CN218211102U

CN218211102U - Device convenient for operating measurement of insulation thickness of electric wire and cable

Info

Publication number: CN218211102U
Application number: CN202221880809.4U
Authority: CN
Inventors: 姜建彬; 束光辉; 朱维; 殷文
Original assignee: Danyang Construction Engineering Quality Inspection Center
Current assignee: Danyang Construction Engineering Quality Inspection Center
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-01-03
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a be convenient for operate wire and cable insulation thickness measuring device relates to the relevant field of wire and cable, is the thickness of independent measurement insulating layer for solving at present, and insulating layer thickness itself is less, and direct measurement both needs fixed wire and cable, needs fixed slide caliper rule again, still needs manual regulation measuring jaw, the problem of the operation of not being convenient for. One side fixedly connected with stationary dog of main scale lower extreme, sliding connection has first sliding jaw, second sliding jaw and third sliding jaw on the main scale, and first sliding jaw, second sliding jaw and third sliding jaw set gradually to the one side of keeping away from the stationary jaw along the one side that is close to the stationary jaw, and first sliding jaw and third sliding jaw structure are the same, and second sliding jaw and third sliding jaw structural symmetry set up, first sliding jaw, second sliding jaw and third sliding jaw all level with the lower terminal surface of stationary jaw including measuring the claw.

Description

Cable insulation thickness measuring device convenient to operate

Technical Field

The utility model relates to a wire and cable correlation field specifically is a be convenient for operate wire and cable insulation thickness measuring device.

Background

With the rapid development of the power distribution network, in order to reduce the threat to the power distribution network in the nature, relevant personnel perform coating operation on the overhead bare conductor to form an overhead insulated conductor, namely, the overhead bare conductor is insulated by adopting an insulating material, so that the problems of short circuit, power supply interruption, personnel electric shock, fire and the like caused by poor insulation in the operation process of the overhead bare conductor are solved. Therefore, insulation plays a very important role in power transmission and transmission safety, and therefore, the insulation thickness of the cable needs to be measured and detected after production, and a caliper is used for measurement in a current common method.

For example, chinese granted patent publication No. CN 211855190U (power cable insulation thickness measuring device): including measuring body and supplementary brace, measure 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.

Although the prior art has the function of detecting the insulation thickness, the thickness of the insulation layer is measured independently, the thickness of the insulation layer is small, and the direct measurement needs to fix the wire and the cable, fix the caliper and manually adjust the measuring claw, so that the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be convenient for operate wire and cable insulation thickness measuring device to solve the present thickness of surveying the insulating layer alone that proposes in the above-mentioned background art, and insulating layer thickness itself is less, and direct measurement had both needed fixed wire and cable, needs fixed slide caliper rule again, still needs manual regulation measuring jaw, the problem of the operation of not being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be convenient for operate wire and cable insulation thickness measuring device, includes the main scale, one side fixedly connected with stationary dog of main scale lower extreme, sliding connection has first sliding jaw, second sliding jaw and third sliding jaw on the main scale, and first sliding jaw, second sliding jaw and third sliding jaw set gradually to the one side of keeping away from the stationary jaw along the one side that is close to the stationary jaw, and first sliding jaw and third sliding jaw structure are the same, and second sliding jaw and third sliding jaw structural symmetry set up, first sliding jaw, second sliding jaw and third sliding jaw all include the measurement claw, measure the claw and flush with the lower terminal surface of stationary jaw, the stationary jaw is close to the lower extreme that the claw is close to stationary jaw one side on the lower extreme of first sliding jaw one side, measures the lower extreme that the claw keeps away from first sliding jaw one side on the second sliding jaw and measures the lower extreme that the claw is close to second sliding jaw one side on the third sliding jaw and all imbeds and be connected with the blotter.

Preferably, the upper end face of the main ruler is provided with a middle sliding groove, the middle sliding groove penetrates through the main ruler, the measuring claw slides along the middle sliding groove, the front end inside the middle sliding groove is provided with a connecting worm, the front end face of the measuring claw is provided with a groove corresponding to the middle sliding groove, the groove is rotatably connected with a worm wheel, and the worm wheel is meshed with the connecting worm.

Preferably, the upper ends of the front and rear end faces of the main ruler are provided with limiting sliding chutes, the first sliding jaw, the second sliding jaw and the third sliding jaw further comprise fixed transverse plates, the fixed transverse plates are fixedly connected to the upper ends of the measuring jaws, the front and rear ends of the lower ends of the fixed transverse plates are fixedly connected with L-shaped sliding plates, and protruding portions of the L-shaped sliding plates are slidably connected along the limiting sliding chutes.

Preferably, the lower extreme of terminal surface is provided with the graduation apparatus before the main scale, and the plane that the stationary dog is close to first sliding jaw one side is located same vertical face with the scale initiating end of graduation apparatus, the equal fixedly connected with fixed plate in the upper end that L shape sliding plate is close to stationary dog one side on the first sliding jaw, the upper end that L shape sliding plate keeps away from first sliding jaw one side on the second sliding jaw and the upper end that L shape sliding plate is close to second sliding jaw one side on the third sliding jaw, the lower extreme body coupling of fixed plate has the instruction arrow point, and the instruction end and the graduation apparatus laminating of instruction arrow point.

Preferably, the upper end of the fixed transverse plate is provided with a rotary table, and the rotary table is fixedly connected with the worm wheel through a shaft.

Preferably, one side of the main ruler, which is far away from the fixed claw, is integrally connected with a fixed ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the position between the fixed claw and the first sliding claw is aligned with one end of the tubular part where the wire and cable insulation layer is positioned, and the position between the second sliding claw and the third sliding claw is aligned with the other end; and then adjusting the first sliding claw, the second sliding claw and the third sliding claw to enable the buffer cushion side of the first sliding claw, wherein the indication arrow on the third sliding claw is L1, the indication arrow on the first sliding claw is L2, the indication arrow on the second sliding claw is L3, and [ L1- (L3-L2) ]/2 is the thickness of the insulating layer.

2. In the utility model, the rotating turntable drives the worm wheel to rotate synchronously, and the first sliding claw slides along the main ruler under the rotation action of the worm wheel along the connecting worm, so that the buffer cushion is attached to the insulating layer; instead of utilizing manual slip adjustment, more can accurate grasp the regulating variable, avoid adjusting too violently to cause extrusion deformation to the insulating layer, and the regulative mode is simple, the operation of being convenient for.

Drawings

Fig. 1 is a front view of the device for measuring insulation thickness of electric wire and cable convenient to operate according to the present invention;

fig. 2 is a schematic top view of the main scale of the present invention;

fig. 3 is a schematic perspective view of a first sliding jaw of the present invention;

fig. 4 is a schematic view of a connection structure of the first sliding jaw and the indication arrow of the present invention.

In the figure: 1. a main scale; 2. a stationary ring; 3. a fixed jaw; 4. a first sliding jaw; 5. a second sliding jaw; 6. a third sliding jaw; 7. a cushion pad; 8. a limiting chute; 9. a dial gauge; 10. a middle sliding groove; 11. connecting a worm; 12. fixing the transverse plate; 13. an L-shaped sliding plate; 14. measuring a claw; 15. slotting; 16. a worm gear; 17. a turntable; 18. a fixing plate; 19. an arrow is indicated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment of: a wire and cable insulation thickness measuring device convenient to operate comprises a main ruler 1, wherein a fixing ring 2 is integrally connected to one side, far away from a fixing claw 3, of the main ruler 1, the fixing claw 3 is fixedly connected to one side, far away from the fixing claw 3, of the lower end of the main ruler 1, a first sliding claw 4, a second sliding claw 5 and a third sliding claw 6 are connected to the main ruler 1 in a sliding mode, the first sliding claw 4, the second sliding claw 5 and the third sliding claw 6 are sequentially arranged from one side, close to the fixing claw 3, to one side, far away from the fixing claw 3, of the main ruler 1, the first sliding claw 4 and the third sliding claw 6 are identical in structure, the upper structural direction of the first sliding claw 4 is identical in structure direction, the second sliding claw 5 and the third sliding claw 6 are symmetrically arranged in structure, the first sliding claw 4, the second sliding claw 5 and the third sliding claw 6 respectively comprise a measuring claw 14, the measuring claw 14 is flush with the lower end face of the fixing claw 3, the lower end, close to one side of the first sliding claw 4, the lower end, close to one side of the measuring claw 14, the second sliding claw 5 is connected with a buffer pad, one side, close to the lower end of the second sliding claw 4, far away from the lower end of the second sliding claw 6, close to one side, far away from the second sliding claw 7, far away from the second sliding claw 6, and one side, close to the second claw 4, of the second claw 6, of the first sliding claw 4, and the second claw 6 are connected with the lower end of the second sliding claw 4; the lower extreme of terminal surface is provided with the graduation apparatus 9 before the main scale 1, and the fixed jaw 3 is close to the plane of first sliding jaw 4 one side and is located same vertical face with the scale initiating terminal of graduation apparatus 9, avoids initial numerical value error.

Furthermore, the upper ends of the front and rear end surfaces of the main scale 1 are provided with a limiting sliding chute 8, the first sliding jaw 4, the second sliding jaw 5 and the third sliding jaw 6 also comprise a fixed transverse plate 12, the fixed transverse plate 12 is fixedly connected to the upper end of the measuring jaw 14, the front and rear ends of the lower end of the fixed transverse plate 12 are fixedly connected with an L-shaped sliding plate 13, and the protruding part of the L-shaped sliding plate 13 is connected along the limiting sliding chute 8 in a sliding manner; the middle sliding groove 10 is formed in the upper end face of the main ruler 1, the middle sliding groove 10 penetrates through the main ruler 1, the measuring claw 14 slides along the middle sliding groove 10, a connecting worm 11 is arranged at the front end inside the middle sliding groove 10, a groove 15 is formed in the position, corresponding to the middle sliding groove 10, of the front end face of the measuring claw 14, a worm wheel 16 is connected to the inside of the groove 15 in a rotating mode, the worm wheel 16 is meshed with the connecting worm 11, a rotary disc 17 is arranged at the upper end of a fixed transverse plate 12, the rotary disc 17 is fixedly connected with the worm wheel 16 through a shaft, the rotary disc 17 is rotated to drive the worm wheel 16 to rotate synchronously, under the rotating effect of the worm wheel 16 along the connecting worm 11, the first sliding claw 4 slides along the main ruler 1 to enable a cushion pad of the first sliding claw 4 to be attached to an insulating layer, the wire and cable are automatically clamped through adjustment of the first sliding claw 4, the second sliding claw 5 and the third sliding claw 6, and auxiliary operation of a second person is not needed.

Furthermore, the upper end of the side, close to the fixed jaw 3, of the L-shaped sliding plate 13 on the first sliding jaw 4, the upper end of the side, far away from the first sliding jaw 4, of the L-shaped sliding plate 13 on the second sliding jaw 5, and the upper end of the side, close to the second sliding jaw 5, of the L-shaped sliding plate 13 on the third sliding jaw 6 are all fixedly connected with a fixed plate 18, the lower end of the fixed plate 18 is integrally connected with an indication arrow 19, an indication tip of the indication arrow 19 is vertically flush with the attaching position of the electric wire and cable, the indication end of the indication arrow 19 is attached to the scale 9, the indication arrow 19 on the third sliding jaw 6 is measured to indicate that the number is L1, the indication arrow 19 on the first sliding jaw 4 is indicated that the number is L2, the indication arrow 19 on the second sliding jaw 5 is indicated that the number is L3, [ L1- (L3-L2) ]/2 is the thickness of the insulating layer, and the measured value is not directly measured, but obtained by using the subtraction distance between the inner surface and the outer surface of the insulating layer, so that the measured value is large and is not easy to measure wrong value.

The working principle is as follows: when in use, the position between the fixed claw 3 and the first sliding claw 4 is aligned with one end of the tubular part where the wire and cable insulation layer is positioned, and the position between the second sliding claw 5 and the third sliding claw 6 is aligned with the other end; the upper rotating disc 17 of the first sliding claw 4 is rotated to drive the worm wheel 16 to synchronously rotate, and under the rotating action of the worm wheel 16 along the connecting worm 11, the first sliding claw 4 slides along the main scale 1 until the cushion pads of the fixed claw 3 and the first sliding claw 4 are respectively attached to the inner and outer end surfaces of the insulating layer. And rotating the rotating discs 17 on the second sliding claw 5 and the third sliding claw 6 to enable the buffer pads of the second sliding claw 5 and the third sliding claw 6 to be respectively attached to the inner and outer end surfaces of the insulating layer.

An indicating arrow 19 on the third sliding jaw 6 is measured to indicate that the number is L1, an indicating arrow 19 on the first sliding jaw 4 is indicated to indicate that the number is L2, an indicating arrow 19 on the second sliding jaw 5 is indicated to indicate that the number is L3, and [ L1- (L3-L2) ]/2 is the thickness of the insulating layer, so that the measuring result is not influenced even if the insulating layer is pulled to deform into an oval shape in the measuring process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be convenient for operation wire and cable insulation thickness measuring device, includes main scale (1), its characterized in that: one side fixedly connected with stationary dog (3) of main scale (1) lower extreme, sliding connection has first sliding jaw (4), second sliding jaw (5) and third sliding jaw (6) on main scale (1), and first sliding jaw (4), second sliding jaw (5) and third sliding jaw (6) set gradually to the one side of keeping away from stationary dog (3) along the one side that is close to stationary dog (3), and first sliding jaw (4) and third sliding jaw (6) structure are the same, and second sliding jaw (5) and third sliding jaw (6) structure symmetry set up, first sliding jaw (4), second sliding jaw (5) and third sliding jaw (6) all include measuring claw (14), measure claw (14) and flush with the lower terminal surface of stationary dog (3), the lower extreme that stationary dog (3) are close to first sliding jaw (4) one side, the lower extreme that second sliding jaw (5) are close to stationary dog (3) one side, the lower extreme that second sliding jaw (5) are close to stationary dog (4) one side, measuring claw (14) are gone up on first sliding jaw (4) and the lower extreme that second sliding jaw (7) are close to third sliding jaw (6) one side are all connected with measuring claw (14).

2. A device for measuring the insulation thickness of electric wires and cables for facilitating the handling thereof according to claim 1, wherein: middle sliding tray (10) have been seted up to main scale (1) up end, and middle sliding tray (10) run through main scale (1), measure claw (14) and slide along middle sliding tray (10), the inside front end of middle sliding tray (10) is provided with connecting worm (11), it has seted up fluting (15) to measure claw (14) front end face and middle sliding tray (10) corresponding position, fluting (15) internal rotation is connected with worm wheel (16), and worm wheel (16) meshes with connecting worm (11).

3. A device for measuring the insulation thickness of electric wires and cables for facilitating the handling thereof according to claim 1, wherein: the upper end of the front end face and the rear end face of the main ruler (1) is provided with a limiting sliding chute (8), the first sliding claw (4), the second sliding claw (5) and the third sliding claw (6) further comprise a fixed transverse plate (12), the fixed transverse plate (12) is fixedly connected to the upper end of the measuring claw (14), the front end and the rear end of the lower end of the fixed transverse plate (12) are fixedly connected with an L-shaped sliding plate (13), and the protruding portion of the L-shaped sliding plate (13) is connected with the limiting sliding chute (8) in a sliding mode.

4. A device for measuring the insulation thickness of electric wires and cables for facilitating the handling thereof according to claim 3, wherein: the lower extreme of terminal surface is provided with graduation apparatus (9) before main scale (1), and the plane that stationary dog (3) are close to first sliding jaw (4) one side is located same vertical face with the scale initiating end of graduation apparatus (9), L shape sliding plate (13) are gone up in first sliding jaw (4) and are close to the upper end of stationary dog (3) one side, and L shape sliding plate (13) are gone up in second sliding jaw (5) keep away from the upper end of first sliding jaw (4) one side and L shape sliding plate (13) are close to the equal fixedly connected with fixed plate (18) in the upper end of second sliding jaw (5) one side on third sliding jaw (6), the lower extreme body coupling of fixed plate (18) has instruction arrow (19), and the instruction end and the graduation apparatus (9) laminating of instruction arrow (19).

5. A device for measuring the insulation thickness of electric wires and cables for facilitating the handling thereof according to claim 3, wherein: the upper end of the fixed transverse plate (12) is provided with a rotary table (17), and the rotary table (17) is fixedly connected with the worm wheel (16) through a shaft.

6. A device for measuring the insulation thickness of electric wires and cables for facilitating the handling thereof according to claim 1, wherein: one side of the main scale (1) far away from the fixed claw (3) is integrally connected with a fixed ring (2).