CN211647949U - Portable high-altitude extension ladder for rebounding - Google Patents
Portable high-altitude extension ladder for rebounding Download PDFInfo
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- CN211647949U CN211647949U CN201922331323.XU CN201922331323U CN211647949U CN 211647949 U CN211647949 U CN 211647949U CN 201922331323 U CN201922331323 U CN 201922331323U CN 211647949 U CN211647949 U CN 211647949U
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- dead lever
- extension ladder
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- 230000000694 effects Effects 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 2
- 230000009194 climbing Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a portable resilience is with high altitude extension ladder relates to extension ladder technical field, and its technical scheme's main points are: including the dead lever, with dead lever rear end swing joint's movable ladder, the inboard fixed mounting of dead lever has the pedal, first recess has been seted up to the rear end of dead lever, the spout has been seted up to the inside of first recess, the draw-in groove has been seted up to the up end of spout, the up end of first recess has been seted up and has been supported the groove, the degree of depth that supports the groove is greater than the degree of depth of spout, the inside swing joint who supports the groove has the movable support pole, the below of movable support pole is provided with the base, can provide the track for the rotation of runner through the spout, guarantees going on of slide work, can fix the runner through the draw-in groove, through contacting movable support pole and support groove, can play the effect that supports the movable ladder, supports the downward power of movable ladder simultaneously, guarantees going on of climbing work.
Description
Technical Field
The utility model relates to an extension ladder technical field, in particular to portable high altitude extension ladder for kick-back.
Background
The telescopic ladder can be stretched and shortened like a fishing rod, has ultra-light weight, ultra-short height, ultra-strong safety, humanized design and attractive and elegant appearance, is popular all over the world, is an ideal ladder for high operation in families, hotels, markets, enterprises, power telecommunication, urban construction, public security fire fighting, heat and air supply, gardens and other departments, and is also a necessary climbing ladder for field operation of various vehicles such as emergency vehicles, line inspection vehicles, command vehicles and the like.
However, the conventional portable rebound high-altitude extension ladder only forms a triangular shape with a wall surface in the using process, so that no stress point exists, the portable rebound high-altitude extension ladder cannot adapt to high-altitude work, and the safety coefficient is low.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to: the portable high-altitude extension ladder for rebounding solves the problems that an existing portable high-altitude extension ladder for rebounding only forms a triangular shape with a wall surface in the using process, no stress point exists, the high-altitude extension ladder cannot adapt to high-altitude work, and the safety coefficient is low.
Above-mentioned technical purpose is realized through following technical scheme, a portable resilience is with high altitude extension ladder, including the dead lever, with dead lever rear end swing joint's movable ladder, the inboard fixed mounting of dead lever has the step, first recess has been seted up to the rear end of dead lever, the spout has been seted up to the inside of first recess, the draw-in groove has been seted up to the up end of spout, the holding groove has been seted up to the up end of first recess, the degree of depth in holding groove is greater than the degree of depth of spout.
A movable support rod is movably connected inside the support groove, and a base is arranged below the movable support rod; the top welding of activity bracing piece has the fixture block, the inboard fixed mounting of fixture block has the contact plate, the bottom of activity bracing piece just is located the inside swing joint of base has the stopper.
Through above-mentioned technical scheme, can provide the track for the rotation of runner through the spout, guarantee going on of slip work, can fix the runner through the draw-in groove. Through contacting the movable support rod with the support groove, the movable ladder support device can play a role in supporting the movable ladder, supports downward force of the movable ladder, and guarantees climbing work. Can insert to supporting inslot portion through the fixture block to make the top of contact plate and the outside of spout contact, can effectually prescribe a limit to the home range of runner, guarantee going on of fixed work.
Preferably, a plurality of limiting holes are symmetrically formed in two sides of the base, and the limiting blocks are movably mounted in the limiting holes. The limiting blocks are in contact with the limiting holes, so that the moving range of the movable supporting rod can be fixed, and the supporting work is guaranteed.
Preferably, the front end of the movable ladder is fixedly provided with a protruding rod matched with the first groove. The convex rod is inserted into the first groove, so that the sliding operation is ensured.
Preferably, a second groove is formed in the protruding rod, three symmetrically-arranged connecting rods are fixedly mounted in the second groove, and a rotating wheel is rotatably connected to the outer portion of each connecting rod. The convex rod is inserted into the first groove, the rotating wheel can be in contact with the sliding groove, sliding work of the movable ladder is guaranteed, and the effect of supporting the rotating wheel can be achieved through the connecting rod.
To sum up the utility model discloses following technological effect has:
base and activity ladder and ground are "triangle" form setting after the installation is accomplished, have utilized the stable principle of triangle-shaped, can effectual increase constructor's installation, increase the stability of activity ladder itself, and the activity bracing piece of base top can absorb and support decurrent power when the climbing simultaneously, increases the life of activity ladder.
Drawings
FIG. 1 is a schematic overall structure diagram of a portable rebound overhead extension ladder according to an embodiment;
FIG. 2 is a schematic view of an internal structure of a fixing rod of the portable rebound high-altitude extension ladder according to the embodiment;
FIG. 3 is a schematic structural view of a portable rebounding high altitude extension ladder;
FIG. 4 is a schematic structural diagram of a base of the portable rebound overhead extension ladder of the embodiment;
reference numerals: 1. fixing the rod; 11. treading a pedal; 12. a first groove; 13. a chute; 14. a card slot; 15. a support groove; 2. a movable ladder; 21. a nose bar; 22. a second groove; 23. a connecting rod; 24. a rotating wheel; 3. a base; 31. a limiting hole; 32. a limiting block; 33. a movable support rod; 34. a clamping block; 35. a contact plate.
Detailed Description
In the first embodiment, the first step is,
as shown in fig. 1 and 4, a portable rebound high altitude extension ladder comprises a fixed rod 1, a movable ladder 2 movably connected with the rear end of the fixed rod 1, and a treading board 11 fixedly mounted on the inner side of the fixed rod 1, a first groove 12 is formed at the rear end of the fixed rod 1, a sliding groove 13 is formed in the first groove 12, a clamping groove 14 is formed on the upper end surface of the sliding groove 13, a supporting groove 15 is formed on the upper end surface of the first groove 12, the depth of the supporting groove 15 is greater than that of the sliding groove 13, a movable supporting rod 33 is movably connected in the supporting groove 15, a base 3 is arranged below the movable supporting rod 33, a clamping block 34 is welded on the top of the movable supporting rod 33, a contact plate 35 is fixedly mounted on the inner side of the clamping block 34, a limiting block 32 is movably connected at the bottom of the movable supporting rod 33 and inside the base 3, stopper 32 movable mounting is in spacing hole 31, the front end fixed mounting of companion ladder 2 have with first recess 12 assorted nose bar 21, second recess 22 has been seted up to the inside of nose bar 21, the inside fixed mounting of second recess 22 has the connecting rod 23 that three symmetry set up, the outside rotation of connecting rod 23 is connected with runner 24.
Firstly, moving the fixed rod 1 and the movable ladder 2 to an appointed position, when in use, pulling the movable ladder 2 outwards, sliding the rotating wheel 24 in the convex rod 21 in the sliding groove 13 and extending the movable ladder 2, when the rotating wheel 24 at the lowest part of the convex rod 21 enters the clamping groove 14 in the pulling process, extending the movable ladder 2, then supporting the movable ladder 2 and enabling the movable ladder 2 to be in contact with the wall surface, enabling the movable ladder 2 to be positioned below the construction position, then taking out the base 3, pulling the movable support rod 33 upwards, pressing the limiting block 32 inwards in the pulling process and enabling the limiting block 32 to be positioned in the base 3, then sliding in the base 3 and extending out at the limiting hole 31 at the highest part, then inserting the extended clamping block 34 into the supporting groove 15, and simultaneously enabling the top of the contact plate 35 to be in contact with the outer part of the sliding groove 13, and the home range of runner 24 is injectd, installs remaining base 3 after that, and the produced power of in-process when carrying out personnel climbing can be used for and activity bracing piece 33 is inside, can effectually play the effect of supporting escalator 2, can effectually solve high altitude component resilience and detect the factor that is unfavorable for the detection such as the degree of difficulty height, danger are great.
In the present embodiment, the number of the ramp 2 can be increased or decreased according to different heights of use.
In this embodiment, the number of the base 3 and the number of the movable support rods 33 are different, and can be changed according to the number of the movable ladders 2, and the height of the inner movable support rod 33 is higher than that of the outer movable support rod 33.
In this embodiment, base 3 and companion ladder 2 and ground are "triangle" form setting, adopt the stable principle of triangle-shaped simultaneously, can effectual increase constructor's security.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but only if the present invention is limited by the protection shell of the patent law within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a portable resilience is with high altitude extension ladder, including dead lever (1), with dead lever (1) rear end swing joint's movable ladder (2), dead lever (1) inboard fixed mounting has pedal (11), its characterized in that: a first groove (12) is formed in the rear end of the fixing rod (1), a sliding groove (13) is formed in the first groove (12), a clamping groove (14) is formed in the upper end face of the sliding groove (13), a supporting groove (15) is formed in the upper end face of the first groove (12), and the depth of the supporting groove (15) is larger than that of the sliding groove (13);
a movable support rod (33) is movably connected inside the support groove (15), and a base (3) is arranged below the movable support rod (33); the top welding of activity bracing piece (33) has fixture block (34), the inboard fixed mounting of fixture block (34) has contact plate (35), the bottom of activity bracing piece (33) just is located the inside swing joint of base (3) has stopper (32).
2. The portable rebound high altitude extension ladder of claim 1, wherein: a plurality of limiting holes (31) which are symmetrically arranged are formed in two sides of the base (3), and the limiting blocks (32) are movably arranged in the limiting holes (31).
3. The portable rebound high altitude extension ladder of claim 1, wherein: the front end of the movable ladder (2) is fixedly provided with a convex rod (21) matched with the first groove (12).
4. The portable rebound high altitude extension ladder of claim 3, wherein: a second groove (22) is formed in the convex rod (21), three connecting rods (23) symmetrically arranged are fixedly mounted in the second groove (22), and rotating wheels (24) are rotatably connected to the outer portions of the connecting rods (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922331323.XU CN211647949U (en) | 2019-12-23 | 2019-12-23 | Portable high-altitude extension ladder for rebounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922331323.XU CN211647949U (en) | 2019-12-23 | 2019-12-23 | Portable high-altitude extension ladder for rebounding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211647949U true CN211647949U (en) | 2020-10-09 |
Family
ID=72698107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922331323.XU Expired - Fee Related CN211647949U (en) | 2019-12-23 | 2019-12-23 | Portable high-altitude extension ladder for rebounding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211647949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109234A (en) * | 2021-10-17 | 2022-03-01 | 国网浙江省电力有限公司磐安县供电公司 | Folding ladder for electric power operation |
-
2019
- 2019-12-23 CN CN201922331323.XU patent/CN211647949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109234A (en) * | 2021-10-17 | 2022-03-01 | 国网浙江省电力有限公司磐安县供电公司 | Folding ladder for electric power operation |
| CN114109234B (en) * | 2021-10-17 | 2023-10-20 | 国网浙江省电力有限公司磐安县供电公司 | Folding ladder for electrical work |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |