CN202745679U - Composite insulator rope ladder under DC (direct current) 500kV line - Google Patents
Composite insulator rope ladder under DC (direct current) 500kV line Download PDFInfo
- Publication number
- CN202745679U CN202745679U CN 201220459130 CN201220459130U CN202745679U CN 202745679 U CN202745679 U CN 202745679U CN 201220459130 CN201220459130 CN 201220459130 CN 201220459130 U CN201220459130 U CN 201220459130U CN 202745679 U CN202745679 U CN 202745679U
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- CN
- China
- Prior art keywords
- suspender belt
- hanging
- ratchet
- spool
- rope ladder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to the field of maintenance tools on a power tower, and particularly relates to a composite insulator rope ladder under a DC (direct current) 500kV line. The composite insulator rope ladder comprises two upper hanging points, a lower single hook, hanging straps and a stepping cross bars. The composite insulator rope ladder is characterized in that the two upper hanging points are connected with each other through an insulation slab; the lower single hook is 150mm to 200mm wide; each stepping cross bar is 300mm to 350mm wide; each upper hanging point comprises a hanging body, a hanging strap reel and a reel location device; a notch is formed in each hanging body and corresponds to the cross bar; each hanging strap reel is movably connected with the corresponding hanging body; one end of each hanging strap reel is provided with a polygonal head, and the other end of the hanging strap reel is connected with the corresponding reel location device; a through groove is formed in each hanging strap reel; and the end of each hanging strap is fixed on the corresponding through groove. In comparison with the prior art, the composite insulator rope ladder has the advantages that by virtu of the dual hanging point structure, the anti-rotation performance of the rope ladder is improved, and the rotation and shaking are alleviated while maintenance personnel descend the ladder so as to avoid falling casualty accidents of the maintenance personnel caused by panics.
Description
Technical field
The utility model relates to maintenance activity field of tool on the electric force pole tower, relates in particular to composite insulator rope ladder under a kind of direct current 500kV circuit.
Background technology
The lower composite insulator rope ladder of present domestic use, the upper end that is mostly of employing is the structure of single hook for single hanging point, lower end.During use, first the lower end is hooked on the wire, the upper end is hooked on the cross-arm angle steel, and then tightening up suspender belt can descend for maintainer's edge ladder.Its weak point is, easily rotates during lower rope ladder and rocks, and causes the scaler panic, falls, and exists great potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide composite insulator rope ladder under a kind of direct current 500kV circuit, and the Rotation when avoiding descending stair is convenient to install, and is safe and reliable.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Composite insulator rope ladder under the direct current 500kV circuit, comprise hanging point, the hook that places an order, suspender belt and foot-operated cross bar, described upper hanging point is double hanging point, links to each other by the insulation lath between two upper hanging points, and the hook width that places an order is that 150-200mm, foot-operated cross bar width are 300-350mm;
Upper hanging point comprises hanging body, suspender belt spool and spool positioner, corresponding cross-arm is provided with gap on the hanging body, suspender belt spool and hanging body are flexibly connected, one end of suspender belt spool is polygonal head, the other end of suspender belt spool links to each other with the spool positioner, the suspender belt spool is provided with groove, and the suspender belt end is fixed on the groove;
Described spool positioner comprises cover cap, ratchet, ratchet and swing handle, ratchet is located at the other end of suspender belt spool, cover cap is provided with ratchet, be provided with spring between ratchet and the cover cap, swing handle is located at the tail end of ratchet, cover cap is with after hanging body is connected, and the head end of ratchet is embedded between the outer rim groove of ratchet, stops the rotation of suspender belt spool to realize the location.
One side of described swing handle is provided with the pointed projections of location usefulness, and corresponding cover cap place is provided with groove, when pointed projections falls into groove, the suspender belt spool is fixed and can not rotates relative to cover cap, when mentioning swing handle when pointed projections and groove are broken away from, the suspender belt spool is namely rotatable, realizes that the degree of tightness of suspender belt is regulated.
Described foot-operated cross bar comprises insulated pipes used, end cap and suspender belt fixed strip, and the insulated pipes used two ends are provided with end cap, and insulated pipes used inside is provided with the suspender belt fixed strip, and the two ends of suspender belt fixed strip are fixedly connected with two suspender belts that run through insulated pipes used respectively.
Compared with prior art, the beneficial effects of the utility model are: owing to adopting the double hanging point structure, increased the anti-rotation performance of rope ladder, rotation when having alleviated maintainer's descending stair and rocking, avoided the generation of maintainer lest the casualty accident of falling that unbearably causes, installation with timer is easier, regulates more convenient.
Description of drawings
Fig. 1 is the utility model example structure schematic diagram.
Fig. 2 is the left view of Fig. 1;
Fig. 3 is along the sectional view of A-A line among Fig. 2;
Fig. 4 is along the sectional view of B-B line among Fig. 2.
Wherein: the upper hanging point 2-of the 1-foot-operated cross bar 5-insulation of the hook 3-suspender belt 4-lath 6-hanging body 7-suspender belt spool 8-spool positioner 9-cross-arm angle steel 10-gap 11-groove 12-cover cap 13-ratchet 14-ratchet 15-swing handle 16-spring 17-pointed projections 18-groove 19-insulated pipes used 20-end cap 21-suspender belt fixed strip 22-wire that places an order
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further:
See Fig. 1-Fig. 3, it is composite insulator rope ladder example structure schematic diagram under the utility model direct current 500kV circuit, comprise hanging point 1, the hook 2 that places an order, suspender belt 3 and foot-operated cross bar 4, upper hanging point 1 is double hanging point, link to each other by insulation lath 5 between two upper hanging points 1, insulation lath 5 is provided with slotted hole, can realize the adjusting of distance between two upper hanging points 1, in order to improve the anti-rotation performance of rope ladder, hook 2 width that place an order are that 150-200mm, foot-operated cross bar 4 width are 300-350mm; During use, the hook 2 that places an order is hooked on the wire 22, and upper hanging point 1 hangs on the cross-arm angle steel 9.
Upper hanging point comprises hanging body 6, suspender belt spool 7 and spool positioner 8, corresponding cross-arm angle steel 9 places are provided with gap 10 on the hanging body 6, suspender belt spool 7 is flexibly connected with hanging body 6, relatively hanging body 6 rotations of suspender belt spool 7, in order to make suspender belt spool 7 convenient rotations, one end of suspender belt spool 7 is polygonal head, can be used in conjunction with insulating bar, the other end of suspender belt spool 7 links to each other with spool positioner 8, suspender belt spool 7 is provided with groove 11, suspender belt 3 ends are fixed on the groove 11, thereby realize that suspender belt 3 twines around suspender belt spool 7;
One side of swing handle 15 is provided with the pointed projections 17 of location usefulness, corresponding cover cap 12 places are provided with groove 18, when pointed projections 17 falls into groove 18, the head end of ratchet 13 and ratchet 14 Surface Contacts, suspender belt spool 7 is fixed and can not rotates relative to cover cap 12, and when mentioning swing handle 15 when pointed projections 17 is broken away from groove 18, suspender belt spool 7 is namely rotatable, thereby realize the length adjustment of suspender belt 3, rope ladder is strained between cross-arm angle steel 9 and wire 22.
See Fig. 4, foot-operated cross bar 4 comprises insulated pipes used 19, end cap 20 and suspender belt fixed strip 21, insulated pipes used 19 two ends are respectively equipped with end cap 20, insulated pipes used 19 inside are provided with suspender belt fixed strip 21, the two ends of suspender belt fixed strip 21 are fixedly connected with two suspender belts 3 that run through insulated pipes used 19 respectively, and general the employing sewed up connection, also can adopt the connected modes such as bolt, suspender belt fixed strip 21 can make the distance between the adjacent foot-operated cross bar fix, and increases the bonding strength between suspender belt and the foot-operated cross bar.
Claims (3)
1. composite insulator rope ladder under the direct current 500kV circuit, comprise hanging point, the hook that places an order, suspender belt and foot-operated cross bar, it is characterized in that, described upper hanging point is double hanging point, link to each other by the insulation lath between two upper hanging points, the hook width that places an order is that 150-200mm, foot-operated cross bar width are 300-350mm;
Upper hanging point comprises hanging body, suspender belt spool and spool positioner, corresponding cross-arm is provided with gap on the hanging body, suspender belt spool and hanging body are flexibly connected, one end of suspender belt spool is polygonal head, the other end of suspender belt spool links to each other with the spool positioner, the suspender belt spool is provided with groove, and the suspender belt end is fixed on the groove;
Described spool positioner comprises cover cap, ratchet, ratchet and swing handle, ratchet is located at the other end of suspender belt spool, cover cap is provided with ratchet, be provided with spring between ratchet and the cover cap, swing handle is located at the tail end of ratchet, cover cap is with after hanging body is connected, and the head end of ratchet is embedded between the outer rim groove of ratchet, stops the rotation of suspender belt spool to realize the location.
2. composite insulator rope ladder under the direct current 500kV circuit according to claim 1, it is characterized in that, one side of described swing handle is provided with the pointed projections of location usefulness, corresponding cover cap place is provided with groove, when pointed projections fell into groove, the suspender belt spool was fixed and can not rotates relative to cover cap, when mentioning swing handle when pointed projections and groove are broken away from, the suspender belt spool is namely rotatable, realizes that the degree of tightness of suspender belt is regulated.
3. composite insulator rope ladder under the direct current 500kV circuit according to claim 1, it is characterized in that, described foot-operated cross bar comprises insulated pipes used, end cap and suspender belt fixed strip, the insulated pipes used two ends are provided with end cap, insulated pipes used inside is provided with the suspender belt fixed strip, and the two ends of suspender belt fixed strip are fixedly connected with two suspender belts that run through insulated pipes used respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459130 CN202745679U (en) | 2012-09-10 | 2012-09-10 | Composite insulator rope ladder under DC (direct current) 500kV line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459130 CN202745679U (en) | 2012-09-10 | 2012-09-10 | Composite insulator rope ladder under DC (direct current) 500kV line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745679U true CN202745679U (en) | 2013-02-20 |
Family
ID=47705096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220459130 Withdrawn - After Issue CN202745679U (en) | 2012-09-10 | 2012-09-10 | Composite insulator rope ladder under DC (direct current) 500kV line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817552A (en) * | 2012-09-10 | 2012-12-12 | 辽宁省电力有限公司鞍山供电公司 | Direct-current 500kV circuit lower composite insulator flexible ladder |
| CN109163437A (en) * | 2018-10-07 | 2019-01-08 | 江苏鼎辉家居股份有限公司 | A kind of air-conditioning wind deflector |
-
2012
- 2012-09-10 CN CN 201220459130 patent/CN202745679U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817552A (en) * | 2012-09-10 | 2012-12-12 | 辽宁省电力有限公司鞍山供电公司 | Direct-current 500kV circuit lower composite insulator flexible ladder |
| CN102817552B (en) * | 2012-09-10 | 2014-12-31 | 辽宁省电力有限公司鞍山供电公司 | Direct-current 500kV circuit lower composite insulator flexible ladder |
| CN109163437A (en) * | 2018-10-07 | 2019-01-08 | 江苏鼎辉家居股份有限公司 | A kind of air-conditioning wind deflector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20141231 |
|
| RGAV | Abandon patent right to avoid regrant |