CN211655570U - Auxiliary device for replacing wire clamp - Google Patents
Auxiliary device for replacing wire clamp Download PDFInfo
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- CN211655570U CN211655570U CN202020548047.2U CN202020548047U CN211655570U CN 211655570 U CN211655570 U CN 211655570U CN 202020548047 U CN202020548047 U CN 202020548047U CN 211655570 U CN211655570 U CN 211655570U
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- clamping
- wire clamp
- auxiliary device
- threaded sleeve
- replacing
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- 230000008859 change Effects 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses an auxiliary device for changing fastener, include: the telescopic assembly comprises a threaded sleeve and a screw rod, wherein part of the screw rod extends into the threaded sleeve and is in threaded connection with the threaded sleeve; the clamping seat is provided with a U-shaped clamping groove for embedding a cross arm on the wire tower, and the clamping seat is detachably arranged at the free end of the threaded sleeve; a wire clamp formed by two clamping pieces fastened by a fastener, the wire clamp being connected to a free end of the screw for connecting an overhead wire. The utility model discloses borrow by the cooperation of telescopic machanism and cassette and fastener can make things convenient for, quick shift the perpendicular load with the plumb line to auxiliary device on, and then conveniently change the fastener on the plumb line.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to an auxiliary device for changing fastener.
Background
The overhead line close to the line tower is suspended on the cross arm on the line tower by the suspension line, specifically, the upper end of the suspension line is fixed by the U-shaped bolt, and the lower end is fixed by the line clamp buckled with each other.
However, the wire clamp is exposed outdoors and is affected by severe environments such as overhead wire vibration, strong mechanical stress, shock cooling, sudden heating, wind, rain and thunderstorm, and the like for a long time, so that the wire clamp is broken down, cracked, rusted, deformed and the like, and therefore needs to be replaced in time, otherwise, disconnection or even disconnection accidents are easily caused, and serious potential safety hazards are brought to a power grid.
When changing the fastener, need shift the vertical load of overhead line, and, the vertical load of overhead line is great, among the prior art, the instrument that generally adopts turn-buckle or receipts line pincers, wire rope, adapting unit etc. to constitute shifts plumb line vertical load, and these instruments use loaded down with trivial details, tighten up the mode and can cause instrument and material damage, complex operation inefficiency.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that exists among the prior art, the embodiment of the utility model provides an auxiliary device for changing fastener.
For solving the technical problem, the embodiment of the utility model adopts the following technical scheme:
an auxiliary device for replacing a wire clamp, comprising:
the telescopic assembly comprises a threaded sleeve and a screw rod, wherein part of the screw rod extends into the threaded sleeve and is in threaded connection with the threaded sleeve;
the clamping seat is provided with a U-shaped clamping groove for embedding a cross arm on the wire tower, and the clamping seat is detachably arranged at the free end of the threaded sleeve;
a wire clamp formed by two clamping pieces fastened by a fastener, the wire clamp being connected to a free end of the screw for connecting an overhead wire.
Preferably, a magnet is arranged at the bottom of the clamping groove.
Preferably, a base is arranged at the free end of the screw sleeve, and the clamping seat is detachably arranged on the base; wherein:
the base with wear to be equipped with the round pin axle between the swivel nut, the lower extreme of round pin axle is formed with the shaft shoulder in order to restrict the round pin axle is followed the swivel nut and is deviate from, the upper end of round pin axle is provided with for the axle retaining ring in order to restrict the round pin axle is followed deviate from in the base.
Preferably, the base is provided with oppositely arranged ear plates, and the inner sides of the ear plates are provided with through clamping holes; wherein:
the lower end of the clamping seat is provided with a blind hole, a first spring and a clamping column are arranged in the blind hole, the clamping column retracts to enable the lower end of the clamping seat to extend into the space between the lug plates, and the clamping column partially extends into the clamping hole by means of the elastic force of the first spring.
Preferably, rubber sheets are attached to the inner sides of the two clamping pieces.
Preferably, the two clamping pieces are connected by a connecting component; wherein:
the clamping pieces are provided with through holes, and the through hole in one of the clamping pieces is a waist hole; the connecting assembly includes:
the stud penetrates through the through holes of the two clamping pieces;
a waist cap formed at one end of the stud and corresponding to the waist hole, the waist cap being capable of passing through the waist hole by rotating the waist cap;
and the nut is sleeved at the other end of the stud.
Preferably, a mounting groove is formed in the groove wall of the clamping groove, a pre-tightening block is arranged on the mounting groove, and a second spring is arranged between the pre-tightening block and the groove bottom of the mounting groove.
Compared with the prior art, the utility model discloses an auxiliary device for changing fastener's beneficial effect is:
the utility model discloses borrow by the cooperation of telescopic machanism and cassette and fastener can make things convenient for, quick shift the perpendicular load with the plumb line to auxiliary device on, and then conveniently change the fastener on the plumb line.
Drawings
Fig. 1 is a perspective view of an auxiliary device for replacing a wire clamp according to an embodiment of the present invention in an installation state.
Fig. 2 is a front view of the auxiliary device for replacing a wire clamp according to an embodiment of the present invention in an installation state.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is an exploded perspective view of a wire clamp in an auxiliary device for replacing a wire clamp according to an embodiment of the present invention.
Fig. 5 is an enlarged view of a portion B of fig. 2.
In the figure:
10-a telescopic assembly; 11-thread sleeve; 12-a screw; 20-a card holder; 21-card slot; 30-wire clamp; 31-a clip; 311-kidney shaped hole; 32-a rubber sheet; 40-a base; 41-ear plate; 411-card hole; 50-a connecting assembly; 51-a waist cap; 52-a stud; 53-a nut; 60-a pin shaft; 61-shaft shoulder; 62-a retainer ring for a shaft; 71-a second spring; 72-a pre-tensioning block; 80-a magnet; 91-a first spring; 92-a clamp column; 100-plumb line; 101-wire clamp; 200-cross arm; 300-overhead line.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 5, an embodiment of the present invention discloses an auxiliary device for replacing a wire clamp, specifically, a wire clamp 101 for replacing a lower end of an overhang line 100 shown in fig. 1, the auxiliary device includes: telescopic component 10, base 40, cassette 20, fastener 30.
The telescopic assembly 10 comprises: a threaded sleeve 11 and a screw 12, wherein a first end of the screw 12 extends into the threaded sleeve 11 from a second end of the threaded sleeve 11 and forms a threaded connection with the threaded sleeve 11, so that the telescopic assembly 10 is extended or shortened by rotating the threaded sleeve 11 and the screw 12 relatively.
The base 40 is detachably disposed at a first end of the threaded sleeve 11 through a pin 60, specifically, the pin 60 is inserted from a lower end of the threaded sleeve 11, so that a second end of the pin 60 is retained in the threaded sleeve 11 and stopped by a shoulder 61 on the pin 60 on the threaded sleeve 11 to prevent the pin 60 from being removed from the threaded sleeve 11; the second end of the pin 60 passes through the base 40 and is fitted with a shaft retainer 62, the shaft retainer 62 serving to limit the pin 60 from escaping from the base 40. If it is desired to remove the base 40, the pin 60 can be removed from the base 40 by removing the shaft retainer 62.
The card holder 20 is provided with a U-shaped card slot 21, and the cross arm 200 of the line tower is used for being clamped in the card slot 21; the card holder 20 is detachably disposed on the base 40 so that the retractable assembly 10 is connected to the cross arm 200 via the card holder 20, specifically, the base 40 is provided with opposite ear plates 41, the ear plates 41 are provided with coaxial card holes 411, the lower end of the card holder 20 is provided with a blind hole, and the blind hole is provided with a first spring 91 and a card column 92 therein. The mounting or dismounting process of the card holder 20 and the base 40 is as follows: when the card holder 20 is installed, firstly, the card column 92 on the card holder 20 is retracted by pressing with a hand so that the lower end of the card holder 20 can extend into the space between the ear plates 41, and after the card column 92 is aligned with the card hole 411 on the ear plate 41, under the action of a spring force, part of the card column 92 extends into the card hole 411 of the ear plate 41, so that the card holder 20 is installed on the base 40; when the card holder 20 needs to be disassembled, the tool such as an ejector pin is used to push the card column 92 from the outside of the card hole 411 to retract the card column 92 into the card holder 20, so that the card holder 20 can be removed from between the ear plates 41.
The wire clamp 30 is arranged at the second end of the screw 12, and specifically, the wire clamp 30 comprises two clamping pieces 31, wherein one clamping piece 31 is connected to the second end of the screw 12; the two clamping pieces 31 are buckled and locked to cover the overhead line 300, so that the screw 12 is connected with the overhead line 300; specifically, the two clamping pieces 31 are locked by the connecting components 50 located at two sides, each connecting component 50 includes a stud 52, a kidney-shaped cap 51 formed at one end of the stud 52, and a nut 53 for sleeving the other end of the stud 52; corresponding through holes are formed in the two clamping pieces 31, the through hole in the clamping piece 31 connected with the screw 12 is a waist-shaped hole 311, so that the waist-shaped cap 51 can penetrate through the waist-shaped hole 311 and is limited to penetrate through the waist-shaped hole 311 by rotating for a certain angle, and thus, the waist-shaped cap 51 penetrates through the waist-shaped hole 311 and is limited to be separated from the waist-shaped hole 311 by twisting, so that the two clamping pieces 31 are quickly connected, and the two clamping pieces 31 are locked by screwing a nut 53 to tightly cover the overhead line 300.
In some preferred aspects, a rubber sheet 32 is provided at an inner side of the clip 31 for protecting a surface of the overhead wire 300 when the clip 31 grips the overhead wire 300.
In some preferred schemes, a magnet 80 is disposed on the top of the card slot 21, and is used for controlling the rotation of the magnet 80 by means of a handle, the magnet 80 is a magnet 80 that can achieve magnetic attraction and magnetic disappearance through rotation in the prior art, so that before the card slot 20 is embedded in the cross arm 200, the magnet 80 generates magnetic attraction by rotating the handle, and then the cross arm 200 can be quickly attracted into the card slot 21 of the card slot 20.
In some preferred schemes, a mounting groove is formed in a groove wall of the clamping groove 21, and a second spring 71 and a pre-tightening block 72 capable of partially protruding out of the groove wall of the mounting groove are arranged in the mounting groove; the lower side of the pre-tightening block 72 is formed with a guide slope to allow the cross arm 200 to be smoothly inserted into the card slot 21. The functions of the pre-tightening block 72 and the second spring 71 are as follows: under the action of the second spring 71, the pre-tightening block 72 can always provide a certain pre-tightening force for the cross arm 200 embedded in the slot 21, so that the card holder 20 does not shake seriously during the process of mounting the card holder 20 on the cross arm 200.
The following describes the method of using the above-described auxiliary tool:
when the clip 101 at the lower end of the plumb line 100 needs to be replaced, the cross arm 200 is first inserted into the engaging groove 21 from the lower end of the engaging seat 20, and then the base 40 is connected to the engaging seat 20, so that the retractable assembly 10 is connected to the cross arm 200 via the engaging seat 20.
Then, the length of the telescopic assembly 10 is adjusted to allow the wire clamp 30 at the second end of the screw 12 to easily cover the overhead wire 300, and in particular, the wire clamp 30 on the screw 12 is quickly covered on the overhead wire 300 by using the connecting assembly 50.
Then, the expansion unit 10 is shortened by rotating the threaded sleeve 11, and the vertical load applied to the plumb line 100 is transferred to the auxiliary device, so that the plumb line 100 is loosened, and the wire clamp 101 of the plumb line 100 is conveniently replaced.
After the replacement is completed, the telescopic assembly 10 is extended again, and the vertical load is transferred to the plumb line 100 again, so that the wire clamp 30 and the clamping seat 20 of the device are sequentially disassembled, and the device is disassembled from the cross arm 200 and the overhead line 300.
It should be noted that:
the structure of the clip 101 of the suspension line 100 is shown only by way of example in the drawings, and in fact, the clip 101 of the suspension line 100 is also composed of two jaws 31 and is detachably connected to the suspension line 100, so that, after the vertical load of the suspension line 100 is relieved, replacement of the clip 101 of the lower end of the suspension line 100 is possible.
The utility model has the advantages that:
the utility model discloses borrow by telescopic machanism and cassette 20 and fastener 30's cooperation can be convenient, quick shift the perpendicular load with plumb line 100 to auxiliary device on, and then conveniently change the fastener 101 on the plumb line 100.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (7)
1. An auxiliary device for replacing a wire clamp, comprising:
the telescopic assembly comprises a threaded sleeve and a screw rod, wherein part of the screw rod extends into the threaded sleeve and is in threaded connection with the threaded sleeve;
the clamping seat is provided with a U-shaped clamping groove for embedding a cross arm on the wire tower, and the clamping seat is detachably arranged at the free end of the threaded sleeve;
a wire clamp formed by two clamping pieces fastened by a fastener, the wire clamp being connected to a free end of the screw for connecting an overhead wire.
2. The auxiliary device for replacing a wire clamp according to claim 1, wherein a magnet is arranged on the bottom of the groove.
3. The auxiliary device for replacing a wire clamp according to claim 1, wherein a base is arranged at a free end of the screw sleeve, and the clamping seat is detachably arranged on the base; wherein:
the base with wear to be equipped with the round pin axle between the swivel nut, the lower extreme of round pin axle is formed with the shaft shoulder in order to restrict the round pin axle is followed the swivel nut and is deviate from, the upper end of round pin axle is provided with for the axle retaining ring in order to restrict the round pin axle is followed deviate from in the base.
4. The auxiliary device for replacing a wire clamp according to claim 3, wherein the base is formed with oppositely arranged ear plates, and the inner sides of the ear plates are provided with through clamping holes; wherein:
the lower end of the clamping seat is provided with a blind hole, a first spring and a clamping column are arranged in the blind hole, the clamping column retracts to enable the lower end of the clamping seat to extend into the space between the lug plates, and the clamping column partially extends into the clamping hole by means of the elastic force of the first spring.
5. An auxiliary device for changing a wire clamp according to claim 1, wherein rubber pieces are further attached to the inner sides of the two clamping pieces.
6. An auxiliary device for replacing a wire clamp according to claim 1, wherein the two clamping pieces are connected by a connecting assembly; wherein:
the clamping pieces are provided with through holes, and the through hole in one of the clamping pieces is a waist hole; the connecting assembly includes:
the stud penetrates through the through holes of the two clamping pieces;
a waist cap formed at one end of the stud and corresponding to the waist hole, the waist cap being capable of passing through the waist hole by rotating the waist cap;
and the nut is sleeved at the other end of the stud.
7. The auxiliary device for replacing a wire clamp according to claim 1, wherein a mounting groove is formed at a groove wall of the clamping groove, a pre-tightening block is arranged on the mounting groove, and a second spring is arranged between the pre-tightening block and a groove bottom of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548047.2U CN211655570U (en) | 2020-04-14 | 2020-04-14 | Auxiliary device for replacing wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548047.2U CN211655570U (en) | 2020-04-14 | 2020-04-14 | Auxiliary device for replacing wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211655570U true CN211655570U (en) | 2020-10-09 |
Family
ID=72688783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020548047.2U Active CN211655570U (en) | 2020-04-14 | 2020-04-14 | Auxiliary device for replacing wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211655570U (en) |
-
2020
- 2020-04-14 CN CN202020548047.2U patent/CN211655570U/en active Active
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