CN104158119A - Overhead ground wire suspended cable clamp adjusting method and buffer device thereof - Google Patents
Overhead ground wire suspended cable clamp adjusting method and buffer device thereof Download PDFInfo
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- CN104158119A CN104158119A CN201410414381.8A CN201410414381A CN104158119A CN 104158119 A CN104158119 A CN 104158119A CN 201410414381 A CN201410414381 A CN 201410414381A CN 104158119 A CN104158119 A CN 104158119A
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Abstract
The invention relates to an overhead ground wire suspended cable clamp adjusting method and a buffer device thereof, belonging to the technical field of overhead transmission line maintenance. The technical scheme is that the device comprises a front clamp seat (1), a front end (2), an inner screw rod (3), a ratchet wrench (4), a middle screw rod (5), an outer screw rod (6), a rear end (7), a back clamp seat (8), a front clamping nail (9), a back clamping nail (10), a front clamping hollow groove (11), a front clamping bolt (12), a back clamping hollow groove (14) and a back clamping bolt (15). The device is used for correcting a suspended cable clamp and loosening a U-shaped clip nut after the overhead ground wire suspended cable clamp is tilted, and the sudden sliding of a ground wire to generate impact force is avoided. When the overhead ground wire suspended cable clamp is corrected by the device, the generation of the impact force by the sudden sliding of the ground wire and caused violent shaking of a tower are avoided, the maintenance safety is ensured, the cost is low, the manufacturing and making process is simple, the volume is small, the weight is light, the operation method is simple, the device is safe and reliable to use, the practicability is strong, and the method and the device have a broad market space.
Description
Technical field
The present invention relates to a kind of overhead ground wire suspension clamp regulation method and buffer unit, belong to maintenance of overhead transmission line technical field.
Background technology
In electric power system, overhead transmission line is all positioned at field operation, is subject to natural environment influence larger, especially numerous areas in mine, after mining, landform changes, some areas surface collapse, is positioned at shaft tower run-off the straight, the displacement of the overhead transmission line in this region.After overhead power transmission line pole tower run-off the straight, displacement, cause shaft tower both sides wire, no longer balance of lightning conducter tension force, suspension clamp is to the large lopsidedness of tension force, in the time that angle of inclination is excessive, easily cause shaft tower torsional deformation, even cause the accident of falling rod disconnection, so, levelling suspension clamp in time, the tension force of balance shaft tower both sides wire, lightning conducter, Accident prevention occurs.Background technology is in the time of levelling lightning conducter suspension clamp, when unclamping after the U-shaped clamp bolt and nut of wire clamp, lightning conducter can, suddenly to the large Slideslip of tension force, cause shaft tower acutely to rock, and not only can make staff's personal safety that produced the panic but also serious threat of huge psychology.
Summary of the invention
The object of the invention is to provide a kind of overhead ground wire suspension clamp regulation method and buffer unit, when levelling overhead ground wire suspension clamp, prevent the lightning conducter generation impulsive force of sliding suddenly, cause shaft tower acutely to rock, ensure maintenance safety, solve the problem existing in background technology.
Technical scheme of the present invention is:
A kind of overhead ground wire suspension clamp levelling buffer unit, comprises front clamp seat, front end, internal layer screw mandrel, ratchet spanner, middle level screw mandrel, outer screw mandrel, follower head, rear deck, front card drift bolt, rear card drift bolt, front card dead slot, front card bolt, rear card dead slot and rear card bolt.
Front clamp seat is made up of upper and lower two parts, and front clamp seat the first half is cuboid, and there is a front clamp seat bolt hole center, and front clamp seat the latter half is square, and its center is provided with front card dead slot, and there are two bolts hole its lower end, with two before block bolt and match.
Front end middle part is groove structure, the cuboid of front clamp seat the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a front end bolt hole, front card drift bolt, through front clamp seat bolt hole and front end bolt hole, links together front end and front clamp seat.
Internal layer screw mandrel is cylindrical, and its outer surface is provided with forward external screw thread; Leading section and the front end of internal layer screw mandrel connect as one.
Ratchet spanner is fixed on the screw mandrel of middle level, and middle level screw mandrel is cylindrical, hollow, and its inner surface is provided with forward internal thread, and its outer surface is provided with reverse external screw thread; Outer screw mandrel is cylindrical, hollow, and inner surface is provided with reverse internal thread; The rearward end of internal layer screw mandrel is inserted the leading section of middle level screw mandrel, and internal layer screw mandrel outer surface forward external screw thread and middle level screw mandrel inner surface forward internal thread match; The rearward end of middle level screw mandrel is inserted the leading section of outer screw mandrel, and the reverse external screw thread of median caudal filament rod outer surface and the reverse internal thread of outer screw mandrel inner surface match.
Rear deck is made up of upper and lower two parts, and rear deck the first half is cuboid, and there is a rear deck bolt hole center, and rear deck the latter half is square, and its center is provided with rear card dead slot, and there are two bolts hole its lower end, with two after block bolt and match.
Rearward end and the follower head of outer screw mandrel connect as one; Follower head middle part is groove structure, the cuboid of rear deck the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a follower head bolt hole, rear card drift bolt, through rear deck bolt hole and follower head bolt hole, links together follower head and rear deck.
Described ratchet spanner inside is provided with controls ratchet transfer, and bottom is provided with handle, and ratchet is a cylinder to post, is connected, for exchanging ratchet rotation direction with ratchet spanner internal control ratchet transfer.Controlling ratchet transfer is the public structure of ratchet spanner, changes the ratchet rotation direction of ratchet spanner.
Described front clamp seat is made with aluminum alloy materials, and front end is made up of Steel material, and internal layer screw mandrel is made up of Steel material, and ratchet spanner is made up of Steel material, and middle level screw mandrel is made up of Steel material, and outer screw mandrel is made up of Steel material, and follower head is made up of Steel material.
A kind of overhead ground wire suspension clamp regulation method, after overhead ground wire suspension clamp deflection, levelling suspension clamp unclamps U-shaped clamp nut, prevents the lightning conducter generation impulsive force of sliding suddenly, comprises following steps:
1. adopt overhead ground wire suspension clamp levelling buffer unit to carry out, comprise front clamp seat, front end, internal layer screw mandrel, ratchet spanner, middle level screw mandrel, outer screw mandrel, follower head, rear deck, front card drift bolt, rear card drift bolt, front card dead slot, front card bolt, rear card dead slot and rear card bolt;
Front clamp seat is made up of upper and lower two parts, and front clamp seat the first half is cuboid, and there is a front clamp seat bolt hole center, and front clamp seat the latter half is square, and its center is provided with front card dead slot, and there are two bolts hole its lower end, with two before block bolt and match;
Front end middle part is groove structure, the cuboid of front clamp seat the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a front end bolt hole, front card drift bolt, through front clamp seat bolt hole and front end bolt hole, links together front end and front clamp seat;
Internal layer screw mandrel is cylindrical, and its outer surface is provided with forward external screw thread; Leading section and the front end of internal layer screw mandrel connect as one;
Ratchet spanner is fixed on the screw mandrel of middle level, and middle level screw mandrel is cylindrical, hollow, and its inner surface is provided with forward internal thread, and its outer surface is provided with reverse external screw thread; Outer screw mandrel is cylindrical, hollow, and inner surface is provided with reverse internal thread; The rearward end of internal layer screw mandrel is inserted the leading section of middle level screw mandrel, and internal layer screw mandrel outer surface forward external screw thread and middle level screw mandrel inner surface forward internal thread match; The rearward end of middle level screw mandrel is inserted the leading section of outer screw mandrel, and the reverse external screw thread of median caudal filament rod outer surface and the reverse internal thread of outer screw mandrel inner surface match;
Rear deck is made up of upper and lower two parts, and rear deck the first half is cuboid, and there is a rear deck bolt hole center, and rear deck the latter half is square, and its center is provided with rear card dead slot, and there are two bolts hole its lower end, with two after block bolt and match;
Rearward end and the follower head of outer screw mandrel connect as one; Follower head middle part is groove structure, the cuboid of rear deck the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a follower head bolt hole, rear card drift bolt, through rear deck bolt hole and follower head bolt hole, links together follower head and rear deck;
Described ratchet spanner inside is provided with controls ratchet transfer, and bottom is provided with handle, and ratchet is a cylinder to post, is connected, for exchanging ratchet rotation direction with ratchet spanner internal control ratchet transfer;
2. upwards stir ratchet to post, swinging handle counterclockwise, because ratchet spanner is fixed on the screw mandrel of middle level, drive middle level screw mandrel rotation, internal layer screw mandrel stretches out along the forward internal thread of middle level screw mandrel, middle level screw mandrel is protruding along the reverse internal thread of outer screw mandrel, and the length of internal layer screw mandrel, middle level screw mandrel, outer screw mandrel is all decontroled;
3. unclamp front card bolt and rear card bolt, lightning conducter is put in front card dead slot and rear card dead slot, front clamp seat is positioned at lightning conducter suspension clamp one side and withstands lightning conducter suspension clamp, tighten front card bolt and rear card bolt, lightning conducter can slide between front card dead slot and front card bolt, front card bolt is to prevent that lightning conducter from blocking in dead slot in the past, after rear card bolt tightening, push down lightning conducter, rear deck is fixed on lightning conducter can not slide, and overhead ground wire suspension clamp levelling buffer unit is arranged on lightning conducter;
4. after the installation of overhead ground wire suspension clamp levelling buffer unit, unclamp the U-shaped clamp nut of lightning conducter suspension clamp, because front clamp seat has withstood lightning conducter suspension clamp, the tension force of lightning conducter has just been transferred to overhead ground wire suspension clamp levelling buffer unit from lightning conducter suspension clamp; Stir ratchet downwards to post, swinging handle clockwise, internal layer screw mandrel shrinks along the forward internal thread of middle level screw mandrel, middle level screw mandrel shrinks along the reverse internal thread of outer screw mandrel, can not slide, and lightning conducter can slide in front card dead slot because rear deck is fixed on lightning conducter, lightning conducter suspension clamp is along with the contraction of leading screw, slowly slide, until lightning conducter suspension clamp both sides lightning conducter tension force is equal, lightning conducter suspension clamp is perpendicular to the ground;
5. lightning conducter suspension clamp perpendicular to the ground after, the U-shaped clamp nut of fastening good lightning conducter suspension clamp, removes overhead ground wire suspension clamp levelling buffer unit, completes levelling work.
Beneficial effect of the present invention: when levelling overhead ground wire suspension clamp, prevent the lightning conducter generation impulsive force of sliding suddenly, cause shaft tower acutely to rock, ensure maintenance safety, with low cost, processing technology thereof is simple, volume is little, quality is light, method of operation is simple, safe and reliable, practical, there is the wide market space.
Brief description of the drawings
Fig. 1 is embodiment of the present invention schematic diagram;
Fig. 2 is that the embodiment of the present invention is used view;
Fig. 3 is the fastening U-shaped clamp nut schematic diagram of the embodiment of the present invention;
In figure: front clamp seat 1, front end 2, internal layer screw mandrel 3, ratchet spanner 4, middle level screw mandrel 5, outer screw mandrel 6, follower head 7, rear deck 8, front card drift bolt 9, rear card drift bolt 10, front card dead slot 11, front card bolt 12, ratchet is to post 13, rear card dead slot 14, rear card bolt 15, handle 16, lightning conducter 17, lightning conducter suspension clamp 18.
Embodiment
Below in conjunction with accompanying drawing, by example, the invention will be further described.
A kind of overhead ground wire suspension clamp levelling buffer unit, comprises front clamp seat 1, front end 2, internal layer screw mandrel 3, ratchet spanner 4, middle level screw mandrel 5, outer screw mandrel 6, follower head 7, rear deck 8, front card drift bolt 9, rear card drift bolt 10, front card dead slot 11, front card bolt 12, rear card dead slot 14 and rear card bolt 15.
Front clamp seat 1 is made up of upper and lower two parts, and front clamp seat the first half is cuboid, and there is a front clamp seat bolt hole center, and front clamp seat the latter half is square, and its center is provided with front card dead slot 11, and there are two bolts hole its lower end, with two before block bolt 12 and match.
Front end middle part is groove structure, the cuboid of front clamp seat the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a front end bolt hole, front card drift bolt 9, through front clamp seat bolt hole and front end bolt hole, links together front end and front clamp seat.
Internal layer screw mandrel 3 is cylindrical, and its outer surface is provided with forward external screw thread; Leading section and the front end of internal layer screw mandrel connect as one.
Ratchet spanner 4 is fixed on the screw mandrel of middle level, and middle level screw mandrel 5 is cylindrical, hollow, and its inner surface is provided with forward internal thread, and its outer surface is provided with reverse external screw thread; Outer screw mandrel 6 is cylindrical, hollow, and inner surface is provided with reverse internal thread; The rearward end of internal layer screw mandrel 3 is inserted the leading section of middle level screw mandrel 5, and internal layer screw mandrel 3 outer surface forward external screw threads and middle level screw mandrel 5 inner surface forward internal threads match; The rearward end of middle level screw mandrel 5 is inserted the leading section of outer screw mandrel 6, and the middle level screw mandrel reverse external screw thread of 5 outer surface and the reverse internal thread of outer screw mandrel 6 inner surface match.
Rear deck 8 is made up of upper and lower two parts, and rear deck the first half is cuboid, and there is a rear deck bolt hole center, and rear deck the latter half is square, and its center is provided with rear card dead slot 14, and there are two bolts hole its lower end, with two after block bolt 15 and match.
Rearward end and the follower head 7 of outer screw mandrel 6 connect as one; Follower head middle part is groove structure, the cuboid of rear deck the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a follower head bolt hole, rear card drift bolt 10, through rear deck bolt hole and follower head bolt hole, links together follower head and rear deck.
Described ratchet spanner 4 inside are provided with controls ratchet transfer, and bottom is provided with handle 16, and ratchet is cylinders to post 13, is connected, for exchanging ratchet rotation direction with ratchet spanner 4 internal control ratchet transfers.Controlling ratchet transfer is the public structure of ratchet spanner 4, changes the ratchet rotation direction of ratchet spanner 4.
Described front clamp seat is made with aluminum alloy materials, and front end is made up of Steel material, and internal layer screw mandrel is made up of Steel material, and ratchet spanner is made up of Steel material, and middle level screw mandrel is made up of Steel material, and outer screw mandrel is made up of Steel material, and follower head is made up of Steel material.
The present invention is for after overhead ground wire suspension clamp deflection, and levelling suspension clamp unclamps U-shaped clamp nut, prevents the lightning conducter generation impulsive force of sliding suddenly.
A kind of overhead ground wire suspension clamp regulation method, after overhead ground wire suspension clamp deflection, levelling suspension clamp unclamps U-shaped clamp nut, prevents the lightning conducter generation impulsive force of sliding suddenly, comprises following steps:
1. adopt overhead ground wire suspension clamp levelling buffer unit to carry out, comprise front clamp seat 1, front end 2, internal layer screw mandrel 3, ratchet spanner 4, middle level screw mandrel 5, outer screw mandrel 6, follower head 7, rear deck 8, front card drift bolt 9, rear card drift bolt 10, front card dead slot 11, front card bolt 12, rear card dead slot 14 and rear card bolt 15;
Front clamp seat 1 is made up of upper and lower two parts, and front clamp seat the first half is cuboid, and there is a front clamp seat bolt hole center, and front clamp seat the latter half is square, and its center is provided with front card dead slot 11, and there are two bolts hole its lower end, with two before block bolt 12 and match;
Front end middle part is groove structure, the cuboid of front clamp seat the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a front end bolt hole, front card drift bolt 9, through front clamp seat bolt hole and front end bolt hole, links together front end and front clamp seat;
Internal layer screw mandrel 3 is cylindrical, and its outer surface is provided with forward external screw thread; Leading section and the front end of internal layer screw mandrel connect as one;
Ratchet spanner 4 is fixed on the screw mandrel of middle level, and middle level screw mandrel 5 is cylindrical, hollow, and its inner surface is provided with forward internal thread, and its outer surface is provided with reverse external screw thread; Outer screw mandrel 6 is cylindrical, hollow, and inner surface is provided with reverse internal thread; The rearward end of internal layer screw mandrel 3 is inserted the leading section of middle level screw mandrel 5, and internal layer screw mandrel 3 outer surface forward external screw threads and middle level screw mandrel 5 inner surface forward internal threads match; The rearward end of middle level screw mandrel 5 is inserted the leading section of outer screw mandrel 6, and the middle level screw mandrel reverse external screw thread of 5 outer surface and the reverse internal thread of outer screw mandrel 6 inner surface match;
Rear deck 8 is made up of upper and lower two parts, and rear deck the first half is cuboid, and there is a rear deck bolt hole center, and rear deck the latter half is square, and its center is provided with rear card dead slot 14, and there are two bolts hole its lower end, with two after block bolt 15 and match;
Rearward end and the follower head 7 of outer screw mandrel 6 connect as one; Follower head middle part is groove structure, the cuboid of rear deck the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a follower head bolt hole, rear card drift bolt 10, through rear deck bolt hole and follower head bolt hole, links together follower head and rear deck;
Described ratchet spanner 4 inside are provided with controls ratchet transfer, and bottom is provided with handle 16, and ratchet is cylinders to post 13, is connected, for exchanging ratchet rotation direction with ratchet spanner 4 internal control ratchet transfers;
2. upwards stir ratchet to post 13, swinging handle 16 counterclockwise, because ratchet spanner 4 is fixed on middle level screw mandrel 5, drive middle level screw mandrel 5 to rotate, internal layer screw mandrel 3 stretches out along the forward internal thread of middle level screw mandrel 5, middle level screw mandrel 5 is protruding along the reverse internal thread of outer screw mandrel 6, and the length of internal layer screw mandrel 3, middle level screw mandrel 5, outer screw mandrel 6 is all decontroled;
3. unclamp front card bolt 12 and rear card bolt 15, lightning conducter is put in front card dead slot 11 and rear card dead slot 14, front clamp seat 1 is positioned at lightning conducter suspension clamp one side and withstands lightning conducter suspension clamp, tighten front card bolt 12 and rear card bolt 15, lightning conducter can slide between front card dead slot 11 and front card bolt 12, front card bolt 12 is to prevent that lightning conducter from blocking in dead slot 11 in the past, rear card bolt 15 is pushed down lightning conducter after tightening, make rear deck 8 be fixed on lightning conducter and can not slide, overhead ground wire suspension clamp levelling buffer unit is arranged on lightning conducter;
4. after the installation of overhead ground wire suspension clamp levelling buffer unit, unclamp the U-shaped clamp nut of lightning conducter suspension clamp, because front clamp seat 1 has withstood lightning conducter suspension clamp, the tension force of lightning conducter has just been transferred to overhead ground wire suspension clamp levelling buffer unit from lightning conducter suspension clamp; Stir ratchet downwards to post 13, swinging handle 16 clockwise, internal layer screw mandrel 3 shrinks along the forward internal thread of middle level screw mandrel 5, middle level screw mandrel 5 shrinks along the reverse internal thread of outer screw mandrel 6, and because rear deck 8 is fixed on lightning conducter and can not slides, and lightning conducter can slide in front card dead slot 11, lightning conducter suspension clamp is along with the contraction of leading screw, slowly slide, until lightning conducter suspension clamp both sides lightning conducter tension force is equal, lightning conducter suspension clamp is perpendicular to the ground;
5. lightning conducter suspension clamp perpendicular to the ground after, the U-shaped clamp nut of fastening good lightning conducter suspension clamp, removes overhead ground wire suspension clamp levelling buffer unit, completes levelling work.
Claims (4)
1. an overhead ground wire suspension clamp levelling buffer unit, is characterized in that: comprise front clamp seat (1), front end (2), internal layer screw mandrel (3), ratchet spanner (4), middle level screw mandrel (5), outer screw mandrel (6), follower head (7), rear deck (8), front card drift bolt (9), rear card drift bolt (10), front card dead slot (11), front card bolt (12), rear card dead slot (14) and rear card bolt (15);
Front clamp seat (1) is made up of upper and lower two parts, and front clamp seat the first half is cuboid, and there is a front clamp seat bolt hole center, front clamp seat the latter half is square, its center is provided with front card dead slot (11), and there are two bolts hole its lower end, with two before block bolt (12) and match;
Front end middle part is groove structure, the cuboid of front clamp seat the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a front end bolt hole, front card drift bolt (9), through front clamp seat bolt hole and front end bolt hole, links together front end and front clamp seat;
Internal layer screw mandrel (3) is cylindrical, and its outer surface is provided with forward external screw thread; Leading section and the front end of internal layer screw mandrel connect as one;
Ratchet spanner (4) is fixed on the screw mandrel of middle level, and middle level screw mandrel (5) is cylindrical, hollow, and its inner surface is provided with forward internal thread, and its outer surface is provided with reverse external screw thread; Outer screw mandrel (6) is cylindrical, hollow, and inner surface is provided with reverse internal thread; The rearward end of internal layer screw mandrel (3) is inserted the leading section of middle level screw mandrel (5), and internal layer screw mandrel (3) outer surface forward external screw thread and middle level screw mandrel (5) inner surface forward internal thread match; The rearward end of middle level screw mandrel (5) is inserted the leading section of outer screw mandrel (6), and the reverse external screw thread of middle level screw mandrel (5) outer surface and the reverse internal thread of outer screw mandrel (6) inner surface match;
Rear deck (8) is made up of upper and lower two parts, and rear deck the first half is cuboid, and there is a rear deck bolt hole center, rear deck the latter half is square, its center is provided with rear card dead slot (14), and there are two bolts hole its lower end, with two after block bolt (15) and match;
Rearward end and the follower head (7) of outer screw mandrel (6) connect as one; Follower head middle part is groove structure, the cuboid of rear deck the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a follower head bolt hole, rear card drift bolt (10), through rear deck bolt hole and follower head bolt hole, links together follower head and rear deck.
2. a kind of overhead ground wire suspension clamp levelling buffer unit according to claim 1, it is characterized in that: described ratchet spanner (4) inside is provided with controls ratchet transfer, bottom is provided with handle (16), ratchet is a cylinder to post (13), be connected with ratchet spanner (4) internal control ratchet transfer, for exchanging ratchet rotation direction.
3. a kind of overhead ground wire suspension clamp levelling buffer unit according to claim 1 and 2, it is characterized in that: described front clamp seat aluminum alloy materials is made, front end is made up of Steel material, internal layer screw mandrel is made up of Steel material, ratchet spanner is made up of Steel material, middle level screw mandrel is made up of Steel material, and outer screw mandrel is made up of Steel material, and follower head is made up of Steel material.
4. an overhead ground wire suspension clamp regulation method, after overhead ground wire suspension clamp deflection, levelling suspension clamp unclamps U-shaped clamp nut, prevents the lightning conducter generation impulsive force of sliding suddenly, it is characterized in that comprising following steps:
1. adopt overhead ground wire suspension clamp levelling buffer unit to carry out, comprise front clamp seat (1), front end (2), internal layer screw mandrel (3), ratchet spanner (4), middle level screw mandrel (5), outer screw mandrel (6), follower head (7), rear deck (8), front card drift bolt (9), rear card drift bolt (10), front card dead slot (11), front card bolt (12), rear card dead slot (14) and rear card bolt (15);
Front clamp seat (1) is made up of upper and lower two parts, and front clamp seat the first half is cuboid, and there is a front clamp seat bolt hole center, front clamp seat the latter half is square, its center is provided with front card dead slot (11), and there are two bolts hole its lower end, with two before block bolt (12) and match;
Front end middle part is groove structure, the cuboid of front clamp seat the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a front end bolt hole, front card drift bolt (9), through front clamp seat bolt hole and front end bolt hole, links together front end and front clamp seat;
Internal layer screw mandrel (3) is cylindrical, and its outer surface is provided with forward external screw thread; Leading section and the front end of internal layer screw mandrel connect as one;
Ratchet spanner (4) is fixed on the screw mandrel of middle level, and middle level screw mandrel (5) is cylindrical, hollow, and its inner surface is provided with forward internal thread, and its outer surface is provided with reverse external screw thread; Outer screw mandrel (6) is cylindrical, hollow, and inner surface is provided with reverse internal thread; The rearward end of internal layer screw mandrel (3) is inserted the leading section of middle level screw mandrel (5), and internal layer screw mandrel (3) outer surface forward external screw thread and middle level screw mandrel (5) inner surface forward internal thread match; The rearward end of middle level screw mandrel (5) is inserted the leading section of outer screw mandrel (6), and the reverse external screw thread of middle level screw mandrel (5) outer surface and the reverse internal thread of outer screw mandrel (6) inner surface match;
Rear deck (8) is made up of upper and lower two parts, and rear deck the first half is cuboid, and there is a rear deck bolt hole center, rear deck the latter half is square, its center is provided with rear card dead slot (14), and there are two bolts hole its lower end, with two after block bolt (15) and match;
Rearward end and the follower head (7) of outer screw mandrel (6) connect as one; Follower head middle part is groove structure, the cuboid of rear deck the first half inserts in groove structure, on the two side of groove structure, be respectively provided with a follower head bolt hole, rear card drift bolt (10), through rear deck bolt hole and follower head bolt hole, links together follower head and rear deck;
Described ratchet spanner (4) inside is provided with controls ratchet transfer, and bottom is provided with handle (16), and ratchet is a cylinder to post (13), is connected, for exchanging ratchet rotation direction with ratchet spanner (4) internal control ratchet transfer;
2. upwards stir ratchet to post (13), swinging handle (16) counterclockwise, because ratchet spanner (4) is fixed on middle level screw mandrel (5), drive middle level screw mandrel (5) rotation, internal layer screw mandrel (3) stretches out along the forward internal thread of middle level screw mandrel (5), middle level screw mandrel (5) is protruding along the reverse internal thread of outer screw mandrel (6), and the length of internal layer screw mandrel (3), middle level screw mandrel (5), outer screw mandrel (6) is all decontroled;
3. unclamp front card bolt (12) and rear card bolt (15), lightning conducter is put in front card dead slot (11) and rear card dead slot (14), front clamp seat (1) is positioned at lightning conducter suspension clamp one side and withstands lightning conducter suspension clamp, tighten front card bolt (12) and rear card bolt (15), lightning conducter can slide between front card dead slot (11) and front card bolt (12), front card bolt (12) is to prevent that lightning conducter from blocking in dead slot (11) in the past, rear card bolt (15) is pushed down lightning conducter after tightening, make rear deck (8) be fixed on lightning conducter and can not slide, overhead ground wire suspension clamp levelling buffer unit is arranged on lightning conducter,
4. after the installation of overhead ground wire suspension clamp levelling buffer unit, unclamp the U-shaped clamp nut of lightning conducter suspension clamp, because front clamp seat (1) has withstood lightning conducter suspension clamp, the tension force of lightning conducter has just been transferred to overhead ground wire suspension clamp levelling buffer unit from lightning conducter suspension clamp; Stir ratchet downwards to post (13), swinging handle (16) clockwise, internal layer screw mandrel (3) shrinks along the forward internal thread of middle level screw mandrel (5), middle level screw mandrel (5) shrinks along the reverse internal thread of outer screw mandrel (6), because rear deck (8) is fixed on lightning conducter and can not slides, and lightning conducter can slide in front card dead slot (11), lightning conducter suspension clamp is along with the contraction of leading screw, slowly slide, until lightning conducter suspension clamp both sides lightning conducter tension force is equal, lightning conducter suspension clamp is perpendicular to the ground;
5. lightning conducter suspension clamp perpendicular to the ground after, the U-shaped clamp nut of fastening good lightning conducter suspension clamp, removes overhead ground wire suspension clamp levelling buffer unit, completes levelling work.
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| CN201410414381.8A CN104158119B (en) | 2014-08-22 | 2014-08-22 | A kind of overhead ground wire suspension clamp regulation method and buffer unit |
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| CN201410414381.8A CN104158119B (en) | 2014-08-22 | 2014-08-22 | A kind of overhead ground wire suspension clamp regulation method and buffer unit |
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| CN104158119A true CN104158119A (en) | 2014-11-19 |
| CN104158119B CN104158119B (en) | 2016-07-20 |
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Cited By (3)
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| CN105703278A (en) * | 2016-04-26 | 2016-06-22 | 邹平县供电公司 | Device for overhead ground wire and use method |
| CN105896376A (en) * | 2016-05-26 | 2016-08-24 | 内蒙古电力（集团）有限责任公司薛家湾供电局 | Shakeproof hammer reset device |
| CN106321976A (en) * | 2016-09-28 | 2017-01-11 | 国网冀北电力有限公司承德供电公司 | Suspension clamp installation device |
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| CN202395408U (en) * | 2011-11-22 | 2012-08-22 | 李景禄 | Adjustable gap lightning protection device used for electric power system power transmission line |
| CN204103348U (en) * | 2014-08-22 | 2015-01-14 | 国家电网公司 | A kind of overhead ground wire suspension clamp levelling buffer unit |
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| CN201018241Y (en) * | 2006-12-02 | 2008-02-06 | 李明光 | Suspension plate dedicated for suspension wire clip |
| CN202395408U (en) * | 2011-11-22 | 2012-08-22 | 李景禄 | Adjustable gap lightning protection device used for electric power system power transmission line |
| CN204103348U (en) * | 2014-08-22 | 2015-01-14 | 国家电网公司 | A kind of overhead ground wire suspension clamp levelling buffer unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703278A (en) * | 2016-04-26 | 2016-06-22 | 邹平县供电公司 | Device for overhead ground wire and use method |
| CN105896376A (en) * | 2016-05-26 | 2016-08-24 | 内蒙古电力（集团）有限责任公司薛家湾供电局 | Shakeproof hammer reset device |
| CN106321976A (en) * | 2016-09-28 | 2017-01-11 | 国网冀北电力有限公司承德供电公司 | Suspension clamp installation device |
| CN106321976B (en) * | 2016-09-28 | 2018-04-17 | 国网冀北电力有限公司承德供电公司 | A kind of suspension clamp erecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104158119B (en) | 2016-07-20 |
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