CN112096270A

CN112096270A - Herringbone ladder capable of moving transversely

Info

Publication number: CN112096270A
Application number: CN202010980227.2A
Authority: CN
Inventors: 张令琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2020-12-18

Abstract

The invention relates to the technical field of hardware equipment, and discloses a herringbone ladder capable of moving transversely, which comprises a ladder body and a top cover arranged at the top of the ladder body, wherein the top of the top cover is fixedly connected with a fixed frame, the bottom of the fixed frame is hinged with a driving frame, and the driving frame is hinged with a sliding frame. This but lateral shifting's double ladder, through stepping on to move frame drive ladder lateral shifting of drawing, compare the workman's foot and colluding the ladder and remove, it is more laborsaving, the security is higher, it is also comparatively steady to remove, the easy scattered article such as portable paint bucket, secondly, setting through three walking wheel, the ability of crossing the obstacle is stronger, can use better under complicated ground environment, secondly, three walking wheel is automatic dead lock under gravity, loosen naturally during the removal, it is nimble to fix and remove the state switching, convenient to use's while has improved the security, secondly, contact point with ground has increased one time, in time on the ground of unevenness, the ladder also can be relatively steady placing.

Description

Herringbone ladder capable of moving transversely

Technical Field

The invention relates to the technical field of hardware equipment, in particular to a herringbone ladder capable of moving transversely.

Background

The herringbone ladder is one of necessary climbing tools for decoration, and has the advantages of light weight, attractive appearance, durability, flexibility and the like.

Because the position of fitment is constantly changing, consequently need the continuous shift position of double ladder, though utilize the double ladder to walk like the both feet and make many fitment teachers' indispensable technical ability, however, direct use is colluded the double ladder and is walked, it is more labouring, there is great degree of difficulty to the new hand, and there is certain potential safety hazard, do not deserve advocating, secondly because the complexity of putting on the ground of fitment scene, can further strengthen the risk of directly walking with the double ladder, consequently, there is the improvement space in the removal of double ladder.

Secondly, in order to move the double ladder conveniently, the trundles are arranged at the bottoms of a plurality of double ladders and can be pushed away during moving, so that the burden of workers for moving the double ladder is reduced, but the trundles are used to reduce the friction force between the double ladder and the ground, and particularly, the trundles are forgotten to be locked, so that safety accidents are easily caused.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the technical scheme of the herringbone ladder capable of moving transversely, which has the advantages of convenience in movement, high stability and the like, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a but transversely moving's double ladder, includes the top cap at the ladder body and ladder body top, the top fixedly connected with mount of top cap, the bottom of mount articulates there is the drive frame, the drive frame articulates there is the frame of drawing, be connected with the extension spring between top cap and the drive frame, the bottom swing joint of the ladder body and regular triangle's swinging boom, the equal swing joint in three angle of swinging boom has the walking wheel, and under the state of not atress, the rotation of three walking wheel position restriction walking wheel, the top of drawing the frame is connected with the regulation pole.

Preferably, the rotating arm comprises a rotating disc movably connected with the ladder body, the rotating disc is movably connected with a moving arm through a sliding groove, an expansion bag is sleeved in the middle of the rotating disc, and a plunger rod is arranged on the expansion bag.

Preferably, the inner wall of the rotary table is provided with an inclined plane, and the distance between the two inclined planes of the rotary table is smaller than the thickness of the travelling wheel at the minimum distance.

Preferably, a hydraulic rod is arranged between the driving frame and the fixing frame, and is compressed when the driving frame rotates downwards, and the hydraulic rod is communicated with the expansion bag.

Preferably, the rowing frame is formed by sleeving two sections of pipelines, and a compressed spring is arranged between the two sections of pipelines.

The invention has the following beneficial effects:

1. this but lateral shifting's double ladder through stepping on to move frame drive ladder lateral shifting, compares the workman's foot and colludes the ladder and remove, and is more laborsaving, and the security is higher, removes also comparatively steadily, and the easy scattered article such as portable paint bucket, secondly, through the setting of three walking wheel, the ability of crossing the obstacle is stronger, can better use under the ground environment of complicacy.

2. This but lateral shifting's double ladder, three walking wheel are dead in the automatic locking under gravity, loosen naturally during the removal, and fixed and removal state switch is nimble, has improved the security in convenient to use, and secondly, the contact point with ground has increased one time, in time on the ground of unevenness, the ladder also can be relatively steady place, improves the security of using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a rotary arm according to the present invention;

FIG. 3 is a side view of a rotating arm according to the present invention;

FIG. 4 is a schematic structural view of a turntable according to the present invention;

FIG. 5 is a schematic top view of the driving frame of the present invention.

In the figure: 1. a ladder body; 2. a top cover; 3. a fixed mount; 4. a drive frame; 5. a drive frame; 6. adjusting a rod; 7. a tension spring; 8. a rotating arm; 81. a turntable; 82. a moving arm; 83. a chute; 84. an inflation bladder; 9. a traveling wheel; 10. a hydraulic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a transversely movable herringbone ladder comprises a ladder body 1 and a top cover 2 arranged on the top of the ladder body 1, wherein the top of the top cover 2 is fixedly connected with a fixed frame 3, the fixed frame 3 is in an L shape and can be used as a storage table for placing a paint cylinder or other tools, the bottom of the fixed frame 3 is hinged with a driving frame 4, the driving frame 4 is provided with a foot hook for conveniently poking the driving frame 4 by feet, the driving frame 4 is hinged with a scraping frame 5, the driving frame 4 is treaded by the feet to convert the force into the friction force between the scraping frame 5 and the ground, the bottom of the scraping frame 5 is provided with a transverse cylinder, the outer surface of the cylinder is sleeved with a rubber sleeve for increasing the friction force with the ground and driving the herringbone ladder to transversely move, a tension spring 7 is connected between the top cover 2 and the driving frame 4 for resetting the tension spring 7 to reduce the acting force required by the foot hook for driving the driving frame 4, the bottom of the ladder body 1 is movably connected with a, the swinging boom 8 is all installed at four angles of the ladder body 1, the equal swing joint in three angles of swinging boom 8 has walking wheel 9, and triangle-shaped rotates and improves the ability of crossing the obstacle, and is three the position between the walking wheel 9 is adjustable, and under the state of not atress, and three walking wheel 9 place position restriction walking wheel 9's rotation avoids the bottom of the ladder body 1 to skid, the top of drawing frame 5 is connected with adjusts pole 6, when will driving frame 4 and improve big highest position, draws the inclination of frame 5 through drawing the adjustment of frame 5, controls the moving direction of double ladder then.

Referring to fig. 2 and 3, the rotating arm 8 includes two rotating discs 81 movably connected to the ladder body 1, the two rotating discs 81 are symmetrically arranged, the rotating discs 81 are movably connected to moving arms 82 through sliding grooves 83, three groups of moving arms 82 and sliding grooves 83 are arranged and are circumferentially arranged, an expansion bag 84 is sleeved in the middle of the rotating discs 81, a plunger rod is arranged on the expansion bag 84, and when the pressure in the expansion bag 84 increases, the moving arms 82 are ejected, so that the traveling wheels 9 are ejected and can rotate.

Referring to fig. 4, an inclined plane is disposed on an inner wall of the turntable 81, and a distance between the inclined planes of the two turntables 81 is smaller than a minimum distance, which is smaller than a thickness of the traveling wheel 9, that is, when the traveling wheel 9 retracts, the inclined plane of the turntable 81 is tightly abutted to limit rotation of the traveling wheel 9, and a groove for the movable arm 82 to slide is formed on the inclined plane.

Referring to fig. 5, a hydraulic rod 10 is disposed between the driving frame 4 and the fixing frame 3, and when the driving frame 4 rotates downward, the hydraulic rod 10 is compressed, the hydraulic rod 10 is communicated with the expansion bag 84, and when the driving frame is pushed each time, the hydraulic rod 10 raises the pressure in the expansion bag 84, so that the traveling wheels 9 extend out.

The sliding frame 5 is formed by sleeving two sections of pipelines, a compressed spring is arranged between the two sections of pipelines, when the driving frame 4 moves downwards, the hydraulic rod 10 is compressed firstly, the walking wheels 9 extend out, the acting force of the driving frame 4 is prevented from being completely converted into vertical force, the herringbone ladder is turned over, a pre-compressed spring is arranged between the moving arm 82 and the expansion bag 84, and the acting force required by the ejection of the walking wheels 9 is reduced.

The working principle and the working process of the invention are as follows:

when the ladder needs to be moved, the ladder strides over the top cover 2, a single foot treads on the driving frame 4 to continuously press, when the driving frame 4 is pressed, the hydraulic rod 10 is compressed firstly, the walking wheels 9 are ejected out, the driving frame 4 is further pressed downwards, the acting force of the rowing frame 5 and the ground is converted into transverse moving force to push the ladder to move, when the driving frame 4 moves upwards, the pressure in the expansion bag 84 is reduced, the walking wheels 9 retract under the gravity and are naturally locked, when the direction needs to be changed to move, the driving frame 4 is lifted to the highest point, and the rowing frame 5 is inclined in one direction through the adjusting rod 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A herringbone ladder capable of moving transversely comprises a ladder body (1) and a top cover (2) arranged at the top of the ladder body (1), and is characterized in that: the top fixedly connected with mount (3) of top cap (2), the bottom of mount (3) articulates there is drive frame (4), drive frame (4) articulate there is drawing frame (5), be connected with extension spring (7) between top cap (2) and drive frame (4), the bottom swing joint of the ladder body (1) and regular triangle's swinging boom (8), the equal swing joint in three angle of swinging boom (8) has walking wheel (9), and under the state of not atress, the rotation of three walking wheel (9) position restriction walking wheel (9), the top of drawing frame (5) is connected with adjusts pole (6).

2. A laterally displaceable catwalk according to claim 1, wherein: the rotating arm (8) comprises a rotating disc (81) movably connected with the ladder body (1), the rotating disc (81) is movably connected with a moving arm (82) through a sliding groove (83), an expansion bag (84) is sleeved in the middle of the rotating disc (81), and a plunger rod is arranged on the expansion bag (84).

3. A laterally displaceable catwalk according to claim 2, wherein: the inner wall of carousel (81) is equipped with the inclined plane, two the interval between carousel (81) inclined plane is less than the thickness that the minimum interval is less than walking wheel (9).

4. A laterally displaceable catwalk according to claim 2, wherein: a hydraulic rod (10) is arranged between the driving frame (4) and the fixing frame (3), the hydraulic rod (10) can be compressed when the driving frame (4) rotates downwards, and the hydraulic rod (10) is communicated with the expansion bag (84).

5. A laterally displaceable catwalk according to claim 1, wherein: the rowing frame (5) is formed by sleeving two sections of pipelines, and a compressed spring is arranged between the two sections of pipelines.