CN202197047U - Rocking bar type overhead ground wire lifting device - Google Patents
Rocking bar type overhead ground wire lifting device Download PDFInfo
- Publication number
- CN202197047U CN202197047U CN2011202330205U CN201120233020U CN202197047U CN 202197047 U CN202197047 U CN 202197047U CN 2011202330205 U CN2011202330205 U CN 2011202330205U CN 201120233020 U CN201120233020 U CN 201120233020U CN 202197047 U CN202197047 U CN 202197047U
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- China
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- ground wire
- steel pipe
- rocking bar
- overhead ground
- type overhead
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Abstract
Disclosed is a rocking bar type overhead ground wire lifting device, relating to the technical field of power delivery line lifting work. The rocking bar type overhead ground wire lifting device comprises a clamping apparatus and a hoisting apparatus, wherein the upper portion of the clamping apparatus is provided with a groove stuck upon the tower rod angle iron; a clamping frame arranged at the lower portion of the clamping apparatus is connected with the hoisting apparatus; and the hoisting apparatus is composed of a lifting rack, a coiling steel pipe, a ratchet, tubular shaking heads, a fixing screw, and a suspension hook, with the lifting rack being connected with the clamping frame arranged at the lower portion of the clamping apparatus by connecting the screw and one end of the coiling steel pipe arranged upon the lifting rack being provided with a small sized tubular shaking head while the other end of the coiling steel pipe being provided with a large sized tubular shaking head matched to a rocking bar. The rocking bar type overhead ground wire lifting device of the utility model avoids the damage to the cross-arm under stress with convenient installation and stabilization by fully utilizing the original structure of the double-hanging-point angle iron, enables the task to be independently completed with merely one worker during high altitude construction, and shortens the distance from the hanging point to the hoisting object, with more convenient and rapid installation. The rocking bar type overhead ground wire lifting device of the utility model features a simple and reasonable structure, security, reliability, high working efficiency, and the like.
Description
Technical field
The utility model relates to the technical field of power transmission sequence hoisting operation, relates in particular to a kind of rocker-type overhead ground wire line lifter of power line tower double-angle iron hanging point overhead ground wire.
Background technology
At present; The power transmission sequence shaft tower adopts wineglass tower, cat head tower mostly, and these turriform cross-arm ground wire hanging point places are that double angle and plane are downward, when installing for the high voltage circuit ground wire; The workmen is in order to remove overhead ground wire from pulley block; After the ground wire suspension clamp is installed, utilize the connection gold utensil that ground wire is fixed on ground wire hanging point place, the method for employing is that installation personnel carries out method pickaback, and this method pickaback exists following problem in real work:
(1) because workmen standing place on tower is not the optimum position that is fit to pickaback, strength can not be given full play in process pickaback, has certain difficulty with the correct position that makes ground wire can reach installation pickaback.
(2) pickaback during overhead ground wire because overhead ground wire weight is big, many work high above the ground personnel cause the lumbar strain phenomenon in operation process.
(3) pickaback overhead ground wire because the height shouldered of effect of ground line tension is high more; Tension force is big more; Needed strength is also just big more, a lot of big ground wire operations of span, and the operating personnel does not shoulder the position and from takeing on to come off the situation on ground, ground wire whereabouts takes place owing to ground wire takes place strength inadequately.
(4) this operational method needs two people's coordinating operations on the tower, because standing place and height is different, inharmonious, the inefficiency of cooperatively interacting, labour intensity is big, potential safety hazard is many.
For solving overhead ground wire the practical problem that exists is installed, the operating personnel explores from production practices, has summed up certain methods; With the Method and kit for of lifting lead,, and can't use because of the ground wire suspension clamp connects the gold utensil weak point; Developed subsequently and utilized groove shape steel to be stuck in the Line tool of carrying on the ground wire hanging point angle bar; But because of stressed irrational reason, the instrument of this research and development damages angle bar easily, installs insecure and can't use; We have solved the difficult problem that overhead ground wire is installed through further summing up the erecting tools of having researched and developed a kind of suitable double-angle iron hanging point lifting overhead ground wire in the practice at the scene subsequently.
Summary of the invention
For solving overhead ground wire the practical problem that exists is installed; The utility model provides a kind of rocker-type overhead ground wire line lifter; Its simple and reasonable, esy to use, safe and reliable, suitable single operation on tower, labour intensity is low, the overhead ground wire line lifter of high efficiency.
For realizing the foregoing invention purpose, the utility model adopts following technical scheme:
A kind of rocker-type overhead ground wire line lifter comprises: jig, hoisting apparatus, and said jig top is provided with the draw-in groove that is stuck on the tower bar angle steel, and the card frame that said jig bottom is provided with is connected with hoisting apparatus; Said hoisting apparatus by crane boom, coiling steel pipe, ratchet,
Tubulose is shaken the head, crane boom fixedly screw mandrel, steel wire rope and suspension hook form, crane boom links to each other with the card frame that the jig bottom is provided with through connecting screw mandrel; Crane boom is provided with the coiling steel pipe, and coiling steel pipe one end is provided with ratchet and shakes the head with the supporting small size tubulose of rocking bar, and what be provided with on ratchet and the crane boom prevents
The coiling steel pipeReverse the supporting engagement of ratchet; The coiling steel pipe other end is provided with the supporting large size tubulose of rocking bar shakes the head.
A kind of rocker-type overhead ground wire line lifter,
The coiling steel pipeBe provided with the hanging wire hole that links to each other with steel wire rope, the coiling steel pipe links to each other with fixing screw mandrel through steel wire penetrating lifting hook pulley group.
A kind of rocker-type overhead ground wire line lifter, the handle on the said rocking bar is set to the telescopic adjustment structure.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
A kind of rocker-type overhead ground wire line lifter in the time of can making the workmen carry out work high above the ground, need not used pickaback; Single independence just can be accomplished, and has avoided the waist injury in the work progress, the standing part of this instrument and cross-arm; Make full use of the original structure of double hanging point angle steel, when stressed, avoid the damage to cross-arm, easy for installation, firm, stable, also because of having shortened suspension centre to the distance of lifting by crane thing; Can easily ground wire be risen to suitable installation site; This lifter adopts ratchet to be automatically locked, and that suspension clamp is connected gold utensil is convenient and swift when hanging point is installed removing the ground wire coaster, the steel pipe of this instrument
Tubulose is shaken the headDesigned size two kinds of models, rocking bars adopt scalable automatic adjustable type, make operating personnel select to use according to the tension force of ground wire.This instrument has characteristics such as advantages of simple, safe and reliable, operating efficiency height.
Description of drawings
Fig. 1 is an overhead ground wire lifter overall structure sketch map;
Fig. 2 is a lifter jig part sketch map;
Fig. 3 is a lifting part sketch map;
Fig. 4 fixedly mounts sketch map for lifter on the suspension centre cross-arm.
Among the figure: jig 1, jig jackscrew 2, connect that screw mandrel 3, crane boom 4, coiling steel pipe 5, coiling hanging hole 6, ratchet 7, ratchet 8, tubulose shake the head 9, fixedly screw mandrel 10, steel wire rope 11, suspension hook 12, rocking bar 13.
Embodiment
Like Fig. 1,2,3,4, shown in 5, a kind of rocker-type overhead ground wire line lifter comprises: jig 1, hoisting apparatus, and said jig 1 top is provided with the draw-in groove that is stuck on the tower bar angle steel, and the card frame that said jig 1 bottom is provided with is connected with hoisting apparatus; Said hoisting apparatus by crane boom 4, coiling steel pipe 5, ratchet 7, tubulose shake the head 9, fixedly screw mandrel 10 and suspension hook 12 are formed, crane boom 4 links to each other through the card frame of connection screw mandrel 3 with the setting of jig 1 bottom; Crane boom 4 is provided with coiling steel pipe 5, and coiling steel pipe 5 one ends are provided with ratchet 7 and shake the head 9 with rocking bar 13 supporting small size tubuloses, and what be provided with on ratchet 7 and the crane boom 4 prevents
The coiling steel pipe5 reverse ratchet 8 supporting engagements; Coiling steel pipe 5 other ends are provided with rocking bar 13 supporting large size tubuloses shakes the head 9.
A kind of rocker-type overhead ground wire line lifter,
The coiling steel pipe5 are provided with the hanging wire hole 6 that links to each other with steel wire rope 11, and coiling steel pipe 5 links to each other with fixing screw mandrel 10 through steel wire penetrating suspension hook 12 assembly pulleys.
A kind of rocker-type overhead ground wire line lifter, the handle on the said rocking bar 13 is set to the telescopic adjustment structure.
This line lifter comprises top jig 1; Bottom lifting part two parts constitute, and top jig 1 is installed on the hanging point angle steel 14, and are fixing with jackscrew 2; For the ease of dismounting; This crane boom 4 links to each other with jig 1 through connecting screw 3, and crane boom 4 is provided with coiling steel pipe 5, and coiling steel pipe one end is provided with ratchet 7, ratchet top crane boom 4 is provided with the pawl-and-gearing cooperation and realizes that automatic blocking prevents
The coiling steel pipe5 reverse, and tubulose shakes the 5 one end settings of line device and rocking bar 13 supporting small size tubuloses shake the head 9, and the supporting large size tubulose of other end setting and rocking bar shakes the head 9, and coiling steel pipe 5 links to each other with suspension hook 12 through steel wire rope 11 with set bolt 10.
During use, suspension hook 12 is hung on the ground wire, insert tubulose with rocking bar 13 and shake the head 9, through rotating
Tubulose is shaken the head9 rotate coiling steel pipe 5 tightens up steel wire rope 11 ground wire is promoted, and in order to adapt to the ground wire lifting of various span stress, tubulose shaken the head 9 is designed to two kinds of models, is separately positioned on
The coiling steel pipe5 two ends, little for stress, lightweight ground wire is with ting model
Tubulose is shaken the head9, can improve hoisting velocity, the ground wire that counter stress is big uses big model
Tubulose is shaken the head9 increase lifting strength, and rocking bar 13 is designed to extension type, promote strength so that the base area uniaxial stress improves hoisting velocity with increasing, also can be according to circumstances with two rocking bars, 13 insertion two ends
Tubulose is shaken the head9, shake simultaneously.The pause of shaking in the process can be through ratchet 8 ratchet 7 that be automatically locked of band spring.
The course of work
During use jig 1 is fixed on the cross-arm, fixing with jackscrew 2, crane boom 4 usefulness connection screw is linked to each other with jig 1, put down suspension hook 12, suspension hook 12 is colluded on the overhead ground wire, then rocking bar 13 is inserted into tubulose and shakes the head in 9 the hole, clockwise rotate with rocking bar 13
Tubulose is shaken the head9; Coiling steel pipe 5 is rotated tighten up steel wire rope 11 lifting overhead ground wires; Make overhead ground wire break away from the pulley block position; When ground wire rises to the correct position that can install, stop to promote, the ratchet 7 that will be automatically locked of the ratchet 8 on the crane boom prevents its reverse, and at this moment the operating personnel just can remove pulley block and carry out the installation of ground wire suspension clamp.It should be noted that in operating process little for stress because of the variation of the size of span and hoisting depth all can cause the variation of stress and lifting strength, lightweight ground wire is with ting model
Tubulose is shaken the head9 operations make hoisting velocity fast, and the ground wire that counter stress is big uses big model
Tubulose is shaken the head9 operations increase to promote strength, and rocking bar 13 is designed to extension type, can be so that the length of base area uniaxial stress adjustment rocking bar 13 improve hoisting velocity and promote strength with increasing, and also can use two rocking bars 13 to rotate two ends simultaneously
Tubulose is shaken the head9 carry out ground wire promotes.
Claims (3)
1. rocker-type overhead ground wire line lifter is characterized in that: comprising: jig (1), hoisting apparatus, and said jig (1) top is provided with the draw-in groove that is stuck on the tower bar angle steel, and the card frame that said jig (1) bottom is provided with is connected with hoisting apparatus; Said hoisting apparatus by crane boom (4), coiling steel pipe (5), ratchet (7),
Tubulose is shaken the head(9), crane boom fixedly screw mandrel (10), steel wire rope (11) and suspension hook (12) form, crane boom (4) links to each other with the card frame of jig (1) bottom setting through connecting screw mandrel (3); Crane boom (4) is provided with coiling steel pipe (5), and coiling steel pipe (5) one ends are provided with ratchet (7) and shake the head (9) with the supporting small size tubulose of rocking bar (13), and ratchet (7) is gone up preventing of being provided with crane boom (4)
The coiling steel pipe(5) reverse the supporting engagement of ratchet (8); Coiling steel pipe (5) other end is provided with and the supporting large size tubulose of rocking bar (13) is shaken the head (9).
2. a kind of rocker-type overhead ground wire line lifter as claimed in claim 1 is characterized in that:
The coiling steel pipe(5) be provided with the hanging wire hole (6) that links to each other with steel wire rope (11), coiling steel pipe (5) links to each other with fixing screw mandrel (10) through steel wire penetrating suspension hook (12) assembly pulley.
3. a kind of rocker-type overhead ground wire line lifter as claimed in claim 1, it is characterized in that: the handle on the said rocking bar (13) is set to the telescopic adjustment structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202330205U CN202197047U (en) | 2011-07-05 | 2011-07-05 | Rocking bar type overhead ground wire lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202330205U CN202197047U (en) | 2011-07-05 | 2011-07-05 | Rocking bar type overhead ground wire lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202197047U true CN202197047U (en) | 2012-04-18 |
Family
ID=45951946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202330205U Expired - Fee Related CN202197047U (en) | 2011-07-05 | 2011-07-05 | Rocking bar type overhead ground wire lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202197047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928868A (en) * | 2014-04-24 | 2014-07-16 | 国家电网公司 | Iron tower overhead ground wire lifter |
-
2011
- 2011-07-05 CN CN2011202330205U patent/CN202197047U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928868A (en) * | 2014-04-24 | 2014-07-16 | 国家电网公司 | Iron tower overhead ground wire lifter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20120705 |