CN105576556B - Aluminium armor tape wrapping head - Google Patents

Abstract

The invention discloses an aluminum tape winding device, which comprises an upper mold, a lower mold and a positioning mechanism for positioning the upper mold and the lower mold. The aluminum strand is located between the upper mold and the lower mold; The first arc groove of the upper mold; the lower mold is provided with a second arc groove and a spiral guide groove for guiding the aluminum tape, the first arc groove and the second arc groove The bottom surfaces of the grooves are all concave cylindrical surfaces, and the second arc groove and the spiral guide groove form a coaxial stepped groove. The stepped groove is concentric with the first arc groove and abuts against both sides of the aluminum strand respectively. The aluminum tape winder of the present invention has a simple structure, the aluminum tape wound by the winder is evenly and tightly wound, and the aluminum tape is prevented from being superimposed on the aluminum strands.

Description

Aluminum Tape Winder

technical field

The invention belongs to the technical field of power line maintenance equipment, and in particular relates to an aluminum tape winder.

Background technique

In electric power construction, especially in transmission line construction, aluminum clad tape is widely used. When the line is connected with bolt-type strain clamps, suspension clamps or anti-vibration hammers, etc., and when the overhead distribution line is bound and connected with porcelain insulators, the lines often use aluminum stranded wires and soft busbars, that is, aluminum strands. In order not to damage the aluminum strands, it is necessary to wrap the aluminum tape at the corresponding position of the line.

The aluminum tape is usually made of a strip-shaped aluminum material with a width of 10mm and a thickness of 1-2mm. Before winding, the aluminum tape is a rolled aluminum tape. The center of the rolled aluminum tape is a hollow structure, forming a central hole. . When winding the aluminum tape, it is necessary to ensure that the aluminum tape is tightly wound without inter-turn overlap, and the winding is uniform. In addition, the winding direction of the line must be consistent with the direction of rotation of the aluminum strand.

At present, the winding of aluminum tape mainly adopts pure manual winding or winding with tools. The purely manual winding method has high requirements on the operating technology of the operators, and the manual winding is easy to cause uneven winding layers, resulting in the phenomenon of falling winding between turns; in addition, due to the certain hardness of the aluminum tape, manual winding is time-consuming and laborious, and high-altitude operations Difficulty is even worse; and existing tool (such as the disclosed aluminum tape winder among CN203545347U) has solved the problem that aluminum tape is carried, but can't solve the contradictory problem that aluminum tape is wound tightly and seamlessly and overlaps.

Contents of the invention

Aiming at the deficiencies in the prior art, the object of the present invention is to provide a new aluminum tape winder to prevent the occurrence of incomplete winding of aluminum tape, overlapping of aluminum tape and uneven winding.

To achieve the above object, the present invention adopts the following technical solutions:

An aluminum tape winding device comprises an upper die, a lower die and a positioning mechanism for positioning the upper die and the lower die, and the aluminum strand is located between the upper die and the lower die.

The upper mold is provided with a first circular arc groove that runs through the upper mold; the lower mold is provided with a second circular arc groove and a spiral guide groove for guiding the aluminum tape, and the first circular arc The bottom surfaces of the groove and the second arc groove are concave cylindrical surfaces, and the second arc groove and the spiral guide groove form a coaxial stepped groove, the stepped surface of the stepped groove is a helical surface, and the stepped groove Both ends of the lower die pass through, and the stepped groove is concentric with the first arc groove and respectively abuts against both sides of the aluminum strand.

The radii of the first arc groove and the second arc groove are equal and correspond to the outer diameter of the aluminum strand. The radius of the spiral guide groove corresponds to the sum of the outer diameter of the aluminum strand plus the thickness of the aluminum tape. The spiral guide The pitch of the groove corresponds to the width of the aluminum tape, and the space between the helical guide groove and the aluminum strand constitutes the deformation area for the winding of the aluminum tape, and the edge of one side of the aluminum tape abuts against the stepped surface of the stepped groove.

Further, the upper mold is provided with a positioning notch, the positioning notch and the spiral guide groove are located on the same helical track, the positioning notch runs through the upper mold, and the aluminum tape is screwed into the deformation area through the notch .

Further, the upper mold and the lower mold are detachably arranged on the positioning mechanism.

Further, the positioning mechanism includes a positioning seat, a first L-shaped block integrally arranged on the positioning seat, a second L-shaped block movable on the positioning seat, and used to fix the second L-shaped block on the The locking member on the positioning seat, the first L-shaped block and the second L-shaped block constitute a receiving groove for accommodating the upper mold and the lower mold; an inner right angle surface of the first L-shaped block is provided with There is a first dovetail groove, the upper mold is provided with a first dovetail projection that matches with the first dovetail groove; a second dovetail groove is provided on an inner right angle surface of the second L-shaped block, and the The lower die is provided with a second dovetail projection that matches the second dovetail groove, and the first dovetail groove and the second dovetail groove are arranged parallel to each other or coaxially; the positioning seat is provided with a second L-shaped In the third dovetail groove of the block, a third dovetail projection matched with the third dovetail groove is provided on the second L-shaped block, and the third dovetail groove is parallel to the first dovetail groove.

Further, the locking member includes a bolt and a lock nut corresponding to the bolt, the positioning seat is provided with a first through hole, and the third dovetail protrusion is provided with a second through hole, and the bolts are sequentially passed through In the first through hole and the second through hole and locked with a lock nut.

Further, a handle arm is integrally provided on the positioning seat.

Further, the arm is provided with an installation shaft for installing the rolled aluminum tape, the installation shaft runs through the central hole of the rolled aluminum tape, and the end of the installation shaft is provided with a handle to prevent the rolled aluminum tape from slipping. Anti-loosening nut.

Further, the positioning seat is provided with an anti-rotation slot for preventing the twisting of the aluminum tape, and the aluminum tape is engaged in the anti-rotation slot.

Further, the positioning mechanism includes an upper plate disposed above the upper die, a lower plate disposed below the lower die, a double-ended screw for connecting the upper plate and the lower plate, and a first nut located outside the upper plate . A second nut located outside the lower plate, the upper plate and the lower plate are parallel to each other, and the double-ended screw runs through the upper plate and the lower plate.

Further, a compression spring is threaded on the double-ended screw, and the compression spring is located between the first nut and the upper plate or between the second nut and the lower plate.

Compared with the prior art, the present invention has the following beneficial effects:

The aluminum tape winder of the invention has a simple structure, the aluminum tape wound by the winder is evenly and tightly wound, and the aluminum tape is prevented from being superimposed on the aluminum strands.

Description of drawings

Fig. 1 is the working state figure of the present invention;

Fig. 2 is the sectional view of Fig. 1;

Fig. 3 is the structural representation of embodiment one;

Fig. 4 is a schematic structural view of the upper mold in Fig. 3

Fig. 5 is the structural representation of lower die in Fig. 3;

Fig. 6 is an integral molding diagram of the positioning seat and the first L-shaped block in Fig. 3;

Fig. 7 is a schematic structural view of the second L-shaped block in Fig. 3;

Fig. 8 is a schematic structural diagram of the second embodiment of Fig.

Among them, 1-upper mold, 2-lower mold, 3-aluminum strand, 4-positioning mechanism, 5-aluminum tape, 6-rolled aluminum tape, 11-the first arc groove, 12-the first dovetail Protrusion, 13-positioning notch, 21-second arc groove, 22-spiral guide groove, 23-step surface, 24-second dovetail bump, 41-positioning seat, 42-first L-shaped block , 43 - the second L-shaped block, 45 - the arm, 46 - the installation shaft, 47 - the anti-loosening nut, 411 - the third dovetail groove, 412 - the first through hole, 413 - the anti-rotation card slot, 421 - the first 1 dovetail groove, 431-second dovetail groove, 432-third dovetail bump, 433-second through hole, 441-bolt, 442-lock nut, 7-upper plate body, 8-lower plate body, 9- Double-ended screw rod, 10-compression spring, 91-the first nut, 92-the second nut.

Detailed ways

In order to achieve the above object of the present invention, the present invention adopts the following technical solutions.

Embodiment one

The aluminum tape winder in the present embodiment, as shown in Figure 1, comprises upper mold 1, lower mold 2 and the positioning mechanism 4 for positioning upper mold 1 and lower mold 2, and aluminum strand 3 is positioned at upper mold 1 and lower mold Die 2 between.

Wherein, the upper mold 1 is provided with a first arc groove 11 that runs through the upper mold 1; the lower mold 2 is provided with a second arc groove 21 and a spiral guide groove 22 for guiding the aluminum tape 5, the second The bottom surfaces of the first arc groove 11 and the second arc groove 21 are concave cylindrical surfaces, and the second arc groove 21 and the spiral guide groove 22 form a coaxial stepped groove, and the stepped surface 23 of the stepped groove is a spiral On the surface, both ends of the stepped groove pass through the lower mold 2, and the stepped groove is concentric with the first arc groove 11 and respectively abuts on both sides of the aluminum strand 3. At this time, the helical guide groove 22 is also in the form of a concave cylindrical surface, and the helical surface separates the helical guide groove 22 and the second arc groove 21 into two arc surfaces with different radii.

In order to ensure tight winding and no overlap, the following conditions must be met:

The radius R1 of the first arc groove 11 and the radius R2 of the second arc groove 21 are equal and correspond to the outer diameter R of the aluminum strand, and the correspondence here refers to R1=R2, and R1 and R2 are equal to or slightly larger than R;

The radius R3 of the spiral guide groove 22 corresponds to the sum of the outer diameter R of the aluminum strand plus the thickness t of the aluminum tape, and the correspondence here means that R3 is equal to or slightly greater than R+t;

The pitch P of the spiral guide groove corresponds to the width B of the aluminum tape. The correspondence here means that the pitch P of the spiral guide groove is proportional to the width B of the aluminum tape. The ratio is determined by the outer diameter R3 of the spiral guide groove. At this time, The winder rotates once, and the aluminum tape is wound with it for one circle, and the axial displacement of the winder along the aluminum strand is exactly the pitch P.

In this embodiment, the space between the helical guide groove 22 and the aluminum strand 3 constitutes the deformation area for the winding of the aluminum tape, and the edge of one side of the aluminum tape abuts against the stepped surface 23 of the stepped groove.

When working, first manually wind two turns of the aluminum tape on the aluminum strand, and leave the winding length; then, place the upper die 1 and the lower die 2 on both sides of the aluminum strand 3, so that the aluminum tape 5 side to be wound The edge is attached to the stepped surface 23, the aluminum tape is tensioned, and the upper mold 1 and the lower mold 2 are fixed by the positioning mechanism 4; finally, the winder is rotated so that the winder rotates around the aluminum strand 3, and the aluminum tape Under the interaction with the winder, the winder drives the aluminum tape to wind on the aluminum strand 3, and performs spiral feeding along the spiral guide groove 22. During the rotation, the aluminum tape 5 needs to be stretched to ensure that its edge fits on the On the stepped surface 23; after winding to the marked position, cut off the aluminum tape and take off the winder. In the specific implementation process, since the winding direction of the aluminum tape should be consistent with the direction of rotation of the outer layer of aluminum strands 3 , the direction of rotation of the spiral guide groove 22 is determined by the direction of rotation of the aluminum strands 3 .

In this embodiment, the upper mold 1 and the lower mold 2 are detachably arranged on the positioning mechanism 4 . Specifically, the positioning mechanism 4 includes a positioning seat 41, a first L-shaped block 42 integrally arranged on the positioning seat 41, a second L-shaped block 43 movable on the positioning seat 41, and a second L-shaped block 43 for positioning the second The L-shaped block 43 is fixed on the locking member on the positioning seat 41 , and the first L-shaped block 42 and the second L-shaped block 43 form a receiving groove for accommodating the upper mold 1 and the lower mold 2 .

Specifically, a first L-shaped block 42 is provided with a first dovetail groove 421 on an inner right angle surface, and the upper mold 1 is provided with a first dovetail protrusion 12 matched with the first dovetail groove 421; the second L-shaped A second dovetail groove 431 is provided on an inner right-angle surface of the block body 43, and a second dovetail projection 24 cooperating with the second dovetail groove 431 is provided on the lower die 2. The first dovetail groove 421 and the second dovetail groove 431 They are arranged parallel or coaxial with each other; the positioning seat 41 is provided with a third dovetail groove 411 for installing the second L-shaped block 43, and the second L-shaped block 43 is provided with a third dovetail groove 411 matched with the third L-shaped block. The dovetail protrusion 432 and the third dovetail groove 411 are parallel to the first dovetail groove 421 . The locking member includes a bolt 441 and a lock nut 442 corresponding to the bolt 441. The positioning seat 41 is provided with a first through hole 412, and the third dovetail protrusion 432 is provided with a second through hole 433. The bolts 441 pass through in turn. It is arranged in the first through hole 412 and the second through hole 433 and locked by a locking nut 442 .

When it is necessary to wind the aluminum tape 5, only the locking nut 442 needs to be loosened, and then the second L-shaped block 43 is moved along the third dovetail groove 411 to move away from the first L-shaped block 42. At this time, the upper The distance between the mold 1 and the lower mold 2 is adjustable; then slide the upper mold 1 and the lower mold 2 so that they are respectively placed on both sides of the aluminum strand 3, and the aluminum strap 5 is attached to the stepped surface 23; finally, Use lock nut 442 to lock. After the winding of the aluminum strap 5 is completed, the lock nut 442 is loosened, and the winder can be removed.

The positioning mechanism of this embodiment has a simple structure, and the positioning mechanism 4 only needs to control the locking nut 442 to complete the disassembly and assembly of the winder, which is convenient to operate; in addition, the upper mold 1 and the lower mold 2 use the first dovetail groove 421 and the second The two dovetail grooves 431 can be disassembled. When winding aluminum strands 3 with different outer diameters, only the upper mold 1 and the lower mold 2 need to be replaced, which reduces the cost. In the specific implementation process, the first L-shaped block body 42 and the second L-shaped block body 43 may not be provided, and the upper mold is directly integrated on the positioning seat, and then a dovetail groove and a dovetail protrusion are provided between the lower mold and the positioning seat. block, and then use bolts to lock the lower mold on the positioning seat. This method can also realize the connection, but it is not interchangeable. For aluminum strands with different outer diameters, all parts need to be reprocessed, which is not conducive to reducing costs.

As an improvement of the above scheme, the upper mold 1 is provided with a positioning notch 13, the positioning notch 13 and the spiral guide groove 22 are located on the same helical track, the positioning notch 13 runs through the upper mold 1, and the aluminum tape 5 passes through The positioning notch 13 notch is screwed into the deformation zone. The positioning notch 13 can ensure that the edge of the aluminum tape 5 that enters the deformation area is attached to the step surface 23, and there is no need to manually control the edge of the aluminum tape to abut against the step surface, which further ensures that the aluminum tape that has been wrapped There is no gap and no overlap between them, and the winding is more uniform and reliable.

As an improvement of the above solution, a handle arm 45 is integrally provided on the positioning seat 41 . The handle arm 45 increases the force arm in the winding process, reduces the force required for winding the aluminum tape 5, and makes the winder more convenient and labor-saving to use.

As an improvement of the above-mentioned scheme, the arm 45 is provided with an installation shaft 46 for installing the coiled aluminum tape 5, the installation shaft 46 runs through the center hole of the coiled aluminum tape 5, and the end of the installation shaft 46 is provided to prevent The anti-off nut 47 that coiled aluminum bag band 5 slides off. At this time, in the process of rotating the winder, the coiled aluminum tape 5 also rotates with it, preventing the aluminum tape 5 from knotting, and it is more convenient to use.

As an improvement of the above solution, the positioning seat 41 is provided with an anti-rotation slot 413 for preventing the aluminum tape 5 from twisting, and the aluminum tape 5 is engaged in the anti-rotation slot 413 . When the anti-rotation slot is provided, the track of the aluminum tape is from the coiled aluminum tape 6 to the anti-rotation slot 413, and then passes through the positioning notch 13 of the upper mold 1, and enters the deformation area after winding half a circle along the outer wall of the aluminum strand 3 . The anti-rotation card slot 413 makes the aluminum tape 5 smoother during winding, and the winding effect is better.

Embodiment two

In this embodiment, the positioning mechanism is different from that in Embodiment 1. The positioning mechanism of this embodiment includes an upper plate body 7 arranged above the upper mold, a lower plate body 8 arranged below the lower mold, and is used to connect the upper plate body and the lower plate body. The double-ended screw rod 9 of the plate body, the first nut 91 located outside the upper plate body, and the second nut 92 located outside the lower plate body, the upper plate body and the lower plate body are parallel to each other, and the double-ended screw rod runs through the upper plate body body and lower body.

When working, the upper mold and the lower mold are locked between the upper plate body and the lower plate body by using the first nut, the second nut and the double-ended screw rod. When disassembling, the screw rod needs to be completely removed.

In this embodiment, a compression spring 10 is pierced on the double-ended screw, and the compression spring is located between the first nut and the upper plate or between the second nut and the lower plate, which can prevent the nut from loosening and ensure that the upper mold and the lower plate Molded tightly on both sides of the aluminum strands.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (10)

1. A kind of 1. aluminium armor tape wrapping head, it is characterised in that：Including upper die and lower die and for positioning the localization machines of upper die and lower die Structure, aluminium stock is between upper die and lower die；

   The upper mold is equipped with the first arc groove through upper mold；The lower die is equipped with the second arc groove and for aluminium The spiral guide slot that band is oriented to, the bottom surface of first arc groove and the second arc groove are recessed cylinder, and described second Arc groove and spiral guide slot form coaxial stepped groove, and the cascaded surface of the stepped groove is helicoid, and the two of the stepped groove Lower die is run through at end, and the stepped groove is concentric with the first arc groove and abuts in the both sides of aluminium stock respectively；

   The radius of first arc groove and the second arc groove is equal and corresponding with the radius of aluminium stock, the spiral guide slot Radius corresponds to aluminium stock radius and adds the sum of aluminium armor tape thickness, and the pitch of the spiral guide slot corresponds to aluminium armor tape width, described spiral Space between guide groove and aluminium stock forms the Wrapping formed deformed region of aluminium armor tape, and the edge of aluminium armor tape side abuts in ladder On the cascaded surface of groove.
2. 2. aluminium armor tape wrapping head according to claim 1, it is characterised in that：The upper mold is equipped with locating notch, this is fixed Position notch and spiral guide slot are respectively positioned on the track of same helix, and the locating notch runs through upper mold, and aluminium armor tape passes through this Notch screws in deformed region.
3. 3. aluminium armor tape wrapping head according to claim 2, it is characterised in that：The upper die and lower die are removably arranged on On detent mechanism.
4. 4. aluminium armor tape wrapping head according to claim 3, it is characterised in that：The detent mechanism includes positioning seat, one The first L-type block for being arranged on positioning seat, the second L-type block for being movably disposed at positioning seat, for by the second L-type block Body is fixed on the locking member on positioning seat, and the first L-type block and the second L-type block form the receiving for being used for accommodating upper die and lower die Groove；

   Right-angle surface is equipped with the first dovetail groove in the one of the first L-type block, and the upper mold is equipped with and first dovetail groove The the first dovetail convex block coordinated；

   Right-angle surface is equipped with the second dovetail groove in the one of the second L-type block, and the lower die is equipped with and second dovetail groove The the second dovetail convex block coordinated, first dovetail groove and the second dovetail groove are parallel to each other or are coaxially disposed, on the positioning seat Equipped with the 3rd dovetail groove for installing the second L-type block, the second L-type block is equipped with and the 3rd dovetail groove the matched 3rd Dovetail convex block, the 3rd dovetail groove is parallel to the first dovetail groove.
5. 5. aluminium armor tape wrapping head according to claim 4, it is characterised in that：The locking member include bolt and with the bolt Corresponding locking nut, the positioning seat are equipped with first through hole, the second through hole on the 3rd dovetail convex block, the bolt according to It is secondary to be threaded through in first through hole and the second through hole and locked using locking nut.
6. 6. aluminium armor tape wrapping head according to claim 4, it is characterised in that：Handle has been wholely set on the positioning seat Arm.
7. 7. aluminium armor tape wrapping head according to claim 6, it is characterised in that：The handle arm, which is equipped with, to be used to install web-like The installation axle of aluminium armor tape, the installation axle run through the centre bore of the web-like aluminium armor tape, which, which is equipped with, prevents web-like aluminium The screwed retaining ring that band slides.
8. 8. aluminium armor tape wrapping head according to claim 7, it is characterised in that：The positioning seat, which is equipped with, prevents aluminium armor tape from turning round The anti-rotation card slot turned, aluminium armor tape are fastened in the anti-rotation card slot.
9. 9. aluminium armor tape wrapping head according to claim 1, it is characterised in that：The detent mechanism includes being arranged in upper mold Side upper plate body, be arranged on below lower die lower body, the double threaded screw for connecting upper plate body and lower body, positioned at upper plate body First nut in outside, the second nut on the outside of lower body, the upper plate body and lower body are parallel to each other, the double end spiral shell Bar runs through upper plate body and lower body.
10. 10. aluminium armor tape wrapping head according to claim 9, it is characterised in that：Compression bullet is equipped with the double threaded screw Spring, the compression spring is between the first nut and upper plate body or between the second nut and lower body.