CN212587443U - Load replacement protection device for drop-out fuse - Google Patents
Load replacement protection device for drop-out fuse Download PDFInfo
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- CN212587443U CN212587443U CN202021331660.5U CN202021331660U CN212587443U CN 212587443 U CN212587443 U CN 212587443U CN 202021331660 U CN202021331660 U CN 202021331660U CN 212587443 U CN212587443 U CN 212587443U
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- rod
- drop
- out fuse
- connecting block
- longitudinal
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- 230000009471 action Effects 0.000 claims abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model belongs to the field of hot-line work devices, relates to an auxiliary device for replacing a drop-out fuse, in particular to a load replacement protection device for the drop-out fuse, which comprises a connecting block, wherein the connecting block is cubic, through holes are respectively arranged in the inner part of the insulating sleeve along the longitudinal direction and the transverse direction, an insulating sleeve is arranged in each through hole in a penetrating way, the two insulating sleeves are mutually vertical and distributed in a cross structure, wherein, the transverse rod is arranged along the transverse direction, the longitudinal rod is arranged along the longitudinal direction, the transverse rod and the longitudinal rod can be driven to slide relatively under the action of the connecting block, a clamping block is arranged at one side end part of the transverse rod, the clamping block is used for clamping with a cross arm for installing the drop-out fuse, a flexible cable is arranged in the longitudinal rod in a penetrating way, two ends of the flexible cable extend out from two ends of the longitudinal rod respectively, and the two ends are used for being connected and conducted with an upper lead and a lower lead of the drop-out fuse respectively.
Description
Technical Field
The utility model belongs to live working device field relates to drop out fuse changes and uses auxiliary device, especially a drop out fuse changes protection device with loading.
Background
With the continuous acceleration of the urbanization process, the maintenance method of 'one-line-one-stop-one-large-piece' of a power grid enterprise cannot meet the power utilization requirement of the society, and in order to create a good operator environment and fully improve the power supply reliability, the uninterrupted operation becomes a legal treasure for maintaining the power supply reliability under the condition, so that the 'live working' becomes the most direct method for reducing the power failure of users and the most effective measure for improving the power supply reliability. The fall-out fuse is required to be replaced in a live mode when the fall-out fuse breaks down frequently in a power distribution system, the safety distance of a working site is very small when the fall-out fuse is replaced in a live mode, the fuse of the fall-out fuse falls off and falls off on the ground in the replacement process, the arc discharge phenomenon occurs, the great potential safety hazard is brought to live operators in a bucket, the great danger is brought to the live working of ground electricians, and personal accidents are easy to occur. The drop-out fuse is replaced under the load in the traditional mode, a bypass connection main line is required to be connected with a lower lead of the drop-out fuse, the traditional bypass drainage wire cannot be suitable for various working sites, the phase-to-phase distance of the drop-out fuse is small, the traditional bypass drainage wire is free of a fixing device, the traditional bypass drainage wire is easy to swing, any protection measure is omitted, and accidents are easy to happen. Therefore, a protector for replacing the drop-out fuse under load should be developed, so as to control the potential safety hazard under the situation of zero danger.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rational in infrastructure, convenient fixed, live working's change drop out fuse and change protection device with load.
The utility model provides a drop out fuse is with changing protection device with load which characterized in that: the connecting block is in a cube shape, through holes are respectively formed in the connecting block along the longitudinal direction and the transverse direction, an insulating sleeve penetrates through each through hole, the two insulating sleeves are mutually perpendicular and are distributed in a cross structure, a transverse rod is arranged along the transverse direction, a longitudinal rod is arranged along the longitudinal direction, the transverse rod and the longitudinal rod can be driven to slide relative to each other under the action of the connecting block, a clamping block is installed at one side end of the transverse rod and used for clamping a cross arm for installing a drop-out fuse, a flexible cable penetrates through the longitudinal rod, two ends of the flexible cable respectively extend out of two ends of the longitudinal rod, and the two ends of the flexible cable are respectively used for being connected and conducted with an upper lead and a lower lead of the drop-out fuse.
Furthermore, the cross rod is hollow, an inner rod is integrally installed at the end part of the clamping block and penetrates into the cross rod, an internal thread is formed in the inner rod, a screw is installed at the end part, far away from the clamping block, of the inner rod in a matched mode, a driving mechanism is installed at the rear end part of the screw and can drive the screw to rotate in the circumferential direction, and the inner rod can reciprocate in the axial direction through the matching of the internal thread formed in the inner rod and the screw.
Furthermore, the outside cover of vertical pole is equipped with a movable block, and this movable block can reciprocate along the vertical pole periphery, along wearing to be equipped with a gag lever post with vertical pole vertical direction in the movable block, wear out in the movable block both ends all had the movable block.
Furthermore, in the opposite end surfaces of the connecting block, which are not provided with the through holes, an insulating plate is integrally installed on one end surface, and a handle is integrally installed on the other end surface along the direction perpendicular to the connecting block.
The utility model has the advantages that:
in the utility model, the connecting blocks are adopted to respectively fix the longitudinal rod and the transverse rod, the longitudinal rod and the transverse rod can move relatively through the connecting blocks, the fixture block arranged at one end of the transverse rod is used for fixing the cross arm for installing the drop-out fuse, the transverse rod can move up and down relative to the longitudinal rod, the longitudinal rod can move left and right relative to the transverse rod, and further the positions of the longitudinal rod, the cross arm and the drop-out fuse are adjusted, the adaptability of the longitudinal rod is improved, and the longitudinal rod and the transverse rod can be suitable for different single cross arms, double cross arms and drop-out fuses; the flexible cables which are conducted are arranged in the longitudinal rod and are respectively used for connecting the upper lead and the lower lead of the drop-out fuse, so that the peripheral circuit of the drop-out fuse can still be conducted in the replacement process of the drop-out fuse, and live working is realized.
The utility model discloses in, the removal that the fixture block can be realized to the inside interior pole cooperation drive arrangement who wears the dress of horizontal pole, and the screw rod can take place to rotate for interior pole, and it drives through drive arrangement, and the interior screw-thread fit that makes with interior pole can realize interior pole tip, and feeding of fixture block part is promptly with returning and contract, makes it die fixedly with the cross arm lock.
The utility model discloses in, the movable block can be followed the vertical pole and reciprocated, and its gag lever post along transversely wearing the dress can be fixed with drop out fuse's brake rod crimping.
The utility model discloses in, because can interval installation three-phase drop out fuse on a cross arm, adjacent drop out fuse's interval is very little, and operating space is limited, consequently, adopts the insulation board to keep apart adjacent phase, prevents that operating personnel from changing the in-process and taking place the mistake and touch, and the setting up of handle is convenient for operating personnel and grips and operate.
Drawings
Fig. 1 is a schematic diagram of a module structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a partial schematic view of the inner rod;
FIG. 4 is a schematic structural view of a fixture block and a cross arm in a fixed state;
fig. 5 is a schematic structural diagram of the connecting block moving to the working position.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The utility model provides a drop out fuse is with changing protection device with load, the utility model discloses an innovation lies in, including a connecting block 7, the connecting block is the cube shape, and its inside vertically and transversely make the through-hole respectively along, all wears to be equipped with an insulation support in every through-hole, and two insulation support mutually perpendicular are "ten" structural distribution, wherein sets up to horizontal pole 3 along horizontal, along vertically setting up to vertical pole 6, can drive horizontal pole and vertical pole and carry out relative slip under the effect of connecting block, a fixture block 1 is installed to a side end of horizontal pole, and this fixture block is used for clamping with the cross arm of installation drop out fuse, wear to be equipped with a flexible cable 11 in the vertical pole, two ends of this flexible cable are stretched out by the vertical pole both ends respectively, two ends are used for respectively and switch on with drop out fuse's last lead wire and down pin connection.
In this embodiment, a limiting head 2 is installed at the end of the cross rod, transverse grooves are symmetrically formed on the left side and the right side of the limiting head, the clamping block is L-shaped, and the transverse part 12 of the clamping block is located in the transverse grooves, so that the clamping block is limited from rotating circumferentially.
In this embodiment, the inside cavity of horizontal pole, an interior pole 13 is installed to fixture block tip an organic whole, and this interior pole is worn to adorn inside the horizontal pole, interior pole cavity sets up, and this interior pole is inside to be made to have the internal thread, and its tip cooperation of keeping away from the fixture block installs screw 14, actuating mechanism 8 is installed to the rear end of screw, and this drive arrangement can adopt the motor, and the output of this motor and the coaxial drive of screw can drive screw circumferential direction, and then can drive screw rod reciprocating motion along axial direction through the internal thread that its inside was made and the screw rod cooperation.
In this embodiment, a moving block 4 is sleeved outside the longitudinal rod and can move up and down along the periphery of the longitudinal rod, a limiting rod 5 penetrates through the inner edge of the moving block in the direction perpendicular to the longitudinal rod, and the two ends of the limiting rod penetrate through the moving block.
In this embodiment, the connecting block has two opposite end faces without through holes, wherein one end face is integrally provided with an insulating plate 10, and the other end face is integrally provided with a handle 9 along a direction perpendicular to the connecting block.
The utility model discloses a use is:
the utility model discloses during the use, as shown in fig. 4, operating personnel is outside cross arm 17 with the dop card, then through drive arrangement for horizontal pole and vertical pole clamp one side synchronous motion to the cross arm and clamp fixedly.
Then, as shown in fig. 5, the positions of the transverse rod and the longitudinal rod are adjusted through the connecting block, and the position of the moving block is adjusted, so that the limiting rod is in pressure connection with the drop-out brake on the outer side of the drop-out fuse, and then the joints of the two flexible cables are respectively connected and conducted with the upper lead and the lower lead of the drop-out fuse, and the drop-out fuse can be detached and replaced.
Claims (4)
1. The utility model provides a drop out fuse is with changing protection device with load which characterized in that: the connecting block is in a cube shape, through holes are respectively formed in the connecting block along the longitudinal direction and the transverse direction, an insulating sleeve penetrates through each through hole, the two insulating sleeves are mutually perpendicular and are distributed in a cross structure, a transverse rod is arranged along the transverse direction, a longitudinal rod is arranged along the longitudinal direction, the transverse rod and the longitudinal rod can be driven to slide relative to each other under the action of the connecting block, a clamping block is installed at one side end of the transverse rod and used for clamping a cross arm for installing a drop-out fuse, a flexible cable penetrates through the longitudinal rod, two ends of the flexible cable respectively extend out of two ends of the longitudinal rod, and the two ends of the flexible cable are respectively used for being connected and conducted with an upper lead and a lower lead of the drop-out fuse.
2. The replacement protection device with load for a drop out fuse as claimed in claim 1, wherein: the inner rod is arranged in a hollow mode, internal threads are formed in the inner rod, a screw rod is installed at the end portion, far away from the clamping block, of the inner rod in a matched mode, a driving mechanism is installed at the rear end portion of the screw rod and can drive the screw rod to rotate in the circumferential direction, and the inner rod can reciprocate in the axial direction through the matching of the internal threads formed in the inner rod and the screw rod.
3. The replacement protection device with load for a drop out fuse as claimed in claim 1, wherein: the outside cover of vertical pole is equipped with a movable block, and this movable block can reciprocate along the vertical pole periphery, along wearing to be equipped with a gag lever post with vertical pole vertical direction in the movable block, wear out in this gag lever post both ends have the movable block.
4. The replacement protection device with load for a drop out fuse as claimed in claim 1, wherein: in the opposite two end faces of the connecting block, which are not provided with the through holes, one end face is integrally provided with an insulating plate, and the other end face is integrally provided with a handle along the direction vertical to the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021331660.5U CN212587443U (en) | 2020-07-09 | 2020-07-09 | Load replacement protection device for drop-out fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021331660.5U CN212587443U (en) | 2020-07-09 | 2020-07-09 | Load replacement protection device for drop-out fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212587443U true CN212587443U (en) | 2021-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021331660.5U Active CN212587443U (en) | 2020-07-09 | 2020-07-09 | Load replacement protection device for drop-out fuse |
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| Country | Link |
|---|---|
| CN (1) | CN212587443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884123A (en) * | 2020-07-09 | 2020-11-03 | 国网天津市电力公司 | Load replacement protection device for drop-out fuse and live replacement method thereof |
-
2020
- 2020-07-09 CN CN202021331660.5U patent/CN212587443U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884123A (en) * | 2020-07-09 | 2020-11-03 | 国网天津市电力公司 | Load replacement protection device for drop-out fuse and live replacement method thereof |
| CN111884123B (en) * | 2020-07-09 | 2021-09-21 | 国网天津市电力公司 | Load replacement protection device for drop-out fuse and live replacement method thereof |
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