CN200955346Y - Insulation ladder - Google Patents
Insulation ladder Download PDFInfo
- Publication number
- CN200955346Y CN200955346Y CN 200620076633 CN200620076633U CN200955346Y CN 200955346 Y CN200955346 Y CN 200955346Y CN 200620076633 CN200620076633 CN 200620076633 CN 200620076633 U CN200620076633 U CN 200620076633U CN 200955346 Y CN200955346 Y CN 200955346Y
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- CN
- China
- Prior art keywords
- hole
- straight
- fixed block
- shaped
- resilient key
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- Expired - Fee Related
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Abstract
The utility model discloses an insulating ladder which comprises two straight rods, a plurality of pedals are mounted between the two straight rods whose inner side is provided with a plurality pairs of permanent seats arranged with certain space between, irregular holes are arranged between the permanent seats and the side wall, the pedal comprises an integrated panel and a pedal rod whose two ends extend out of the panel to form a connecting section which matches the irregular hole with the two connecting sections are inserted into the corresponding irregular holes, the offside of the straight rod is provided with large screw rod which is connected with the screw thread of the connecting hole, the outer edge cap of the large bolt is bigger than the irregular hole. The pedal and the straight rod are firmly connected to prevent pedal loose due to long service period so as to increase use safety and insulating effect. The utility model can be used for high grate voltages of 550, 000 voltages.
Description
Technical field
The utility model relates to a kind of insulating ladder.
Background technology
The insulating ladder that uses generally comprises straight-bar and riding boogie board at present, cohere fixing between straight-bar and the riding boogie board by glue, though such fixed form can play the location between riding boogie board and the straight-bar, but the long-term words of using, it is aging easily to cohere the position, cause the loosening of riding boogie board, thus the life security that jeopardizes the operator.In addition, the straight-bar of existing insulating ladder generally is to use insulation materials to make, and its riding boogie board is made by metal material mostly, though this insulating ladder can play insulation effect, but the rank of the voltage that it is suitable for is lower, be only applicable to 350,000 volts with interior voltage, when being used for 550,000 volts of voltages, the insulating ladder of this material just can't guarantee operator's safety fully.
Summary of the invention
The utility model purpose is: a kind of insulating ladder is provided, the riding boogie board and the fixed form between the straight-bar of this insulating ladder are very reliable, the riding boogie board of having avoided long-term use to cause is loosening, increased the safety the when operator uses, in addition, the riding boogie board of this insulating ladder and straight-bar all adopt insulation materials to make, and the king bolt of its use, holder, go up fixed block, fixed block, U-shaped resilient key are made by engineering plastics down, the so just progressive insulation effect that has improved insulating ladder makes it can be applicable to 550,000 volts high-level voltage.
The technical solution of the utility model is: a kind of insulating ladder, comprise two straight-bars, be provided with the polylith riding boogie board between two straight-bars, be provided with many to holder the clear width of described two straight-bars, the sidewall of holder and straight-bar is provided with irregularly-shaped hole, riding boogie board comprises integrated panel and steps on bar, step on the outer linkage section that cooperates with irregularly-shaped hole that forms of two ends extending panel of bar, two linkage sections insert respectively in the relative irregularly-shaped hole, the straight-bar outside is provided with big screw and is threaded with connecting hole on the linkage section, and the outer of the nut of screw is greater than irregularly-shaped hole greatly.
The further technical scheme of the utility model is: a kind of insulating ladder, comprise two straight-bars, be provided with the polylith riding boogie board between two straight-bars, be provided with many to holder the clear width of described two straight-bars, the sidewall of holder and straight-bar is provided with irregularly-shaped hole, riding boogie board comprises integrated panel and steps on bar, step on the outer linkage section that cooperates with irregularly-shaped hole that forms of two ends extending panel of bar, two linkage sections insert respectively in the relative irregularly-shaped hole, the straight-bar outside is provided with big screw and is threaded with connecting hole on the linkage section, and the outer of the nut of screw is greater than irregularly-shaped hole greatly; Be inserted with the fixed cover that is mated in the described connecting hole, the hole wall of fixed cover is provided with internal thread and king bolt is connected and fixed, axially be provided with two corresponding locating slots on the hole wall of fixed cover the inner, the outer end of locating slot radially is provided with locating hole, linkage section is provided with the lock hole corresponding with it corresponding to the position of locating hole, two relative locating slots are embedded with the U-shaped resilient key, the two ends of U-shaped resilient key are provided with bearing pin, bearing pin inserts in locating hole and the lock hole, the spacing of the opening of U-shaped resilient key is greater than the major diameter of thread of king bolt, king bolt stretches between the U-shaped resilient key opening, and the bearing pin at U-shaped resilient key two ends is embedded in locating hole and the lock hole all the time.
The more detailed technical scheme of the utility model is: a kind of insulating ladder, comprise two straight-bars, be provided with the polylith riding boogie board between two straight-bars, be provided with many to holder the clear width of described two straight-bars, the sidewall of holder and straight-bar is provided with irregularly-shaped hole, riding boogie board comprises integrated panel and steps on bar, step on the outer linkage section that cooperates with irregularly-shaped hole that forms of two ends extending panel of bar, two linkage sections insert respectively in the relative irregularly-shaped hole, the straight-bar outside is provided with big screw and is threaded with connecting hole on the linkage section, and the outer of the nut of screw is greater than irregularly-shaped hole greatly; Be inserted with the fixed cover that is mated in the described connecting hole, the hole wall of fixed cover is provided with internal thread and king bolt is connected and fixed, axially be provided with two corresponding locating slots on the hole wall of fixed cover the inner, the outer end of locating slot radially is provided with locating hole, linkage section is provided with the lock hole corresponding with it corresponding to the position of locating hole, two relative locating slots are embedded with the U-shaped resilient key, the two ends of U-shaped resilient key are provided with bearing pin, bearing pin inserts in locating hole and the lock hole, the spacing of the opening of U-shaped resilient key is greater than the major diameter of thread of king bolt, king bolt stretches between the U-shaped resilient key opening, and the bearing pin at U-shaped resilient key two ends is embedded in locating hole and the lock hole all the time; Described fixed cover comprises the last fixed block and the following fixed block of mutual fastening, the cross-sectional shape of last fixed block is trapezoidal, the cross-sectional shape semicircular in shape of following fixed block, the bonding surface of following fixed block is provided with two grooves, the bonding surface of last fixed block is provided with two projectioies that match with groove, and projection embeds in the groove.
Above-mentioned riding boogie board and straight-bar all adopt insulation materials to make, and king bolt, holder, go up fixed block, fixed block, U-shaped resilient key are made by engineering plastics down.
Above-mentioned irregularly-shaped hole can be non-circular holes such as semicircle orifice, polygon hole.
The utility model advantage is:
1. the utility model waits by holder, king bolt and connects riding boogie board and straight-bar, and fixed form is cohered more reliably than original glue like this, has avoided the riding boogie board that long-term use causes loosening, has increased the safety the when operator uses.
2. riding boogie board of the present utility model and straight-bar all adopt insulation materials to make, and the king bolt of its use, holder, go up fixed block, fixed block, U-shaped resilient key are made by engineering plastics down, the so just progressive insulation effect that has improved insulating ladder, make its high-level voltage that can be applicable to 550,000 volts, therefore also improved the safety the when operator works under high-level voltage.
3. the utility model need not use metal material, has not only saved resource, has also reduced cost simultaneously.
4. because riding boogie board of the present utility model and straight-bar all adopt glass fiber reinforced plastic to make, be difficult to be processed to form screw thread in the connecting hole of the linkage section of riding boogie board and king bolt is spirally connected, therefore in connecting hole, be provided with the fixed cover of plastics, hole wall at fixed cover is provided with internal thread, thereby is connected and fixed by fixed cover and king bolt.
5. the utility model adopts the bearing pin at U-shaped resilient key two ends to insert the locating hole of fixed cover and the lock hole of linkage section, and stretch between the U-shaped resilient key opening by king bolt, the bearing pin at U-shaped resilient key two ends is embedded in locating hole and the lock hole all the time, realize the location of fixed cover, prevented fixed cover moving or rotating in connecting hole.
6. because the utility model is to stretch between the U-shaped resilient key opening by king bolt, make the U-shaped resilient key realize the location of fixed cover, so need axially to be provided with two corresponding locating slots on the hole wall of fixed cover the inner, the U-shaped resilient key is embedded in the locating slot, and the spacing of the opening of U-shaped resilient key also need be greater than the major diameter of thread of king bolt, thereby king bolt can be stretched between the U-shaped resilient key opening.
7. the utility model is divided into fixed cover the last fixed block and the following fixed block of mutual fastening, make the installation of U-shaped resilient key more convenient, as long as a side of U-shaped resilient key is embedded in the locating slot of going up fixed block or following fixed block, and make the bearing pin of this end insert locating hole, again close on the U-shaped resilient key of opposite side down fixed block or on fixed block, make its same locating slot that embeds, bearing pin inserts locating hole and gets final product, such installation was both convenient, quick again.
8. the sidewall of holder of the present utility model and straight-bar is provided with irregularly-shaped hole, the linkage section of riding boogie board inserts in the irregularly-shaped hole, because linkage section cooperates with irregularly-shaped hole, so avoided the rotation of linkage section in irregularly-shaped hole, shakiness or landing when avoiding rotation because of riding boogie board to cause cat ladder.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the sectional view of riding boogie board and straight-bar coupling part;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation of holder;
Fig. 5 is the structural representation of last fixed block;
Fig. 6 is the structural representation of following fixed block;
Fig. 7 is the structural representation of U-shaped resilient key.
Wherein: 1 straight-bar; 2 riding boogie boards; 3 holders; 4 irregularly-shaped holes; 5 panels; 6 step on bar; 7 linkage sections; 8 big screws; 9 connecting holes; 10 nuts; 11 fixed covers; 12 locating slots; 13 locating holes; 14 lock holes; 15U shape resilient key; 16 bearing pins; 17 openings; Fixed block on 18; 19 times fixed blocks; 20 grooves; 21 projectioies.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: extremely shown in Figure 6 as Fig. 1, a kind of insulating ladder, comprise two straight-bars 1, be provided with polylith riding boogie board 2 between two straight-bars 1, be provided with many to holder 3 clear width of two straight-bars 1, holder 3 is provided with irregularly-shaped hole 4 with the sidewall of straight-bar 1, riding boogie board 2 comprises integrated panel 5 and steps on 6 bars, step on the two ends extending panel 5 outer linkage sections 7 that cooperate with irregularly-shaped hole 4 that form of bar 6, two linkage sections 7 insert respectively in the relative irregularly-shaped hole 4, be provided with connecting hole 9 in the linkage section 7, be inserted with the fixed cover 11 that is mated in the connecting hole 9, the hole wall of fixed cover 11 is provided with internal thread, straight-bar 1 outside is provided with big screw 8 and is threaded with fixed cover 11, the outer of the nut 10 of big screw 8 is greater than irregularly-shaped hole 4, axially be provided with two corresponding locating slots 12 on the hole wall of fixed cover 11 the inners, the outer end of locating slot 12 radially is provided with locating hole 13, linkage section 7 is provided with the lock hole corresponding with it 14 corresponding to the position of locating hole 13, two relative locating slots 12 are embedded with U-shaped resilient key 15, the two ends of U-shaped resilient key 15 are provided with bearing pin 16, bearing pin 16 inserts in locating hole 13 and the lock hole 14, the spacing of the opening 17 of U-shaped resilient key 15 is greater than the major diameter of thread of king bolt 8, king bolt 8 stretches between U-shaped resilient key 15 openings 17, and the bearing pin 16 at U-shaped resilient key 15 two ends is embedded in locating hole 13 and the lock hole 14 all the time.
Fixed cover 11 comprises the last fixed block 18 and the following fixed block 19 of mutual fastening, the cross-sectional shape of last fixed block 18 is trapezoidal, the cross-sectional shape semicircular in shape of following fixed block 19, the bonding surface of following fixed block 19 is provided with two grooves 20, the bonding surface of last fixed block 18 is provided with two projectioies 21 that match with groove 20, and projection 21 embeds in the groove 20.
Above-mentioned riding boogie board 5 and straight-bar 1 all adopt glass fiber reinforced plastic to make, and king bolt 8, holder 3, go up fixed block 18, fixed block 19, U-shaped resilient key 15 are made by engineering plastics down.
Therefore above-mentioned irregularly-shaped hole 4 can be non-circular holes such as semicircle orifice, polygon hole, and linkage section 7 cooperates with irregularly-shaped hole 4, has prevented the rotation of linkage section 7 in irregularly-shaped hole 4, shakiness or landing when having avoided rotation because of riding boogie board 2 to cause cat ladder.
Because riding boogie board 2 of the present utility model and straight-bar 1 all adopt glass fiber reinforced plastic to make, be difficult to be processed to form screw thread in the connecting hole 9 of the linkage section 7 of riding boogie board 2 and king bolt 8 is spirally connected, therefore in connecting hole 9, be provided with the fixed cover 11 of plastics, hole wall at fixed cover 11 is provided with internal thread, thereby is connected and fixed by fixed cover 11 and king bolt 8.
The utility model adopts the bearing pin 16 at U-shaped resilient key 15 two ends to insert the locating hole 13 of fixed cover 11 and the lock hole 14 of linkage section 7, and stretch between U-shaped resilient key 15 openings 17 by king bolt 8, the bearing pin 16 at U-shaped resilient key 15 two ends is embedded in locating hole 13 and the lock hole 14 all the time, realize the location of fixed cover 11, prevented fixed cover 11 moving or rotating in connecting hole 9.
Because the utility model is to stretch between U-shaped resilient key 15 openings 17 by king bolt 8, make U-shaped resilient key 15 realize the location of fixed covers 11, so need axially to be provided with two corresponding locating slots 12 on the hole wall of fixed cover 11 the inners, U-shaped resilient key 15 is embedded in the locating slot 12, and the spacing of the opening 17 of U-shaped resilient key 15 also need be greater than the major diameter of thread of king bolt 8, thereby king bolt 8 can be stretched between U-shaped resilient key 15 openings 17.
The utility model is divided into fixed cover 11 the last fixed block 18 and the following fixed block 19 of mutual fastening, make the installation of U-shaped resilient key 15 more convenient, as long as a side of U-shaped resilient key 15 is embedded in the locating slot 12 of going up fixed block 18 or following fixed block 19, and make the bearing pin 16 of this end insert locating hole 13, again close on the U-shaped resilient key 15 of opposite side down fixed block 19 or on fixed block 18, make its same locating slot 12 that embeds, bearing pin 16 inserts locating holes 13 and gets final product, such installation was both convenient, quick again.
Claims (3)
1. insulating ladder, comprise two straight-bars (1), be provided with polylith riding boogie board (2) between two straight-bars (1), it is characterized in that: be provided with many holder (3) clear width of described two straight-bars (1), holder (3) is provided with irregularly-shaped hole (4) with the sidewall of straight-bar (1), riding boogie board (2) comprises integrated panel (5) and steps on bar (6), step on the outer linkage section (7) that cooperates with irregularly-shaped hole (4) that forms of two ends extending panel (5) of bar (6), two linkage sections (7) insert respectively in the relative irregularly-shaped hole (4), straight-bar (1) outside is provided with big screw (8) and is threaded with connecting hole (9) on the linkage section (7), and the outer of the nut (10) of screw (8) is greater than irregularly-shaped hole (4) greatly.
2. according to the described insulating ladder of claim 1, it is characterized in that: be inserted with the fixed cover (11) that is mated in the described connecting hole (9), the hole wall of fixed cover (11) is provided with internal thread and king bolt (8) is connected and fixed, axially be provided with two corresponding locating slots (12) on the hole wall of fixed cover (11) the inner, the outer end of locating slot (12) radially is provided with locating hole (13), linkage section (7) is provided with the lock hole corresponding with it (14) corresponding to the position of locating hole (13), two relative locating slots (12) are embedded with U-shaped resilient key (15), the two ends of U-shaped resilient key (15) are provided with bearing pin (16), bearing pin (16) inserts in locating hole (13) and the lock hole (14), the spacing of the opening (17) of U-shaped resilient key (15) is greater than the major diameter of thread of king bolt (8), king bolt (8) stretches between U-shaped resilient key (15) opening (17), and the bearing pin (16) at U-shaped resilient key (15) two ends is embedded in locating hole (13) and the lock hole (14) all the time.
3. according to the described insulating ladder of claim 2, it is characterized in that: described fixed cover (11) comprises the last fixed block (18) and the following fixed block (19) of mutual fastening, the cross-sectional shape of last fixed block (18) is trapezoidal, the cross-sectional shape semicircular in shape of following fixed block (19), the bonding surface of following fixed block (18) is provided with two grooves (20), the bonding surface of last fixed block (19) is provided with two projectioies (21) that match with groove (20), and projection (21) embeds in the groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620076633 CN200955346Y (en) | 2006-09-27 | 2006-09-27 | Insulation ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620076633 CN200955346Y (en) | 2006-09-27 | 2006-09-27 | Insulation ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200955346Y true CN200955346Y (en) | 2007-10-03 |
Family
ID=38773930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620076633 Expired - Fee Related CN200955346Y (en) | 2006-09-27 | 2006-09-27 | Insulation ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200955346Y (en) |
-
2006
- 2006-09-27 CN CN 200620076633 patent/CN200955346Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071003 Termination date: 20120927 |