CN209948504U - Cable T type terminal blanking cover installs and removes instrument - Google Patents
Cable T type terminal blanking cover installs and removes instrument Download PDFInfo
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- CN209948504U CN209948504U CN201920851787.0U CN201920851787U CN209948504U CN 209948504 U CN209948504 U CN 209948504U CN 201920851787 U CN201920851787 U CN 201920851787U CN 209948504 U CN209948504 U CN 209948504U
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- guide rod
- force guide
- disassembling
- assembling
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- 238000001179 sorption measurement Methods 0.000 claims description 4
- 244000309464 bull Species 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses an instrument is installed and removed to cable T type terminal blanking cover installs and removes operation space that exists narrowly, moment is limited, vulnerable blanking cover and terminal scheduling problem to cable T type terminal blanking cover among the prior art, the utility model discloses instrument is installed and removed to cable T type terminal blanking cover, including guide rod, bull stick, install and remove the batch head, can realize convenient operation, moment abundant, the difficult technological effect that harms blanking cover and terminal, the practicality is strong.
Description
Technical Field
The utility model relates to a cable T type terminal blanking cover instrument of installing and removing.
Background
The cable T-shaped terminal is widely applied to a 10kV distribution network and is mainly used in a ring main unit and a high-voltage branch box. In operation, maintenance and rush repair, the cable is often required to be detected (insulation resistance measurement, voltage withstand test, fault location and the like), and at the moment, the T-shaped terminal plug cover is required to be taken down firstly to expose the wiring terminal, so that the detection can be carried out. Because the design principle of the T-shaped terminal is to ensure that the charged part is completely sealed and insulated, the plug cover is very tightly contacted with the sheath part, and the disassembly and the assembly are inconvenient.
At present generally use sleeve dismouting blanking cover, insert the blanking cover square hole with the sleeve, insert the screwdriver again and make the sleeve rotatory, until the blanking cover is unscrewed completely. This operating method has the following disadvantages: the operation space is narrow, and people need to lean into the ring main unit in a half-squatting mode for a long time and have a sour and soft body; the torque is limited, the length of the screwdriver is short, and the torque is limited during rotation, so that the screwdriver is difficult to rotate during disassembly, and is often not in place during installation, so that an air gap (a discharge channel) exists between the plug cover and the sheath, and partial discharge is caused to further cause failure; meanwhile, due to the inconvenience of force application, workers often drag, pull and bring the cable to two sides vigorously during disassembly and assembly, the square hole of the blocking cover and the T-shaped terminal are easily damaged, and the outgoing line sleeve of the ring main unit is seriously damaged, so that partial discharge and even gas leakage of the box body are caused.
Disclosure of Invention
Operating space who exists is installed and removed to cable T type terminal blanking cover among the prior art is narrow, moment is limited, vulnerable blanking cover and terminal scheduling problem, the utility model provides an instrument is installed and removed to cable T type terminal blanking cover can realize convenient operation, moment abundant, the difficult technological effect who harms blanking cover and terminal, and the practicality is strong.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme:
the cable T-shaped terminal plug cap assembling and disassembling tool comprises a force guide rod, a rotating rod and an assembling and disassembling screwdriver head;
one end of the force guide rod is provided with a detachable assembling and disassembling batch head, the assembling and disassembling batch head is partially positioned in the force guide rod, the part of the assembling and disassembling batch head positioned in the force guide rod is non-cylindrical and is in clearance fit with the force guide rod, and the part of the assembling and disassembling batch head positioned outside the force guide rod is a square cylinder;
the force guide rod is provided with a through hole, and the rotating rod penetrates through the through hole and is in threaded connection with the through hole.
It is right to the utility model discloses technical scheme's further improvement, guide rod one end sets up the blind hole, is provided with magnet in the blind hole, magnet is connected with installing and removing batch head magnetism adsorption. The assembling and disassembling screwdriver head is inserted into the blind hole at one end of the force guide rod, the assembling and disassembling screwdriver head is connected with the magnet in the blind hole in a magnetic adsorption mode, the assembling and disassembling screwdriver head and the force guide rod are convenient to install and disassemble, and the assembling and disassembling screwdriver head is convenient to replace and assemble when different blanking caps are used.
It is right to the utility model discloses technical scheme's further improvement, set up more than one external screw thread portion on the bull stick, the through-hole sets up the internal thread, the external screw thread of external screw thread portion with the internal thread of through-hole cooperatees. The utility model discloses a rotate the bull stick and drive the guide force pole and install and remove the batch head and rotate, install and remove the blanking cover, from this, through rotatory bull stick, be connected the external screw thread of the external screw thread portion of bull stick different positions with the internal thread of through-hole, can change the relative position of bull stick and guide force pole to moment when adjustable rotation bull stick, the abundant of moment when further guaranteeing the operation. When the plugging cover is assembled and disassembled, one end of the rotating rod can be adjusted to be the longest position firstly, the force is exerted to the greatest extent, the rotating rod is adjusted to the center after the plugging cover is slightly unscrewed, two hands hold two ends of the rotating rod to rotate, and therefore the plugging cover can not be deviated to damage the plugging cover and a cable terminal.
It is right to the utility model discloses technical scheme's further improvement, set up the ground ring on the power guide rod. Part cubical switchboard (especially old cubical switchboard) and high-voltage branch case do not have ground connection shutting function (must have a power failure to close just can open the cable compartment and demolish the blanking cover after the ground sword promptly) to the existence of blanking cover makes can't directly test the electricity before the dismouting, has under the electrified condition of cable staff's mistake dismouting blanking cover or the possibility of dismouting in-process cable mistake power transmission, causes the person to electrocute. The utility model discloses the instrument utilizes general 10kV transparency sheath copper earth connection when installing and removing the operation, squeezes into the earth of one end earlier during the use or links to each other with the equipment earthing pole, and the ground loop is cliied to one end, can prevent effectively that the person from electrocuteeing, safe and reliable.
It is right to the utility model discloses technical scheme's further improvement, set up a plurality of through-holes on the power guide rod. The cable bin size (degree of depth) of cubical switchboard is not fixed, and the setting of a plurality of through-holes can be when actual operation, and according to the cable bin size (degree of depth) difference of cubical switchboard, pass suitable through-hole with the bull stick, guarantee the outer net cabinet outside of operating personnel station, and not far away with the net cabinet, be convenient for install and remove the operation.
It is right to the technical scheme of the utility model further improve, the bull stick surface is except that the part of screw portion and guide force pole surface all cover and is had rubber. The rubber is an insulating material and covers the surfaces of the rotating rod and the force guide rod, so that the electric shock risk of operators can be reduced.
It is right to the utility model discloses technical scheme's further improvement, install and remove the size and the terminal blanking cover of batch head square column body part and cooperate. The size of the square column body part of the mounting and dismounting batch head is matched with the terminal block cover, so that the mounting and dismounting operation of the terminal block cover is convenient.
Compared with the prior art, the utility model discloses beneficial effect is:
1. the operation is convenient: when the ring main unit is used, an operator stands outside the ring main unit, stands for operation, and rotates the rotating rod with two hands, so that force is conveniently generated;
2. the moment is sufficient: the arrangement of the rotating rod can improve the defect of limited moment caused by the inherent length of the screwdriver in the conventional method, fully ensure the moment and ensure that the assembly and disassembly operation is more labor-saving and more convenient.
3. The utility model discloses instrument convenient operation, moment are abundant to be convenient for operating personnel installs and removes, the technological effect at difficult damage blanking cover and terminal, the practicality is strong.
4. The utility model discloses the bull stick is not the time spent, can follow the through-hole of guide force pole and unscrew, disassembles, can not occupy great space, conveniently carries.
Drawings
Fig. 1 is a front view of the overall structure of the embodiment of the present invention.
Fig. 2 is a sectional view of the force guide rod a-a according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, one end of a force guide rod 1 is provided with a blind hole 1-2, a magnet 1-3 is arranged in the blind hole 1-2, the part of an assembly and disassembly bit 3, which is positioned in the force guide rod, is a square cylinder and is in clearance fit with the blind hole 1-2, and the assembly and disassembly bit 3 is in magnetic adsorption connection with the magnet 1-3; the part of the assembling and disassembling screwdriver head 3, which is positioned outside the force guide rod 1, is a square cylinder;
the force guide rod 1 is provided with three through holes 1-1, the rotating rod 2 penetrates through the through holes 1-1, the rotating rod 2 is provided with three external thread parts 2-1, the through holes 1-1 are provided with internal threads, and the external threads of the external thread parts 2-1 are matched with the internal threads of the through holes 1-1;
the force guide rod 1 is provided with a grounding ring 1-4;
in the embodiment, the force guide rod 1 and the rotating rod 2 are made of stainless steel solid rods, the assembling and disassembling batch head 3 is of a solid structure and is made of s2 steel;
the surface of the rotating rod 2 except the outer thread part 2-1 and the surface of the force guide rod 1 are covered with rubber;
the assembling and disassembling batch head 3 has four specifications, and the size of the square column part of the assembling and disassembling batch head 3 in the fourth specification, which is positioned outside the force guide rod, is respectively matched with square hole plugging covers of 17/18/19/24mm in four conventional specifications.
The cable T-shaped terminal plugging cap assembling and disassembling tool of the embodiment is used:
1. selecting a matched assembling and disassembling batch head 3 according to the specification of a square hole of a to-be-assembled and disassembled plug, inserting the selected assembling and disassembling batch head 3 into a blind hole 1-2 at one end of a force guide rod 1, and adsorbing the assembling and disassembling batch head 3 by a magnet 1-3 in the blind hole 1-2;
2. according to the size (depth) of a cable bin of the switch cabinet, the rotating rod 2 penetrates through the proper through hole 1-1, so that the outer side of the network cabinet outside an operator station is ensured, and the distance between the rotating rod and the network cabinet is short;
3. when the universal 10kV transparent sheath copper grounding wire is used, a grounding electrode at one end is driven underground or connected with an equipment grounding electrode, and a grounding ring 1-4 is clamped at one end;
4. when the plugging cover is assembled and disassembled, the rotating rod is rotated to connect the external threads of the external thread parts at different positions of the rotating rod with the internal threads of the through hole, one end of the rotating rod is firstly adjusted to be the longest position to exert the largest force, the rotating rod is adjusted to the center after the plugging cover is slightly unscrewed, and two ends of the rotating rod are held by two hands to rotate.
Claims (7)
1. Instrument is installed and removed to cable T type terminal blanking cover, its characterized in that: comprises a force guide rod (1), a rotating rod (2) and an assembling and disassembling batch head (3);
one end of the force guide rod (1) is provided with a detachable assembling and disassembling screwdriver head (3), the assembling and disassembling screwdriver head (3) is partially positioned in the force guide rod (1), the part of the assembling and disassembling screwdriver head (3) positioned in the force guide rod (1) is non-cylindrical and is in clearance fit with the force guide rod (1), and the part of the assembling and disassembling screwdriver head (3) positioned outside the force guide rod (1) is a square cylinder;
the force guide rod (1) is provided with a through hole (1-1), and the rotating rod (2) penetrates through the through hole (1-1) and is in threaded connection with the through hole (1-1).
2. The cable T-terminal closure removal tool of claim 1, wherein: one end of the force guide rod (1) is provided with a blind hole (1-2), a magnet (1-3) is arranged in the blind hole (1-2), and the magnet (1-3) is in magnetic adsorption connection with the assembling and disassembling screwdriver head (3).
3. The cable T-terminal closure removal tool of claim 1, wherein: more than one external thread part (2-1) is arranged on the rotating rod (2), an internal thread is arranged on the through hole (1-1), and the external thread of the external thread part (2-1) is matched with the internal thread of the through hole (1-1).
4. The cable T-terminal closure removal tool of claim 1, wherein: and the force guide rod (1) is provided with a grounding ring (1-4).
5. The cable T-terminal closure removal tool of claim 1, wherein: the force guide rod (1) is provided with a plurality of through holes (1-1).
6. The cable T-terminal closure removal tool of claim 1, wherein: the surface of the rotating rod (2) except the outer thread part (2-1) and the surface of the force guide rod (1) are covered with rubber.
7. The cable T-terminal closure removal tool of claim 1, wherein: the size of the square column body part of the assembling and disassembling batch head (3) is matched with the terminal plugging cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851787.0U CN209948504U (en) | 2019-06-06 | 2019-06-06 | Cable T type terminal blanking cover installs and removes instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851787.0U CN209948504U (en) | 2019-06-06 | 2019-06-06 | Cable T type terminal blanking cover installs and removes instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948504U true CN209948504U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920851787.0U Active CN209948504U (en) | 2019-06-06 | 2019-06-06 | Cable T type terminal blanking cover installs and removes instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN209948504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342378A (en) * | 2020-04-01 | 2020-06-26 | 江苏核电有限公司 | Temporary unlocking tool and unlocking method for insulation measurement of switch cabinet |
-
2019
- 2019-06-06 CN CN201920851787.0U patent/CN209948504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342378A (en) * | 2020-04-01 | 2020-06-26 | 江苏核电有限公司 | Temporary unlocking tool and unlocking method for insulation measurement of switch cabinet |
| CN111342378B (en) * | 2020-04-01 | 2024-03-19 | 江苏核电有限公司 | Temporary unlocking tool and method for switch cabinet insulation measurement |
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