CN114284980B - Cable head fastening device for cable laying - Google Patents
Cable head fastening device for cable laying Download PDFInfo
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- CN114284980B CN114284980B CN202111628425.3A CN202111628425A CN114284980B CN 114284980 B CN114284980 B CN 114284980B CN 202111628425 A CN202111628425 A CN 202111628425A CN 114284980 B CN114284980 B CN 114284980B
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- cable
- cable head
- rubber sleeve
- threaded column
- head shell
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- 239000000463 material Substances 0.000 claims abstract description 16
- 230000008602 contraction Effects 0.000 description 9
- 238000005253 cladding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Installation Of Indoor Wiring (AREA)
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Abstract
The invention discloses a cable head fastening device for cable laying, which relates to the technical field of cable laying, and specifically relates to a cable head shell and a fastening component, wherein a first cable is arranged at the left end of the cable head shell, a second cable is arranged at the right end of the cable head shell, the fastening component is coated outside the cable head shell, the first cable and the second cable, the fastening component comprises a first heat-shrinkable rubber sleeve, a groove, saw wires and electrochromic materials, the inner surface of the first heat-shrinkable rubber sleeve is provided with the groove, the saw wires are arranged inside the groove, and the electrochromic materials are uniformly distributed inside the first heat-shrinkable rubber sleeve. According to the cable head fastening device for cable laying, under the condition that the first heat-shrinkable rubber sleeve is to be stripped, the exposed end of the saw wire is clamped by the clamp and lifted up by force, so that the saw wire is divided from inside to outside, and the problem that the surface of a cable or a cable head is scratched due to excessive force when the heat-shrinkable rubber sleeve is stripped by the handheld stripping knife is solved.
Description
Technical Field
The invention relates to the technical field of cable laying, in particular to a cable head fastening device for cable laying.
Background
Because the length of single cable is limited in the cable laying process, the length extension is carried out after connecting between the cables, and the cable head just has the effect of connecting the tip interconnect of two cables, and two cables rethread in cable head outside cladding heat shrink rubber sleeve after connecting, heat shrink rubber sleeve is hugged closely in cable head, cable tip surface after being heated in order to play reinforcement, dustproof, waterproof effect.
The existing heat shrinkage rubber sleeve for reinforcing cable connection is tightly attached to the surfaces of a cable and a cable head after being heated and used, and the cable or the cable head surface is easily scratched due to excessive force when the heat shrinkage rubber sleeve is peeled off by a handheld peeling knife in the later stage.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a cable head fastening device for cable laying, which solves the problems that the prior heat-shrinkable rubber sleeve for reinforcing cable connection is clung to the surfaces of a cable and a cable head after being heated and used, and the cable or the cable head surface is easily scratched due to excessive force when the heat-shrinkable rubber sleeve is peeled off by a handheld peeling knife in the later stage.
In order to achieve the above purpose, the invention is realized by the following technical scheme: cable laying uses cable head fastener, including cable head casing and fastening component, the left end of cable head casing is provided with first cable, and the right-hand member of cable head casing is provided with the second cable, fastening component cladding is in the outside of cable head casing, first cable and second cable, fastening component includes first heat shrink gum cover, slot, saw line and electrochromic material, the slot has been seted up to the internal surface of first heat shrink gum cover, and the inside of slot is provided with the saw line, the inside evenly distributed of first heat shrink gum cover has electrochromic material.
Optionally, the left end of the saw wire is embedded into the first heat-shrinkable rubber sleeve, and the right end of the saw wire penetrates through the right side surface of the first heat-shrinkable rubber sleeve.
Optionally, the saw wire is in a flexible structure, and the surface of the saw wire is in a saw tooth shape.
Optionally, the inside left side of cable head casing is provided with first passageway, and the inside right side of cable head casing is provided with the second passageway, the right-hand member of first passageway and second passageway left end meet each other.
Optionally, the right-hand member of first cable is provided with first connection piece, the left end of second cable is provided with the second connection piece, and the hole site has all been seted up with the tip surface of first connection piece to the second connection piece.
Optionally, the front and back both sides of cable head casing are provided with the clamping assembly, the clamping assembly includes first screw thread post, second screw thread post and fastening plectane, the back surface threaded connection of first screw thread post and cable head casing, the front surface threaded connection of second screw thread post and cable head casing, and the opposite end surface of second screw thread post and first screw thread post all is connected with the fastening plectane.
Optionally, the first threaded column is of a hollow structure, and the central axis of the first threaded column coincides with the central axis of the second threaded column.
Optionally, the inner opening size of the first threaded column is larger than the outer opening size of the second threaded column, and the first threaded column penetrates through the inside of the hole site.
Optionally, the outer surfaces of the end parts of the first connecting sheet and the second connecting sheet are connected with a second heat shrinkage rubber sleeve, and the middle part of the inner surface of the second heat shrinkage rubber sleeve is fixedly connected with the surfaces of the first connecting sheet and the second connecting sheet.
The invention provides a cable head fastening device for cable laying, which has the following beneficial effects:
Under the condition that the first heat-shrinkable rubber sleeve is required to be stripped in the later stage, the exposed end of the saw wire is clamped by the clamp and lifted up by force, so that the saw wire is divided from inside to outside, and the problem that the surface of a cable or a cable head is scratched due to excessive force when the heat-shrinkable rubber sleeve is stripped by the handheld stripping knife is solved.
1. This cable laying uses cable head fastener, first heat shrink gum cover heat shrink carries out cladding reinforcement effect to the cable, and the later stage only need use the clamp to clip the end that the saw line exposes when need peeling off first heat shrink gum cover and lift by force, saw the line from inside to outside with first heat shrink gum cover saw off this moment, easy operation is swift, and is favorable to avoiding fish tail cable or cable head casing surface.
2. This cable laying uses cable head fastener, first heat shrink gum cover itself is transparent form, and its inside evenly distributed has electrochromic material, when the electric leakage takes place for the region that first heat shrink gum cover cladding, electrochromic material produces colour change because of receiving electricity to the electric leakage phenomenon takes place for this region of outside suggestion, so that the cable inspection personnel is patrolled and examined the time and is known the electric leakage position fast and overhaul.
3. This cable laying uses cable head fastener, first connecting piece carries first cable to insert first passageway, until first connecting piece touches the end, the second connecting piece carries the second cable to insert the second passageway with the same reason, the hole site on second connecting piece surface coincides with the hole site on first connecting piece surface this moment, the rethread rotates first screw thread post, second screw thread post makes two fastening plectane laminate in the side of first connecting piece and second connecting piece respectively, thereby improve both laminating degree and be convenient for current transmission, simultaneously along with first screw thread post, second screw thread post rotates, the second screw thread post can insert inside the first screw thread post, thereby be favorable to further improving the laminating compactness of first connecting piece and second connecting piece.
4. The cable head fastening device for cable laying comprises a first connecting sheet, the outer surface of the end part of the second connecting sheet and the middle part of the inner surface of the second heat shrinkage rubber sleeve, wherein the second heat shrinkage rubber sleeve is used for covering the junction position of a cable and a cable head shell, and the junction position can be tightly covered by the second heat shrinkage rubber sleeve due to heat shrinkage, so that the firmness is improved again while the tightness is enhanced, and looseness between the cable and the cable head shell is avoided.
Drawings
FIG. 1 is a schematic view of the internal structure of a first heat shrinkable sleeve of the present invention;
FIG. 2 is a schematic view of a first heat shrinkable sleeve according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1B according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2 at C according to the present invention;
FIG. 6 is a schematic top view of the inner structure of the cable head housing of the present invention;
FIG. 7 is a schematic diagram of the internal structure of the cable head housing of the present invention in front view;
FIG. 8 is a schematic view showing the second threaded column penetrating into the first threaded column.
In the figure: 1. a cable head housing; 2. a first cable; 3. a second cable; 4. a fastening assembly; 401. a first heat-shrinkable sleeve; 402. a groove; 403. sawing wires; 404. an electrochromic material; 5. a first channel; 6. a second channel; 7. a first connecting piece; 8. a second connecting piece; 9. hole sites; 10. a clamping assembly; 1001. a first threaded post; 1002. a second threaded post; 1003. fastening a circular plate; 11. and a second heat-shrinkable rubber sleeve.
Detailed Description
As shown in fig. 1-5, the invention provides the technical scheme that: the cable head fastening device for cable laying comprises a cable head shell 1 and a fastening component 4, wherein a first cable 2 is arranged at the left end of the cable head shell 1, a second cable 3 is arranged at the right end of the cable head shell 1, the fastening component 4 is coated outside the cable head shell 1, the first cable 2 and the second cable 3, the fastening component 4 comprises a first heat shrinkage rubber sleeve 401, a groove 402, a saw wire 403 and electrochromic materials 404, the inner surface of the first heat shrinkage rubber sleeve 401 is provided with the groove 402, the saw wire 403 is arranged inside the groove 402, electrochromic materials 404 are uniformly distributed inside the first heat shrinkage rubber sleeve 401, the left end of the saw wire 403 is embedded inside the first heat shrinkage rubber sleeve 401, the right end of the saw wire 403 penetrates through the right side surface of the first heat shrinkage rubber sleeve 401, the saw wire 403 is of a flexible structure, and the surface of the saw wire 403 is of a saw tooth shape;
The specific operation is as follows, cable head casing 1 and second cable 3, after first cable 2 is connected, first thermal contraction gum cover 401 cover is outside in cable head casing 1, and first thermal contraction gum cover 401 covers second cable 3, first cable 2 and the juncture of cable head casing 1, further also cover second thermal contraction gum cover 11, then heat first thermal contraction gum cover 401, first thermal contraction gum cover 401 is heated shrink and closely cover in cable head casing 1 and the outside of second cable 3, first cable 2, be favorable to playing dustproof, waterproof, the effect of reinforcement, then first thermal contraction gum cover 401 itself is transparent, its inside evenly distributed has electrochromic material 404, electrochromic material 404 adopts tungsten trioxide powder, when the electric leakage takes place for the first thermal contraction gum cover 401 cladding region, thereby the phenomenon takes place for this place for the outside suggestion region because of the power, so that the saw position is overhauld to the cable when inspecting, need peel off first thermal contraction gum cover 403 and need the line to be closely covered by the line, thereby the cable is realized easily when the cable inspection is difficult to be covered by the first thermal contraction gum cover 403 and the cable is pulled off the line is only to the cover is pulled down by the first cable head 401 and the outer side is difficult to be solved by the manual cable is pulled down easily or the surface is difficult to be peeled off by the cable head 401 and the surface is difficult to be solved by the cable is easy to the surface is pulled out by the cable is easy to be easily to the cable is pulled to the cover with the cable is pulled up to the surface is easy to the cover to be the cable is easy to be the cover to be has the cable is to the cover.
As shown in fig. 1, 6-8, a first channel 5 is provided on the left side of the inside of the cable head housing 1, a second channel 6 is provided on the right side of the inside of the cable head housing 1, the right end of the first channel 5 and the left end of the second channel 6 are intersected with each other, a first connecting piece 7 is provided on the right end of the first cable 2, a second connecting piece 8 is provided on the left end of the second cable 3, hole sites 9 are provided on the end surfaces of the second connecting piece 8 and the first connecting piece 7, clamping assemblies 10 are provided on the front and rear sides of the cable head housing 1, the clamping assemblies 10 comprise a first screw column 1001, a second screw column 1002 and a fastening circular plate 1003, the first threaded column 1001 is in threaded connection with the rear surface of the cable head shell 1, the second threaded column 1002 is in threaded connection with the front surface of the cable head shell 1, the opposite end surfaces of the second threaded column 1002 and the first threaded column 1001 are connected with fastening circular plates 1003, the first threaded column 1001 is of a hollow structure, the central axis of the first threaded column 1001 coincides with the central axis of the second threaded column 1002, the inner opening size of the first threaded column 1001 is larger than the outer opening size of the second threaded column 1002, and the first threaded column 1001 penetrates through the inside of the hole site 9;
The specific operation is as follows, first cable 2 and the tip of second cable 3 weld with first connection piece 7, second connection piece 8 respectively, first connection piece 7 carries first cable 2 to insert the first passageway 5 in the cable head casing 1, until first connection piece 7 touches the end bottom of first passageway 5, same second connection piece 8 carries second cable 3 to insert second passageway 6, hole site 9 on second connection piece 8 surface coincides with hole site 9 on first connection piece 7 surface this moment, the rethread rotates first screw thread post 1001, second screw thread post 1002 makes two fastening plectane 1003 laminate in the side of first connection piece 7 and second connection piece 8 respectively, thereby improve both laminating degree and be convenient for the electric current transmission, the tip of first screw thread post 1001 has passed hole site 9 this moment simultaneously, along with first screw thread post 1001, second screw thread post 1002 rotates, second screw thread post 1002 can insert inside first screw thread post 1001 simultaneously, thereby be favorable to further improving the laminating degree of first connection piece 7 and second connection piece 8.
As shown in fig. 1 and 7, the outer surfaces of the end parts of the first connecting sheet 7 and the second connecting sheet 8 are connected with a second heat shrinkage rubber sleeve 11, and the middle part of the inner surface of the second heat shrinkage rubber sleeve 11 is fixedly connected with the surfaces of the first connecting sheet 7 and the second connecting sheet 8;
The specific operation is as follows, after first connecting piece 7 and second connection piece 8 pass through first screw thread post 1001, the inseparable laminating of second screw thread post 1002, this moment second heat shrink gum cover 11 covers cable and cable head casing 1's juncture completely, make its shrink closely paste and cover in cable head casing 1 and cable surface through heating second heat shrink gum cover 11, thereby improve the fastness again when reinforcing the leakproofness, avoid taking place not hard up between cable and the cable head casing 1, wherein second heat shrink gum cover 11 only its inner wall middle part and first connecting piece 7 or the fixed surface connection of second connection piece 8, lead to the other inner walls of second heat shrink gum cover 11 can be along with first connecting piece 7 and the flexible and contact or the separation of cable head casing 1 of second connection piece 8, avoid taking place the card.
In summary, when the cable head fastening device for cable laying is used, firstly, the ends of the first cable 2 and the second cable 3 are respectively welded with the first connecting piece 7 and the second connecting piece 8, the first connecting piece 7 carries the first cable 2 to be inserted into the first channel 5 in the cable head shell 1 until the first connecting piece 7 contacts the end bottom of the first channel 5, the second connecting piece 8 carries the second cable 3 to be inserted into the second channel 6, at the moment, the hole site 9 on the surface of the second connecting piece 8 coincides with the hole site 9 on the surface of the first connecting piece 7, and then the first threaded column 1001 and the second threaded column 1002 are rotated to enable the two fastening circular plates 1003 to be respectively attached to the side surfaces of the first connecting piece 7 and the second connecting piece 8 so as to improve the attaching degree of the two fastening circular plates, thereby facilitating current transmission, at the moment, the end of the first threaded column 1001 is already penetrated through the hole site 9, and the second threaded column 1002 can be inserted into the first threaded column 1001, thereby facilitating the attaching degree of the first connecting piece 7 and the second connecting piece 8 to be further improved;
After the first connecting sheet 7 and the second connecting sheet 8 are tightly attached through the first threaded column 1001 and the second threaded column 1002, the junction between the cable and the cable head shell 1 is completely covered by the second heat-shrinkable rubber sleeve 11, and the second heat-shrinkable rubber sleeve 11 is heated to shrink and tightly attach to the cable head shell 1 and the cable surface, so that the tightness is enhanced, the firmness is improved again, and the cable head shell 1 are prevented from loosening;
After the cable head shell 1 is connected with the second cable 3 and the first cable 2, the first heat-shrinkable rubber sleeve 401 is sleeved outside the cable head shell 1, the first heat-shrinkable rubber sleeve 401 covers the junction of the second cable 3 and the first cable 2 and the cable head shell 1, and further also coats the second heat-shrinkable rubber sleeve 11;
then the first heat shrinkage rubber sleeve 401 is heated, and the first heat shrinkage rubber sleeve 401 is heated and shrunk to be closely adhered to the outer parts of the cable head shell 1, the second cable 3 and the first cable 2, so that the effects of dust prevention, water prevention and reinforcement are realized;
Then the first heat shrinkage rubber sleeve 401 is transparent, electrochromic materials 404 are uniformly distributed in the first heat shrinkage rubber sleeve, the electrochromic materials 404 are tungsten trioxide powder, when electric leakage occurs in the area covered by the first heat shrinkage rubber sleeve 401, the electrochromic materials 404 generate color change due to the electric leakage, so that the electric leakage phenomenon occurs in the area is prompted to the outside, and the electric leakage position can be quickly known for maintenance when cable inspection personnel inspect the cable;
Finally, when the first heat-shrinkable rubber sleeve 401 needs to be peeled, only the exposed end of the saw wire 403 is clamped by a clamp to be lifted up forcefully, and at the moment, the saw wire 403 is used for sawing the first heat-shrinkable rubber sleeve 401 from inside to outside, the operation is simple and quick, and the surface of the cable or the cable head shell 1 is prevented from being scratched, so that the problem that the surface of the cable or the cable head is scratched due to excessive force when the hand-held stripping knife is used for stripping the heat-shrinkable rubber sleeve is solved.
Claims (5)
1. Cable laying cable head fastener, including cable head casing (1) and fastening component (4), its characterized in that: the left end of the cable head shell (1) is provided with a first cable (2), the right end of the cable head shell (1) is provided with a second cable (3), the fastening component (4) is coated on the outer parts of the cable head shell (1), the first cable (2) and the second cable (3), the fastening component (4) comprises a first heat shrinkage rubber sleeve (401), a groove (402), a saw wire (403) and electrochromic materials (404), the inner surface of the first heat shrinkage rubber sleeve (401) is provided with the groove (402), the saw wire (403) is arranged in the groove (402), electrochromic materials (404) are uniformly distributed in the first heat shrinkage rubber sleeve (401), the right end of the first cable (2) is provided with a first connecting sheet (7), the left end of the second cable (3) is provided with a second connecting sheet (8), hole sites (9) are formed in the end surfaces of the second connecting sheet (8) and the first connecting sheet (7), the front and the rear disc (1) are provided with saw wires (403), the clamping components (1001) are arranged on the two sides of the cable head shell (1), the clamping column (1001) are connected with the first column (1001) through threads, the clamping column (1001) is provided with the first column (1001), the second threaded column (1002) is in threaded connection with the front surface of the cable head shell (1), the opposite end surfaces of the second threaded column (1002) and the first threaded column (1001) are connected with fastening circular plates (1003), the first threaded column (1001) is of a hollow structure, the central axis of the first threaded column (1001) coincides with the central axis of the second threaded column (1002), the inner opening size of the first threaded column (1001) is larger than the outer opening size of the second threaded column (1002), and the first threaded column (1001) penetrates through the inside of the hole site (9).
2. The cable head fastening device for cabling as set forth in claim 1, wherein: the left end of the saw wire (403) is embedded into the first heat shrinkage rubber sleeve (401), and the right end of the saw wire (403) penetrates through the right side surface of the first heat shrinkage rubber sleeve (401).
3. The cable head fastening device for cabling as set forth in claim 1, wherein: the saw wire (403) is of a flexible structure, and the surface of the saw wire (403) is in a saw tooth shape.
4. The cable head fastening device for cabling as set forth in claim 1, wherein: the cable head shell is characterized in that a first channel (5) is arranged on the left side of the inside of the cable head shell (1), a second channel (6) is arranged on the right side of the inside of the cable head shell (1), and the right end of the first channel (5) and the left end of the second channel (6) are intersected with each other.
5. The cable head fastening device for cabling as set forth in claim 1, wherein: the outer surfaces of the end parts of the first connecting sheet (7) and the second connecting sheet (8) are connected with a second heat shrinkage rubber sleeve (11), and the middle part of the inner surface of the second heat shrinkage rubber sleeve (11) is fixedly connected with the surfaces of the first connecting sheet (7) and the second connecting sheet (8).
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CN202111628425.3A CN114284980B (en) | 2021-12-28 | 2021-12-28 | Cable head fastening device for cable laying |
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CN202111628425.3A CN114284980B (en) | 2021-12-28 | 2021-12-28 | Cable head fastening device for cable laying |
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CN114284980A CN114284980A (en) | 2022-04-05 |
CN114284980B true CN114284980B (en) | 2024-05-24 |
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CN202111628425.3A Active CN114284980B (en) | 2021-12-28 | 2021-12-28 | Cable head fastening device for cable laying |
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GB285256A (en) * | 1927-02-26 | 1928-02-16 | Pirelli General Cable Works | Improvements in or relating to joint boxes for electric cable joints |
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CN213424690U (en) * | 2020-07-16 | 2021-06-11 | 深圳市骏鼎达新材料股份有限公司 | Protective sleeve |
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DE102004040293B3 (en) * | 2004-08-19 | 2006-03-30 | Airbus Deutschland Gmbh | Watertight seal for electrical cables passing through a hole in a wall or panel has a loaded elastic plug |
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Patent Citations (10)
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GB285256A (en) * | 1927-02-26 | 1928-02-16 | Pirelli General Cable Works | Improvements in or relating to joint boxes for electric cable joints |
GB2068653A (en) * | 1980-01-23 | 1981-08-12 | Fahrleitungsbau Gmbh | Connection means between an electrical cable and a conductor rail serving mobile consumers |
DE29712882U1 (en) * | 1997-07-21 | 1997-10-02 | Bedea Berkenhoff & Drebes GmbH, 35614 Aßlar | Measuring arrangement |
CN102914842A (en) * | 2012-11-14 | 2013-02-06 | 中天日立光缆有限公司 | First-aid repair adapter connector box for optical fiber composite overhead insulating phase lines and manufacture method thereof |
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