CN220667428U - Movable herringbone ladder - Google Patents

Abstract

The utility model discloses a movable herringbone ladder, which comprises a front ladder frame, a rear ladder frame and a fixed operation platform, wherein the tops of the front ladder frame and the rear ladder frame are movably hinged with the fixed operation platform, the movable herringbone ladder also comprises a braking device, the braking device comprises a pedal plate, a movable plate and a braking bracket, the pedal plate is movably hinged with the movable plate, the pedal plate is obliquely arranged obliquely upwards relative to the movable plate, the movable plate can be overturned relative to the pedal plate, the top of the braking bracket is connected with the movable plate, a connecting rod is hinged on the fixed operation platform, the connecting rod is hinged with the front ladder frame, and pulleys are arranged at the bottoms of the front ladder frame and the rear ladder frame. The user can freely move the double ladder in the horizontal direction when on the double ladder, reduces frequent transport of workman and going up and down the ladder, reduces the consumption of physical power, has improved work efficiency.

Description

Movable herringbone ladder

Technical Field

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

Background

In the electromechanical installation process, a large number of small-sized equipment such as pipelines, lamps, ultrafine dry powder extinguishers and the like are installed and connected, so that the operation is required to be performed on the top of the wall of the section tube, and the workload is huge. During operation, a worker stands on the herringbone ladder to finish operation installation. As in the patent publication No. CN211397407U, a herringbone ladder is disclosed, which includes a front ladder frame, a lower step, a rear ladder frame, and an upper step. The herringbone ladder disclosed in the above patent cannot realize movement of the herringbone ladder when a person stands on the herringbone ladder, and needs to frequently carry the ladder and repeatedly carry out the actions of going up and down the ladder during operation, so that the actual effective construction operation time is reduced, the working efficiency of workers is low, and the labor consumption of the workers is high due to frequent going up and down of the ladder, so that continuous high-efficiency operation is not realized.

Disclosure of Invention

Based on the above, the utility model aims to provide the movable herringbone ladder, so that a user can freely move the herringbone ladder in the horizontal direction when the user is on the herringbone ladder, frequent carrying and climbing of the ladder by the worker are reduced, the physical consumption is reduced, and the working efficiency is improved.

The movable herringbone ladder comprises a front ladder frame, a rear ladder frame and a fixed operation platform, wherein the tops of the front ladder frame and the rear ladder frame are movably hinged with the fixed operation platform, the movable herringbone ladder further comprises a braking device, the braking device comprises a pedal plate, a movable plate and a braking support, the pedal plate is movably hinged with the movable plate, the pedal plate is obliquely arranged above the movable plate, the movable plate can be turned over relative to the pedal plate, the top of the braking support is connected with the movable plate, a connecting rod is hinged to the fixed operation platform, the connecting rod is hinged to the front ladder frame, and pulleys are arranged at the bottoms of the front ladder frame and the rear ladder frame.

The movable herringbone ladder is provided with the foot pedals, the movable plates and the braking brackets, when a user sits on the fixed operation platform or stands on the movable herringbone ladder, the movable plates can be lifted and fallen down in a linkage manner, and the herringbone ladder can move in the horizontal direction. According to the utility model, the pulley and the braking device are arranged on the herringbone ladder, so that a user can move the herringbone ladder on the herringbone ladder without frequently moving up and down and carrying the herringbone ladder, the physical consumption of frequently moving up and down the herringbone ladder is reduced, and the working efficiency is improved.

Further preferably, the front ladder frame and the rear ladder frame are respectively provided with a connecting cross rod, the foot pedal is connected with the connecting cross rod on the rear ladder frame, and the movable plate is connected with the connecting cross rod of the front ladder frame.

Further preferably, the braking bracket comprises a first bracket, a second bracket and a bracket cross rod, wherein the tops of the first bracket and the second bracket are respectively connected with the movable plate, the bracket cross rod is positioned between the first bracket and the second bracket, and two ends of the bracket cross rod are respectively connected with the first bracket and the second bracket.

Further preferably, the movable herringbone ladder further comprises two fixing rods, one ends of the fixing rods are hinged with the rear ladder frame, the other ends of the fixing rods are hinged with the hinged positions of the foot pedals and the movable plate, and the two fixing rods are located on two opposite sides of the rear ladder frame.

Further preferably, the movable plate includes a movable frame and a plurality of movable rods fixed on the movable frame, the plurality of movable rods are arranged at intervals along the width direction of the movable frame, and gaps are arranged between adjacent movable rods.

Further preferably, the step includes a step frame, and a plurality of step bars fixed to the step frame, the plurality of step bars being spaced apart along a width direction of the step frame.

Further preferably, the fixed operation platform comprises two first platform supporting rods and two second platform supporting rods, the two first platform supporting rods are oppositely arranged, two ends of the two second platform supporting rods are respectively connected with the two first platform supporting rods, and the front ladder frame and the rear ladder frame are respectively and movably hinged with two ends of the first platform supporting rods.

Further preferably, the two connecting rods are respectively located at two opposite sides of the fixed operation platform, and are respectively hinged with the two first platform supporting rods.

Further preferably, the bottoms of the front ladder frame and the rear ladder frame are fixed with fixing seats, and the pulleys are rotationally connected with the fixing seats.

Further preferably, the fixing seat comprises a first fixing seat support and a second fixing seat support, a rotating shaft is arranged in the middle of the pulley, and two ends of the rotating shaft are respectively connected with the first fixing seat support and the second fixing seat support.

Compared with the prior art, the movable herringbone ladder is provided with the braking device, when the herringbone ladder is required to be moved, a user lifts the movable plate by using feet, and in the process that the movable plate lifts and falls, the herringbone ladder is driven to move through the braking support, so that the herringbone ladder is stable and reliable when moving. The foot rest and the movable plate are arranged on the double ladder, so that a user can conveniently place two feet, and meanwhile, the foot rest and the movable plate can also be used for placing tools and the like.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

Fig. 1 is a schematic perspective view of a mobile herringbone ladder.

Fig. 2 is another perspective view of a mobile herringbone ladder.

Fig. 3 is a front view of the mobile herringbone ladder.

Reference numerals illustrate:

1. a front ladder frame; 2. a rear ladder frame; 3. fixing an operation platform; 4. a braking device; 5. a pulley; 6. the first fixing seat bracket; 7. the second fixing seat bracket; 41. a foot pedal; 42. a movable plate; 43. a brake bracket; 8. connecting the cross bars; 431. a first bracket; 432. a second bracket; 433. a bracket cross bar; 9. a fixed rod; 421. a movable frame; 422. a movable rod; 411. pedal frame; 412. a foot pedal lever; 31. a first platform support bar; 32. a second platform support bar; 10. and (5) connecting a rod.

Detailed Description

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible mentioned in this specification are defined with respect to their construction, and they are relative concepts. Therefore, the position and the use state of the device may be changed accordingly. These and other directional terms should not be construed as limiting terms.

The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with aspects of the present disclosure.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

As shown in fig. 1, the present embodiment discloses a mobile herringbone ladder, which includes a front ladder frame 1, a rear ladder frame 2, a fixed operating platform 3, and a brake device 4. Wherein, the tops of the front ladder frame 1 and the rear ladder frame 2 are movably hinged with the fixed operation platform 3, and two pulleys 5 are respectively fixed at the bottoms of the front ladder frame 1 and the rear ladder frame 2. In order to realize the connection of the pulley 5 with the front ladder frame 1 and the rear ladder frame 2, fixed seats are fixed at the bottoms of the front ladder frame 1 and the rear ladder frame 2, and the pulley 5 is rotationally connected with the fixed seats. Further, the fixing base comprises a first fixing base support 6 and a second fixing base support 7, a rotating shaft is arranged in the middle of the pulley 5, and two ends of the rotating shaft are respectively connected with the first fixing base support 6 and the second fixing base support 7.

As shown in fig. 2 and 3, the brake device 4 includes a foot pedal 41, a movable plate 42, and a brake bracket 43 for moving the herringbone ladder. The foot plate 41 is movably hinged to the movable plate 42, the foot plate 41 is inclined obliquely upward relative to the movable plate 42, and the movable plate 42 can be turned over relative to the foot plate 41. The front ladder frame 1 and the rear ladder frame 2 are respectively provided with a connecting cross rod 8, a foot pedal 41 is connected with the connecting cross rod 8 on the rear ladder frame 2, and a movable plate 42 is connected with the connecting cross rod 8 of the front ladder frame 1. The braking bracket 43 comprises a first bracket 431, a second bracket 432 and a bracket cross rod 433, wherein the tops of the first bracket 431 and the second bracket 432 are respectively connected with the movable plate 42, the bracket cross rod 433 is positioned between the first bracket 431 and the second bracket 432, and two ends of the bracket cross rod 433 are respectively connected with the first bracket 431 and the second bracket 432.

When the position of the herringbone ladder needs to be moved, a user can lift and put down the movable plate 42 by using feet, the movable plate 42 drives the brake bracket 43 to lift and put down, the brake bracket 43 can move forwards after being lifted, and the herringbone ladder is supported after the brake bracket 43 is put down, so that a braking effect is achieved. Because four independent pulleys 5 are arranged on the front ladder frame 1 and the rear ladder frame 2, the free movement of the herringbone ladder is facilitated.

In order to achieve a connection fixation of the braking device 4, the mobile double ladder further comprises two fixing bars 9. Two fixed rods 9 are positioned on two opposite sides of the rear ladder frame 2, one end of each fixed rod 9 is hinged with the rear ladder frame 2, and the other end of each fixed rod 9 is hinged with the hinged position of the pedal 41 and the movable plate 42.

The movable plate 42 of the present embodiment includes a movable frame 421 and a plurality of movable rods 422 fixed on the movable frame 421, wherein the plurality of movable rods 422 are disposed at intervals along the width direction of the movable frame 421, and gaps are provided between adjacent movable rods 422. When lifting and lowering the movable plate 42, the user's foot can be inserted from the gap between the adjacent movable bars 422, thereby facilitating the lifting and lowering of the movable plate 42.

The foot pedal 41 includes a pedal frame 411, and a plurality of foot pedal levers 412 fixed to the pedal frame 411, and the plurality of foot pedal levers 412 are arranged at intervals along the width direction of the pedal frame 411. The arrangement of the foot rest 41 and the movable plate 42 facilitates the placement of the feet of the user and the placement of tools, and simultaneously saves the use of materials of the foot rest 41 and the movable plate 42.

The fixed operation platform 3 comprises two first platform supporting rods 31 and two second platform supporting rods 32, the two first platform supporting rods 31 are oppositely arranged, and two ends of the two second platform supporting rods 32 are respectively connected with the two first platform supporting rods 31. The front ladder frame 1 and the rear ladder frame 2 are respectively movably hinged with the two ends of the first platform supporting rod 31. The two first platform support rods 31 are respectively hinged with the connecting rods 10, the two connecting rods 10 are respectively positioned on two opposite sides of the fixed operation platform 3, and the two connecting rods 10 are respectively hinged with the front ladder frame 1.

In this embodiment, the foot pedal 41, the movable plate 42 and the brake bracket 43 are provided on the mobile herringbone ladder, and when the user sits on the fixed operation platform 3 or stands on the mobile herringbone ladder, the movable plate 42 can be lifted and dropped to link the brake bracket 43, so that the herringbone ladder can move in the horizontal direction. According to the embodiment, the pulley 5 and the braking device 4 are arranged on the herringbone ladder, so that a user can move the herringbone ladder on the herringbone ladder without frequently lifting and carrying the herringbone ladder, the physical consumption of frequently lifting and carrying the herringbone ladder is reduced, and the working efficiency is improved. The braking bracket 43 has braking function after being put down, so that the stability and reliability of the herringbone ladder can be ensured, the safety risk is eliminated, and the action safety is improved.

Compared with the prior art, the movable herringbone ladder of the embodiment not only can use the manual movable herringbone ladder, but also can form double braking through the pedal braking of the movable plate 42, so that different use requirements are met.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (9)

1. Remove double ladder, including preceding ladder frame, back ladder frame and fixed operation platform, the top of preceding ladder frame and back ladder frame all articulates its characterized in that with fixed operation platform activity: the brake device comprises a pedal plate, a movable plate and a brake bracket, wherein the pedal plate is movably hinged with the movable plate, the pedal plate is obliquely arranged obliquely upwards relative to the movable plate, the movable plate can be turned over relative to the pedal plate, the top of the brake bracket is connected with the movable plate, a connecting rod is hinged on a fixed operation platform and is hinged with a front ladder frame, and pulleys are arranged at the bottoms of the front ladder frame and a rear ladder frame; the movable plate comprises a movable frame and a plurality of movable rods fixed on the movable frame, the plurality of movable rods are arranged at intervals along the width direction of the movable frame, and gaps are arranged between adjacent movable rods.

2. The mobile herringbone ladder of claim 1, wherein: the front ladder frame and the rear ladder frame are respectively provided with a connecting cross rod, the foot pedal is connected with the connecting cross rod on the rear ladder frame, and the movable plate is connected with the connecting cross rod of the front ladder frame.

3. The mobile herringbone ladder of claim 1, wherein: the braking support comprises a first support, a second support and a support cross rod, wherein the tops of the first support and the second support are respectively connected with the movable plate, the support cross rod is positioned between the first support and the second support, and two ends of the support cross rod are respectively connected with the first support and the second support.

4. The mobile herringbone ladder of claim 1, wherein: the movable herringbone ladder further comprises two fixing rods, one ends of the fixing rods are hinged to the rear ladder frame, the other ends of the fixing rods are hinged to the hinged positions of the foot pedals and the movable plate, and the two fixing rods are located on two opposite sides of the rear ladder frame.

5. The mobile herringbone ladder of any of claims 1 to 4, wherein: the pedal plate comprises a pedal plate frame and a plurality of pedal rods fixed on the pedal plate frame, wherein the pedal rods are arranged at intervals along the width direction of the pedal plate frame.

6. The mobile herringbone ladder of any of claims 1 to 4, wherein: the fixed operation platform comprises two first platform supporting rods and two second platform supporting rods, the two first platform supporting rods are oppositely arranged, two ends of the two second platform supporting rods are respectively connected with the two first platform supporting rods, and the front ladder frame and the rear ladder frame are respectively movably hinged with two ends of the first platform supporting rods.

7. The mobile herringbone ladder of claim 6, wherein: the two connecting rods are respectively positioned on two opposite sides of the fixed operation platform and are respectively hinged with the two first platform supporting rods.

8. The mobile herringbone ladder of any of claims 1 to 4, wherein: the bottoms of the front ladder frame and the rear ladder frame are fixed with a fixed seat, and the pulley is rotationally connected with the fixed seat.

9. The mobile herringbone ladder of claim 8, wherein: the fixing base comprises a first fixing base support and a second fixing base support, a rotating shaft is arranged at the middle part of the pulley, and two ends of the rotating shaft are respectively connected with the first fixing base support and the second fixing base support.