CN210659900U - Anti-falling power maintenance ladder - Google Patents
Anti-falling power maintenance ladder Download PDFInfo
- Publication number
- CN210659900U CN210659900U CN201920914735.3U CN201920914735U CN210659900U CN 210659900 U CN210659900 U CN 210659900U CN 201920914735 U CN201920914735 U CN 201920914735U CN 210659900 U CN210659900 U CN 210659900U
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- Prior art keywords
- ladder
- safety post
- safety
- roof beam
- parts
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- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000009194 climbing Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000002788 crimping Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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Abstract
The utility model belongs to climbing device field relates to a ladder, especially a power maintenance ladder of preventing falling, including a ladder, this ladder includes the perpendicular roof beam of two parallel interval installations, and two are erected even interval between the roof beam and are installed a plurality of crossbeams, install a safety post that adopts the rigidity material to make respectively along erecting roof beam extending direction in the front end of two perpendicular roof beams, the upper end of safety post and the perpendicular roof beam fixed mounting of tip and homonymy down, the outside of every safety post all is equipped with a locking handle, installs a bandage between two locking handles jointly, is used for operating personnel to scramble in the space that forms between bandage and ladder.
Description
Technical Field
The utility model belongs to climbing device field relates to a ladder, especially a power maintenance ladder of preventing falling.
Background
In power equipment's maintenance, especially to the high altitude operation in-process such as electric power tower, ladder an indispensable climbing and fixing device, present used ladder simple structure generally includes two perpendicular roof beams, evenly spaced installation a plurality of crossbeams between two perpendicular roof beams. In order to facilitate fixing, a hook is respectively arranged on two sides of the upper end of the back of the ladder and used for being fixedly hung with power equipment or cables.
At present, a ladder is not provided with a special anti-falling device, and an operator can only be matched with a hanging safety bandage in the operation process. When the operating personnel is in danger such as slipping, the operating personnel can be separated from the ladder, the safety bandage is used as the final safety device, the safety device is hung at the upper air position again, and then the safety device is pulled to a safety area in a pulling mode and the like. Although the design can not cause the falling of the operator, the psychological influence on the operator can still be caused; moreover, the operators are difficult to avoid the operations such as scratching due to fear in the falling moment, so that the used tools are easy to fall, and great potential safety hazards exist for ground personnel and equipment.
Therefore, the ladder is designed aiming at the ladder, and the power maintenance ladder can ensure that the operator is passively connected with the ladder and cannot fall into the air even if the operator cannot grasp the ladder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a solve electrified disconnected, connect the fixed low tension cable lead insulation shielding instrument that shields the problem of the no-load cable lead in-process cable lead of low pressure.
The utility model adopts the technical proposal that:
the utility model provides a power maintenance ladder of preventing falling, includes a ladder, and this ladder includes the perpendicular roof beam of two parallel interval installations, and even interval installs a plurality of crossbeams, its characterized in that between two perpendicular roof beams: install a safety post that adopts the rigidity material to make respectively along erecting the roof beam extending direction in the front end face of two perpendicular roof beams, the upper end of safety post and the lower tip and the perpendicular roof beam fixed mounting of homonymy, the outside of every safety post all overlaps and is equipped with a locking handle, installs a bandage between two locking handles jointly, is used for operating personnel to scramble in the space that forms between bandage and ladder.
Each locking handle comprises two hinged rods, the middle parts of the two hinged rods are hinged to form a clamp-type structure, one end parts of the two hinged rods are arranged to be jaw parts by taking a hinged shaft as a center, the other end parts of the two hinged rods are arranged to be handheld parts, the end parts of the two hinged rods on the jaw parts are fixedly arranged with one end of a flexible belt respectively, and an opening formed by the jaw parts and the flexible belt sleeve the safety column inside; the two hinged rods at the side of the hand-held part are respectively provided with a guide pillar inside along the extension direction thereof, a connecting rod is arranged between the two guide pillars, the two side ends of the connecting rod are respectively provided with a sliding sleeve integrally, the two sliding sleeves are respectively sleeved outside the guide pillars at the same side, a triangular structure is formed between the two guide pillars and the connecting rod, and the guide pillars and the end part at the same side of the binding band are sleeved and fixed.
And an embedded groove is formed in the surface of the safety column on the same side with the ladder along the axial direction, a convex embedded block is formed in the position of the flexible belt corresponding to the embedded groove, and the embedded block is embedded in the corresponding embedded groove.
And a reset pressure spring is sleeved outside the guide post between the sliding sleeve and the end part of the hinged rod hand-held part.
The utility model has the advantages that:
the utility model discloses in, handle and bandage form one set of anti-falling device are held tightly in the cooperation of safety post, operating personnel drills into in the space that bandage and ladder formed when using, place the bandage and can climb or stand like ordinary ladder after its armpit position, in case the condition that operating personnel skidded and drops appears, the locking handle is locked with the safety post under the effect of operating personnel dead weight, and then the horizontal position of locking bandage, operating personnel then can not break away from with the ladder and fall, in this process, also need not operating personnel and grab the crossbeam, consequently, the condition that operating personnel worried around the instrument and throw out appears also difficultly appearing.
In this maintenance ladder, the locking handle sets up to the jaw type structure of middle part hinge dress, connecting rod and two guide pillar suits are fixed, because connecting rod length is fixed, consequently, draw and drag handheld portion one side that the connecting rod can realize two hinge arms and can realize the closure, according to lever principle, when the handheld portion of two hinge arms is closed, its jaw portion equally can be closed, because the length of flexible band is certain, when jaw portion is closed flexible band and the inseparable crimping of safety pillar, area of contact increases, the atress increases, and then it is spacing with the safety pillar locking with the promotion frictional force.
In the maintenance ladder, the caulking groove made by the safety post is matched with the caulking block made by the flexible belt, so that the relative movement of the locking handle and the safety post can be limited, and the situation of twisting and winding of the locking handle and the safety post is avoided.
In this maintenance ladder, reset spring's effect is used for to the jaw portion promotion connecting rod, resets, and then reduces the frictional force between locking handle and the safety post to prevent its restriction operating personnel's normal removal.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a partial cross-sectional view of portion A of FIG. 2;
fig. 4 is a partially enlarged view of a portion B in fig. 3.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The utility model provides a power maintenance ladder of preventing falling, includes a ladder, and this ladder includes two parallel interval installation's perpendicular roof beam 2, and two erect even interval between the roof beam and install a plurality of crossbeams 4, the utility model discloses an innovation lies in, installs a safety post 1 that adopts the rigidity material to make respectively along erecting roof beam extending direction in the front end of two perpendicular roof beams, the upper end of safety post and the perpendicular roof beam fixed mounting of tip and homonymy down, and the outside of every safety post all is equipped with a locking handle, installs a bandage 6 between two locking handles jointly, is used for operating personnel to scramble in the space that forms between bandage and ladder.
In this embodiment, each of the locking handles includes two hinge rods 5, the middle portions of the two hinge rods are hinged to form a pincer-type structure, one end portions of the two hinge rods are set to be jaw portions 11 with a hinge shaft as a center, the other end portions of the two hinge rods are set to be hand-held portions 12, wherein the end portions of the two hinge rods on the jaw portions are respectively fixedly mounted with one end of a flexible belt 10, and an opening formed by the jaw portions and the flexible belt sleeve a safety post inside; two guide posts 13 are respectively arranged in the two hinged rods at the side of the hand-held part along the extension direction, a connecting rod 15 is arranged between the two guide posts, two sliding sleeves 14 are respectively manufactured at the two side ends of the connecting rod integrally, the two sliding sleeves are respectively sleeved outside the guide posts at the same side, a triangular structure is formed between the two guide posts and the connecting rod, and the guide posts and the end part at the same side of the binding band are sleeved and fixed.
In this embodiment, the binding band and the flexible band are made of a material which has good toughness and is not easy to tear, such as nylon or EP canvas.
In this embodiment, when the jaw portion is in a locked state, a gap exists between the end portions of the two hinge rods at the jaw portion side, and the flexible belt is in a tightened state and is in locking fit with the outer side surface of the safety post.
In this embodiment, an insertion groove 9 is formed in the surface of the safety post on the same side as the ladder along the axial direction, and a protruding insertion block 8 is formed at the position of the flexible band corresponding to the insertion groove and is embedded in the corresponding insertion groove.
In this embodiment, a return pressure spring 16 is sleeved outside the guide post between the sliding sleeve and the end of the handle of the hinge rod.
In this embodiment, various implementation manners can be adopted for the installation of the safety post, for example, a groove 7 is formed in the front end face of the vertical beam along the extending direction of the vertical beam, fixed blocks are respectively installed at the upper end part and the lower end part of the groove, the safety post is fixed between the two fixed blocks, and a gap is formed between the outer surface of the safety post and the inner surface of the groove at intervals; or the safety post is arranged in front of the front end face of the vertical beam in a protruding mode, the upper end portion and the lower end portion of the safety post are fixedly mounted with the vertical beam, and a gap is formed between the safety post and the front end face of the vertical beam.
In this embodiment, the upper end surface of each beam is covered with a layer of insulating layer 3, and the upper surface of the insulating layer is provided with anti-slip particles.
The utility model discloses a working process is:
the utility model discloses during the use, operating personnel bores into in the space that bandage and ladder formed, places the bandage and can climb or stand like ordinary ladder after its armpit position, in case the condition that operating personnel skids and drops appears, the locking handle is locked with the safety pillar under the effect of operating personnel dead weight, and then the horizontal position of locking the bandage, operating personnel then can not break away from with the ladder and fall, at this process, also need not operating personnel hand and grabs the crossbeam, consequently, the condition that operating personnel worried about and throw out the instrument appears also difficultly appearing.
In this maintenance ladder, the locking handle sets up to the jaw type structure of middle part hinge dress, connecting rod and two guide pillar suits are fixed, because connecting rod length is fixed, consequently, draw and drag handheld portion one side that the connecting rod can realize two hinge arms and can realize the closure, according to lever principle, when the handheld portion of two hinge arms is closed, its jaw portion equally can be closed, because the length of flexible band is certain, when jaw portion is closed flexible band and the inseparable crimping of safety pillar, area of contact increases, the atress increases, and then it is spacing with the safety pillar locking with the promotion frictional force.
In the maintenance ladder, the caulking groove made by the safety post is matched with the caulking block made by the flexible belt, so that the relative movement of the locking handle and the safety post can be limited, and the situation of twisting and winding of the locking handle and the safety post is avoided.
In this maintenance ladder, reset spring's effect is used for to the jaw portion promotion connecting rod, resets, and then reduces the frictional force between locking handle and the safety post to prevent its restriction operating personnel's normal removal.
Claims (4)
1. The utility model provides a power maintenance ladder of preventing falling, includes a ladder, and this ladder includes the perpendicular roof beam of two parallel interval installations, and even interval installs a plurality of crossbeams, its characterized in that between two perpendicular roof beams: install a safety post that adopts the rigidity material to make respectively along erecting the roof beam extending direction in the front end face of two perpendicular roof beams, the upper end of safety post and the lower tip and the perpendicular roof beam fixed mounting of homonymy, the outside of every safety post all overlaps and is equipped with a locking handle, installs a bandage between two locking handles jointly, is used for operating personnel to scramble in the space that forms between bandage and ladder.
2. A fall arrest power maintenance ladder as claimed in claim 1, in which: each locking handle comprises two hinged rods, the middle parts of the two hinged rods are hinged to form a pliers-type structure, one end parts of the two hinged rods are arranged to be jaw parts by taking a hinged shaft as a center, the other end parts of the two hinged rods are arranged to be handheld parts, the end parts of the two hinged rods on the side of the jaw parts are fixedly arranged with one end of a flexible belt respectively, and an opening formed by the jaw parts and the flexible belt sleeve the safety post inside; the two hinged rods at the side of the hand-held part are respectively provided with a guide pillar inside along the extension direction thereof, a connecting rod is arranged between the two guide pillars, the two side ends of the connecting rod are respectively provided with a sliding sleeve integrally, the two sliding sleeves are respectively sleeved outside the guide pillars at the same side, a triangular structure is formed between the two guide pillars and the connecting rod, and the guide pillars and the end part at the same side of the binding band are sleeved and fixed.
3. A fall arrest power maintenance ladder as claimed in claim 2, in which: an embedded groove is formed in the surface of the safety column on the same side as the ladder along the axial direction, a convex embedded block is formed in the position, corresponding to the embedded groove, of the flexible belt, and the embedded block is embedded in the corresponding embedded groove.
4. A fall arrest power maintenance ladder as claimed in claim 2, in which: and a reset pressure spring is sleeved outside the guide post between the sliding sleeve and the end part of the handheld part of the hinge rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920914735.3U CN210659900U (en) | 2019-06-18 | 2019-06-18 | Anti-falling power maintenance ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920914735.3U CN210659900U (en) | 2019-06-18 | 2019-06-18 | Anti-falling power maintenance ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210659900U true CN210659900U (en) | 2020-06-02 |
Family
ID=70817303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920914735.3U Active CN210659900U (en) | 2019-06-18 | 2019-06-18 | Anti-falling power maintenance ladder |
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| Country | Link |
|---|---|
| CN (1) | CN210659900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206480A (en) * | 2019-06-18 | 2019-09-06 | 国网天津市电力公司 | A kind of fall arrest power equipment maintaining ladder |
-
2019
- 2019-06-18 CN CN201920914735.3U patent/CN210659900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206480A (en) * | 2019-06-18 | 2019-09-06 | 国网天津市电力公司 | A kind of fall arrest power equipment maintaining ladder |
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