CN210614964U - Fixed-length rapid intercepting device for conducting wire - Google Patents

Abstract

The utility model discloses a quick intercepting device of wire fixed length, support fixed mounting is on the base, the main shaft is rotationally movable mounting on the support, is provided with annular baffle on the main shaft, is provided with the external screw thread on the main shaft, stop nut puts on the external screw thread of main shaft soon, is provided with the belt pulley on the main shaft, uide bushing fixed mounting is on the support be provided with the guide bar on the extension board, be provided with the limiting plate on the guide bar, this guide bar activity is worn to put in the uide bushing, the spring housing is put on the guide bar, and the both ends of spring support respectively and lean on limiting plate and uide bushing, the both ends of belt are fixed respectively on the extension board, and this belt housing is put in the belt pulley outside, the utility model discloses the advantage is: the wire is prevented from being loosened and bent, so that the measurement and interception precision is improved, and the device is simple in structure, low in manufacturing cost and very convenient to maintain and transport.

Description

Fixed-length rapid intercepting device for conducting wire

Technical Field

The utility model relates to a technical field of wire intercepting device, more specifically say so and relate to wire fixed length intercepting device's technical field.

Background

In the electric power construction process, wires with certain length are often required to be cut from a cable reel wound with the wires, the wires on the wire reel are pulled out for a certain distance by an operator, tools such as a tape measure are used for measuring the wires with the required length on the wires with the certain distance, and the wires with the required length are cut. Although some automatic wire intercepting devices in the market can intercept wires at fixed length, the devices are complex in structure, high in manufacturing cost, inconvenient to operate and troublesome to maintain and transport.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure just for solving above-mentioned not enough, use convenient operation, can effectively alleviate operation personnel's intensity of labour, improve electric power efficiency of construction's quick intercepting device of wire fixed length.

The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:

a lead fixed-length rapid intercepting device comprises a base, a paying-off mechanism, a cutting mechanism, a wire slot, a scale, a sliding block, a limiting cylinder, a first locking bolt, a second locking bolt and a third locking bolt, wherein the paying-off mechanism comprises a support, a main shaft, a limiting nut, a rotating shaft, a spring, a belt, a first pulley, a second pulley, a third pulley, a guide sleeve and a support plate, the support is fixedly arranged on the base, the main shaft is rotatably and movably arranged on the support, an annular baffle is arranged on the main shaft, an external thread is arranged on the main shaft, the limiting nut is screwed on the external thread of the main shaft, a belt pulley is arranged on the main shaft, the guide sleeve is fixedly arranged on the support, a guide rod is arranged on the support plate, a limiting plate is arranged on the guide rod, the guide rod is movably penetrated in the guide sleeve, and the spring is sleeved on the guide, the two end parts of the spring are respectively abutted against the limiting plate and the guide sleeve, the two end parts of the belt are respectively fixed on the support plate, the belt is sleeved outside the belt pulley, the first pulley is movably arranged on the support plate through a first support rod, the rotating shaft is rotatably and movably arranged on the base, the second pulley and the third pulley are respectively movably arranged on the base through a second support rod and a third support rod, the cutting mechanism comprises a support seat, a sliding seat, a motor, a saw blade and an adjusting screw rod, the support seat is fixedly arranged on the base, a limiting groove is arranged on the support seat, the sliding seat is movably clamped in the limiting groove of the support seat, a threaded hole is arranged on the support seat, the adjusting screw rod is rotatably arranged in the threaded hole, an annular clamping plate is arranged at the lower end part of the adjusting screw rod, a groove is arranged on the sliding seat, and the, the motor is fixedly mounted on the sliding seat, the saw blade is fixedly mounted on an output shaft of the motor, the wire slot is fixedly mounted on the base, the scale is fixedly mounted in the wire slot, a sliding groove is formed in the sliding block, the sliding block is movably clamped on the wire slot through the sliding groove, a positioning hole is formed in the sliding block, a first screw hole communicated with the positioning hole and a third screw hole communicated with the sliding groove are further formed in the sliding block, the first locking bolt is rotatably arranged in the first screw hole, the third locking bolt is rotatably arranged in the third screw hole, the limiting cylinder is fixedly mounted on the base, a second screw hole communicated with the interior of the limiting cylinder is formed in the limiting cylinder, and the second locking bolt is rotatably arranged in the second screw hole.

A hand wheel is arranged at the upper end part of the adjusting screw rod.

The cross section of the wire groove is U-shaped.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is: the wire spool wound with the wire is sleeved on the main shaft and limited by the annular baffle plate and the limiting nut, the wire on the wire spool is respectively wound on the rotating shaft, the second pulley, the first pulley and the third pulley, the wire passes through the limiting cylinder, the end part of the wire is clamped into the positioning hole, the end part of the wire is locked and fixed by the first locking bolt, then the sliding block is pulled to move along the line groove, the length of the wire to be intercepted is compared by the scale, when the length to be intercepted is reached, the sliding block is locked by the third locking bolt, the wire at the position of the limiting cylinder is locked by the second locking bolt, then the hand wheel is rotated to enable the sliding seat to move downwards along the limiting groove, the saw blade is driven to rotate by the motor to cut the wire, the fixed-length interception of the wire is realized, the operation is very convenient, and the interception operation can be completed by only one worker, effectively lightens the labor intensity of operators and improves the power construction efficiency. When the slider is at the in-process that removes, the wire has a decurrent effort to first pulley, the elasticity that drives the extension board and overcome the spring moves down, make belt and belt pulley break away from the contact, thereby make the main shaft can rotate the unwrapping wire, when the slider stop motion, the extension board return under the effect of spring, the belt compresses tightly with the belt pulley contact again, under the frictional resistance effect of belt and belt pulley, make main shaft stall, the wire reel stops the unwrapping wire, thereby make the wire can keep a comparatively tight state all the time at the unwrapping wire in-process, prevent that the wire from laxly bending, and then improved and measured the intercepting precision, and this simple structure, low in manufacturing cost, it is all very convenient to maintain and transport.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of C-C of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is a top cross-sectional view of FIG. 4;

FIG. 6 is a left side view of the slider of FIG. 4;

fig. 7 is a schematic view of the present invention in use.

Detailed Description

As shown in fig. 1, the device for rapidly cutting a fixed length of a wire comprises a base 1, a pay-off mechanism, a cutting mechanism, a wire groove 2, a scale 3, a slide block 4, a limiting cylinder 5, a first locking bolt 6, a second locking bolt 7 and a third locking bolt 42, as shown in fig. 2 and 3, the pay-off mechanism comprises a support 8, a main shaft 9, a limiting nut 10, a rotating shaft 11, a spring 12, a belt 13, a first pulley 14, a second pulley 15, a third pulley 16, a guide sleeve 17 and a support plate 18, the support 8 is fixedly arranged on the base 1, the main shaft 9 is rotatably and movably arranged on the support 8, an annular baffle plate 19 is arranged on the main shaft 9, an external thread 20 is arranged on the main shaft 9, the limiting nut 10 is rotatably arranged on the external thread 20 of the main shaft 9, a belt pulley 21 is arranged on the main shaft 9, the guide sleeve 17 is fixedly arranged on the support, the supporting plate 18 is provided with a guide rod 22, the guide rod 22 is provided with a limiting plate 23, the guide rod 22 is movably inserted in the guide sleeve 17, the spring 12 is sleeved on the guide rod 22, two end parts of the spring 12 respectively abut against the limiting plate 23 and the guide sleeve 17, two end parts of the belt 13 are respectively fixed on the supporting plate 18, the belt 13 is sleeved outside the belt pulley 21, the first pulley 14 is movably installed on the supporting plate 18 through a first supporting rod 24, the rotating shaft 11 is rotatably and movably installed on the base 1, and the second pulley 15 and the third pulley 16 are respectively movably installed on the base 1 through a second supporting rod 25 and a third supporting rod 26. As shown in fig. 4 and 5, the cutting mechanism includes a support 27, a slide seat 28, a motor 29, a saw blade 30 and an adjusting screw 31, the support 27 is fixedly mounted on the base 1, a limit groove 32 is formed on the support 27, the slide seat 28 is movably clamped in the limit groove 32 of the support 27, a threaded hole 33 is formed on the support 27, the adjusting screw 32 is screwed in the threaded hole 33, a hand wheel 34 is arranged at the upper end of the adjusting screw 31, an annular clamping plate 35 is arranged at the lower end of the adjusting screw 32, a groove 36 is formed on the slide seat 28, the adjusting screw 32 is movably clamped in the groove 36 through the annular clamping plate 35, the motor 29 is fixedly mounted on the slide seat 28, and the saw blade 30 is fixedly mounted on an output shaft 41 of the motor 29. As shown in fig. 6, the wire casing 2 is fixedly mounted on the base 1, the cross section of the wire casing 2 is U-shaped, the scale 3 is fixedly mounted in the wire casing 2, the sliding block 4 is provided with a sliding groove 37, the sliding block 4 is movably clamped on the wire casing 2 through the sliding groove 37, the sliding block 4 is provided with a positioning hole 38, the sliding block 4 is further provided with a first screw hole 39 communicated with the positioning hole 38 and a third screw hole 43 communicated with the sliding groove 37, the first locking bolt 6 is screwed in the first screw hole 39, and the third locking bolt 42 is screwed in the third screw hole 43. The limiting cylinder 5 is fixedly installed on the base 1, a second threaded hole 40 communicated with the inside of the limiting cylinder 5 is formed in the limiting cylinder 5, and the second locking bolt 7 is screwed in the second threaded hole 40.

As shown in fig. 7, the working principle and the using method of the device for quickly cutting the fixed length of the lead are as follows: the wire spool 45 wound with the wire 44 is sleeved on the main shaft 9 and limited by the annular baffle plate 19 and the limiting nut 10, the wire 44 on the wire spool 45 is respectively wound on the rotating shaft 11, the second pulley 15, the first pulley 14 and the third pulley 16, then the wire 44 passes through the limiting cylinder 5, the end part of the wire 44 is clamped in the positioning hole 38, the end part of the wire 44 is locked and fixed by the first locking bolt 6, then the sliding block 4 is pulled to move along the linear groove 2, the length of the wire 44 to be cut is compared by the scale 3, when the length to be cut is reached, the sliding block 4 is locked by the third locking bolt 42, the wire 44 at the limiting cylinder 5 is locked by the second locking bolt 7, then the hand wheel 34 is rotated to make the sliding seat 28 move downwards along the limiting groove 32, the saw blade 30 is driven by the motor 29 to rotate to cut the wire 44, the cut-to-length cutting of the wire 44 is achieved. When the slider 4 moves, the wire 44 has a downward acting force on the first pulley 14, and drives the support plate 18 to move downward against the elastic force of the spring 12, so that the belt 13 is separated from the belt pulley 21, and the main shaft 9 can rotate for paying off, when the slider 4 stops moving, the support plate 18 returns under the action of the spring 12, the belt 13 is contacted with the belt pulley 21 again for pressing, under the action of the frictional resistance between the belt 13 and the belt pulley 21, the main shaft 9 stops rotating, and the wire winding disc 45 stops paying off, so that the wire 44 can always keep a tight state in the paying off process, the wire 44 is prevented from being bent loosely, and the measurement and intercepting accuracy is improved.

Claims (3)

1. Quick intercepting device of wire fixed length, its characterized in that: the pay-off mechanism comprises a support, a main shaft, a limit nut, a rotating shaft, a spring, a belt, a first pulley, a second pulley, a third pulley, a guide sleeve and a support plate, wherein the support is fixedly arranged on the base, the main shaft is rotatably and movably arranged on the support, an annular baffle is arranged on the main shaft, an external thread is arranged on the main shaft, the limit nut is screwed on the external thread of the main shaft, a belt pulley is arranged on the main shaft, the guide sleeve is fixedly arranged on the support, a guide rod is arranged on the support plate, a limit plate is arranged on the guide rod, the guide rod is movably penetrated in the guide sleeve, the spring is sleeved on the guide rod, and two end parts of the spring are respectively abutted against the limit plate and the guide sleeve, the two ends of the belt are respectively fixed on the support plate, the belt is sleeved outside the belt pulley, the first pulley is movably arranged on the support plate through a first support rod, the rotating shaft is rotatably and movably arranged on the base, the second pulley and the third pulley are respectively movably arranged on the base through a second support rod and a third support rod, the cutting mechanism comprises a support, a sliding seat, a motor, a saw blade and an adjusting screw rod, the support is fixedly arranged on the base, a limit groove is arranged on the support, the sliding seat is movably clamped in the limit groove of the support, a threaded hole is arranged on the support, the adjusting screw rod is rotatably arranged in the threaded hole, an annular clamping plate is arranged at the lower end part of the adjusting screw rod, a groove is arranged on the sliding seat, the adjusting screw rod is movably clamped in the groove through the annular clamping plate, the motor is fixedly arranged on the sliding seat, and the saw blade is fixedly arranged, the measuring device comprises a base, a scale, a sliding block, a first locking bolt, a second locking bolt, a limiting barrel, a first threaded hole, a second threaded hole and a second threaded hole, wherein the base is fixedly arranged on the base, the scale is fixedly arranged in the line groove, the sliding block is provided with a sliding groove, the sliding block is movably clamped on the line groove through the sliding groove, the sliding block is provided with a positioning hole, the sliding block is further provided with the first threaded hole communicated with the positioning hole and the third threaded hole communicated with the sliding groove, the first locking bolt is screwed in the first threaded hole, the third locking bolt is screwed in the third threaded hole, the limiting barrel is fixedly arranged on the base, the limiting barrel is provided with the second threaded hole communicated.

2. A lead fixed-length rapid intercepting apparatus according to claim 1, wherein: a hand wheel is arranged at the upper end part of the adjusting screw rod.

3. The lead fixed-length rapid intercepting device according to claim 1 or 2, characterized in that: the cross section of the wire groove is U-shaped.

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