CN202696057U - Improved rope ladder head - Google Patents
Improved rope ladder head Download PDFInfo
- Publication number
- CN202696057U CN202696057U CN 201220389754 CN201220389754U CN202696057U CN 202696057 U CN202696057 U CN 202696057U CN 201220389754 CN201220389754 CN 201220389754 CN 201220389754 U CN201220389754 U CN 201220389754U CN 202696057 U CN202696057 U CN 202696057U
- Authority
- CN
- China
- Prior art keywords
- frame
- pulley
- ladder head
- rope ladder
- sheave
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an improved rope ladder head which is used in power maintenance. The improved rope ladder head comprises an upper pulley support, a lower pulley support, an upper pulley disposed on the upper pulley support, and a lower pulley disposed on the lower pulley support. The improved rope ladder head is characterized in that the upper pulley and the lower pulley are connected in a plugging manner and are same in structure. The upper pulley support and the lower pulley support are both formed by two parallel upright rods and a flat plate on the two upright rods, and a box shape unit with an upper end closed and a lower end opening is formed. An opening end of the box shape unit of the lower pulley support is provided with a locking device. The box shape units are provided with the upper pulley or the lower pulley. Peripheries of the upper pulley and the lower pulley are provided with pulley grooves. A screw is spirally connected on a middle part of the flat plate, and a lower end of the screw passes the flat plate and is movably connected with a stopping block which is disposed in the pulley groove of the upper pulley or the lower pulley. With the above technical scheme, the rope ladder head can be firmly fixed on a line, lock a mount point of the rope ladder, and ensure safety of operating personnel. And the rope ladder head effectively prevents slide of the rope ladder head and reduces risk of working.
Description
Technical field
When the utility model relates to a kind of power equipment maintaining, the improved flexible ladder head that climbing high-altitude circuit uses.
Background technology
By these several years charged classes the use of flexible ladder head is found, current flexible ladder head following several respects problem can occur in real work: at first, hanging point owing to flexible ladder head when carrying out the rope ladder climbing is in an open state, so there is insecurity, the staff is in a tense situation psychologically all the time in the climbing process, the speed of climbing will be very slow so.Because circuit is not straight line, has certain radian, so the ground staff needs 3-4 people stablize terraced head, in case because the unbalance stress of hanging point causes comes off.Secondly when the staff arrives flexible ladder head and starts working, in order to prevent the slip of rope ladder, the staff also needs with safety belt a ladder colligation, and this has prolonged the activity duration again, also so that the staff moves inconvenience.At last, in the face of vertical double bundle conductor the time, because current flexible ladder head only is practically applicable to the solid conductor operation, so larger to the double bundle conductor workload.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure to people, can fasteningly lock, and is applicable to the improved flexible ladder head of double bundle conductor.
The purpose of this utility model is achieved in that improved flexible ladder head, is by upper and lower pulley yoke, and the upper and lower pulley that is installed in the upper and lower pulley yoke forms.It is characterized in that: both peg graft upper and lower pulley, and structure is identical, all are comprised of two parallel vertical rods and the flat board that is connected on two vertical rods, and forming a upper end is the uncovered shaped as frame in lower end.Opening end place described lower sheave frame-saw shape is equiped with locking device.Be equiped with top sheave or lower sheave in shaped as frame, upper and lower pulley circumference is provided with race.Dull and stereotyped middle part is connected with screw rod, and flat board is passed in the screw rod lower end, and the active resistance position piece that is connected with, and resistance position piece is positioned at the race of aforementioned top sheave or lower sheave.
Because carry out technique scheme, the utility model can fixedly positioning on the line, rope ladder hanging point locking can be ensured operating personnel's safety simultaneously, and the phenomenon of effectively having avoided flexible ladder head to slide, it is dangerous to have reduced operation.
Description of drawings: the technical solution of the utility model is provided by following drawings and Examples.
Fig. 1 is improved flexible ladder head structural representation;
Fig. 2 is the locking device structural representation.
Legend: 1, top sheave; 2, top sheave frame; 3, a resistance position piece, 4, lower sheave; 5, downslide wheel carrier, 6, locking device, 7, backguy, 8, screw rod, 9, axle, 10, return spring, 11, the backguy frame, 12, locking frame.
Embodiment:
The utility model is not subjected to the restriction of following embodiment, can determine concrete execution mode according to the technical solution of the utility model and actual conditions.
Embodiment: as shown in Figure 1, improved flexible ladder head is by upper and lower pulley yoke 2,5, and the upper and lower pulley 1,4 that is installed in the upper and lower pulley yoke 2,5 forms.Upper and lower pulley yoke 2,5 both peg graft, and structure is identical, all is comprised of two parallel vertical rods and the flat board that is connected on two vertical rods, forming a upper end is the uncovered shaped as frame in lower end.Opening end place at described downslide wheel carrier 5 shaped as frames is equiped with locking device 6, with this opening end sealing.Be equiped with top sheave 1 or lower sheave 4 in shaped as frame, upper and lower pulley 1,4 circumference are provided with race.Be provided with jack in dull and stereotyped both sides, the jack place is provided with latch, and top sheave frame 2 lower ends insert in the described jack, and fix with latch, thereby upper and lower pulley yoke 2,5 is fixedly connected with.Dull and stereotyped middle part is connected with screw rod 8, and flat board is passed in screw rod 8 lower ends, and the active resistance position piece 3 that is connected with, resistance position piece 3 is positioned at the race of aforementioned top sheave 1 or lower sheave 4, by turn screw rod 8, can control the upper-lower position of resistance position piece 3, thus fixedly top sheave 1 or lower sheave 4.
As shown in Figure 2, locking device 6 is comprised of the backguy frame 11 that is fixedly connected with and locking frame 12, and backguy frame 11 1 ends are uncovered, are connected with backguy 7 on it.Locking frame 12 is the herringbone frame, and lower end, locking frame 12 both sides is fixedly connected with the opening end both sides of backguy frame 11.Be installed with an axle 9 at the middle part of locking frame 12, cover has return spring 10 on the axle 9.Described axle 9 passes the vertical rod of downslide wheel carrier 5, and locking device is fixed on downslide wheel carrier 5 places, and return spring 10 1 ends are placed on the axle 9, and the other end is connected with the vertical rod of downslide wheel carrier 5.
During use, when when single circuit carries out operation, can with 2 cancellations of top sheave frame, only use downslide wheel carrier 5.The operating personnel drives backguy frame 11 and moves downward in ground pulling backguy 7, thereby the open topped end of downslide wheel carrier 5 is exposed in upwards upset of pulling locking frame 12, this moment with wire by described opening end hang into, lower sheave 4 can with the wire sliding contact.Unclamp backguy, the locking device 6 at opening end place reverse flip voluntarily under the effect of return spring 10 with the opening end sealing, prevents that wire from dropping out when rocking.
The operating personnel is stepping on to the rope ladder top, by whether turning rotation that screw rod 8 can control top sheave 1 or lower sheave 4, thereby determines voluntarily job position.
When needs when vertical double bundle conductor carries out operation, top sheave frame 2 and downslide wheel carrier 5 are pegged graft, and fixing.The upper lower wire of vertical double bundle conductor is hung respectively in the top shaped as frame of top sheave frame 2 and downslide wheel carrier 5, and passed through the locking of locking device 6, can ensure the high-level safety of operating personnel.
Above technical characterictic has consisted of most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs inessential technical characterictic, satisfies the needs of different situations.
Claims (4)
1. improved flexible ladder head, by upper, the downslide wheel carrier, and be installed in, upper in the downslide wheel carrier, lower sheave forms, it is characterized in that: on, both peg graft lower sheave, and structure is identical, all formed by two parallel vertical rods and the flat board that is connected to two vertical rods upper ends, forming a upper end is the uncovered shaped as frame in lower end, opening end place described lower sheave frame-saw shape is equiped with locking device, is equiped with top sheave or lower sheave in shaped as frame, on, the lower sheave circumference is provided with race, dull and stereotyped middle part is connected with screw rod, flat board is passed in the screw rod lower end, and the active resistance position piece that is connected with, and resistance position piece is positioned at the race of aforementioned top sheave or lower sheave.
2. improved flexible ladder head as claimed in claim 1, it is characterized in that: locking device is comprised of the backguy frame and the locking frame that are fixedly connected with, backguy frame one end is uncovered, be connected with backguy on it, locking frame is the herringbone frame, lower end, locking frame both sides is fixedly connected with the opening end both sides of backguy frame, is installed with an axle at the middle part of locking frame, and cover has return spring on the axle.
3. improved flexible ladder head as claimed in claim 2, it is characterized in that: described axle passes the vertical rod of downslide wheel carrier, and locking device is fixed on downslide wheel carrier place, and return spring one end is placed on the axle, and the other end is connected with the vertical rod of downslide wheel carrier.
4. improved flexible ladder head as claimed in claim 1, it is characterized in that: be provided with jack in dull and stereotyped both sides, the jack place is provided with latch, and top sheave frame lower end inserts in the described jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220389754 CN202696057U (en) | 2012-08-08 | 2012-08-08 | Improved rope ladder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220389754 CN202696057U (en) | 2012-08-08 | 2012-08-08 | Improved rope ladder head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202696057U true CN202696057U (en) | 2013-01-23 |
Family
ID=47551620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220389754 Expired - Fee Related CN202696057U (en) | 2012-08-08 | 2012-08-08 | Improved rope ladder head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202696057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790364A (en) * | 2012-08-08 | 2012-11-21 | 新疆电力公司昌吉电业局 | Improved ladder head of rope ladder |
| CN103195355A (en) * | 2013-04-01 | 2013-07-10 | 国家电网公司 | Insulation ladder sealing door |
-
2012
- 2012-08-08 CN CN 201220389754 patent/CN202696057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790364A (en) * | 2012-08-08 | 2012-11-21 | 新疆电力公司昌吉电业局 | Improved ladder head of rope ladder |
| CN103195355A (en) * | 2013-04-01 | 2013-07-10 | 国家电网公司 | Insulation ladder sealing door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20200808 |