CN107623298B - Anti-tilting tower suspension clamp - Google Patents
Anti-tilting tower suspension clamp Download PDFInfo
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- CN107623298B CN107623298B CN201711134983.8A CN201711134983A CN107623298B CN 107623298 B CN107623298 B CN 107623298B CN 201711134983 A CN201711134983 A CN 201711134983A CN 107623298 B CN107623298 B CN 107623298B
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- clamp
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- 239000000725 suspension Substances 0.000 title claims abstract description 41
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The invention discloses an anti-falling tower suspension clamp, which comprises an electric wire clamping part, a pressing part, an adjusting part and a hanging part, wherein the electric wire clamping part comprises a clamp hull and a wire pressing plate, and the pressing part is pressed above the wire pressing plate; the adjusting part is hinged on the wire clamp ship body and is also connected on the pressing part; the hanging part is provided with a pin shaft, the adjusting part is movably connected with the hanging part through the pin shaft, and the hanging part is also provided with a resisting part positioned below the wire clamping part. The invention can trigger the adjusting part only when the resisting part acts. Therefore, when the resisting part is not in action, the suspension clamp can adjust the tension in a small angle range; when the resisting part acts, the adjusting part rotates to release the wire, and the unbalanced tension at the two ends is adjusted by the moving mode of the wire.
Description
Technical Field
The invention relates to a suspension clamp for a high-voltage transmission line, in particular to an anti-falling tower suspension clamp.
Background
The direct connection equipment for installing the stranded wires on the iron tower in the power transmission line mainly adopts a suspension clamp and a strain clamp, the current suspension clamp consists of a clamp hull, a connecting bolt, a U-shaped bolt, a line pressing plate, a pin and the like, and the suspension clamp can only play a role in carrying the stranded wires and cannot achieve the effect of adjusting tension. In the case of a snowy disaster in the south of 2008, the load of the power transmission line is increased due to freezing on the high-voltage power transmission line, so that the power transmission line is broken, and the high-voltage power transmission line tower is pulled down by the broken power transmission line, so that huge loss is caused.
In order to achieve adjustment of tension at two ends of a suspension clamp, the prior art generally adopts a mode of loosening wires. For example: CN200820151648.9 discloses an "anti-icing suspension clamp with self-tension", CN201410125034.3 discloses an "anti-icing suspension clamp", the two suspension clamps fix the wire by friction, and when one end tension is greater than friction, the wire is loosened, so as to adjust the tension at both ends; but the suspension clamp with the structure is not easy to realize the adjustment in a small range, and the reset of the compaction and fixation is also not easy to realize after the adjustment. And the following steps: the "release type suspension clamp" disclosed in cn201320763952.X, although the suspension clamp of the structure is also realized by a tension adjustment mode by loosening a wire, the release mode is realized by a mode of cutting a fixing bolt, and once the bolt is cut, the bolt can not reset by itself.
The utility model discloses a "but overhead power transmission line displacement suspension string", its structure makes suspension clamp can be in the displacement of certain within range through the slide rail, consequently can reach the effect of the tension at the two ends of regulation fastener in a small range. However, when the tension is too high to cause the wire to be broken, the problem of falling tower cannot be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing an anti-falling tower suspension clamp, which takes a deflection angle as a control variable, so that the tension at two ends of the clamp can be adjusted in a small range, and the tension of a power transmission line can be adjusted by loosening a wire, thereby protecting the anti-falling tower suspension clamp of a high-voltage power line tower.
In order to solve the technical problems, the technical solution of the invention is as follows:
the utility model provides a prevent down tower suspension clamp, includes electric wire clamping part, closing part, adjustment part and suspension part, and this electric wire clamping part includes fastener hull and line ball board, and this closing part compresses tightly in this line ball board's top; the adjusting part is hinged on the wire clamp ship body and is also connected on the pressing part; the hanging part is provided with a pin shaft, the adjusting part is movably connected with the hanging part through the pin shaft, and the hanging part is also provided with a resisting part positioned below the wire clamping part.
Preferably, the pressing part comprises a shell and a pressing bolt penetrating and screwed in the shell.
Preferably, the adjusting part comprises two connecting plates, the two connecting plates are respectively positioned at the front side and the rear side of the wire clamping part and the compressing part, the two connecting plates are L-shaped, the middle part of each L-shaped connecting plate is hinged on the wire clamp ship body, and the compressing part is connected at one end of each L-shaped connecting plate; the hanging part is movably connected with the other end of the L-shaped connecting plate through a pin shaft.
Preferably, the other end of the L-shaped connecting plate is provided with a long hole or a long groove which is movably connected with the pin shaft.
Preferably, the hanging part comprises a hanging plate and a base, wherein the hanging plate is respectively arranged at the front and the rear of the wire clamping part, and an arc-shaped chute is arranged on the hanging plate and is matched with a shaft on the base; the base is provided with the pin shaft, and the hanging plate is hinged on the pin shaft; the base is of a U-shaped structure, the U-shaped bottom surface of the base is supported below the wire clamp hull of the wire clamping part, and the edge of the U-shaped bottom surface forms the resisting part.
Preferably, the hanging part comprises hanging plates, one hanging plate is arranged at the front and the rear of the wire clamping part, and the pin shafts are arranged on the hanging plates; the lower part of the hanging plate is provided with a resisting shaft which forms the resisting part, and a gap is reserved between the resisting shaft and the bottom of the wire clamp hull.
Preferably, the pressing parts are arranged symmetrically at two ends of the longitudinal axis of the wire clamping part, and two adjusting parts are correspondingly arranged.
Preferably, a boss is arranged on the top surface of the line pressing plate corresponding to the inner side of the pressing part.
Preferably, a return spring is installed between the pressing part and the wire clamp ship body.
Preferably, a supporting shaft is arranged below the L-shaped connecting plate.
After the scheme is adopted, as the resisting part is arranged below the hanging part, the adjusting part can be triggered only when the resisting part acts. Therefore, when the resisting part is not in action, the suspension clamp can adjust the tension in a small angle range; when the resisting part acts, the adjusting part rotates and can release the lead, and unbalanced tension at two ends can be adjusted in a lead moving mode; when the wire is broken, the wire can be directly pulled out, and the high-voltage wire tower is protected.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is an exploded view of a first embodiment of the present invention;
fig. 3 is a front view of a first embodiment of the present invention;
FIG. 4 is a schematic view of the small scale adjustment of the first embodiment of the present invention;
FIG. 5 is a schematic diagram showing a first embodiment of the present invention when the wire is released;
FIG. 6 is a second schematic diagram of the first embodiment of the present invention when the wire is released;
fig. 7 is a front view of a second embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples. It should be noted that the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The invention discloses an anti-falling tower suspension clamp, which is shown in fig. 1-3 and is a preferred embodiment of the invention. The suspension clamp comprises an electric wire clamping part 1, a pressing part 2, an adjusting part 3 and a hanging part 4. Wherein:
the wire clamping part 1 generally comprises a wire clamping body 11 and a wire pressing plate 12, and when the wire 5 is carried and fixed, the wire 5 can pass through the space between the wire clamping body 11 and the wire pressing plate 12 and be pressed and fixed by the pressing part 3. The wire clamp hull 11 and the wire pressing plate 12 can be positioned in a pin shaft mode, namely positioning pins 13 can be respectively arranged at the two ends of the wire pressing plate 12, and the positioning pins 13 are clamped at the two end surfaces of the wire clamp hull 11 during installation, so that the wire pressing plate 12 can be prevented from slipping from the two ends of the wire clamp hull 11; the clamping grooves 14 can be further arranged at the two ends of the online clamping ship body 11, and the positioning pins 13 are clamped in the clamping grooves 14.
The pressing part 2 can be pressed above the wire pressing plate 12 of the wire clamping part 1, so that the wire pressing plate 12 can be pressed down, and the wire pressing plate 12 and the wire clamp hull 11 can jointly act to press and fix the wire 5. The pressing part 2 may include a housing 21 and a pressing bolt 22 penetrating through the housing 21, and when the pressing bolt 22 is rotated downwards, the pressing and fixing of the wire 5 may be completed by pressing the pressing plate 12, so that the installation of the wire is very convenient. The pressing portions 2 may be provided one at each end of the longitudinal axis of the wire holding portion 1.
The adjusting part 3 is hinged on the wire clamp hull 11 of the wire clamping part 1, and the adjusting part 3 is also connected on the pressing part 2. Specifically, the adjusting portion 3 is rotatably movably connected to the housing 21 of the pressing portion 2. The adjusting part 3 may include two connection plates 31, the two connection plates 31 are respectively located at the front and rear sides of the wire clamping part 1 and the compressing part 2, and the two connection plates 31 may be L-shaped, the middle part of the L-shaped connection plate 31 is hinged on the wire clamping hull 11, and the compressing part 2 is connected at one end of the L-shaped connection plate 31. Similarly, two pressing portions 2 are provided opposite to each other, and two adjusting portions 3 are provided.
The hanging part 4 is provided with a pin 41, and the adjusting part 3 is movably connected with the hanging part 4 through the pin 41. Specifically, the hanging portion 4 may be movably connected to the other end of the L-shaped connecting plate 31 through a pin 41, and the other end of the L-shaped connecting plate 31 may be provided with a long hole or a long groove 32 for movably connecting with the pin 41, so that the pin 41 has a lateral movement space. The hanging part 4 is also provided with a resisting part positioned below the wire clamping part 1. In this embodiment, the hanging part 4 includes a hanging plate 42 and a base 43, where the hanging plate 42 may be disposed on the front and rear sides of the wire clamping part 1, and an arc chute 44 is disposed on the hanging plate to cooperate with a shaft 45 on the base 43; the base 43 is provided with the pin shaft 41, and the hanging plate 42 is hinged on the pin shaft 41; the base 43 has a U-shaped structure with a U-shaped bottom surface supported below the clamp hull 11 of the wire clamping part 1, and an edge of the U-shaped bottom surface forms the abutment 46.
Further, the present invention may further provide an anti-reverse structure capable of preventing the reverse rotation of the adjustment portion 3. In this embodiment, the bottom surface of the U-shaped base 43 of the suspension part 4 restricts the upward space of the suspension part 4, so that the adjustment part 3 can be prevented from rotating reversely. A boss 15 may be further disposed on the top surface of the wire pressing plate 12 of the wire clamping portion 1 corresponding to the inner side of the pressing portion 2, so as to prevent the pressing portion 2 from rotating reversely, and further limit the adjusting portion 3 from rotating reversely.
Furthermore, a return spring 6 may be installed between the pressing portion 2 and the clamp hull 11, and the return spring 6 may smoothly return the rotating pressing portion 2.
When the wire 5 is installed, the wire 5 is only required to be inserted between the wire clamp body 11 of the wire clamping part 1 and the wire pressing plate 12, and then the pressing bolt 22 of the pressing part 2 is adjusted to be screwed, so that the installation of the wire can be completed, and the installation is very convenient.
The suspension clamp can rotate within a set small range of angles, as shown in fig. 4, when the tension of a wire at one end of the clamp is larger than that at the other end, the wire clamping part 1 rotates around the pin shaft 41 of the suspension part 4, when the tension is smaller than the set range, the suspension part 4 only moves within a small range, the unbalanced tension disappears, and the whole device can automatically reset under the action of gravity. The mode can lead the suspension clamp to carry out unbalanced tension adjustment in a small range without loosening the lead.
When the unbalanced tension at one end is greater than the set value, the rotation angle of the hanging part 4 is increased and is greater than the set rotation angle (shown in fig. 5 and 6), the resisting part below the hanging part is limited to continuously rotate around the pin shaft 41, so that the hanging part 4 is changed to rotate around the resisting part 46, the pin shaft 41 drives the other end of the adjusting part 3 to rotate downwards, the adjusting part 3 drives the compressing part 2 to rotate inwards, the bottom of the compressing part 2 is further loosened to the compressing state of the wire pressing plate 12, and the conducting wire 5 is released to enable the conducting wire to move back and forth in the wire clamping part 1; when the unbalanced tension disappears, the whole suspension clamp is reset under the action of gravity or under the combined action of the reset spring 6, and the lead 5 is compressed again to reach a new balanced state; if one end of the wire is broken, the wire can be directly pulled away from the wire clamping part 1, so that the high-voltage wire tower can be prevented from being pulled down by excessive pulling force, and the tower falling accident is avoided.
With the above embodiment, when adjusting in a small angle range, only the hanging plate 42 of the hanging part 4 rotates around the pin 41, and the base 43 is not moved; when the unbalanced tension at one end is greater than the set value, the edge of the arc chute 44 on the hanging plate 42 of the hanging part 4 is propped against the shaft 45 of the base 43, so that the shaft 45 drives the base 43 to rotate together with the hanging plate 42, the U-shaped bottom edge of the base 43 (namely the resisting part 46) becomes a new rotation shaft, the hanging plate 42 and the base 43 rotate together around the resisting part 46, and the pin shaft 41 drives the other end of the adjusting part 3 to rotate downwards; the following operation is the same as in the previous section and will not be described in detail.
As shown in fig. 7, in order to illustrate a second embodiment of the present invention, the suspension clamp according to the present embodiment also includes a wire clamping portion 1, a pressing portion 2, an adjusting portion 3, and a hanging portion 4', wherein the general structures of the wire clamping portion 1, the pressing portion 2, and the adjusting portion 3 according to the present embodiment are the same as those of the first embodiment, and reference numerals are also the same in the drawings, and will not be described in detail.
The difference of this embodiment is that the hanging portion 4 'includes a hanging plate 42', and the hanging plate 42 'may be disposed on each of the front and rear sides of the wire clamping portion 1, and the pin 41' is disposed thereon and is movably connected to the adjusting portion 3. A retaining shaft 46' is arranged below the hanging plate 42' to form the retaining part, and the retaining shaft 46' has a gap relative to the bottom of the wire clamping body 11 of the wire clamping part 1.
In addition, in this embodiment, a support shaft 33 is disposed below the L-shaped connection plate 31, and the support shaft 33 is located below the wire clamping portion 1, and functions to support the wire clamping portion 1 on the one hand, and can serve as an anti-reverse structure for preventing the adjustment portion 3 from rotating reversely.
In this embodiment, when the adjustment is performed within a small angle range, the hanging portion 4' is also rotated around the pin 41', and in this state, the resisting shaft 46' is not in contact with the bottom of the clamp hull 11. When the tension at one end is larger than the set value, the rotation angle of the hanging part 4 'is increased to enable the resisting part 46' to be in contact with the bottom of the wire clamp hull 11, the hanging part 4 'rotates around the resisting shaft 46', so that the adjusting part 3 is driven to rotate, the pressing part 2 is driven to rotate, and the purpose of releasing the wires is achieved.
The above description is only of the preferred embodiments of the present invention, and should not be taken as limiting the technical scope of the present invention, but all changes and modifications that come within the scope of the invention as defined by the claims and the specification are to be embraced by the invention.
Claims (8)
1. The utility model provides a prevent down tower suspension clamp which characterized in that: the wire clamping device comprises a wire clamping part (1), a pressing part (2), an adjusting part (3) and a hanging part (4), wherein the wire clamping part (1) comprises a wire clamp hull (11) and a wire pressing plate (12), and the pressing part (2) is pressed above the wire pressing plate (12); the adjusting part (3) is hinged on the wire clamp ship body (11) and is also connected on the compressing part (2); the hanging part (4) is provided with a pin shaft (41), the adjusting part (3) is movably connected with the hanging part (4) through the pin shaft (41), and the hanging part (4) is also provided with a resisting part positioned below the wire clamping part (1); the adjusting part (3) comprises two connecting plates (31), the two connecting plates are respectively positioned at the front side and the rear side of the electric wire clamping part (1) and the compressing part (2), the two connecting plates (31) are L-shaped, the middle part of the L-shaped connecting plate (31) is hinged on the wire clamp ship body (11), and the compressing part (2) is connected at one end of the L-shaped connecting plate (31); the hanging part (4) is movably connected with the other end of the L-shaped connecting plate (31) through a pin shaft (41); the hanging part (4) comprises a hanging plate (42) and a base (43), wherein the hanging plate is respectively arranged at the front and the rear of the wire clamping part (1), and an arc-shaped chute (44) is arranged on the hanging plate and is matched with a shaft (45) on the base (43); the base (43) is provided with the pin shaft (41), and the hanging plate (42) is hinged on the pin shaft (41); the base (43) is of a U-shaped structure, the U-shaped bottom surface of the base is supported below the wire clamping part (1) of the wire clamping ship body (11), and the edge of the U-shaped bottom surface forms the resisting part (46).
2. The utility model provides a prevent down tower suspension clamp which characterized in that: the wire clamping device comprises a wire clamping part (1), a pressing part (2), an adjusting part (3) and a hanging part (4'), wherein the wire clamping part (1) comprises a wire clamp hull (11) and a wire pressing plate (12), and the pressing part (2) is pressed above the wire pressing plate (12); the adjusting part (3) is hinged on the wire clamp ship body (11) and is also connected on the compressing part (2); the hanging part (4 ') is provided with a pin shaft (41 '), the adjusting part (3) is movably connected with the hanging part (4 ') through the pin shaft (41 '), and the hanging part (4 ') is also provided with a resisting part positioned below the wire clamping part (1); the adjusting part (3) comprises two connecting plates (31), the two connecting plates are respectively positioned at the front side and the rear side of the electric wire clamping part (1) and the compressing part (2), the two connecting plates (31) are L-shaped, the middle part of the L-shaped connecting plate (31) is hinged on the wire clamp ship body (11), and the compressing part (2) is connected at one end of the L-shaped connecting plate (31); the hanging part (4 ') is movably connected with the other end of the L-shaped connecting plate (31) through a pin shaft (41'); the hanging part (4 ') comprises hanging plates (42 '), wherein one hanging plate is arranged at the front and the rear of the wire clamping part (1), and the pin shafts (41 ') are arranged on the hanging plates; a resisting shaft (46 ') is arranged below the hanging plate (42 ') to form the resisting part, and the resisting shaft (46 ') has a gap relative to the bottom of the wire clamp hull (11).
3. The anti-backup tower suspension clamp according to claim 1 or 2, characterized in that: the compressing part (2) comprises a shell (21) and a compressing bolt (22) penetrating and screwing in the shell (21).
4. The anti-backup tower suspension clamp according to claim 1 or 2, characterized in that: the other end of the L-shaped connecting plate (31) is provided with a long hole or a long groove (32) which is movably connected with the pin shaft.
5. The anti-backup tower suspension clamp according to claim 1 or 2, characterized in that: the pressing parts (2) are respectively arranged at two ends of the longitudinal axis of the wire clamping part (1) in a bilateral symmetry way, and the two adjusting parts (3) are correspondingly arranged.
6. The anti-backup tower suspension clamp of claim 5, wherein: a boss (15) is arranged on the top surface of the line pressing plate (12) corresponding to the inner side of the pressing part (2).
7. The anti-backup tower suspension clamp of claim 5, wherein: a return spring (6) is arranged between the compression part (2) and the wire clamp ship body (11).
8. The anti-backup tower suspension clamp of claim 2, wherein: a supporting shaft (33) is arranged below the L-shaped connecting plate (31).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711134983.8A CN107623298B (en) | 2017-11-16 | 2017-11-16 | Anti-tilting tower suspension clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711134983.8A CN107623298B (en) | 2017-11-16 | 2017-11-16 | Anti-tilting tower suspension clamp |
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CN107623298A CN107623298A (en) | 2018-01-23 |
CN107623298B true CN107623298B (en) | 2023-10-24 |
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CN201711134983.8A Active CN107623298B (en) | 2017-11-16 | 2017-11-16 | Anti-tilting tower suspension clamp |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110544915A (en) * | 2018-05-29 | 2019-12-06 | 中国电力工程顾问集团华北电力设计院有限公司 | Self-adjusting straight-through type strain fitting |
CN112072589B (en) * | 2020-09-14 | 2021-09-21 | 国网河南省电力公司温县供电公司 | Compact suspension clamp for power supply line |
CN112436469B (en) * | 2020-11-13 | 2022-01-28 | 江西泉新电气有限公司 | Fixed line street sign indicating number |
CN113224710A (en) * | 2021-05-28 | 2021-08-06 | 固力发电气有限公司 | Pre-twisted suspension clamp |
CN115149480B (en) * | 2022-06-20 | 2023-07-07 | 东营市南方电器有限责任公司 | Suspension clamp for aluminum metal accessory |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0833172A (en) * | 1994-07-11 | 1996-02-02 | Fujikura Ltd | Vibrationproof suspension clamp |
CN203747349U (en) * | 2014-03-10 | 2014-07-30 | 浙江维博电力金具有限公司 | Suspension wire clamp |
CN204012584U (en) * | 2014-06-24 | 2014-12-10 | 国网山西省电力公司晋城供电公司 | Circuit suspension clamp |
CN208127827U (en) * | 2017-11-16 | 2018-11-20 | 厦门理工学院 | A kind of anti-down tower suspension clamp |
CN112290496A (en) * | 2020-11-28 | 2021-01-29 | 贵州电网有限责任公司 | Suspension clamp for preventing hanging plate from falling off |
-
2017
- 2017-11-16 CN CN201711134983.8A patent/CN107623298B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0833172A (en) * | 1994-07-11 | 1996-02-02 | Fujikura Ltd | Vibrationproof suspension clamp |
CN203747349U (en) * | 2014-03-10 | 2014-07-30 | 浙江维博电力金具有限公司 | Suspension wire clamp |
CN204012584U (en) * | 2014-06-24 | 2014-12-10 | 国网山西省电力公司晋城供电公司 | Circuit suspension clamp |
CN208127827U (en) * | 2017-11-16 | 2018-11-20 | 厦门理工学院 | A kind of anti-down tower suspension clamp |
CN112290496A (en) * | 2020-11-28 | 2021-01-29 | 贵州电网有限责任公司 | Suspension clamp for preventing hanging plate from falling off |
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