CN207218122U - Universal tangent tower ground wire lifting device - Google Patents

Abstract

Universal tangent tower ground wire lifting device, including lower stretching wire leading screw (5), the upper Wire tensioning screw (4) with inside and outside reverse thread by screw thread engagement sleeves mounted in lower stretching wire leading screw top, pass through load crossed joint (3) and its pressing plate (8) of the screw thread engagement sleeves on upper Wire tensioning screw, the cantilevered aluminium alloy pedestal (1) being sleeved on by termination otic placode on the end connector of load crossed joint two, it is sleeved on the operation handle (10) of Wire tensioning screw upper end, it is machined in the integral type U-lag mouth connector (6) of lower stretching wire leading screw lower end, the clamping screw (7) being fitted on connector；The cantilevered aluminium alloy pedestal is monoblock type hogback structure, and the downward U-type groove (1a) of notch is carried on hogback, and pedestal the inner is machined with the groove (1b) of up/down perforation, and the biside plate of groove is as termination otic placode.The utility model is easy to operate in transmission line tangent tower aerial earth wire lifting operation, can fast lifting and reset, apply also for all voltage class transmission lines of electricity and light and handy laborsaving, safe and reliable.

Description

Universal tangent tower ground wire lifting device

Technical field

Transmission line tangent tower aerial earth wire hoisting tool technical field is the utility model is related to, especially in lifting ground wire It is allowed to disengage with hardware string, so as to realize the replacing instrument for changing the series of tasks such as ground insulator, gold utensil and line of fall operation.

Background technology

In the prior art, when changing tangent tower ground insulator, gold utensil and line of fall operation, steel bushing kinks lift method, Cucurbit chain lifting method, and personality card general laws.

Steel bushing kinks lift method, and the method for most original, and it is the stress instrument using steel bushing as lifting ground wire, also Be that steel bushing is trapped among on ground wire and thread gripping-board, then pass through steel bushing with a wooden stick, constantly rotated by operating personnel so that Steel bushing, which kinks knotting, to be shortened, and is finally reached the purpose of lifting ground wire.The advantages of this method is：Instrument is simply light, easily finds, It can be suitably used for any tower.Shortcoming is：Operating personnel will have very big strength, and be only used for lower pressure lessly Line, it cannot be used when vertical span is more than 400m.Whole operation process needs 40 minutes, and manually kinks steel bushing and do not lock Tight device, when strength is used up or wooden stick fractures, tighten stress steel bushing will quick Hui Song, the ground wire moment of lifting falls, hair Raw serious security incident, institute are also prohibited from using in recent years in this way.

Cucurbit chain lifting method, is typically hung among ground wire and thread gripping-board with 3T Lever Blocks, is tightened up cucurbit and is reached lifting The purpose of ground wire.Advantage is safety and firmness, and cucurbit has locking device, and will not skid Hui Song, it is not required that operating personnel have very big Strength；Maximum ground wire is GJ-120, Unit Weight 995kg/km on transmission line of electricity, that is to say, that 3T cucurbit can be lifted Vertical span is 3km ground wire, and this is enough the aerial earth wire for covering all transmission lines of electricity.Shortcoming is 3T cucurbits weight 21kg, then is added Upper steel bushing, the big rope of lifting and coaster etc., instrument gross weight reaches 40kg, is highly detrimental to field work and work high above the ground.Due to making More with instrument, operation process is complicated, and whole process needs 80 minutes, very time-consuming.Cucurbit chain receives most in short-term, its both ends Suspension hook and middle agent set and steel bushing total height reach 650mm, because 220kV and following voltage class aerial earth wire are adopted It is direct grounding way, hardware string up to 583mm, most short is 276mm, so cucurbit chain lifting method cannot be used for 220kV and following voltage class aerial earth wire, and 500-800kV transmission lines of electricity also only have the longer insulating frame vacant lot of hardware string Line can use cucurbit chain lifting method, and remaining nonisulated aerial earth wire can not equally use, and the scope of application is very limited.

Personality card general laws, it is according to specific spy as the term suggests the ground wire thread gripping-board of exactly different towers has different fixtures Some ground wire thread gripping-boards carry out the manufacture of amount body.Advantage is：Easy to operate, lifting is quick, securely and reliably.Shortcoming is：Every kind of fixture is only Ground wire thread gripping-board, cannot use when running into other various forms of ground wire thread gripping-boards, can not ensure work corresponding to being used for That makees smoothly completes.Configured specially according to the different towers of different voltage class (35kV, 110kV, 220kV, 500kV, 800kV) With fixture, instrument cost is very big, and is difficult to accomplish all standing, is also required to carry more set special mould clamp ability during field work Meet job requirement, not only complicate work, also make it that personnel's physical demand is excessive.

The content of the invention

The purpose of this utility model is precisely in order to solve above-mentioned the deficiencies in the prior art, there is provided one kind is in transmission line of electricity straight line It is easy to operate in tower aerial earth wire lifting operation, can fast lifting and reset, and can be applied to all voltage class transmission lines of electricity, And light and handy laborsaving, safe and reliable universal tangent tower ground wire lifting device.

The purpose of this utility model is achieved by the following technical solution.

Universal tangent tower ground wire lifting device, including lower stretching wire leading screw, by screw thread engagement sleeves it is mounted in lower stretching wire leading screw Wire tensioning screw on the tubulose with inner hole thread and appearance screw thread on top, by screw thread engagement sleeves on upper Wire tensioning screw Load crossed joint, the pressing plate being pressed in above crossed joint, the cantilever being sleeved on by termination otic placode on the end connector of load crossed joint two Formula aluminium alloy pedestal, the integral type U-lag for being sleeved on the operation handle of Wire tensioning screw upper end, being machined in lower stretching wire leading screw lower end Mouth connector, the clamping screw being fitted on connector；The inner hole thread and appearance screw thread of the upper Wire tensioning screw are screw thread side To opposite positive/negative thread；The cantilevered aluminium alloy pedestal is that bottom surface is concordant and monoblock type hogback that top surface outwards gradually rises Structure, the groove of up/down perforation is machined with the U-type groove that notch is downward, the less the inner of base height on hogback, groove Biside plate is fitted with regulating bolt as termination otic placode in the notch of U-type groove.

Operation handle described in the utility model is that can carry out the operation handle of advance and retreat gear regulation.

The utility model is compared with traditional steel bushing kinks lift method, and operating personnel need not very great strength, 1 people just can be light Pine lifting ground wire, has saved human cost.Whole operation process only needs 20 minutes, has been saved 20 minutes than prior art, works Efficiency greatly promotes.It is and safe and reliable.Compared with traditional cucurbit chain lifting method, whole device structure letter of the present utility model It is single, small volume and less weight, device gross weight 3kg or so, it can be placed in kit and carry with, be very beneficial for field work and high-altitude Operation.Whole operation process only needs 20 minutes, and operation process compared with prior art 80 minutes, operating efficiency is substantially improved；On Thread-tightening lead screw and lower stretching wire screw mandrel receive can most only have 150mm in short-term, much smaller than ground wire hardware tool minimum length 276mm, and ground U-shaped ring need to only be installed when line gold utensil is long additional can just use, so can be used for the ground wire lifting of any gold utensil length, strong applicability. Compared with personality card general laws, the utility model can be used for the ground wire lifting of all transmission line tangent towers, and the scope of application is very wide, Only need to carry set of device with regard to all types of requirements of one's work can be met, used tool is few, in light weight, makes job simplification, light Just change, and greatly saved instrument cost.

The utility model is further elaborated below in conjunction with drawings and examples.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is Fig. 1 top view；

Fig. 3 is Fig. 1 left view；

Fig. 4 is the utility model lifting " upper hanging wire is board-like " ground wire schematic diagram；

Fig. 5 is that the utility model lifts " lower hanging wire is board-like " ground wire schematic diagram；

Fig. 6 is that the utility model lifts " parallel hanging wire is board-like " ground wire schematic diagram；

Fig. 7 is Fig. 6 top view.

Embodiment

As shown in Figure 1, Figure 2, Figure 3 shows, universal tangent tower ground wire lifting device of the present utility model includes lower stretching wire leading screw 5th, by screw thread engagement sleeves on the tubulose of lower stretching wire leading screw top with inner hole thread and appearance screw thread Wire tensioning screw 4, By load crossed joint 3 of the screw thread engagement sleeves on the upper Wire tensioning screw, it is pressed in above crossed joint and solid by flat recess screw 9 Fixed pressing plate 8, the cantilevered aluminium alloy pedestal 1 being sleeved on by termination otic placode on the end connector of load crossed joint two, it is sleeved on The operation handle 10 of Wire tensioning screw upper end, the ground wire that is used to connect for being machined in lower stretching wire leading screw lower end Open Side Down (or extend Gold utensil) integral type U-lag mouth connector 6, the locking screw for being used to lock ground wire (or extend gold utensil) that is fitted on connector Bolt 7.The inner hole thread and appearance screw thread of the upper Wire tensioning screw 4 are the opposite positive/negative thread of hand of spiral.The cantilevered aluminium Alloy pedestal 1 is that bottom surface is concordant and monoblock type hogback structure that top surface outwards gradually rises, is main stress part, is carried on hogback The downward U-type groove 1a of notch, the less the inner of base height are machined with the groove 1b of up/down perforation, and the biside plate of groove is as end Head otic placode, the regulating bolt 2 for adjusting tightness between U-lag 1a and thread gripping-board 11 is fitted with U-type groove 1a notch. The operation handle 10 is that can carry out the operation handle of advance and retreat gear regulation.

Cantilevered aluminium alloy pedestal 1 described in the present embodiment casts for monoblock type, thick 70mm, the high 120mm of outer end hogback, inner Groove width and groove depth for termination the otic placode high 40mm, groove 1b of the installation of load crossed joint are 35mm, U-type groove 1a groove width and Groove depth is respectively 25mm and 100mm.The diameter 20mm of operation handle 10, long 200mm.The upper diameter 22mm of Wire tensioning screw 4, long 150mm, Inner hole thread and appearance screw thread are positive/negative thread.Lower stretching wire leading screw 5 diameter 14mm, long 140mm, the groove width of U-lag mouth connector 6 18mm, groove depth 50mm, the model of clamping screw 7 select 6.8 grades of M10 × 35mm.Whole lifting device gross weight 3kg or so.

The thread gripping-board of tangent tower of overhead power transmission lines mainly has three kinds of modes, respectively Fig. 4 " upper hanging wire is board-like ", Fig. 5 " lower hanging wire is board-like ", Fig. 6 " parallel hanging wire is board-like ", no matter which kind of hanging wire mode, its lifted ground wire operation principle all one Sample.By taking Fig. 4 " upper hanging wire is board-like " as an example, the U-type groove 1a of the outer end of cantilevered aluminium alloy pedestal 1 is buckled on thread gripping-board 11 and fastened Regulating bolt 2, then connector 6 is through on ground wire 12 and is installed in place clamping screw 7, if lower stretching wire leading screw length is not It is enough, U-shaped ring 13 can be installed additional.Because the inner hole thread of upper Wire tensioning screw and the hand of spiral of appearance screw thread are on the contrary, rotation process hand Handle 10 can tighten up Wire tensioning screw 4 and lower stretching wire leading screw 5 simultaneously, so as to reach quick, security improvement ground wire 12 purpose.Ground wire After lifting, hardware string is in relaxed state, now with regard to that can change ground insulator, gold utensil and line of fall operation etc..

Similarly, operated with same procedure, with regard to " lower hanging wire is board-like " shown in Fig. 5 can be completed, " parallel hanging wire is board-like " shown in Fig. 6 Ground wire lifting work.

It is convenient that the utility model is installed and removed, swift to operate, only need 1 people just can easily, fast lifting ground wire, and It will not slip and fall off, securely and reliably, prevent the generation of personal injury, there is extraordinary safety benefit.Instrument weight only has 3kg, 37kg is alleviated than cucurbit chain lifting method, is very beneficial for the development of work high above the ground and field work, operating efficiency is Originally 4 times, and the ground wire lifting of any gold utensil length can be used for, there is extraordinary promotional value.The utility model energy For existing any type of ground wire thread gripping-board, that is to say, that the ground wire lifting of all transmission line tangent towers can be used for, be applicable Scope is very wide, and instrument cost only has original 1/5th, has extraordinary economic benefit.In a word, work is optimized Industry method, ensure that personal safety；Instrument weight is alleviated, improves operating efficiency；Reduce instrument cost, widen use Scope.

Claims (2)

1. universal tangent tower ground wire lifting device, it is characterised in that coordinate suit including lower stretching wire leading screw (5), by screw thread On tubulose of the lower stretching wire leading screw top with inner hole thread and appearance screw thread Wire tensioning screw (4), pass through screw thread and coordinate suit Load crossed joint (3) on upper Wire tensioning screw, the pressing plate (8) being pressed in above crossed joint, load is sleeved on by termination otic placode Cantilevered aluminium alloy pedestal (1) on the end connector of crossed joint two, the operation handle (10) for being sleeved on Wire tensioning screw upper end, processing Integral type U-lag mouth connector (6) in lower stretching wire leading screw lower end, the clamping screw (7) being fitted on connector (6)；It is described The inner hole thread and appearance screw thread of upper Wire tensioning screw (4) are the opposite positive/negative thread of hand of spiral；The cantilevered aluminium alloy base Seat (1) is that bottom surface is concordant and monoblock type hogback structure that top surface outwards gradually rises, with the downward U-type groove of notch on hogback (1a), the less the inner of base height are machined with the groove (1b) of up/down perforation, and the biside plate of groove is as termination otic placode, in U The notch of type groove (1a) is fitted with regulating bolt (2).

2. universal tangent tower ground wire lifting device according to claim 1, it is characterised in that the operation handle (10) For the operation handle of advance and retreat gear regulation can be carried out.