CN211397395U

CN211397395U - Movable herringbone ladder

Info

Publication number: CN211397395U
Application number: CN201920697834.0U
Authority: CN
Inventors: 李志强; 王强; 吴恩泽
Original assignee: China Railway Construction Engineering Group Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-09-01
Anticipated expiration: 2029-05-15

Abstract

The utility model provides a portable double ladder, include the double ladder body and set up the moving mechanism of trampling on the double ladder body, double ladder body bottom is equipped with the gyro wheel, trample the moving mechanism including trampling the subassembly, fixed subassembly and supporting component, fixed subassembly includes the connecting axle, it includes first footboard to trample the subassembly, second footboard and coupling spring, first footboard and second footboard rotationally set up the both sides at the connecting axle respectively, coupling spring and this body coupling of double ladder are passed through in the first footboard outside, supporting component includes the supporting leg, the supporting leg top is fixed at first footboard lower surface, still including setting up the seat at double ladder body top. In the embodiment of the application, because the seat arranged at the top of the herringbone ladder body is included, an operator can sit on the seat to conduct wall painting work, fatigue caused by long-time standing at high altitude work can be avoided, and the construction safety is improved.

Description

Movable herringbone ladder

Technical Field

The application relates to the field of building construction, in particular to a movable herringbone ladder.

Background

An operation ladder is a climbing operation tool and is assembled by a left ladder and a right ladder through hinges. Not only can be carried together for movement, but also can be used for climbing operation by separating two single ladders as a supporting platform. Due to the flexibility, the device is widely applied to temporary climbing operation. According to the existing movable herringbone ladder, an operator can slide by virtue of the operation ladder, and the operation ladder does not need to be carried repeatedly and climbed repeatedly. In the existing movable herringbone ladder, operating personnel need to stand on the top of the ladder for operation, and the operating personnel in a working state for a long time are easy to fatigue for operation, so that potential safety hazards are formed.

Disclosure of Invention

The technical problem that this application will be solved is to prior art not enough, provides a portable double ladder.

The technical problem to be solved by the application is solved by the following technical scheme:

a movable herringbone ladder comprises a herringbone ladder body and a treading moving mechanism arranged on the herringbone ladder body, wherein rollers are arranged at the bottom of the herringbone ladder body, the treading moving mechanism comprises a treading assembly, a fixing assembly and a supporting assembly, the fixing assembly comprises a connecting shaft, the treading assembly comprises a first pedal, a second pedal and a connecting spring, the first pedal and the second pedal are respectively and rotatably arranged at two sides of the connecting shaft, the outer side of the first pedal is connected with the herringbone ladder body through the connecting spring, the supporting assembly comprises a supporting leg, the top of the supporting leg is fixed to the lower surface of the first pedal, and the movable herringbone ladder further comprises a seat arranged at the top of the herringbone ladder body.

Further, the seat includes a seat plate.

Furthermore, the herringbone ladder body comprises a first ladder body, a second ladder body and a pin shaft, the first ladder body and the second ladder body are hinged through the pin shaft, the first ladder body comprises two first support columns and a plurality of first pedal rods, the first pedal rods are clamped between the two first support columns, the second ladder body comprises two second support columns and a plurality of second pedal rods, and the second pedal rods are clamped between the two second support columns.

Furthermore, the herringbone ladder further comprises a first limiting rod arranged on the first support column and a second limiting rod arranged on the second support column, and the first limiting rod is hinged with the second limiting rod.

Furthermore, the fixing assembly further comprises a first fixing rod and a second fixing rod which are symmetrically arranged, and the first fixing rod and the second fixing rod are clamped between the pin shaft and the connecting shaft.

Furthermore, the supporting assembly further comprises a fixing rod arranged on the lower surface of the first pedal, and two supporting legs are arranged and are respectively arranged at two ends of the fixing rod.

Further, still include stop gear, stop gear sets up on the second footboard.

Further, the limiting mechanism comprises an annular boss.

Further, the limiting mechanism further comprises a lantern ring fixed on the annular boss.

Due to the adoption of the technical scheme, the beneficial effects of the application are as follows:

in the embodiment of the application, because the seat arranged at the top of the herringbone ladder body is included, an operator can sit on the seat to conduct wall painting and other works, fatigue caused by long-time standing at a high place can be avoided, and the construction safety is improved.

Drawings

FIG. 1 is a schematic structural view of a moveable trestle of the present application in one embodiment;

fig. 2 is a schematic structural diagram of the movable herringbone ladder of the application in another embodiment.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. The present application may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure, and the words used to indicate orientation, top, bottom, left, right, etc. are used solely to describe the illustrated structure in connection with the accompanying figures.

One skilled in the relevant art will recognize, however, that one or more of the specific details can be omitted, or other methods, components, or materials can be used. In some instances, some embodiments are not described or not described in detail.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning.

Furthermore, the technical features, aspects or characteristics described herein may be combined in any suitable manner in one or more embodiments. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Thus, any sequence in the figures and examples is for illustrative purposes only and does not imply a requirement in a certain order unless explicitly stated to require a certain order.

As shown in fig. 1 and the drawings, the movable herringbone ladder of the present application, one embodiment thereof, includes a herringbone ladder body, a tread moving mechanism and a seat disposed on the top of the herringbone ladder body. The treading and moving mechanism is arranged on the herringbone ladder body. The bottom of the herringbone ladder body is provided with the roller 146, the treading moving mechanism comprises a treading assembly, a fixing assembly and a supporting assembly, the fixing assembly comprises a connecting shaft 151, the treading assembly comprises a first pedal 111, a second pedal 112 and a connecting spring 113, the first pedal 111 and the second pedal 112 are respectively and rotatably arranged on two sides of the connecting shaft 151, the outer side of the first pedal 111 is connected with the herringbone ladder body through the connecting spring 113, the supporting assembly comprises a supporting leg 121, and the top of the supporting leg 121 is fixed on the lower surface of the first pedal 111. In one embodiment, the bottom of the support leg 121 may also be provided with a non-slip foot support 122.

Further, the seat of the present application may include a seat plate 131, and the seat plate 131 may be a flat plate.

Further, the double ladder body includes a first ladder body, a second ladder body and a pin 141, and the first ladder body and the second ladder body are hinged through the pin 141.

Further, the first ladder body includes two first support columns 142 and a plurality of first step bars 143, the first step bars 143 are sandwiched between the two first support columns 142, the second ladder body includes two second support columns 144 and a plurality of second step bars 145, and the second step bars 145 are sandwiched between the two second support columns 144.

Further, the double ladder may further include a first limiting rod 147 and a second limiting rod 148, the first limiting rod 147 is disposed on the first support column 142, the second limiting rod 148 is disposed on the second support column 144, and the first limiting rod 147 and the second limiting rod 148 are hinged. The first limiting rod 147 and the second limiting rod 148 are used for limiting the opening angle of the first ladder body and the second ladder body, so that the first ladder body and the second ladder body are prevented from being excessively opened and sliding outwards in the using process, and the safety is improved.

Further, the fixing assembly may further include a first fixing lever 152 and a second fixing lever 153 symmetrically disposed, and the first fixing lever 152 and the second fixing lever 152 are clamped between the pin 141 and the connecting shaft 151.

Further, the supporting assembly may further include a fixing rod 123 disposed on a lower surface of the first pedal, and the two supporting legs 121 are disposed at two ends of the fixing rod 123 respectively.

Further, a limiting mechanism is further included, and the limiting mechanism is arranged on the second pedal 112. In one embodiment, the stop mechanism includes an annular boss 161. When the operator is brushing the wall, the paint cartridge can be placed in the annular boss 161 on the second pedal 112, and the paint cartridge can be prevented from sliding on the second pedal 112 when the operator tilts the second pedal 112 during the stepping process.

Further, the limiting mechanism further comprises a collar (not shown) fixed on the annular boss 161. When in use, the lantern ring is sleeved on the coating cylinder and then fixed on the annular boss 161, so that the coating cylinder can be further prevented from sliding off or being knocked over from the second pedal 112.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the spirit of the disclosure.

Claims

1. A movable herringbone ladder comprises a herringbone ladder body and a treading moving mechanism arranged on the herringbone ladder body, wherein rollers are arranged at the bottom of the herringbone ladder body, the treading moving mechanism comprises a treading assembly, a fixing assembly and a supporting assembly, the fixing assembly comprises a connecting shaft, the treading assembly comprises a first pedal, a second pedal and a connecting spring, the first pedal and the second pedal are respectively and rotatably arranged at two sides of the connecting shaft, the outer side of the first pedal is connected with the herringbone ladder body through the connecting spring, the supporting assembly comprises a supporting leg, and the top of the supporting leg is fixed to the lower surface of the first pedal.

2. The moveable herringbone ladder of claim 1, wherein said seat comprises a seat plate.

3. The movable herringbone ladder of claim 1, wherein said herringbone ladder body comprises a first ladder body, a second ladder body and a pin shaft, said first ladder body and said second ladder body are hinged by said pin shaft, said first ladder body comprises two first support columns and a plurality of first tread bars, said first tread bars are clamped between two said first support columns, said second ladder body comprises two second support columns and a plurality of second tread bars, said second tread bars are clamped between two said second support columns.

4. The movable herringbone ladder of claim 3, further comprising a first stop bar disposed on said first support column and a second stop bar disposed on said second support column, said first stop bar and said second stop bar being hingedly connected.

5. The moveable herringbone ladder of claim 3, wherein the fixing assembly further comprises a first fixing rod and a second fixing rod which are symmetrically arranged, and the first fixing rod and the second fixing rod are clamped between the pin shaft and the connecting shaft.

6. The movable herringbone ladder of claim 1, wherein the supporting assembly further comprises a fixing rod disposed on a lower surface of the first step, and the supporting legs are two in number and disposed at two ends of the fixing rod, respectively.

7. The movable herringbone ladder of any one of claims 1 to 6, further comprising a limiting mechanism, wherein the limiting mechanism is disposed on the second tread.

8. The moveable herringbone ladder of claim 7, wherein said limiting mechanism comprises an annular boss.

9. The movable herringbone ladder of claim 8, wherein said stop mechanism further comprises a collar secured to said annular boss.