CN206727529U - A kind of replacing fixture of straight line duplex V insulator strings - Google Patents
A kind of replacing fixture of straight line duplex V insulator strings Download PDFInfo
- Publication number
- CN206727529U CN206727529U CN201720391516.2U CN201720391516U CN206727529U CN 206727529 U CN206727529 U CN 206727529U CN 201720391516 U CN201720391516 U CN 201720391516U CN 206727529 U CN206727529 U CN 206727529U
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- China
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- card
- machete
- fixture
- revotating
- screw mandrels
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- Withdrawn - After Issue
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Abstract
It the utility model is related to supplementary power devices technical field, there is provided a kind of replacing fixture of straight line duplex V insulator strings.The fixture includes：Closed fixture, two screw mandrels, machete card and revotating card；The both ends of the closed fixture connect same one end of two screw mandrels respectively, and the other end of two screw mandrels connects the both ends of the revotating card respectively；The center bottom of the revotating card is connected with the top of the machete card, and the revotating card is relatively rotated with the machete card；The tail end of the machete card is provided with the fixed hook of connection triangle yoke plate, is provided with the fulcrum pin axis hole perpendicular to the machete card face on the machete card between the fixed hook and the revotating card and the machete card tie point.The replacing fixture of straight line duplex V insulator strings provided by the utility model, it is easy to operate, securely and reliably, replacing insulator efficiency can be greatly improved, reduce labor intensity and increase economic efficiency.
Description
Technical field
Supplementary power devices technical field is the utility model is related to, more particularly, to a kind of straight line duplex V insulator strings
Replacing fixture.
Background technology
Insulator is the main building block of transmission line of electricity, and two basic roles are played in overhead transmission line, that is, are supported
Wire and prevent electric current return ground.When there is insulator class defect in circuit, it is necessary to be changed to insulator.Extra-high voltage direct-current line
The mountain area of road general way is more, and span is bigger, and load, size and the more general circuit of weight of shaft tower insulator significantly increase
Add.
The replacing instrument of UHVDC Transmission Lines straight line duplex V insulator strings mainly has two kinds at present.Instrument one is tradition
Chain block, concrete methods of realizing are：Insulator chain is tightened up by chain block and thread-lifting hook, so as to transfer load, changed exhausted
Edge.Instrument two is closed type fixture, by tightening up screw mandrel, screw mandrel is replaced insulator load and then is changed among insulator string
Insulator.
Insulator is changed using conventional chains cucurbit, Work tool is heavy, and work flow is cumbersome, and operating personnel is more, and work is strong
Degree is big, due to operation inconvenience in Renewal process, easily causes insulator breakage.Insulator is changed using closed type fixture, can not be changed
First of insulator chain both ends insulator and gold utensil, and be not easy freely to adjust closed fixture clamping direction in order to operate.In a word, use
Above conventional insulators change instrument and the problems such as changing difficulty, efficiency is low, labor intensity is big and operating risk is high be present, to daily
Defect elimination and service work bring very big inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of replacing fixture of straight line duplex V insulator strings, to solve prior art
Middle conventional insulators change the problems such as replacing that instrument is brought is difficult, efficiency is low, labor intensity is big and operating risk is high, so as to for
Daily defect elimination and service work offer convenience.
In order to overcome above mentioned problem or solve the above problems at least in part, the utility model provides a kind of straight line duplex
The replacing fixture of V insulator strings, including：Closed fixture, two screw mandrels, machete card and revotating card；The both ends difference of the closed fixture
Same one end of two screw mandrels is connected, the other end of two screw mandrels connects the both ends of the revotating card respectively；The rotation
The center bottom for turning card is connected with the top of the machete card, and the revotating card is relatively rotated with the machete card；Institute
The tail end for stating machete card is provided with the fixed hook of connection triangle yoke plate, in the fixed hook and the rotation on the machete card
The fulcrum pin axis hole perpendicular to the machete card card face is provided between card and the machete card tie point.
Wherein, right angle hanging plate is installed, the machete card is articulated in institute by the fixed hook on the triangle yoke plate
State on right angle hanging plate.
Wherein, pivot bolt is installed in the fulcrum pin axis hole, using the slope of the triangle yoke plate, passes through the fulcrum
Bolt can be by the machete card clip on the triangle yoke plate.
Wherein, the fulcrum pin axis hole is the fulcrum pin axis hole row being arranged in rows parallel with the slope of the triangle yoke plate.
Wherein, the fulcrum pin axis hole row is multiple rows of to be parallel to each other, to adapt to the triangle yoke plate of different model.
Wherein, the revotating card both ends are provided with groove, corresponding, and two screw mandrels are provided with fixed cutting ferrule, with
By the way that two screw mandrels are connected by the fixed cutting ferrule clip in the groove with the revotating card；In the fixation
Thread bush is provided with above cutting ferrule, with by driving the thread bush to tighten up two screw mandrels.
Wherein, handle is provided with the thread bush, the handle is used to drive the thread bush.
Wherein, the both ends of the closed fixture connect same one end of two screw mandrels and included respectively：The two of the closed fixture
End is respectively hinged at same one end of two screw mandrels.
Wherein, two screw mandrels are provided with adapter in the one end being connected with the closed fixture, and the adapter is used to prolong
The effective length of the long screw mandrel is suitable for the insulator chain of different length.
Wherein, the revotating card is connected with the machete card by rotary shaft.
A kind of replacing fixture of straight line duplex V insulator strings provided by the utility model, can utilize lever balance theory,
In load transfer on insulator chain to reinforced screw mandrel, the replacing of insulator will be realized, operation is flexible, easy, and safety can
Lean on, replacing insulator efficiency can be greatly improved, reduce labor intensity and lift safety in production level, so as to further improve warp
Ji benefit.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of straight line duplex V insulator strings of the utility model embodiment change fixture；
Fig. 2 is the structural representation that the utility model embodiment screw mandrel is connected with revotating card；
Fig. 3 is the structural representation that the utility model embodiment machete card is connected with revotating card.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, implement below in conjunction with the utility model
Accompanying drawing in example, the technical scheme in the utility model is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present utility model, rather than whole embodiments.It is general based on the embodiment in the utility model, this area
The every other embodiment that logical technical staff is obtained on the premise of creative work is not made, belongs to the utility model
The scope of protection.
As one embodiment of the utility model embodiment, the present embodiment provides a kind of straight line duplex V insulator strings
Fixture is changed, with reference to figure 1, for a kind of structural representation of the replacing fixture of straight line duplex V insulator strings of the utility model embodiment
Figure, including：1, two screw mandrel 2 of closed fixture, machete card 3 and revotating card 4.
Wherein, the both ends of closed fixture 1 connect same one end of two screw mandrels 2 respectively, and the other end of two screw mandrels 2 connects respectively
The both ends of revotating card 4；The top of the center bottom connection machete card 3 of revotating card 4, and enable revotating card 4 is relative with machete card 3 to turn
It is dynamic；The tail end of machete card 3 is provided with the fixed hook 301 of connection triangle yoke plate 5, in fixed hook 301 and revotating card on machete card 3
The fulcrum pin axis hole 302 perpendicular to the card face of machete card 3 is provided between 4 and the tie point of machete card 3.
One of embodiment, right angle hanging plate 501 is installed on triangle yoke plate 5, machete card 3 is hung by fixed hook 301
It is connected on right angle hanging plate 501.Pivot bolt is installed in fulcrum pin axis hole 302, passes through the fulcrum using the slope of triangle yoke plate 5
Bolt can be by the clip of machete card 3 on triangle yoke plate 5.
Specifically, the present embodiment is that machete card 3 uses titanium alloy, and pivot bolt uses SiMn materials, other uses
LC4 materials, the work load 7.5T of machete card 3.Weight is no more than 10kg.Revotating card 4 uses titanium alloy, above machete card 3,
Operating personnel can operate on gold utensil, it is possible to reduce livewire work risk.The weight of revotating card 4 is no more than 10kg.Screw mandrel 2, which uses, to be added
Two sets of strong type screw mandrel, live load 6T.Closed fixture 1 uses titanium alloy, and weight is no more than 10kg.
On the clip of machete card 3 to triangle yoke plate 5, apex yoke plate hole will be selected on triangle yoke plate 5 as the first stress
Point, right angle hanging plate 501 is installed in the first stress point, machete card 3 is articulated in into right angle by the fixed hook 301 of machete card 3 hangs
On plate 501.Pivot bolt is installed in fulcrum pin axis hole 302 on machete card 3, the card holder of machete card 3 existed by pivot bolt
On the slope of triangle yoke plate 5, the slope of triangle yoke plate 5 and the application point of the pivot bolt on machete card 3 are fulcrum, with machete card
3 and the tie point of revotating card 4 are the second stress point, machete card 3 is reached equalising torque.
The both ends of revotating card 4 connect same one end of two screw mandrels 2 respectively, and the other end of two screw mandrels 2, which is connected to, to be closed
The both ends of formula card 1, the clip of closed fixture 1 on the steel cap of insulator, when tightening up screw mandrel 2, pass through two silks in straight line duplex V strings
Bar 2, by the load transfer on insulator chain to revotating card 4, then pass through by revotating card 4 tie point of revotating card 4 and machete card 3
By on the second stress point of load transfer to machete card 3.Make the effect no longer loaded of straight line duplex V strings, so as to convenience more
The insulator and gold utensil changed in straight line duplex V strings.
When the clip direction of closed fixture 1 and machete card 3 be not in a plane, revotating card 4 is rotated, makes revotating card 4, two
Root screw mandrel 2 is in a plane with closed fixture 1, then two screw mandrels 2 are connected respectively to the both ends of closed fixture 1, tightens up screw mandrel
2, reach the effect of transfer straight line duplex V string load.
The replacing fixture for a kind of straight line duplex V insulator strings that the utility model embodiment provides, by setting revotating card
4, the Impact direction of screw mandrel 2 according to the clip direction of closed fixture 1, can be freely adjusted, without closed fixture 1 and machete must be made
Card 3 could realize load transfer in approximately the same plane, reduce operation difficulty.Simultaneously as split-type structural, can be torn open
Unload and assemble, convenient in carrying is simple to operate, securely and reliably, can greatly improve operating efficiency.
Wherein, fulcrum pin axis hole 302 is the fulcrum pin axis hole row being arranged in rows parallel with the slope of triangle yoke plate 5.
Specifically, according to above-described embodiment, the fulcrum pin axis hole 302 set on machete card 3 is arranged in rows, and forms branch
Point pin shaft hole row.Multiple pivot bolts need to be installed accordingly, each pivot bolt is in a row, just complete with the slope of triangle yoke plate 5
Full fitting, improve the stability of balanced structure.
The utility model embodiment makes machete card 3 and three by setting rows of fulcrum pin axis hole 302 on machete card 3
The slope of angle yoke plate 5 is preferably bonded, and can improve the stability of balanced structure, so as to improve security reliability.
Wherein, the fulcrum pin axis hole row is multiple rows of to be parallel to each other, to adapt to the triangle yoke plate 5 of different model.
Specifically, power equipment model is not yet in actual transmission line of electricity, used by the transmission line of electricity of different size
Identical to the greatest extent, the model of triangle yoke plate 5 is also not quite similar.In order to adapt to the triangle yoke plate 5 of different model, according to above-described embodiment,
Fulcrum pin axis hole 302 can be arranged to multiple rows of parallel fulcrum pin axis hole row, can be with for the different models of triangle yoke plate 5
Arranged from different fulcrum pin axis holes.
The utility model embodiment, can be according to different three by setting multiple rows of fulcrum pin axis hole to arrange on machete card 3
The model of angle yoke plate 5, different fulcrum pin axis holes is selected to arrange, so as to improve the versatility of insulator replacement tool.
Wherein, with reference to figure 2, the structural representation being connected for the utility model embodiment screw mandrel with revotating card.In figure, rotation
Block 4 both ends and be provided with groove 401, corresponding, two screw mandrels 2 are provided with fixed cutting ferrule 201, are set above fixed cutting ferrule 201
There is thread bush 202, by the way that two screw mandrels 2 are connected by the fixed clip of cutting ferrule 201 in groove 401 with revotating card 4, pass through driving
Thread bush 202 can tighten up two screw mandrels 2.In one of the embodiments, handle, the handle are provided with thread bush 202
For driving thread bush 202.
Specifically, the both ends of revotating card 4 are respectively equipped with a groove 401.A fixation is cased with two screw mandrels 2 respectively
Cutting ferrule 201, two screw mandrels 2 can be freely movable in fixed cutting ferrule 201, and fixed cutting ferrule 201 can be that internal diameter is slightly larger than two
The smooth inner wall of the overall diameter of screw mandrel 2 or the internal thread inwall matched with the screw thread of two screw mandrels 2.
Simultaneously in the top of fixed cutting ferrule 201, two thread bush 202 are provided with two screw mandrels 2, respectively with two spiral shells
Line set 202 is fixedly connected with two handles, by swinging handle, can drive thread bush 202.
Two screw mandrels 2 are respectively put into the groove 401 at the both ends of revotating card 4, fixed cutting ferrule is lived by the clip of groove 401
201, and two screw mandrels 2 are connected to the both ends of revotating card 4, and by Safety buckle, fixed cutting ferrule 201 is fixed on groove
In 401.When swinging handle drives thread bush 202, it can move up and down two screw mandrels 2, when screw mandrel 2 moves up, reach
To the effect for tightening up screw mandrel 2.So as to shift the load on insulator chain, to change insulator.
The utility model embodiment is set admittedly on screw mandrel 2 accordingly by setting groove 401 at the both ends of revotating card 4
Determine cutting ferrule 201 and thread bush 202, make conveniently to remove and install between screw mandrel 2 and revotating card 4, be easy to carry and operate.
Wherein, two screw mandrels are provided with adapter in the one end being connected with the closed fixture, and the adapter is used to prolong
The effective length of the long screw mandrel is suitable for the insulator chain of different length.
Specifically, in actual applications, because the size length of insulator chain differs, when insulator length is long, and
The limited length of screw mandrel, be not suitable for direct in use, adapter can be set up with one end that closed fixture 1 is connected in two screw mandrels 2,
Both ends of set up two top adapters respectively with closed fixture 1 are connected again, so as to increase the effective length of screw mandrel 2, with suitable
For longer insulator chain.
The utility model embodiment can extend the effective length of screw mandrel by setting up adapter in the one end of screw mandrel 2, can
Straight line duplex V insulator strings are made to change defect elimination and maintenance that fixture is applied to longer insulator chain.
Wherein, the both ends of the closed fixture connect same one end of two screw mandrels and included respectively：The two of the closed fixture
End is respectively hinged at same one end of two screw mandrels.
Specifically, it is equipped with same one end of two screw mandrels 2 corresponding according to above-described embodiment, the both ends of closed fixture 1
Connecting hole, using the both ends of closed fixture 1 and two screw mandrels 2 with the connecting hole of one end, the both ends of closed fixture 1 are divided by link bolt
Same one end not with two screw mandrels 2 is hinged.
The utility model embodiment is realized by setting connecting hole at the both ends of closed fixture 1 and same one end of two screw mandrels 2
Closed fixture 1 is articulated and connected with two screw mandrels 2, simple to operate, conveniently removes and installs.
Wherein, with reference to figure 3, it is the structural representation that the utility model embodiment machete card is connected with revotating card, is revolved in figure
Turn card 4 and machete card 3 by rotating axis connection.
Specifically, according to above-described embodiment, rotary shaft is set on the top of machete card 3, accordingly at the bottom of revotating card 4
End middle part sets groove 402, set in groove 402 it is corresponding with the rotary shaft fix and rotating device, by by the rotation
Rotating shaft and fixed and rotating device Matching installation in groove 402, realize the connection between revotating card 4 and machete card 3.So that rotation
Turn that between card 4 and machete card 3 motion can be rotated freely.
The utility model embodiment realizes revotating card 4 by setting rotation axis connection between machete card 3 and revotating card 4
Motion can be rotated freely between machete card 3, so as to avoid the trouble done over again because closed fixture installation direction is improper.
In summary, the replacing fixture of a kind of straight line duplex V insulator strings provided by the utility model, fixture described first
It is divided into several parts, free dismounting and assembling can be carried out, it is convenient to carry；And the fixture employs titanium alloy material, have strong
Degree is high, and light weight, operation process is simple, and security risk is low in operating process.Secondly, the fixture only needs the people of operating personnel 4,
Operation requires low, and operating personnel can comparatively fast grasp operating method, simple to operate, and operating efficiency is high.Again, the fixture can increase
Add whole economic efficiency, be mainly manifested in：First, available for live-line replacing overhang insulation and gold utensil, so as to reduce
Frequency of power cut, power supply reliability is improved, increase economic benefit；Second, easy to operate, operating personnel is few, can improve operating efficiency,
Manpower, time cost are reduced, so as to can also increase through benefit；Third, versatility is preferable, diverse location, the list of type can be directed to
More changing jobs for piece and bunch of insulator, can reduce the deposit of other Work tools, save the buying expenses of Work tool.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should be understood：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical scheme
Spirit and scope.
Claims (10)
- A kind of 1. replacing fixture of straight line duplex V insulator strings, it is characterised in that including：Closed fixture, two screw mandrels, machete card And revotating card；The both ends of the closed fixture connect same one end of two screw mandrels respectively, and the other end of two screw mandrels connects respectively The both ends of the revotating card；The center bottom of the revotating card is connected with the top of the machete card, and enables the revotating card and the machete card phase To rotating；The tail end of the machete card is provided with the fixed hook of connection triangle yoke plate, in the fixed hook and institute on the machete card State the fulcrum pin axis hole being provided between revotating card and the machete card tie point perpendicular to the machete card card face.
- 2. fixture according to claim 1, it is characterised in that right angle hanging plate is installed on the triangle yoke plate, it is described big Knife card is articulated on the right angle hanging plate by the fixed hook.
- 3. fixture according to claim 1, it is characterised in that install pivot bolt in the fulcrum pin axis hole, utilize institute The slope of triangle yoke plate is stated, can be by the machete card clip on the triangle yoke plate by the pivot bolt.
- 4. the fixture according to claim 1 or 3, it is characterised in that the fulcrum pin axis hole is and the triangle yoke plate The parallel fulcrum pin axis hole row being arranged in rows in slope.
- 5. fixture according to claim 4, it is characterised in that the fulcrum pin axis hole row is multiple rows of to be parallel to each other, with Adapt to the triangle yoke plate of different model.
- 6. fixture according to claim 1, it is characterised in that the revotating card both ends are provided with groove, corresponding, and two Screw mandrel described in root is provided with fixed cutting ferrule, with by by the fixed cutting ferrule clip in the groove by two screw mandrels It is connected with the revotating card；Thread bush is provided with above fixing card set, with by driving the thread bush to tighten up two institutes State screw mandrel.
- 7. fixture according to claim 6, it is characterised in that handle is provided with the thread bush, the handle is used for Drive the thread bush.
- 8. fixture according to claim 1, it is characterised in that the both ends of the closed fixture connect two screw mandrels respectively Same one end include：The both ends of the closed fixture are respectively hinged at same one end of two screw mandrels.
- 9. fixture according to claim 1, it is characterised in that two screw mandrels are in the one end being connected with the closed fixture Provided with adapter, the effective length that the adapter is used to extend the screw mandrel is with the insulator chain suitable for different length.
- 10. fixture according to claim 1, it is characterised in that the revotating card and the machete card are connected by rotary shaft Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391516.2U CN206727529U (en) | 2017-04-14 | 2017-04-14 | A kind of replacing fixture of straight line duplex V insulator strings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391516.2U CN206727529U (en) | 2017-04-14 | 2017-04-14 | A kind of replacing fixture of straight line duplex V insulator strings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206727529U true CN206727529U (en) | 2017-12-08 |
Family
ID=60504991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720391516.2U Withdrawn - After Issue CN206727529U (en) | 2017-04-14 | 2017-04-14 | A kind of replacing fixture of straight line duplex V insulator strings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206727529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342553A (en) * | 2017-04-14 | 2017-11-10 | 国家电网公司 | A kind of the replacing fixture and replacing options of straight line duplex V insulator strings |
| CN108512120A (en) * | 2018-05-30 | 2018-09-07 | 广东电网有限责任公司 | Insulator replacement tool |
| CN109217169A (en) * | 2018-08-01 | 2019-01-15 | 云南电网有限责任公司曲靖供电局 | A kind of machete card |
-
2017
- 2017-04-14 CN CN201720391516.2U patent/CN206727529U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342553A (en) * | 2017-04-14 | 2017-11-10 | 国家电网公司 | A kind of the replacing fixture and replacing options of straight line duplex V insulator strings |
| CN107342553B (en) * | 2017-04-14 | 2022-12-02 | 国家电网公司 | Replacing fixture and replacing method for linear duplex V-string insulator |
| CN108512120A (en) * | 2018-05-30 | 2018-09-07 | 广东电网有限责任公司 | Insulator replacement tool |
| CN109217169A (en) * | 2018-08-01 | 2019-01-15 | 云南电网有限责任公司曲靖供电局 | A kind of machete card |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171208 Effective date of abandoning: 20221202 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171208 Effective date of abandoning: 20221202 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |