CN211205136U - Portable cable diameter measuring device - Google Patents

Abstract

The utility model provides a portable cable diameter measuring device, which comprises a handle and two measuring boxes respectively connected with the front end and the rear end of the handle; the measuring box is of a cuboid structure, four independent copper wire nose through holes are respectively formed in the side wall, far away from the handle, of each measuring box, copper wire noses are matched in the copper wire nose through holes, four button through holes are formed in the top of the measuring box, and buttons are matched in the button through holes; four copper wire nose ejection devices are arranged inside the measuring box, one end of each copper wire nose ejection device is connected with one button, and the other end of each copper wire nose ejection device is connected with one copper wire nose; under the drive of the button, the copper wire nose ejection device ejects the copper wire nose from the copper wire nose through hole. The utility model discloses device easy operation, extensive applicability can accurately judge whether non-circular cross-section cable diameter such as triangle-shaped cross-section accords with standard cable diameter standard in cable acceptance work, measure the cable diameter accurately.

Description

Portable cable diameter measuring device

Technical Field

The utility model relates to a cable conductor footpath detects technical field, especially relates to a portable cable conductor footpath measuring device.

Background

Measuring the wire diameter of a cable is an important task in the cable acceptance process. For the traditional cable with a circular section, the cable diameter can be measured by directly using a vernier caliper. However, for the diameter of the circumscribed circle of the cable with the triangular section, the diameter of the circumscribed circle can only be calculated by measuring three sides. However, because the shape of the cable is irregular, the calculation error is large, the situation that the actual diameter of the circumscribed circle is not consistent frequently occurs, the calculation is complex, the requirement on the mathematical level of field acceptance personnel is high, and the applicability is poor.

Accordingly, there is a need for a cable diameter measuring device capable of accurately measuring the diameter of a cable with a triangular cross section.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a portable cable diameter measuring device that can accurate measurement go out triangle-shaped cross-section cable diameter is provided.

The utility model discloses a following technical scheme solves above-mentioned technical problem:

a portable cable diameter measuring device comprises a handle and two measuring boxes respectively connected to the front end and the rear end of the handle; the measuring box is of a cuboid structure, four independent copper wire nose through holes are respectively formed in the side wall, far away from the handle, of each measuring box, copper wire noses are matched in the copper wire nose through holes, four button through holes are formed in the top of the measuring box, and buttons are matched in the button through holes; four copper wire nose ejection devices are arranged inside the measuring box, one end of each copper wire nose ejection device is connected with one button, and the other end of each copper wire nose ejection device is connected with one copper wire nose; under the drive of the button, the copper wire nose ejection device ejects the copper wire nose from the copper wire nose through hole.

As one of the preferable modes of the utility model, the copper wire nose ejection device specifically comprises a rear tail check device, a guide shaft, a spring, an ejection check device and a locking nut; the rear tail non-return device is specifically a guide shaft mounting frame, the guide shaft mounting frame is fixed at one end, close to the handle, of the copper wire nose, two sides of the guide shaft mounting frame are respectively connected with a guide shaft positioning ring, and a guide shaft penetrates through each guide shaft positioning ring; the extending direction of the guide shaft is consistent with the ejecting direction of the copper wire nose, one end of the guide shaft is arranged outside the guide shaft positioning ring, and the other end of the guide shaft penetrates through the guide shaft positioning ring and fixes the tail end of the guide shaft on the side wall of the measuring box; wherein, the outer circumference of the guide shaft part which does not pass through the guide shaft positioning ring is also sleeved with a spring; the spring is limited on the periphery of the guide shaft through a locking nut fixed at the tail end of the guide shaft; the ejection non-return device is a single-piece clamp block, one end of the single-piece clamp block extends into the copper wire nose to clamp and fix the single-piece clamp block, and the other end of the single-piece clamp block is connected with the button; and the single-piece clamp block releases the copper wire nose under the driving of the downward action of the button.

As one of the preferable modes of the utility model, a wedge-shaped head is formed at one end of the single-piece clamp block close to the copper wire nose, an installation head is formed at one end far away from the copper wire nose, and a triangular clamping groove is formed at the part of the installation head close to the wedge-shaped head in an inward concave manner; wherein, the mounting head is provided with a first mounting hole and a second mounting hole; the first mounting hole is adjacent to the second mounting hole, a button linkage rod penetrates through the first mounting hole, a support rod is arranged in the second mounting hole, the tail end of the button linkage rod is connected with the button, and the tail end of the support rod is connected with the side wall of the measuring box; under the control of the button, the single-piece clamp block clamps and fixes or releases the copper wire nose through the triangular clamping groove, so that the copper wire nose has a storage state and a release state.

As one of the preferable modes of the present invention, a gasket is further disposed between the lock nut and the corresponding spring.

As one of the preferable modes of the present invention, the measuring box is a detachable structure, and includes a back baffle and a cuboid housing with a side end opening; the rear baffle plate is detachably connected with the cuboid shell with the side end opening, and the rear baffle plate and the cuboid shell form a complete cuboid structure with a hollow interior.

As one of the preferable modes of the utility model, the number of the copper wire noses on the two measuring boxes is eight; the eight copper wire noses are all cylindrical structures and have inner sectional areas of 35 mm, 50 mm, 70 mm, 95 mm, 120 mm, 150 mm, 185 mm and 240mm²The eight standard copper wire noses of (1); the design ensures that the device can accurately judge whether the diameter of the cable with the triangular section conforms to the area of 35, 50, 70, 95, 120, 150, 185 and 240mm²Diameter of the circle is standard.

As one of the preferable modes of the utility model, every still cooperate with a guide pin bushing on the copper wire nose perforation respectively.

As one of the preferred modes of the utility model, one of them measuring box top in two measuring boxes still is provided with the callipers chi frame, the joint has slide caliper rule on the callipers chi frame.

The utility model discloses compare prior art's advantage and lie in: the utility model utilizes the standard internal sectional area of 35, 50, 70, 95, 120, 150, 185 and 240mm²Eight standard copper wire noses (standard use size of cable in the field) as measuring units; a measurer opens the guide sleeve, holds the handle of the device by hand, and can eject the copper wire nose by pressing a button on the measuring box; after popping up, the 'triangular cross section cable' is measured through a copper wire nose test sleeve, and if the cable is just sleeved, the diameter of the cable meets the diameter standard of the popped-up copper wire nose. The utility model discloses device easy operation, extensive applicability can accurately judge whether non-circular cross section cable line footpath such as triangle-shaped cross section accords with the area and is 35, 50, 70, 95, 120, 150, 185, 240mm in cable acceptance work²Diameter of the circle is standard.

Drawings

FIG. 1 is a schematic view showing the overall configuration of a portable cable diameter measuring device according to embodiment 1;

FIG. 2 is an exploded view of the portable cable diameter measuring device according to example 1;

FIG. 3 is a schematic view showing the structure of a single measuring chamber in embodiment 1;

FIG. 4 is a schematic structural view of a single-piece caliper block in embodiment 1;

fig. 5 is a structure diagram of the fitting between the guide shaft mounting bracket and the peripheral part structure thereof in embodiment 1.

In the figure: the measuring box comprises a handle 1, a measuring box 2, a copper wire nose perforation 21, a button perforation 22, a rear baffle 23, a cuboid shell 24 with an opening at the side end, a copper wire nose 3, a button 4, a copper wire nose ejection device 5, a rear tail check device 51, a guide shaft mounting frame 511, a guide shaft positioning ring 512, a guide shaft 52, a spring 53, an ejection check device 54, a single-piece clamp block 541, a wedge-shaped head 542, a mounting head 543, a triangular clamping groove 5431, a first mounting hole 5432, a second mounting hole 5433, a locking nut 55, a gasket 56, a guide sleeve 6 and a caliper 7.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1 to 5, the portable cable diameter measuring device of the present embodiment includes a handle 1 and two measuring boxes 2 respectively connected to the front and rear ends of the handle 1. Measuring box 2 is the cuboid structure, is equipped with four independent copper line nose perforation 21 on the lateral wall of keeping away from handle 1 on every measuring box 2 respectively, and the cooperation has copper line nose 3 in the copper line nose perforation 21, and the top of measuring box 2 is equipped with four button perforations 22, and the cooperation has button 4 in the button perforation 22. Four copper wire nose pop-up devices 5 are arranged inside the measuring box 2, one end of each copper wire nose pop-up device 5 is connected with one button 4, and the other end of each copper wire nose pop-up device is connected with one copper wire nose 3. Under the drive of the button 4, the copper lug ejecting device 5 ejects the copper lug 3 from the copper lug through hole 21.

Further, referring to fig. 2, fig. 4 and fig. 5, in the present embodiment, the copper wire nose ejecting device 5 specifically includes a rear-end check device 51, a guide shaft 52, a spring 53, an ejecting check device 54 and a lock nut 55. The rear non-return device 51 is specifically a guide shaft mounting rack 511, the guide shaft mounting rack 511 is fixed at one end of the copper wire nose 3 close to the handle 1, two sides of the guide shaft mounting rack 511 are respectively connected with a guide shaft positioning ring 512, and a guide shaft 52 is respectively arranged on each guide shaft positioning ring 512 in a penetrating manner; the extending direction of the guide shaft 52 is the same as the ejecting direction of the copper lug 3, one end of the guide shaft 52 is arranged outside the guide shaft positioning ring 512, and the other end of the guide shaft 52 passes through the guide shaft positioning ring 512 and is fixed on the side wall of the measuring box 2. The part of the guide shaft 52 which does not pass through the guide shaft positioning ring 512 is also sleeved with a spring 53, and the spring 53 is limited on the periphery of the guide shaft 52 through a locking nut 55 fixed at the tail end of the guide shaft 52. The ejection backstop 54 is specifically a single-piece clamp block 541, one end of the single-piece clamp block 541 extends into the copper wire nose 3 to clamp and fix the single-piece clamp block, and the other end of the single-piece clamp block 541 is connected with the button 4. The single piece clamp block 541 releases the copper lug 3, driven by the downward action of the button 4.

Further, referring to fig. 4, in the present embodiment, a wedge 542 is formed at an end of the single clamp block 541 close to the copper wire nose 3, a mounting head 543 is formed at an end far from the copper wire nose 3, and a triangular slot 5431 is formed on a portion of the mounting head 543 close to the wedge 542. The mounting head 543 is provided with a first mounting hole 5432 and a second mounting hole 5433, the first mounting hole 5432 and the second mounting hole 5433 are arranged adjacently, and the second mounting hole 5433 is closer to the copper wire nose 3 than the first mounting hole 5432; a button linkage rod (not marked in the figure) penetrates through the first mounting hole 5432, a support rod (not marked in the figure) is arranged in the second mounting hole 5433, the tail end of the button linkage rod is connected with the button 4, and the tail end of the support rod is connected with the side wall of the measuring box 2. Under the control of the button 4, the single clamp block 541 clamps and fixes or releases the copper wire nose 3 through the triangular clamping groove 5431, so that the single clamp block has a storage state and a release state.

Further, referring to fig. 2 and 3, in the present embodiment, the measuring box 2 is a detachable structure, and includes a rear baffle 23 and a rectangular parallelepiped housing 24 with side end openings; the rear baffle 23 is detachably connected with a rectangular parallelepiped housing 24 having side end openings, and the two together form a complete rectangular parallelepiped structure having a hollow interior.

Further, it should be noted that the total number of the copper wire noses 3 on the two measuring boxes 2 is eight; the eight copper wire noses 3 are all cylindrical structures and have inner cross-sectional areas of 35 mm, 50 mm, 70 mm, 95 mm, 120 mm, 150 mm, 185 mm and 240mm²Eight standard copper wire noses 3; the design ensures that the device can accurately judge whether the diameter of the cable with the triangular section conforms to the area of 35, 50, 70, 95, 120, 150, 185 and 240mm²Diameter of the circle is standard.

In addition, referring to fig. 5, in the embodiment, in order to better limit the spring 53 between the lock nut 55 and the guide shaft mounting bracket 511, a spacer 56 is disposed between the lock nut 55 and the corresponding spring 53. In order to better protect the internal structure of the measuring box 2, please refer to fig. 1, each copper wire nose through hole is further respectively matched with a guide sleeve 6, and the guide sleeve 6 is removed only when the measurement is needed.

In addition, in order to further ensure the accuracy of measurement, as shown in fig. 1, in this embodiment, a caliper frame (not labeled in the figure) is further disposed on the top of one of the two measuring boxes 2, and a caliper 7 is fastened to the caliper frame. When the measurer doubts the cable size measured by the copper wire nose 3, the outer diameter of the cable can be measured by the caliper 7 and then calculated, and the calculation formula is as follows:

for example 120 cable with one phase line pi r²＝120，

The r is calculated to be 6.18mm, and the outer diameter is D2 r 12.36 mm.

Note: pi represents a circumference ratio of 3.14, r represents a wire section radius, and D represents a wire section outer diameter of 12.36 mm.

The use method and the principle are as follows:

when measurement is not needed: the button 4 does not act downwards, the single-piece clamp block 541 clamps and fixes the copper wire nose 3 through the triangular clamping groove 5431, and the copper wire nose 3 cannot be ejected out through the copper wire nose through hole 21 of the measuring box 2;

during measurement:

(1) a measurer opens the guide sleeve 6, holds the device handle 1 by hand, and presses the button 4 on the measuring box 2; at the moment, the button 4 acts downwards and is linked with the button linkage rod, and under the action of a movable fulcrum formed by the support rod in the second mounting hole 5433, the part between the second mounting hole 5433 of the single-piece clamp block 541 and the end part of the wedge head 542 starts to move, so that the triangular clamping groove 5431 releases the copper wire nose 3;

(2) when the copper wire nose 3 loses the limit of the single-piece clamp block 541, the copper wire nose 3 moves forwards linearly along the extension path of the guide shaft 52 under the thrust action of the spring 53 until passing through the copper wire nose through hole 21 and passing out of the measuring box 2;

(3) after popping up, a triangular cross section cable is measured by trying to sleeve the copper wire nose 3, and if the cable is just sleeved, the diameter of the cable meets the diameter standard of the popped copper wire nose 3;

(4) after the measurement is finished, the button 4 is pressed again to withdraw the copper wire nose 3 into the measurement box 2 for the next measurement.

The device of the embodiment is simple to operate, wide in applicability and simpler to bring in than a formula. The tool can effectively improve the working efficiency without having high professional knowledge, so that the work is easier.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A portable cable diameter measuring device is characterized by comprising a handle and two measuring boxes respectively connected to the front end and the rear end of the handle; the measuring box is of a cuboid structure, four independent copper wire nose through holes are respectively formed in the side wall, far away from the handle, of each measuring box, copper wire noses are matched in the copper wire nose through holes, four button through holes are formed in the top of the measuring box, and buttons are matched in the button through holes; four copper wire nose ejection devices are arranged inside the measuring box, one end of each copper wire nose ejection device is connected with one button, and the other end of each copper wire nose ejection device is connected with one copper wire nose; under the drive of the button, the copper wire nose ejection device ejects the copper wire nose from the copper wire nose through hole.

2. The portable cable diameter measuring device of claim 1, wherein the copper wire nose ejection device specifically comprises a rear-tail check device, a guide shaft, a spring, an ejection check device and a lock nut; the rear tail non-return device is specifically a guide shaft mounting frame, the guide shaft mounting frame is fixed at one end, close to the handle, of the copper wire nose, two sides of the guide shaft mounting frame are respectively connected with a guide shaft positioning ring, and a guide shaft penetrates through each guide shaft positioning ring; the extending direction of the guide shaft is consistent with the ejecting direction of the copper wire nose, one end of the guide shaft is arranged outside the guide shaft positioning ring, and the other end of the guide shaft penetrates through the guide shaft positioning ring and fixes the tail end of the guide shaft on the side wall of the measuring box; wherein, the outer circumference of the guide shaft part which does not pass through the guide shaft positioning ring is also sleeved with a spring; the spring is limited on the periphery of the guide shaft through a locking nut fixed at the tail end of the guide shaft; the ejection non-return device is a single-piece clamp block, one end of the single-piece clamp block extends into the copper wire nose to clamp and fix the single-piece clamp block, and the other end of the single-piece clamp block is connected with the button; and the single-piece clamp block releases the copper wire nose under the driving of the downward action of the button.

3. The portable cable diameter measuring device of claim 2, wherein a wedge-shaped head is formed at one end of the single clamp block close to the copper wire nose, a mounting head is formed at one end far away from the copper wire nose, and a triangular clamping groove is formed in a portion, close to the wedge-shaped head, of the mounting head in an inward concave manner; wherein, the mounting head is provided with a first mounting hole and a second mounting hole; the first mounting hole is adjacent to the second mounting hole, a button linkage rod penetrates through the first mounting hole, a support rod is arranged in the second mounting hole, the tail end of the button linkage rod is connected with the button, and the tail end of the support rod is connected with the side wall of the measuring box; under the control of the button, the single-piece clamp block clamps and fixes or releases the copper wire nose through the triangular clamping groove, so that the copper wire nose has a storage state and a release state.

4. The portable cable diameter measuring device of claim 2, wherein a washer is further disposed between the lock nut and the corresponding spring.

5. The portable cable diameter measuring device of claim 1, wherein the measuring box is a detachable structure including a back baffle and a rectangular parallelepiped housing having a side end opening; the rear baffle plate is detachably connected with the cuboid shell with the side end opening, and the rear baffle plate and the cuboid shell form a complete cuboid structure with a hollow interior.

6. The portable cable diameter measuring device of claim 1, wherein the number of copper wire noses on the two measuring boxes is eight; eight copper noses are all of a cylindrical structure and are respectively provided with a cylindrical structureHas an inner cross-sectional area of 35, 50, 70, 95, 120, 150, 185, 240mm²Eight standard copper wire noses.

7. The portable cable diameter measuring device of claim 1, wherein each of said copper wire nosed through holes is further fitted with a guide sleeve.

8. The portable cable diameter measuring device according to any one of claims 1 to 7, wherein a caliper frame is further disposed on the top of one of the two measuring boxes, and a caliper is fastened to the caliper frame.

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