internally provided with a screw groove 122 pointing to the sharp angle direction of the cable fixing piece 2, the knurling wheel 42 is rotatably arranged in the knurling wheel groove 121, the screw 43 is rotatably arranged in the screw groove 122, the screw 43 and the knurling wheel 42 are in meshing transmission, the bottom of the screw 43 is rotatably connected with an extrusion plate 41, the extrusion plate 41 slides in a gap between the cutting knife 21 and the size plate 22, the outer wall of the extrusion plate 41 is attached to the cutting knife 21 and the size plate 22, by arranging a small-size portable section measurer 1, the section measurer 1 comprises a semicircular measuring seat 11 and a pressing cover 12 which is twisted on the measuring seat 11, the cutting knife 21 with an integrated blade with a V-shaped cutting edge is arranged in the measuring seat 11, the number of the size plates 22 is two, the two size plates 22 are symmetrically distributed, the size plates 22 are slidably connected with the measuring seat 11, the pressing cover 12 is provided with the extrusion plate 41 which can slide up and down, the extrusion plate 41 rotates to drive the screw 43 by the knurling wheel 42, the extrusion plate 41 moves downwards, the cable is extruded in a V-shaped groove of the cable fixing part 2, when the cable fixing part is used, the measuring seat 11 and the press cover 12 are turned over to expose the V-shaped groove, then the cable to be measured is clamped in the V-shaped groove, then the press cover 12 is covered, the knurling wheel 42 is rotated by hands to enable the extrusion plate 41 to be extruded towards the cable under the driving of a screw 43, when the extrusion plate 41 and the two size plates 22 simultaneously contact the cable, the scale mark 221 is observed, the diameter of the cable is observed, the sectional area of the cable is calculated, when the outer skin insulating layer of the cable is not stripped, the hand wheel stud 222 on the measuring seat 11 can be screwed to enable the size plates 22 to be loosened, then the two sides are moved to expose the cutting knife 21 on the rear side, at the moment, the cutting knife 21 can be used for cutting the cable insulating layer, the section measurer 1 is rotated to cut off the cable insulating layer, then the above steps are repeated to measure the diameter of the cable, the device not only can measure the interfacial agent of the cable, but also can cut the cable insulating layer, the use is more convenient and handy, and more tools are not required to be carried, the device has a small structure, a suspension ring seat 111 is fixedly arranged at the middle position of the bottom of a measuring seat 11, a through suspension ring hole 1111 is arranged on the suspension ring seat 111, a mounting suspension ring 3 is arranged in the suspension ring hole 1111, a section measurer 1 can be hung at a tool bag, a waist or handy position through the mounting suspension ring 3, the device is convenient to carry, a cutting knife 21 is an integrated blade with a V-shaped cutting edge, the V-shaped cutting edge angle of the cutting knife 21 is sixty degrees, the device can be suitable for cables with various sizes, the number of the size plates 22 is two, the two size plates 22 are symmetrically distributed, the size plates 22 are connected with the measuring seat 11 in a sliding way, the cable insulation layer can be measured and cut, a through sliding groove 112 is formed in one side wall, close to a size plate 22, of a section measurer 1, a hand wheel stud 222 is installed in the sliding groove 112 in a sliding mode, the hand wheel stud 222 is fixedly connected with the size plate 22 in a threaded mode, the inclination angle of the size plate 22 is parallel to the knife edge of a cutting knife 21, a scale mark 221 is arranged on the size plate 22, when the outer skin insulation layer of the cable is not stripped, the hand wheel stud 222 on a measuring seat 11 can be screwed to enable the size plate 22 to be loosened and then moved to two sides, the cutting knife 21 on the rear side is exposed, at the moment, the cable insulation layer can be cut by the cutting knife 21, and the section measurer 1 is rotated to cut off the cable insulation layer; bearings 44 are fixedly mounted at two ends of the screw 43, one end of the screw 43 is rotatably connected with the press-fit cover 12 through the bearing 44, the bearing 44 is slidably connected with the measuring seat 11, the other end of the screw 43 is rotatably connected with the extruding plate 41 through the screw 43, the knurling wheel 42 is rotated by hands, the extruding plate 41 is driven by the screw 43 to extrude the cable, when the extruding plate 41 and the two size plates 22 simultaneously contact the cable, the scale mark 221 is observed, the diameter of the cable is observed, a hinge 13 is fixed at the joint of one side of the measuring seat 11 and the press-fit cover 12, a magnetic suction groove 113 is formed in one side of the measuring seat 11, which is far away from the hinge 13, a magnetic suction head 123 is fixedly arranged on one side of the press-fit cover 12, the magnetic suction head 123 is fixed with the magnetic suction groove 113 in a magnetic suction manner, an equilateral triangle is formed between the extruding plate 41 and the cutting knife 21, and the unit length of the zero point line 221 is one millimeter.

When the device is used, the measuring seat 11 and the pressing cover 12 are turned over to expose the V-shaped groove, then a cable to be measured is clamped in the V-shaped groove, then the pressing cover 12 is covered, the knurling wheel 42 is rotated by hands, the extrusion plate 41 is driven by the screw 43 to extrude the cable, when the extrusion plate 41 and the two size plates 22 are simultaneously contacted with the cable, the scale mark 221 is observed, the diameter of the cable is observed, the sectional area of the cable is calculated, when the sheath insulating layer of the cable is not stripped, the handwheel stud 222 on the measuring seat 11 can be twisted to loosen the size plates 22, then the size plates 22 move to two sides, the cutting knife 21 at the rear side is exposed, at the moment, the cutting knife 21 can be used for cutting the cable insulating layer, the section measurer 1 is rotated to cut off the cable insulating layer, the steps are repeated, the diameter of the cable is measured, and the device not only can measure the interface agent of the cable, but also can cut the cable insulating layer, it is more convenient, handy when using, need not carry more instruments, and this device structure is small and exquisite, and the bottom intermediate position department of measuring seat 11 has set firmly suspension ring seat 111, has seted up the rings hole 1111 that link up on the suspension ring seat 111, installs installation rings 3 in the rings hole 1111, can hang cross-section caliber 1 in saddlebag, waist or handy position through installation rings 3, conveniently carries.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable cable cross-section measuring device which is characterized in that: the cable clamp comprises a section measurer (1), wherein the section measurer (1) comprises a measuring seat (11) and a pressing cover (12) which are hinged with each other, the measuring seat (11) is in a semicircular ring shape, a mounting groove for mounting a cable fixing piece (2) is formed in the inner side of the measuring seat (11), the cable fixing piece (2) is fixedly mounted in the mounting groove in an inverted triangle shape, a pressing adjusting mechanism (4) for clamping a cable is mounted on the pressing cover (12), the cable fixing piece (2) comprises a cutting knife (21) and size plates (22), the cutting knife (21) is fixedly arranged on one side wall of the mounting groove, the size plates (22) are mounted on two side walls of the mounting groove, a gap is reserved between the cutting knife (21) and the size plates (22), the size plates (22) are two in number, and the two size plates (22) are symmetrically distributed, the measuring seat (11) is slidably connected with the dimension plate (22), a through sliding groove (112) is formed in one side wall, close to the dimension plate (22), of the section measuring device (1), a hand wheel stud (222) is slidably mounted in the sliding groove (112), the hand wheel stud (222) is fixedly connected with the dimension plate (22) in a threaded mode, the pressing adjusting mechanism (4) comprises an extrusion plate (41), a knurling wheel (42) and a screw rod (43), a regular triangle is defined between the extrusion plate (41) and the cutting knife (21), a through knurling wheel groove (121) is formed in the pressing cover (12), a screw groove (122) pointing to the sharp angle direction of the cable fixing part (2) is formed in the pressing cover (12), the knurling wheel (42) is rotatably mounted in the knurling wheel groove (121), and the screw rod (43) is rotatably mounted in the screw groove (122), the cable sheath insulation layer peeling device is characterized in that the screw (43) and the knurling wheel (42) are in meshed transmission, the bottom of the screw (43) is rotatably connected with the extrusion plate (41), the extrusion plate (41) slides in a gap between the cutting knife (21) and the size plate (22), the outer wall of the extrusion plate (41) is attached to the cutting knife (21) and the size plate (22), and when a sheath insulation layer of a cable is not peeled off, a hand wheel stud (222) on the measuring seat (11) can be screwed to loosen the size plate (22) and then move towards two sides to expose the cutting knife (21) on the rear side.

2. A portable cable cross-section measuring device according to claim 1, wherein: the cutting knife (21) is an integrated blade with a V-shaped cutting edge, and the angle of the V-shaped cutting edge of the cutting knife (21) is sixty degrees.

3. A portable cable cross-section measuring device according to claim 1, wherein: the inclination angle of the dimension plate (22) is parallel to the edge of the cutting knife (21), and the dimension plate (22) is provided with scale marks (221).

4. A portable cable cross-section measuring device according to claim 1, wherein: the both ends of screw rod (43) are equal fixed mounting have bearing (44), the one end of screw rod (43) is passed through bearing (44) with gland lid (12) rotate to be connected, bearing (44) with measure seat (11) sliding connection, the other end passes through screw rod (43) with stripper plate (41) rotate to be connected.

5. A portable cable cross-section measuring device according to claim 1, wherein: the hinge (13) is fixed at the joint of one side of the measuring seat (11) and one side of the press cover (12), a magnetic suction groove (113) is formed in one side, far away from the hinge (13), of the measuring seat (11), a magnetic suction head (123) is fixedly arranged on one side, far away from the hinge (13), of the press cover (12), and the magnetic suction head (123) and the magnetic suction groove (113) are fixed in a magnetic suction mode.

6. A portable cable cross-section measuring device according to any one of claims 1 to 5, wherein: the measuring device is characterized in that a lifting ring seat (111) is fixedly arranged at the middle position of the bottom of the measuring seat (11), a through lifting ring hole (1111) is formed in the lifting ring seat (111), and a lifting ring (3) is installed in the lifting ring hole (1111).

7. A portable cable cross-section measuring device according to claim 3, wherein: the unit length of the scale mark (221) is zero point one millimeter.