CN215565646U

CN215565646U - Stable double ladder

Info

Publication number: CN215565646U
Application number: CN202121317107.0U
Authority: CN
Inventors: 彭梓元; 佘瑾; 张且
Original assignee: Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd
Current assignee: Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-18
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to a stable herringbone ladder, which comprises a herringbone ladder body, a plurality of fixing components and hanging ring components, wherein the fixing components are arranged on the herringbone ladder body; the fixing assemblies are sequentially arranged on the herringbone ladder body along the length direction of the herringbone ladder body and comprise two fixing rods and a hoop, one ends of the two fixing rods are detachably connected with the side surfaces of the two ladder frames respectively, and the other ends of the two fixing rods are detachably connected with the hoop; the hanging ring assembly is detachably connected with the herringbone ladder body and is used for fixing the safety belt. The stable herringbone ladder provided by the utility model can be fixed with a telegraph pole through the fixing rods and the hoops, so that the herringbone ladder cannot overturn in the use process, and in addition, the stable herringbone ladder can also be used for fixing a safety belt through the hanging ring assembly, so that a worker can be protected when falling.

Description

Stable double ladder

Technical Field

The utility model relates to the technical field of herringbone ladders, in particular to a stable herringbone ladder.

Background

In the maintenance process of equipment in a substation, workers are often required to perform high-altitude operation. At present, the herringbone ladder is often leaned on a telegraph pole to carry out high-altitude operation, and the herringbone ladder is difficult to be reliably fixed in the using process, so that potential safety hazards exist.

In addition, according to the requirements of national grid company 'national grid company electric power safety work rules': the safety belt is required to be tied and hung for the operation of more than 2 m; the hook or rope of the safety belt should be hung on a firm component and should be hung in a high-low mode (namely the safety belt is hung at a position higher than a person to stand).

When workers carry out high-altitude operation on the single-rod type primary electrical equipment on the herringbone ladder, the safety belt is often tied and hung on the occasion (such as when a single-rod type zinc oxide lightning arrester above 110kV is overhauled), so that potential safety hazards exist.

Therefore, the existing herringbone ladder has the problems that the herringbone ladder is difficult to be reliably fixed and cannot fix a safety belt when in use.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a stable herringbone ladder, which solves the problems of the current herringbone ladder that it is difficult to reliably fix the herringbone ladder and the safety belt cannot be fixed.

The utility model provides a stable herringbone ladder, which comprises a herringbone ladder body, a plurality of fixing components and hanging ring components, wherein the fixing components are arranged on the herringbone ladder body;

the fixing assemblies are sequentially arranged on the herringbone ladder body along the length direction of the herringbone ladder body and comprise two fixing rods and a hoop, one ends of the two fixing rods are detachably connected with the side surfaces of the two ladder frames respectively, and the other ends of the two fixing rods are detachably connected with the hoop;

the hanging ring assembly is detachably connected with the herringbone ladder body and is used for fixing the safety belt.

Furthermore, the fixing rod is a telescopic rod.

Furthermore, the fixing rod comprises a first sleeve and a first screw rod, the first sleeve is sleeved outside the first screw rod and is in threaded connection with the first screw rod, and when the first screw rod rotates relative to the first sleeve, the first screw rod can extend out of or retract into the first sleeve, so that the fixing rod is extended or shortened.

Further, the hanging ring assembly comprises a connecting rod and a hanging ring;

one end of the connecting rod is provided with a hinged part and a fixed part, the hinged part is hinged with the herringbone ladder body through a hinge, the fixed part can be detachably connected with the herringbone ladder body through a bolt, and the other end of the connecting rod is fixedly connected with the hanging ring.

Furthermore, the connecting rod is a telescopic rod.

Furthermore, the connecting rod comprises a second sleeve and a second screw rod, the hinge portion and the fixing portion are formed at one end of the second sleeve, the second sleeve is sleeved outside the second screw rod and is in threaded connection with the second screw rod, one end of the second screw rod is fixedly connected with the hanging ring, and when the second screw rod rotates relative to the second sleeve, the second screw rod can extend out of or retract into the second sleeve, so that the connecting rod is extended or shortened.

Further, the staple bolt includes half staple bolt on a left side and half staple bolt on a right side, the both ends of half staple bolt on a left side can be dismantled with the both ends of half staple bolt on a right side and be connected.

Further, the staple bolt includes half staple bolt on a left side and half staple bolt on a right side, the one end of half staple bolt on a left side is passed through the pivot with the one end of half staple bolt on a right side and is rotated and be connected, the other end of half staple bolt on a left side can be dismantled with the other end of half staple bolt on a right side and be connected.

Furthermore, an anti-slip mat is fixedly arranged on the inner side of the hoop.

Furthermore, the herringbone ladder further comprises a plurality of wear-resistant foot pads, the wear-resistant foot pads are in one-to-one correspondence with the ladder feet of the herringbone ladder body, and the wear-resistant foot pads are detachably connected with the ladder feet of the herringbone ladder body.

Compared with the prior art, the stable herringbone ladder provided by the utility model can be fixed with the telegraph pole through the fixing rods and the hoops, so that the herringbone ladder cannot be overturned in the use process.

Drawings

FIG. 1 is a schematic structural view of a stabilized herringbone ladder provided by the present invention;

FIG. 2 is a side view of a stabilized herringbone ladder provided by the present invention;

fig. 3 is a schematic structural view of a hoop in a stable herringbone ladder provided by the present invention;

fig. 4 is a schematic structural view of a hoop in a stable herringbone ladder provided by the present invention.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.

Referring to fig. 1, the present invention provides a stable herringbone ladder body, which includes a herringbone ladder body 1, a plurality of fixing components 2 and a hanging ring component 3, wherein the herringbone ladder body 1 is provided.

The fixing assemblies 2 are sequentially arranged on the herringbone ladder body 1 along the length direction of the herringbone ladder body 1, each fixing assembly 2 comprises two fixing rods 21 and an anchor ear 22, one ends of the two fixing rods 21 are detachably connected with the side faces of the two ladder frames 11 respectively, the other ends of the two fixing rods 21 are detachably connected with the anchor ear 22, and specifically, the detachable connection between the ladder frames 11 and the fixing rods 21 and between the fixing rods 21 and the anchor ears 22 can be realized through bolts.

When the herringbone ladder body 1 is used, the herringbone ladder body 1 can be fixed on a telegraph pole through the fixing rods 21 and the hoops 22, so that accidents caused by the herringbone ladder body 1 falling over can be avoided.

The hanging ring assembly 3 is detachably connected with the herringbone ladder body 1, specifically, the hanging ring assembly 3 can be arranged at the top of the herringbone ladder body 1 and also can be arranged on the side face of the herringbone ladder body 1, and the hanging ring assembly 3 is used for fixing a safety belt, so that a worker can be protected when falling carelessly.

As a preferred embodiment, the fixing rod 21 is a telescopic rod, and the distance between the herringbone ladder body 1 and the utility pole can be adjusted by adjusting the length of the fixing rod 21, so that the maintenance work of workers is more convenient.

As a preferred embodiment, the fixing rod 21 includes a first sleeve (not shown in the figure) and a first screw (not shown in the figure), the first sleeve is sleeved outside the first screw and is in threaded connection with the first screw, and when the first screw rotates relative to the first sleeve, the first screw can extend out of or retract into the first sleeve, so as to extend or shorten the fixing rod 21.

The connection relationship of the fixing rod 21 is that the first sleeve is detachably connected with the ladder frame 11, the first screw rod is detachably connected with the hoop 22 or the first sleeve is detachably connected with the hoop 22, and the first screw rod is detachably connected with the ladder frame 11.

Referring to fig. 2, as a preferred embodiment, the hanging ring assembly 3 includes a connecting rod 31 and a hanging ring 32, one end of the connecting rod 31 includes a hinge portion and a fixing portion, the hinge portion is hinged to the double ladder body 1 through a hinge, the fixing portion can be detachably connected to the double ladder body 1 through a bolt, the other end of the connecting rod 31 is fixedly connected to the hanging ring 32, and the hanging ring 32 can be matched with a hook on a safety belt to fix the safety belt.

When the herringbone ladder body 1 is used, the connecting rod 31 and the herringbone ladder body 1 can be fixed together through bolts, after the herringbone ladder body is used, the bolts can be detached firstly, and then the connecting rod 31 is folded, so that the length of the stable herringbone ladder body in an idle state can be reduced.

As a preferred embodiment, the connecting rod 31 is a telescopic rod, and the length of the connecting rod 31 can be adjusted to meet the requirements of workers with different heights, so that the position of the hanging ring 32 can be higher than the fixed position of the safety belt on the body of the worker (i.e. the requirement of high hanging and low hanging can be met) no matter the hanging ring is located at any position of the trestle ladder body 1.

Referring to fig. 2, as a preferred embodiment, the connecting rod 31 includes a second sleeve 311 and a second screw 312, the hinge portion and the fixing portion are formed at one end of the second sleeve 311, the second sleeve 311 is detachably connected to the herringbone ladder body 1 through the hinge portion and the fixing portion, and the specific connection relationship has been described above in detail and is not described again.

The second sleeve 311 is sleeved outside the second screw 312 and is in threaded connection with the second screw 312, one end of the second screw 312 is fixedly connected with the hanging ring 32, and when the second screw 312 rotates relative to the second sleeve 311, the second screw 312 can extend out of or retract into the second sleeve 311, so that the connecting rod 31 extends or shortens.

Referring to fig. 3, in the first embodiment of the anchor ear, the anchor ear 22 includes a left half anchor ear 221 and a right half anchor ear 222, two ends of the left half anchor ear 221 are detachably connected to two ends of the right half anchor ear 222 through bolts, wherein the two fixing rods 21 are detachably connected to the left half anchor ear 221 and the right half anchor ear 222, which is not limited in the disclosure.

When the stable herringbone ladder is idle, the hoop 22 of the structure can be disassembled into two parts to be placed, so that the placing space can be saved.

Referring to fig. 4, in a second embodiment of the anchor ear, the anchor ear 22 includes a left half anchor ear 221 and a right half anchor ear 222, one end of the left half anchor ear 221 is rotatably connected to one end of the right half anchor ear 222 through a rotating shaft, the other end of the left half anchor ear 221 is detachably connected to the other end of the right half anchor ear 222 through a bolt, wherein the two fixing rods 21 may be detachably connected to the left half anchor ear 221 or the right half anchor ear 222, which is not limited in the present invention.

The anchor ear 22 of this construction is more convenient in use when securing the stable herringbone ladder to a utility pole.

The staple bolt of above-mentioned two kinds of different structures is selected for use to the actual demand of accessible.

In a preferred embodiment, a non-slip mat (not shown) is fixedly disposed on the inner side of the hoop 22, and specifically, the non-slip mat may be a rubber non-slip mat, and the non-slip mat can play a role of anti-slip and protecting the surface of the electric pole when the hoop 22 is fixed to the electric pole.

Referring to fig. 1, as a preferred embodiment, the herringbone ladder body 1 further includes a plurality of wear-resistant foot pads 4, the wear-resistant foot pads 4 correspond to the ladder legs of the herringbone ladder body 1 one by one, the wear-resistant foot pads 4 are detachably connected to the ladder legs of the herringbone ladder body 1, specifically, the wear-resistant foot pads 4 may be made of rubber, plastic or other materials, and the wear-resistant foot pads 4 may reduce wear of the ladder legs of the herringbone ladder body 1 in a use process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims

1. A stable double ladder is characterized by comprising a double ladder body, a plurality of fixing components and hanging ring components;

2. The stabilized herringbone ladder of claim 1, wherein said fixing bars are telescopic bars.

3. The stabilized herringbone ladder of claim 2, wherein said fixing rod comprises a first sleeve and a first screw, said first sleeve is sleeved outside said first screw and is in threaded connection with said first screw, when said first screw is rotated relative to said first sleeve, said first screw can extend or retract into said first sleeve to lengthen or shorten said fixing rod.

4. The stabilized herringbone ladder of claim 1, wherein said suspension loop assembly comprises a connecting rod and a suspension loop;

5. The stabilized herringbone ladder of claim 4, wherein said connecting rods are telescoping rods.

6. The stabilized herringbone ladder of claim 5, wherein said connecting rod includes a second sleeve and a second screw, said hinge portion and said fixing portion are formed at one end of said second sleeve, said second sleeve is sleeved outside said second screw and is in threaded connection with said second screw, one end of said second screw is fixedly connected with said hanging ring, when said second screw is rotated relative to said second sleeve, said second screw can extend or retract into said second sleeve to lengthen or shorten said connecting rod.

7. The stabilized double ladder of claim 1, wherein the anchor ear comprises a left half anchor ear and a right half anchor ear, and both ends of the left half anchor ear are detachably connected with both ends of the right half anchor ear.

8. The stable double ladder of claim 1, wherein the anchor ear comprises a left half anchor ear and a right half anchor ear, one end of the left half anchor ear is rotatably connected with one end of the right half anchor ear through a rotating shaft, and the other end of the left half anchor ear is detachably connected with the other end of the right half anchor ear.

9. The stabilized herringbone ladder of claim 7 or 8, wherein a non-slip mat is fixedly arranged on the inner side of the hoop.

10. The stabilized double ladder of claim 1, further comprising a plurality of wear resistant foot pads, said wear resistant foot pads corresponding one-to-one with the ladder legs of the double ladder body, said wear resistant foot pads being removably connected with the ladder legs of the double ladder body.