CN110957673A - Combined assembly type high-voltage live-line work comprehensive shielding device and use method - Google Patents
Combined assembly type high-voltage live-line work comprehensive shielding device and use method Download PDFInfo
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- CN110957673A CN110957673A CN201911391901.7A CN201911391901A CN110957673A CN 110957673 A CN110957673 A CN 110957673A CN 201911391901 A CN201911391901 A CN 201911391901A CN 110957673 A CN110957673 A CN 110957673A
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- shielding cover
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention relates to a combined assembled type overall shielding device for high-voltage live working and a using method thereof, and the combined assembled type overall shielding device comprises a first shielding cover and a second shielding cover, wherein the first shielding cover and the second shielding cover have the same structure and are both frame structures with openings at the bottoms; a positioning block and a positioning groove are respectively arranged on one adjacent side of the first shielding cover and the second shielding cover, and the positioning block is mutually inserted with the positioning groove; the top of the first shielding cover and the top of the second shielding cover are respectively fixed with a left fixing seat and a right fixing seat which can be connected through bolts. The advantages are that: the pulley is utilized to ensure that the shielding cover stably and rapidly moves on the lead, so that the shielding cover is more convenient to use. The invention is convenient for clamping and fixing the wires with different specifications, can improve the stability of the shielding cover on the wires and improve the heat dissipation effect of the wires in the shielding cover. The positioning block, the positioning groove and the bolt are used for facilitating the positioning, mounting and fastening of the first shielding cover and the second shielding cover, and the second shielding cover and the first shielding cover are combined and spliced.
Description
Technical Field
The invention relates to a combined assembly type high-voltage live-wire work comprehensive shielding device and a using method thereof.
Background
The insulating shielding cover is made of insulating materials and is used for shielding a protective cover of a live conductor or an uncharged conductor part, and in the live working tool, the shielding cover does not play a main insulating role and is only suitable for playing a role in insulating shielding or isolating protection when the live working personnel accidentally collides for a short time, namely the live working personnel is in wiping contact.
However, when the shielding cover for the wire in the existing live-wire work process is used, the inside of the shielding cover is used for fixing the wire, a fixed semicircular structure is usually adopted, the wire with different specifications is difficult to fix, and the existing wire shielding cover is difficult to horizontally move after being fixed on the wire, even if the wire can be moved reluctantly, the wire is easy to damage, the use is inconvenient, meanwhile, the existing wire cannot be spliced and assembled by the shielding cover, when the longer wire needs to be shielded in an insulating way, only two independent shielding covers can be adopted to respectively shield the wire in an insulating way, the use and the carrying are inconvenient, a gap easily exists between the two independent shielding covers, and certain potential safety hazards exist.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a combined and assembled type comprehensive shielding device for high-voltage live-line work and a using method thereof, which have the advantages of capability of clamping and fixing wires with different specifications, convenience in movement and capability of splicing and assembling, and solve the problem that when a shielding cover for the wires in the live-line work process is used, a mechanism for fixing the wires is usually adopted in a fixed semicircular structure, so that the wires with different specifications are difficult to fix; the problem of current wire shield cover fix on the wire after, be difficult to carry out horizontal migration, even can remove reluctantly, also cause the damage to the wire easily is solved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a combined and assembled type overall shielding device for high-voltage live working comprises a first shielding cover and a second shielding cover, wherein the first shielding cover and the second shielding cover have the same structure and are both frame structures with openings at the bottoms; a positioning block and a positioning groove are respectively arranged on one adjacent side of the first shielding cover and the second shielding cover, and the positioning block is mutually inserted with the positioning groove; the top parts of the first shielding cover and the second shielding cover are respectively fixed with a left fixed seat and a right fixed seat which are connected through bolts;
the middle part of the bottom end of the first shielding cover is provided with an outspread lower lip part of the shielding cover, two sides of the top part of the inner cavity of the first shielding cover are fixedly connected with first telescopic rods, the bottom of each first telescopic rod is sleeved with a first spring, the top end of each first spring is fixedly connected with the corresponding first telescopic rod, and the bottom end of each first spring is fixedly connected with the corresponding upper clamping frame; a screw rod is movably sleeved at the top of the inner cavity of the first shielding cover, and one end of the screw rod extends to the outside of the first shielding cover and is fixedly connected with a knob; the screw threads at the two ends of the screw rod are mutually reversely rotated, the screw threads at the two ends of the screw rod are connected with a movable seat, the movable seat is sleeved with the support rod and can slide on the support rod, the support rod is fixed in the first shielding cover and is arranged parallel to the screw rod, the bottom of the movable seat is fixedly connected with the side clamping frames through a connecting frame, the two side clamping frames are oppositely arranged, the inner walls of the side clamping frames are arc-shaped, and rubber pads are arranged on the inner walls of the side clamping frames; the first shielding cover is provided with heat dissipation holes at two sides.
Still include the mount, the axle bed, the fixed axle, the pulley, the second telescopic link, the second spring, the sliding tray has all been seted up at side card frame, last card frame inner wall middle part, fixedly connected with mount in the sliding tray is equipped with the cavity in the mount, the cavity is inserted to second telescopic link one end, the other end and axle bed fixed connection, axle bed and fixed axle connection, fixed axle and pulley activity suit, second spring one end is connected with the mount, the other end with lean on at the axle bed, the second spring winding is outside at the second telescopic link.
One end of the pulley extends to the outside of the side clamping frame and the upper clamping frame.
The middle part activity cover of left side fixing base is equipped with the bolt, and the bolt is close to the one end fixedly connected with square column of left fixing base, and the other end threaded connection of bolt has the nut.
A use method of a combined assembly type high-voltage live-wire work comprehensive shielding device comprises the following operation steps:
s1, clamping the first shielding cover on the wire through the lower lip of the shielding cover at the bottom of the first shielding cover, enabling the wire clamped in the first shielding cover to fall into a cavity formed between the upper clamping frame and the side clamping frame, enabling the top of the wire to be in contact with the bottom of the upper clamping frame, rotating the knob to drive the screw rod to rotate, and driving the two moving seats to move relatively by utilizing the support and the limit of the support rod, enabling the pulley on the side clamping frame to be completely retracted into the sliding groove, and enabling the rubber pad on the arc-shaped inner wall of the side clamping frame to be in contact with the wire, so that the two side clamping frames clamp the wire in a clamped mode;
s2, when the first shielding cover on the wire needs to be moved, the knob is rotated reversely to drive the two moving seats to move back to back, the pulley extends out of the sliding groove, the rubber pad is separated from the outer wall of the wire, and then the first shielding cover can be moved on the wire, and after the first shielding cover is moved to a corresponding position, the wire is clamped and fixed on the side clamping frame according to the step S1;
s3, when the longer lead needs to be insulated and shielded, the positioning block of the first shielding cover is inserted into the positioning groove of the second shielding cover, one end of the bolt is screwed into the right fixing seat of the second shielding cover, the nut is screwed on the bolt, and finally the square column is rotated to drive the second shielding cover to gradually approach the first shielding cover until fastening, so that the combination and assembly of the first shielding cover and the second shielding cover are completed.
Compared with the prior art, the invention has the beneficial effects that:
1. the comprehensive device that shields of combination pin-connected panel high voltage live working is through three groups of pulleys that are located card frame and side card frame, when the cover is shielded in the wire removal in needs, rotate the motion of two moving seat opposite directions on the knob drive lead screw, thereby make the pulley stretch out from the sliding tray, and make the rubber pad keep away from the outer wall of wire, thereby utilize the pulley, it is stable to make the cover that shields, quick removal on the wire, compare in prior art, not only can not cause the damage to the wire when removing, and the speed of removal is faster, it is more convenient to make the use that shields the cover.
2. The device is fully shielded in combination pin-connected panel high voltage live working drives two side card framves on the lead screw and moves relatively or dorsad through rotating the knob to adjust the interval between two side card framves, be convenient for carry out the card to the wire of different specifications and fix, can improve and shield the steadiness of cover on the wire, this structure dispels the heat through the louvre of seting up in shielding the cover side simultaneously, under the condition that does not influence and shields cover insulating shielding performance, improves and shields the radiating effect of cover interior wire.
3. The positioning block is matched with the positioning groove, so that the positioning installation of the first shielding cover and the second shielding cover is facilitated. Compared with the shielding covers which cannot be combined and spliced in the prior art, the structure is more convenient to use and carry, the problem that a gap is easily formed between two independent shielding covers is solved, and the use safety of the shielding covers is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a sectional top view of the side truck.
FIG. 3 is a schematic diagram of the first and second shadow masks.
Fig. 4 is a schematic connection diagram of the movable base.
In the figure: 1. a first shield cover; 2. a lower lip of the shield; 3. a first telescopic rod; 4. a first spring; 5. an upper clamping frame; 6. a screw rod; 7. a support bar; 8. a movable seat; 9. a knob; 10. a connecting frame; 11. a side clamping frame; 12. a rubber pad; 13. heat dissipation holes; 14. a sliding groove; 141. a fixed mount; 142. a second telescopic rod; 143. a second spring; 144. a shaft seat; 145. a fixed shaft; 146. a pulley; 15. a second shield cover; 16. positioning blocks; 17. positioning a groove; 18. a left fixed seat; 19. a right fixed seat; 20. a bolt; 21. a square column; 22. and a nut.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
Referring to fig. 1-4, a combined and assembled type overall shielding device for high-voltage live-wire work comprises a first shielding cover 1 and a second shielding cover 15, wherein the first shielding cover 1 and the second shielding cover 15 have the same structure and are both frame structures with openings at the bottoms; a positioning block 16 and a positioning groove 17 are respectively arranged at one adjacent side of the first shielding cover 1 and the second shielding cover 15, and the positioning block 16 is inserted into the positioning groove 17; the top of the first shielding cover 1 and the second shielding cover 15 are respectively fixed with a left fixed seat 18 and a right fixed seat 19, and the left fixed seat 18 and the right fixed seat 19 are connected through a bolt 20. The middle part of the left fixing seat 18 is movably sleeved with a bolt 20, one end of the bolt 20 close to the left fixing seat 18 is fixedly connected with a square column 21, and the other end of the bolt 20 is in threaded connection with a nut 22.
The middle part of the bottom end of the first shielding cover 1 is provided with an outstretched lower lip part 2 of the shielding cover, two sides of the top part of the inner cavity of the first shielding cover 1 are fixedly connected with first telescopic rods 3, the bottom of each first telescopic rod 3 is sleeved with a first spring 4, the top end of each first spring 4 is fixedly connected with the corresponding first telescopic rod 3, and the bottom end of each first spring 4 is fixedly connected with an upper clamping frame 5; conducting clamping and fixing on the conducting wires with different specifications to drive the upper clamping frame 5 to elastically stretch and contract to adapt to the conducting wires with different diameters; when the shielding cover is installed with the wire, the wire clamped in the shielding cover is limited, so that the side clamping frames 11 can clamp the wire conveniently, and on the other hand, the pulley 146 on the upper clamping frame 5 and the pulleys 146 on the two side clamping frames 11 form a triangular stable supporting structure, so that the stability of the shielding cover when the wire moves is improved.
A screw rod 6 is movably sleeved at the top of the inner cavity of the first shielding cover 1, and one end of the screw rod 6 extends to the outside of the first shielding cover 1 and is fixedly connected with a knob 9; the screw threads at two ends of the screw rod 6 are mutually and reversely rotated, the screw threads at two ends of the screw rod 6 are connected with the movable seat 8, the movable seat 8 is sleeved with the support rod 7, the movable seat 8 can slide on the support rod 7, the support rod 7 is fixed in the first shielding cover 1 and is arranged in parallel with the screw rod 6, the bottom of the movable seat 8 is fixedly connected with the side clamping frames 11 through the connecting frame 10, the two side clamping frames 11 are oppositely arranged, the inner walls of the side clamping frames 11 are arc-shaped, and rubber pads 12 are arranged on the inner walls of the side clamping frames 11; the two sides of the first shielding cover 1 are provided with heat dissipation holes 13, and the heat dissipation effect of the wires in the shielding cover is improved through the heat dissipation holes 1313 under the condition that the insulating shielding performance of the shielding cover is not affected.
Referring to fig. 2, the combined and assembled type high-voltage live-line work overall shielding device further comprises a fixed frame 141, a shaft seat 144, a fixed shaft 145, a pulley 146, a second telescopic rod 142, a second spring 143, a side clamping frame 11, a sliding groove 14 is formed in the middle of the inner wall of an upper clamping frame 5, a fixed frame 141 is fixedly connected in the sliding groove 14, a cavity is formed in the fixed frame 141, one end of the second telescopic rod 142 is inserted into the cavity, the other end of the second telescopic rod is fixedly connected with the shaft seat 144, the shaft seat 144 is connected with the fixed shaft 145, the fixed shaft 145 is movably sleeved with the pulley 146, one end of the second spring 143 is connected with the fixed frame 141, the other end. One end of the pulley 146 extends to the outside of the side clamping frame 11 and the upper clamping frame 5.
Referring to fig. 1 to 4, a method for using a combined and assembled type high-voltage live-line work overall shielding device comprises the following operation steps:
s1, clamping the first shielding cover 1 on a wire through the lower lip part 2 of the shielding cover at the bottom of the first shielding cover, enabling the wire clamped in the first shielding cover 1 to fall into a cavity formed between the upper clamping frame 5 and the side clamping frame 11, enabling the top of the wire to be in contact with the bottom of the upper clamping frame 5, rotating the knob 9 to drive the screw rod 6 to rotate, driving the two movable seats 8 to move relatively by utilizing the support and the limit of the support rod 7, enabling the pulley 146 on the side clamping frame 11 to be completely retracted into the sliding groove 14, and enabling the rubber pad 12 on the arc-shaped inner wall of the side clamping frame 11 to be in contact with the wire, so that the wire can be clamped by the two side clamping frames 11;
s2, when the first shielding cover 1 on the wire needs to be moved, the knob 9 is rotated reversely to drive the two moving seats 8 to move back to back, the pulley 146 is made to extend out of the sliding groove 14, the rubber pad 12 is made to be separated from the outer wall of the wire, and then the first shielding cover 1 can be moved on the wire, and after the first shielding cover 1 is moved to the corresponding position, the wire is clamped on the side clamping frame 11 according to the step S1;
s3, when the longer lead needs to be insulated and shielded, the positioning block 16 of the first shielding cover 1 is inserted into the positioning groove 17 of the second shielding cover 15, one end of the bolt 20 is screwed into the right fixed seat 19 of the second shielding cover 15, the nut 22 is screwed on the bolt 20, and finally the square column 21 is rotated to drive the second shielding cover 15 to gradually approach the first shielding cover 1 until fastening, so that the combination and assembly of the first shielding cover 1 and the second shielding cover 15 are completed.
Claims (5)
1. A combined and assembled type overall shielding device for high-voltage live working is characterized by comprising a first shielding cover and a second shielding cover, wherein the first shielding cover and the second shielding cover have the same structure and are both frame structures with openings at the bottoms; a positioning block and a positioning groove are respectively arranged on one adjacent side of the first shielding cover and the second shielding cover, and the positioning block is mutually inserted with the positioning groove; the top parts of the first shielding cover and the second shielding cover are respectively fixed with a left fixed seat and a right fixed seat which are connected through bolts;
the middle part of the bottom end of the first shielding cover is provided with an outspread lower lip part of the shielding cover, two sides of the top part of the inner cavity of the first shielding cover are fixedly connected with first telescopic rods, the bottom of each first telescopic rod is sleeved with a first spring, the top end of each first spring is fixedly connected with the corresponding first telescopic rod, and the bottom end of each first spring is fixedly connected with the corresponding upper clamping frame; a screw rod is movably sleeved at the top of the inner cavity of the first shielding cover, and one end of the screw rod extends to the outside of the first shielding cover and is fixedly connected with a knob; the screw threads at the two ends of the screw rod are mutually reversely rotated, the screw threads at the two ends of the screw rod are connected with a movable seat, the movable seat is sleeved with the support rod and can slide on the support rod, the support rod is fixed in the first shielding cover and is arranged parallel to the screw rod, the bottom of the movable seat is fixedly connected with the side clamping frames through a connecting frame, the two side clamping frames are oppositely arranged, the inner walls of the side clamping frames are arc-shaped, and rubber pads are arranged on the inner walls of the side clamping frames; the first shielding cover is provided with heat dissipation holes at two sides.
2. The combined and assembled type high-voltage live-line work comprehensive shielding device according to claim 1, further comprising a fixing frame, a shaft seat, a fixing shaft, a pulley, a second telescopic rod and a second spring, wherein sliding grooves are formed in the middle of the inner walls of the side clamping frame and the upper clamping frame, the fixing frame is fixedly connected in the sliding grooves, a cavity is formed in the fixing frame, one end of the second telescopic rod is inserted into the cavity, the other end of the second telescopic rod is fixedly connected with the shaft seat, the shaft seat is connected with the fixing shaft, the fixing shaft is movably sleeved with the pulley, one end of the second spring is connected with the fixing frame, the other end of the second spring abuts against the shaft.
3. The combined assembled high-voltage live-wire work overall shielding device as claimed in claim 2, wherein one end of the pulley extends to the outside of the side clamping frame and the upper clamping frame.
4. The combined assembled high-voltage live-line work overall shielding device as claimed in claim 1, wherein a bolt is movably sleeved in the middle of the left fixing seat, a square column is fixedly connected to one end of the bolt close to the left fixing seat, and a nut is connected to the other end of the bolt in a threaded manner.
5. The use method of the combined assembled high-voltage hot-line work overall shielding device according to any one of claims 1 to 4, characterized by comprising the following operation steps:
s1, clamping the first shielding cover on the wire through the lower lip of the shielding cover at the bottom of the first shielding cover, enabling the wire clamped in the first shielding cover to fall into a cavity formed between the upper clamping frame and the side clamping frame, enabling the top of the wire to be in contact with the bottom of the upper clamping frame, rotating the knob to drive the screw rod to rotate, and driving the two moving seats to move relatively by utilizing the support and the limit of the support rod, enabling the pulley on the side clamping frame to be completely retracted into the sliding groove, and enabling the rubber pad on the arc-shaped inner wall of the side clamping frame to be in contact with the wire, so that the two side clamping frames clamp the wire in a clamped mode;
s2, when the first shielding cover on the wire needs to be moved, the knob is rotated reversely to drive the two moving seats to move back to back, the pulley extends out of the sliding groove, the rubber pad is separated from the outer wall of the wire, and then the first shielding cover can be moved on the wire, and after the first shielding cover is moved to a corresponding position, the wire is clamped and fixed on the side clamping frame according to the step S1;
s3, when the longer lead needs to be insulated and shielded, the positioning block of the first shielding cover is inserted into the positioning groove of the second shielding cover, one end of the bolt is screwed into the right fixing seat of the second shielding cover, the nut is screwed on the bolt, and finally the square column is rotated to drive the second shielding cover to gradually approach the first shielding cover until fastening, so that the combination and assembly of the first shielding cover and the second shielding cover are completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391901.7A CN110957673A (en) | 2019-12-30 | 2019-12-30 | Combined assembly type high-voltage live-line work comprehensive shielding device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391901.7A CN110957673A (en) | 2019-12-30 | 2019-12-30 | Combined assembly type high-voltage live-line work comprehensive shielding device and use method |
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| Publication Number | Publication Date |
|---|---|
| CN110957673A true CN110957673A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911391901.7A Pending CN110957673A (en) | 2019-12-30 | 2019-12-30 | Combined assembly type high-voltage live-line work comprehensive shielding device and use method |
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| CN (1) | CN110957673A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383010A (en) * | 2020-09-21 | 2021-02-19 | 国网河南省电力公司安阳供电公司 | Power wire fixing device |
| CN112467620A (en) * | 2020-12-16 | 2021-03-09 | 国网山东省电力公司昌乐县供电公司 | Shielding device and shielding method for live construction |
| CN113507075A (en) * | 2021-05-27 | 2021-10-15 | 浙江大有实业有限公司带电作业分公司 | Wire insulation shielding pipe convenient to install |
-
2019
- 2019-12-30 CN CN201911391901.7A patent/CN110957673A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383010A (en) * | 2020-09-21 | 2021-02-19 | 国网河南省电力公司安阳供电公司 | Power wire fixing device |
| CN112383010B (en) * | 2020-09-21 | 2024-02-06 | 国网河南省电力公司安阳供电公司 | Electric power wire fixing device |
| CN112467620A (en) * | 2020-12-16 | 2021-03-09 | 国网山东省电力公司昌乐县供电公司 | Shielding device and shielding method for live construction |
| CN113507075A (en) * | 2021-05-27 | 2021-10-15 | 浙江大有实业有限公司带电作业分公司 | Wire insulation shielding pipe convenient to install |
| CN113507075B (en) * | 2021-05-27 | 2022-09-06 | 浙江大有实业有限公司带电作业分公司 | Wire insulation shielding pipe convenient to install |
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Application publication date: 20200403 |