CN116207551B - A narrow base cable terminal tower cable connection locker - Google Patents

Abstract

The invention discloses a cable connection locking device for a narrow-base cable terminal tower, which relates to the technical field of cable installation and connection, and comprises: a semicircular first fastener, on which a plurality of arc-shaped distribution are slid along the radial direction The first locking block; the arc-shaped second fastener, on which a plurality of arc-shaped second locking blocks are slid in the radial direction, and the second fastener is coaxially rotated and connected to the circumference of the first fastener On the side, in the rotation stroke of the second fastener, there is a loosening station completely overlapping with the first fastener and an interlocking station surrounded by the first fastener; the interlocking mechanism is assembled as a During the rotation of the two fasteners from the release station to the interlock station, each first locking block and each second locking block can be synchronously and centripetally closed to lock and clamp the cable. The invention provides a narrow-base cable terminal tower cable connection locker, which can be adapted to the rigid connection and locking of various diameters of high-strength cables, and is especially suitable for the connection of narrow-base cable terminal tower cables.

Description

A narrow base cable terminal tower cable connection locker

technical field

The invention relates to the technical field of cable installation and connection, in particular to a cable connection locker for a narrow base cable terminal tower.

Background technique

The cable connection locker belongs to a kind of cable clamp, which is used to clamp the terminal of the cable and connect it to the cable terminal tower. In some cases, it can also be applied to the connection between the cable tightener and the cable terminal.

The publication number is CN204376359U, and the Chinese patent titled "a 110kV fully prefabricated dry-type outdoor cable terminal fixing device" includes a bracket and a hoop; the bracket includes an integrally connected first connecting plate, a second connecting plate, a riser and Side boards; the first connecting board and the second connecting board have the same structure; the vertical boards are provided with the same two pieces; the side boards are horizontally arranged elongated board parts and are provided with the same two pieces; the hoop includes the first clip Holding plate, the second clamping plate, connecting plate, the first connecting bolt and the second connecting bolt; the structure of the first clamping plate and the second clamping plate is the same, the second clamping plate is connected with The upper end surface is fixedly connected; the first and second connecting bolts are respectively provided with 2, the first connecting bolt is used for fixedly connecting the first clamping plate and the second clamping plate; the second connecting bolt is used for fixed installation during use . The utility model has the advantages of simple structure, convenient carrying, installation and use, and can effectively prevent the occurrence of cable breakdown after use and ensure the safety of power supply.

The publication number is CN212063444U, the Chinese patent titled "leakage cable clamp", which includes: a base and a clamping mechanism installed on the base; The mechanism includes: a first clamping arm and a second clamping arm forming a clamping space with the first clamping arm, the first clamping arm is fixed on the base, and one end of the first clamping arm is pivotally connected to one end of the second clamping arm , the other end is selectively engaged with the other end of the second clamping arm through an engaging mechanism; the engaging mechanism includes: an engaging structure and a limiting structure. The leakage cable clamp can firmly hold the leakage cable that needs to be installed and fixed. At the same time, the clamping mechanism it has is selectively engaged by the engaging mechanism, which can facilitate the engaging of the clamping mechanism and prevent the two clamping arms from being disengaged.

In the prior art such as the above-mentioned patents, the cable terminal clamp is usually a clamping hoop to clamp the cable. Although the soft hoop can lock cables of various diameters, it is easy to deform and not rigid enough. It is almost impossible to connect the cable terminal with high tension. Rigid hoop has the characteristics of not easy to realize and high strength. It is suitable for the connection of cable terminal with high tension. The function of the diameter number of the cable.

Contents of the invention

The object of the present invention is to provide a cable connection locking device for a narrow-based cable terminal tower, so as to solve the above-mentioned deficiencies in the prior art.

In order to achieve the above object, the present invention provides the following technical solution: a narrow-base cable terminal tower cable connection locker, comprising: a semicircular first fastener, on which a plurality of arc-shaped The first locking block; the arc-shaped second fastener, on which a plurality of arc-shaped second locking blocks are slid in the radial direction, and the second fastener is coaxially rotated and connected to the first fastener. On the peripheral side, in the rotation stroke of the second fastener, there is a loosening station completely overlapping with the first fastener and an interlocking station surrounded by the first fastener; the interlocking mechanism is assembled as a During the rotation of the second fastener from the release station to the interlock station, each first locking block and each second locking block can be synchronously and centripetally closed to lock and clamp the cable.

Further, the interlocking mechanism includes a first arc-shaped piece and a second arc-shaped piece, the first arc-shaped piece is coaxially rotatably connected to one end of the first buckle, and a plurality of first arc-shaped pieces are provided on the first arc-shaped piece. One chute, each first chute is slidingly connected with each first locking block in one-to-one correspondence; the second arc-shaped piece is coaxially rotatably connected to one end of the second fastener, and the second arc-shaped piece is provided with multiple a second chute, each second chute is slidingly connected with each second locking block one by one, the inclination of the second chute is equal to that of the first chute but the direction of inclination is opposite; the second fastener The other end of the first arc-shaped groove is provided with a first sliding part fixedly connected to the first arc-shaped part, and the first sliding part is slidably connected in the first arc-shaped groove; the other end of the first fastener is provided with a second In the arc-shaped slot, a second sliding part is fixedly connected to the second arc-shaped part, and the second sliding part is slidably connected in the second arc-shaped slot.

Further, a locking component is also included, and the locking component is assembled to be able to lock the second fastener at the interlocking station to the first fastener.

Further, the locking assembly includes: a wedge part, which is fixedly connected to one side of the second fastener; a sliding part, which is slidably connected to one side of the first fastener, and is interlocked when the second fastener approaches. During the process of the station, the sliding part can slide and abut against the wedge part during the sliding stroke; the bolt is threaded on the first fastener, and the bolt and the sliding part are rotated and slidably connected; the limit structure , which serves to limit the relative sliding between the slider and the bolt between a first position in which the slider avoids the wedge and a second position in which the slider blocks the wedge from following the second buckle On the stroke of rotation of the member; the elastic unit drives the sliding member to slide to the second position when it recovers its deformation.

Further, the limiting structure includes a limiting groove and a limiting ring, the limiting groove is opened on the slider, the limiting ring is fixedly connected to the bolt, and the limiting ring is movably arranged in the limiting groove.

Further, the elastic unit is a compression spring, which is movably sleeved on the bolt, one end of the compression spring abuts against the slider, and the other end abuts against the nut of the bolt.

Further, a connecting piece is provided on the sliding part.

Further, there is a connecting piece on the first fastener.

Further, anti-slip lines are provided on the inner sides of the first locking block and the second locking block.

Further, the first fastener is provided with a first through groove, and the first locking block is slidably embedded in the first through groove.

In the above technical solution, the present invention provides a narrow-base cable terminal tower cable connection locking device, which can drive the first locking blocks and the second locking blocks to close synchronously and centripetally by rotating the second fastener. In this way, the cables can be locked, which can be adapted to the rigid connection and locking of various diameters of high-strength cables, and is especially suitable for the connection of narrow-base cable terminal tower cables.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1-2 is the schematic structural view when the loosening station provided by the embodiment of the present invention;

Fig. 3-4 is the schematic structural view of the interlocking station provided by the embodiment of the present invention;

Fig. 5 is a schematic structural view of a loosening station provided by another embodiment of the present invention;

6-9 are structural schematic diagrams of interlocking stations provided by another embodiment of the present invention;

Figure 10 is an exploded view of the structure provided by another embodiment of the present invention;

Fig. 11 is a schematic structural view of a loosening station provided by yet another embodiment of the present invention;

12-13 are structural schematic diagrams of interlocking stations provided by yet another embodiment of the present invention.

Explanation of reference signs:

1. The first fastener; 2. The second fastener; 3. The first locking block; 4. The second locking block; 5. The first arc; 6. The second arc; 7. The first 8. The second chute; 9. The first sliding column; 10. The second sliding column; 11. The first arc-shaped groove; 12. The second arc-shaped groove; 13. The first sliding part; 14. The first 2. Sliding part; 15. Wedge-shaped part; 16. Slider; 17. Bolt; 18. Limiting slot; 19. Limiting ring; 20. Elastic unit; 21. Connecting piece.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

Please refer to Figures 1-13, a narrow base cable terminal tower cable connection lock provided by an embodiment of the present invention, including a semicircular first fastener 1, a curved second fastener 2 and an interlocking mechanism, Among them, the first fastener 1 is slidably provided with a plurality of arc-shaped first locking blocks 3 along the radial direction, and the second fastener 2 is provided with a plurality of arc-shaped second locks slid along the radial direction. Tight block 4, the second fastener 2 is coaxially rotatably connected on the peripheral side of the first fastener 1, and the second fastener 2 has a loosening station that completely overlaps with the first fastener 1 and is connected with the first fastener 1 in the rotation stroke. A fastener 1 encloses a circular interlocking station, and the interlocking mechanism is assembled so that when the second fastener 2 rotates from the loosening station to the interlocking station, each first locking block 3 and Each second locking block 4 is synchronously closed to lock and clamp the cable.

Specifically, the second fastener 2 is a circular member in a superior arc shape, that is, the arc is greater than a semicircle, and the minimum distance between the two arc-shaped ends of the second fastener 2 is not less than that between the inner walls of the first fastener 1, and the first The number of locking blocks 3 is at least 1, preferably, the number of first locking blocks 3 is 3-6, and each first locking block 3 is distributed in a circular array within the scope of the semicircle, and the second locking block The number of blocks 4 is preferably selected to correspond to the number of the first locking blocks 3, and when the second fastener 2 is at the interlocking station, each second locking block 4 and each first locking block 3 are basically relative to each other. The locked cables are symmetrically distributed in the center, and the locking effect on the cables is better. Specifically, the first fastener 1 is provided with a first slot, and the first locking block 3 is slidably embedded in the first slot; the second fastener 2 is provided with a first slot, and the second locking block 4 is slidably embedded in the first through groove. At the release station, each first locking block 3 is completely retracted into the corresponding first through groove, and the inner side of each second locking block 4 (one side of the lock clip cable) is completely retracted into the corresponding first channel. In the two-way groove, the inner peripheral side of the second fastener 2 and the outer peripheral side of the first fastener 1 are movably fitted or have a small gap. Both the inner sides of the first locking block 3 and the second locking block 4 are provided with anti-slip lines for increasing the frictional force between them and the cables. Specifically, the second fastener 2 and the first fastener 1 are coaxially rotatably connected, that is, a rotating structure is provided between the second fastener 2 and the first fastener 1, for example, an arc is provided on the outer peripheral side of the first fastener 1. Shaped chute, the inner peripheral side of the second fastener 2 is provided with a sliding pin sliding edge, and the arc-shaped sliding edge is slidably connected with the arc-shaped chute.

In the above technical solution, the present invention provides a narrow base cable terminal tower cable connection locking device, which puts the cable into the first fastener 1 when the second fastener 2 is at the release position, Turning the second fastener 2 can drive each first locking block 3 and each second locking block 4 to close synchronously, and then lock the second fastener 2 and the first fastener 1, such as screwing or The clamping can realize the locking of the cable connection, which can adapt to the rigid connection and locking of various diameters of large-strength cables, especially suitable for the connection of narrow-base cable terminal tower cables, and can withstand large cables. pull.

As a preferred technical solution of this embodiment, the interlocking mechanism includes a first arc-shaped piece 5 and a second arc-shaped piece 6, the first arc-shaped piece 5 is coaxially connected to one end of the first buckle 1, and the first arc-shaped piece The shaped part 5 is provided with a plurality of first chute 7, the inclination direction of the first chute 7 refers to the direction in which the center of the arc radiates outwards, each first chute 7 is connected with each first locking block 3 One-to-one sliding connection, specifically, the end of the first locking block 3 is fixedly connected with a cylindrical first sliding column 9, and the first sliding column 9 is slidingly connected in the length direction corresponding to the first chute 7. In the corresponding first chute 7; the second arc piece 6 is coaxially connected to one end of the second fastener 2, and the second arc piece 6 is provided with a plurality of second chute 8, each second chute The slots 8 are slidingly connected to the second locking blocks 4 in one-to-one correspondence. Specifically, the ends of the second locking blocks 4 are fixedly connected with a cylindrical second sliding column 10, and the second sliding column 10 is along the corresponding The length direction of the second chute 8 is slidably connected in the corresponding second chute 8; the inclination of the second chute 8 is equal to that of the first chute 7 but the direction of inclination is opposite; the other end of the second fastener 2 A first arc groove 11 is provided, and a first sliding part 13 is fixedly connected to the first arc part 5. The first sliding part 13 is slidably connected in the first arc groove 11, and the first sliding part 13 is on the first arc. One end of the first arc-shaped groove 11 can be blocked during the sliding stroke in the groove 11; the other end of the first fastener 1 is provided with a second arc-shaped groove 12, and the second arc-shaped member 6 is fixedly connected with a second The sliding part 14 , the second sliding part 14 is slidably connected in the second arc-shaped groove 12 , and the second sliding part 14 can be in contact with one end of the second arc-shaped groove 12 during a sliding stroke in the second arc-shaped groove 12 .

In this technical solution, the process of the second fastener 2 rotating from the loosening station to the interlocking station includes the following stages in turn: In the first stage, the second fastener 2 drives each second locking block 4 and the second arc The shape part 6 moves synchronously until the second sliding part 14 slides in the second arc-shaped groove 12 to abutting against one end of the second arc-shaped groove 12; in the second stage, the second fastener 2 continues to drive each second locking block 4 rotates together, the second arc-shaped part 6 cannot continue to move together with the second fastener 2, so each second locking block 4 slides against the corresponding second chute 8 through the second sliding column 10 on it. so that the second locking block 4 slides relative to the second fastener 2 toward the center of the circle of the second fastener 2 while synchronously rotating with the second fastener 2. In this process, each second locking block 4 The compound movement is synchronous until the inner side of each second locking block 4 (one side of the locking clip cable) and the inner side of each first locking block 3 (one side of the locking clip cable) are located in the same virtual circle On the circumference of the virtual circle, the virtual circle is coaxial with the first fastener 1 and the second fastener 2. At this time, the first sliding part 13 just slides to the end of the first arc-shaped groove 11 and the end stop of the first arc-shaped groove. In the third stage, the second fastener 2 continues to drive the second locking blocks 4 to rotate together, and will also drive the first arc-shaped parts 5 to rotate together. On the one hand, the second locking blocks 4 pass through the first The two sliding columns 10 continue to slide and abut against the corresponding second chute 8, so that each second locking block 4 moves toward the second fastener relative to the second fastener 2 while synchronously rotating with the second fastener 2. 2 slides in the direction of the center of the circle, and on the other hand, the first arc-shaped member 5 slides and abuts with the first sliding column 9 of each first locking block 3 through each first chute 7 on it, so that each first A locking piece 3 slides toward the center of the first fastener 1 relative to the first fastener 1, so that each first locking piece 3 and each second locking piece 4 are synchronously closed to lock and clamp the cable until The second fastener 2 moves to the interlocking station to lock the cable connection. At this stage, the inner side of each second locking block 4 and the inner side of each first locking block 3 are always located on the same circumference.

In another embodiment provided by the present invention, referring to Fig. 5-10, on the basis of the previous embodiment, a locking assembly is also included, and the locking assembly is assembled so that the second fastener 2 located at the interlocking station Lock onto the first fastener 1. As a preferred technical solution, the locking assembly includes a wedge-shaped part 15, a sliding part 16, a bolt 17, a stop structure and an elastic unit 20, wherein the wedge-shaped part 15 is fixedly connected to one side of the second fastener 2, and the sliding part 16 slides It is connected to one side of the first fastener 1, and the sliding direction is parallel to the axial direction of the first fastener 1. When the second fastener 2 approaches the interlocking station, the sliding stroke of the slider 16 can be The wedge-shaped part 15 slides and abuts, and the bolt 17 is screwed on the first fastener 1, and the axial direction of the screw is parallel to the axial direction of the first fastener 1, and the bolt 17 and the sliding member 16 are rotated and slidably connected, that is, The bolt 17 is movably passed through the sliding member 16, and the limit structure is used to limit the relative sliding between the sliding member 16 and the bolt 17 between the first position and the second position, and the sliding member 16 avoids the wedge-shaped part 15 at the first position In the second position, the sliding member 16 is blocked on the stroke of the wedge portion 15 following the rotation of the second fastener 2 , and the elastic unit 20 drives the sliding member 16 to slide to the second position when the elastic unit 20 resumes deformation.

As a preferred technical solution of this embodiment, the limiting structure includes a limiting groove 18 and a limiting ring 19, the limiting groove 18 is set on the slider 16, the limiting ring 19 is fixedly connected to the bolt 17, and the limiting ring 19 is movable Arranged in the limiting groove 18 , the limiting ring 19 can slide and rotate in the limiting groove 18 . Preferably, the elastic unit 20 is a compression spring, and the compression spring is movably sleeved on the bolt 17 . One end of the compression spring abuts against the slider 16 , and the other end abuts against the nut of the bolt 17 .

In this embodiment, when the second fastener 2 is rotated from the loosening station to the approaching interlocking station, one side of the wedge-shaped part 15 is pressed against one side of the sliding part 16, and at this time, the wedge-shaped part 15 and the sliding part At least one of the contacting parts of 16 is an arc or an inclined surface, so that the slider 16 overcomes the elastic force of the elastic unit 20 and slides to the first position to avoid the wedge-shaped part 15. When the wedge-shaped part 15 passes through the slider 16 smoothly, the elastic unit 20 The elastic force is released, so that the slider 16 slides toward the second position, and the other side of the slider 16 is pressed against the other side of the wedge-shaped part 15, and at least one of the parts of the wedge-shaped part 15 in contact with the slider 16 is arc surface or inclined surface, so that the pre-locking between the second fastener 2 and the first fastener 1 is very conveniently realized, that is, the cable is pre-clamped, and then by rotating the bolt 17, the screw passes through the limit The structure drives the slider 16 to slide in the direction close to the second fastener 2, so that the slider 16 increases the extrusion force on the wedge-shaped part 15, so that the wedge-shaped part 15 drives the second fastener 2 to continue to rotate relative to the first fastener 1 Locking, so that each first locking block 3 and each second locking block 4 further synchronously move centripetally to lock the cable. For the lock clips of cables with different diameters, it is only necessary to change the screw-in depth of the helix. Another function of the compression spring is that after the cable is clamped, the cable connection locker of the present invention will vibrate due to the shaking of the cable, and the compressed compression spring can weaken or even prevent the bolt 17 from being damaged due to vibration. loose, so that the present invention can always provide sufficient locking force for the cable.

As a preferred technical solution of the present invention, the first fastener 1 has a connecting piece 21 for connecting to an insulator of a narrow base cable terminal tower or other fixed foundations.

In yet another embodiment provided by the present invention, referring to Figs. 11-13, on the basis of the above-mentioned second embodiment, a connecting piece 21 is provided on the sliding part, specifically, there is a semicircular member on the sliding part, the A multi-point sliding connection is made between the component and the peripheral side of the first fastener 1 to increase the strength. The connecting piece 21 is used to connect to the insulator of the narrow-base cable terminal tower or other fixed foundations. After the cable terminal is clamped , the tension of the cable acts on the first fastener 1 and the second fastener 2 through the first locking block 3 and the second locking block 4, and the direction of the pulling force is from the second fastener 2 to the slider 16 Direction, that is, the direction of arrow F in accompanying drawing 13. In this way, after the terminal of the cable is clamped, the pulling force of the cable on the second fastener 2 will cause the second fastener 2 and the bolt 17 . The limit ring 19 has a tendency to slide relative to the slider 16, and under the sliding contact between the wedge-shaped part 15 and the slider 16, the second fastener 2 has a tendency to rotate and lock relative to the first fastener 1, so that The cable is "tighter and tighter", and the tension of the cable brings greater clamping force to the cable terminal, so that the cable terminal is clamped more tightly by the lock.

Certain exemplary embodiments of the present invention have been described above only by way of illustration, and it goes without saying that those skilled in the art can use various methods without departing from the spirit and scope of the present invention. The described embodiments are modified. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims (10)

1. A narrow base cable termination tower cable connection locker comprising:

a semicircular first fastener (1) is provided with a plurality of first locking blocks (3) distributed in an arc shape in a sliding way along the radial direction;

the second fastener (2) is in a major arc shape, a plurality of second locking blocks (4) which are distributed in an arc shape are arranged on the second fastener in a sliding way along the radial direction, the second fastener (2) is coaxially and rotatably connected to the peripheral side of the first fastener (1), and a loosening station which is completely overlapped with the first fastener (1) and an interlocking station which is encircled with the first fastener (1) are arranged in the rotation stroke of the second fastener (2);

the interlocking mechanism is assembled to drive each first locking block (3) and each second locking block (4) to synchronously and centripetally close to lock and clamp the cable in the process that the second fastener (2) rotates from the loosening station to the interlocking station.

2. The narrow-base cable terminal tower cable connection locker according to claim 1, wherein the interlocking mechanism comprises a first arc-shaped piece (5) and a second arc-shaped piece (6), the first arc-shaped piece (5) is coaxially and rotatably connected to one end of the first fastener (1), a plurality of first inclined grooves (7) are formed in the first arc-shaped piece (5), and each first inclined groove (7) is in sliding connection with each first locking block (3) in a one-to-one correspondence manner; the second arc-shaped piece (6) is coaxially and rotatably connected to one end of the second fastener (2), a plurality of second inclined grooves (8) are formed in the second arc-shaped piece (6), the second inclined grooves (8) are in one-to-one corresponding sliding connection with the second locking blocks (4), and the inclination angles of the second inclined grooves (8) and the first inclined grooves (7) are equal but opposite; the other end of the second fastener (2) is provided with a first arc-shaped groove (11), a first sliding part (13) is fixedly connected to the first arc-shaped piece (5), and the first sliding part (13) is slidably connected in the first arc-shaped groove (11); the other end of the first fastener (1) is provided with a second arc-shaped groove (12), a second sliding part (14) is fixedly connected to the second arc-shaped piece (6), and the second sliding part (14) is slidably connected in the second arc-shaped groove (12).

3. A narrow base cable termination tower cable connection locker according to claim 2, further comprising a locking assembly arranged to lock the second fastener (2) at the interlocking station to the first fastener (1).

4. A narrow base cable termination tower cable connection locker according to claim 3, wherein said locking assembly comprises:

a wedge-shaped part (15) fixedly connected to one side of the second fastener (2);

a sliding part (16) which is connected on one side of the first fastener (1) in a sliding way, and can be in sliding contact and abutting fit with the wedge-shaped part (15) in the sliding stroke of the sliding part (16) in the process that the second fastener (2) approaches the interlocking station;

the bolt (17) is connected to the first fastener (1) in a threaded manner, and the bolt (17) and the sliding piece (16) are rotationally and slidingly connected;

the limiting structure is used for limiting the relative sliding between the sliding part (16) and the bolt (17) between a first position and a second position, the sliding part (16) is away from the wedge-shaped part (15) in the first position, and the sliding part (16) is blocked on the stroke of the wedge-shaped part (15) rotating along with the second fastener (2) in the second position;

and an elastic unit (20) which drives the sliding piece (16) to slide to the second position when the deformation is recovered.

5. The narrow-base cable termination tower cable connection locker of claim 4, wherein the limiting structure comprises a limiting groove (18) and a limiting ring (19), the limiting groove (18) is formed in the sliding piece (16), the limiting ring (19) is fixedly connected to the bolt (17), and the limiting ring (19) is movably arranged in the limiting groove (18).

6. The narrow-base cable termination tower cable connection locker according to claim 4, wherein the elastic unit (20) is a compression spring, the compression spring is movably sleeved on the bolt (17), one end of the compression spring is abutted against the sliding piece (16), and the other end is abutted against a nut of the bolt (17).

7. A narrow base cable termination tower cable connection locker according to claim 4, wherein said sliding portion is provided with a connector (21).

8. A narrow base cable termination tower cable connection locker according to claim 1, wherein said first fastener (1) has a connector (21).

9. The narrow-base cable termination tower cable connection locker according to claim 1, wherein the inner sides of the first locking block (3) and the second locking block (4) are provided with anti-skid patterns.

10. The narrow-base cable termination tower cable connection locker of claim 1, wherein a first through groove is formed in the first fastener (1), and the first locking block (3) is slidably embedded in the first through groove.

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