CN206211404U - One kind changes the light-duty auxiliary hitch of bunch of insulator - Google Patents

Abstract

The light-duty auxiliary hitch of bunch of insulator is changed the utility model discloses one kind, including body, force-supporting belt, self-locking worm-and-wheel gear, gear drive, volume to mechanism and leash, the external rocking arm that power is provided of worm screw of the self-locking worm-and-wheel gear, the worm gear of the self-locking worm-and-wheel gear connects the gear drive by worm-wheel shaft, the volume connects the gear drive to mechanism, and one end of the leash is connected to the volume in mechanism.Draw-gear of the present utility model, using self-locking worm-and-wheel gear, the locked stop of optional position in hoisting process is may be implemented in, so as to avoid needing to set complicated lockable mechanism using other kinds of drive, overall structure is simple, with small volume, lightweight, portable advantage, in operation process, the present apparatus need not be lifted by crane separately, only need inserter bag, so as to reduce labour intensity, operating efficiency is improved.

Description

One kind changes the light-duty auxiliary hitch of bunch of insulator

Technical field

The utility model is related to electric operating Work tool, and in particular to one kind changes the light-duty auxiliary traction dress of bunch of insulator Put.

Background technology

Current 500kV transmission circuit insulator strings hang mainly has I shapes, V-arrangement, with the development in epoch, to reduce Tower head size, reduction track investment cost, diminution line corridor, on 500kV and above electric power line pole tower, especially exist V-arrangement insulator chain is commonly used on 500kV exchanges compact line, ± 500kV DC lines.When operating insulator chain Will form insulator arc-over phenomenon after there is bad condition, easily cause line tripping, thus run unit it is carried out must The replacing wanted.Because the assembling form of V-arrangement string is different compared with I shape strings, and piece number is more, and disk footpath is big, weight weight, insulator center of gravity With construction hanging point not on the same line, under the influence of insulator chain gravity, " bow " shape is formed, shortens effective length of installation in place Degree, so that the technical difficulty changed, operating risk increase many compared with I shapes.The Work tool that operation is used mainly has main traction Rope, cucurbit or suspension rod, grinding machine, 1T (3T) cucurbits or ratchet line lifter etc. are twisted, insulator chain stress are replaced by cucurbit or suspension rod, Insulator chain is removed or in place.

Being removed, in stage key node in place, V-arrangement is changed using 1T (3T) chain blocks or ratchet line lifter whole There is problems with insulator string：

1st, 1T (3T) chain blocks weight is in 10-24kg or so in the market, and weight weight is not portable；

2nd, replacement operation be work high above the ground, 1T chain block installation sites be arranged on cross arm of tower insulator hanging point nearby, Wire yoke plate, operating personnel is limited by job position, not easy to install；

3rd, 1T (3T) chain block needs 3 people to coordinate, and by transmitting rope lifting, increases flow chart, and the activity duration is long, work Intensity is larger；

4th, steel wire rope easily plays stuck strand, fracture, dislocation in the use of ratchet line lifter, and the phenomenon of abjection is difficult after installation.

Problem above can cause replacing insulator string operation process not smooth so that operating risk coefficient is greatly improved, no Beneficial to personnel, equipment safety.

Therefore prior art has much room for improvement and develops.

Utility model content

For above-mentioned the problems of the prior art, the purpose of this utility model is that a kind of replacing bunch of insulator of offer is light Type auxiliary hitch, can replace 1T (3T) chain blocks or ratchet line lifter, to improve operating efficiency and operating personnel Safety.

To realize object above, the technical solution adopted in the utility model is：

One kind changes the light-duty auxiliary hitch of bunch of insulator, including body, is located in the force-supporting belt of bodies top, sets The actuating unit on body and the leash positioned at body bottom portion are put, the actuating unit includes self-locking worm and gear Mechanism, gear drive and volume are to mechanism, the external rocking arm for providing power of worm screw of the self-locking worm-and-wheel gear, institute Stating gear drive includes being arranged on the intermeshing gear wheel of two couples and little gear of self-locking worm-and-wheel gear both sides, The worm gear of the self-locking worm-and-wheel gear connects the gear wheel by worm-wheel shaft, and the volume is arranged on described small to mechanism Rotated between gear and under the drive of the little gear, one end of the leash be connected to the volume in mechanism simultaneously Make oscilaltion under drive of the volume to mechanism to move.

The other end of the leash is provided with load hook.Load hook is used to hook the objects such as the insulator chain of needs lifting.

Tight locking button is additionally provided with the force-supporting belt.It is easy to for this draw-gear to be fixed on the working positions such as cross-arm, wire yoke plate Put.

The replacing light-duty auxiliary hitch of bunch of insulator of the present utility model, using self-locking worm gear structure, should Mechanism possesses auto-lock function, may be implemented in the locked stop of optional position in hoisting process, so as to avoid using other transmission sides Formula needs to set complicated lockable mechanism, therefore overall structure is simple, with small volume, lightweight, portable advantage, Change in the operation process of insulator chain, the present apparatus need not be lifted by crane separately, only need inserter bag such that it is able to reduce Labour intensity, improves operating efficiency.

Brief description of the drawings

Fig. 1 is the overall structure figure of draw-gear of the present utility model；

Fig. 2 is the body structure chart of draw-gear of the present utility model；

Fig. 3 is the body decomposing schematic representation of draw-gear of the present utility model；

Description of reference numerals：1- bodies；2- force-supporting belts；3- leashes；4- self-locking worm-and-wheel gears；5- gear mechanisms Structure；6- volumes to mechanism；7- rocking arms；8- load hooks；9- tight locking buttons.

Specific embodiment

Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.

Embodiment：

Refer to shown in Fig. 1 and Fig. 2, one kind changes the light-duty auxiliary hitch of bunch of insulator, including body 1, wears Force-supporting belt 2 at the top of body 1, the actuating unit being arranged on body 1 and the leash 3 positioned at the bottom of body 1, it is described Actuating unit includes self-locking worm-and-wheel gear 4, gear drive 5 and rolls up to mechanism 6, the self-locking worm and gear machine The external rocking arm 7 for providing power of worm screw of structure 4, the gear drive 5 includes being arranged on 4 liang of self-locking worm-and-wheel gear The intermeshing gear wheel of two couple of side and little gear, the worm gear of the self-locking worm-and-wheel gear 4 are connected by worm-wheel shaft The gear wheel, the volume is arranged between the little gear to mechanism 6 and is rotated under the drive of the little gear, institute The one end for stating leash 3 is connected to the volume in mechanism 6 and making oscilaltion under drive of the volume to mechanism 6 and move.

Wherein, the other end of the leash 3 is provided with load hook 8.Load hook 8 is used to hook the insulator chain for needing lifting Deng object.

Wherein, it is additionally provided with tight locking button 9 on the force-supporting belt 2.It is easy to for this draw-gear to be fixed on cross-arm, wire yoke plate etc. On operating position.

Wherein, body 1 and rocking arm 7 are using 7 series aerospace aluminium alloys；Force-supporting belt 2 uses the terylene material of bandwidth 35mm Matter is constituted, and endurance is about 1000kg, 40 DEG C~80 DEG C of adaptive temperature, about 2 meters of lift stroke；Worm screw and worm-wheel shaft are used 40CR steel, worm gear uses tin bronze；Gear mechanism 5, roll up to mechanism 6, tight locking button 9 use 45# high-carbon steel materials.

Draw-gear of the present utility model, from self-locking turbine and worm mechanism 4, gear drive 5, rolls up to the structure of mechanism 6 Into Poewr transmission mechanism, by forward and reverse shake rocking arm 7, the worm screw rotation of self-locking turbine and worm mechanism 4 is driven, then by certainly The worm screw of locking-type worm-and-wheel gear 4 drives the gear mechanism 5 being erected on the outside of worm-wheel shaft to do forward and reverse rotation, gear mechanism 5 Drive volume to do forward and reverse rotary motion to mechanism 6 simultaneously, done up and down to the force-supporting belt 3 in mechanism 6 so as to drive and be fixed on volume Lifter motion, force-supporting belt 3 is provided with load hook 8, and load hook 8 does reciprocal elevating movement, the object quilt of required lifting with force-supporting belt It is loaded on load hook 8, realizes up and down reciprocatingly drawing the function of lifting object with this.

In replacing insulator string operation, first the tight locking button 9 on force-supporting belt 2 is opened, then force-supporting belt 2 is winded at horizontal stroke On the position of the operating points such as load, wire yoke plate, and the elastic regulation of tight locking button 9 to appropriate level, that is, complete the fixed work of installation.Again The insulator chain of required lifting is hooked on the load hook 8 of the end of leash 3, the other end of leash 3 is finally fixed on volume To in mechanism 6, after tightening up by the folding and unfolding of rotating arm 7 draw insulator chain to installation site.

The replacing light-duty auxiliary hitch of bunch of insulator of the present utility model, using self-locking worm-and-wheel gear 4, should Mechanism possesses auto-lock function, may be implemented in the locked stop of optional position in hoisting process, so as to avoid using other transmission sides Formula needs to set complicated lockable mechanism, therefore overall structure is simple, with small volume, lightweight, portable advantage, Change in the operation process of insulator chain, the present apparatus need not be lifted by crane separately, only need inserter bag such that it is able to reduce Labour intensity, improves operating efficiency.

Above-listed detailed description is directed to illustrating for the utility model possible embodiments, and the embodiment is simultaneously not used to limitation Protection domain of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case In protection domain.

Claims (3)

1. a kind of replacing light-duty auxiliary hitch of bunch of insulator, including body (1), the load being located at the top of body (1) Band (2), the actuating unit being arranged on body (1) and the leash (3) positioned at body (1) bottom, it is characterised in that institute Actuating unit is stated including self-locking worm-and-wheel gear (4), gear drive (5) and is rolled up to mechanism (6), the self-locking snail The external rocking arm (7) for providing power of worm screw of worm and gear mechanism (4), the gear drive (5) is including being arranged on self-locking The intermeshing gear wheel of two couples and little gear of worm-and-wheel gear (4) both sides, the self-locking worm-and-wheel gear (4) Worm gear connects the gear wheel by worm-wheel shaft, and the volume is arranged between the little gear and in the little gear to mechanism (6) Drive under rotate, one end of the leash (3) be connected to the volume in mechanism (6) and in the volume to mechanism (6) oscilaltion campaign is made under drive.

2. it is according to claim 1 to change the light-duty auxiliary hitch of bunch of insulator, it is characterised in that the leash (3) the other end is provided with load hook (8).

3. it is according to claim 1 and 2 to change the light-duty auxiliary hitch of bunch of insulator, it is characterised in that described to hold Tight locking button (9) is additionally provided with power band (2).