CN112811369A

CN112811369A - Ascending device for aerial work platform

Info

Publication number: CN112811369A
Application number: CN202110016807.4A
Authority: CN
Inventors: 陈裕炯; 刘国良
Original assignee: Hunan Sinoboom Intelligent Equipment Co Ltd
Current assignee: Hunan Sinoboom Intelligent Equipment Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-05-18

Abstract

The invention discloses a climbing device for an aerial work platform, which comprises: main platform, running-board, ladder, handrail. The main platform comprises a cubic frame formed by a plurality of transverse railings, longitudinal railings and vertical railings, and the bottom end of the cubic frame is fixedly connected with a bottom plate; the pedal is detachably arranged in the cubic frame and is positioned above the bottom plate; the ladder is connected to one end of the pedal and used for assisting an operator of the aerial work platform to climb on the pedal; the handrail is connected in the one end of the footboard that keeps away from the ladder for prevent that aerial working platform operator from falling down. The ascending device for the aerial work platform provided by the embodiment of the invention can work in complex working conditions which are not beneficial to lifting the work platform in place, such as the space above the ceiling of a suspended ceiling, and has the advantages of simple assembly, convenience in use, and convenience in disassembly, storage and placement.

Description

Ascending device for aerial work platform

Technical Field

The invention relates to the field of aerial work, in particular to a climbing device for an aerial work platform.

Background

The aerial work platform is special equipment for aerial work with wide application, and with the development of scientific technology in modern society, the aerial work platform is popularized to all corners of social life, and is more and more widely applied, and the aerial work platform can not be separated from buildings, civil engineering or daily life of people. However, there are some potential safety hazards when the current industry high-altitude operation platform operates in a narrow space: if the aerial work platform operator needs to get into narrow and small space, the platform is very difficult to get into after rising because the volume of platform is great, and the platform lifts often can not put in place by one step, and stands on the railing of platform and is very dangerous again, and work is carried inconveniently.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a climbing device for an aerial work platform, and an aerial work platform operator can operate under complex working conditions which are not beneficial to lifting the work platform in place by using the climbing device and can detach the climbing device when not in use.

According to a first aspect embodiment of the invention, the ascending device for the aerial work platform comprises: main platform, running-board, ladder, handrail. The main platform comprises a cubic frame formed by a plurality of transverse railings, longitudinal railings and vertical railings, and the bottom end of the cubic frame is fixedly connected with a bottom plate; the pedal is detachably arranged in the cubic frame and positioned above the bottom plate; the ladder is connected to one end of the pedal plate and is used for assisting an operator of the aerial work platform to climb on the pedal plate; the handrail is connected at the one end of running-board is kept away from the ladder for prevent that aerial working platform operator from falling down.

The ascending device used on the aerial work platform according to the embodiment of the invention at least has the following technical effects: according to the ascending device for the aerial work platform, which is provided by the embodiment of the invention, the ladder and the handrails are connected to the pedal plate, and the pedal plate is detachably connected with the main platform. The pedal can be separated from the main platform under the condition of not using, and the space of the main platform is not occupied. When the multifunctional suspended ceiling operating platform is used, an operator of the overhead working platform can climb the pedal plate by virtue of the ladder, can conveniently hold the handrail to work, can operate under complex working conditions which are not favorable for the operation platform to lift in place, such as the overhead ceiling of the suspended ceiling, and has the advantages of simple assembly, convenience in use and convenience in disassembly and storage.

According to some embodiments of the invention, the ladder has a folded position folded onto the footboard and an extended position hung vertically from the footboard, the ladder being hinged at one end of the footboard to enable switching between the folded position and the extended position.

According to some embodiments of the invention, the armrest has an extended position for gripping by an operator of the aerial work platform and a folded position overlapping the foot rest, the armrest is hinged at an end of the foot rest remote from the ladder to enable switching between the folded position and the extended position, and the armrest and the foot rest are provided with fixing structures for fixing the armrest in the extended position.

According to some embodiments of the invention, the fixing structure is a third pin hole provided on the armrest and the pedal, and a positioning pin can be inserted into the third pin hole to fix the armrest in the extended position.

According to some embodiments of the invention, an end of the armrest remote from the footrest is movably connected with an extension part, the extension part has an extension position for extending the length of the armrest and a folding position folded in the armrest, the extension part can be switched between the extension position and the folding position, the extension part and the armrest are provided with corresponding first pin holes, and positioning pins can be inserted into the first pin holes to fix the extension part in the extension position.

According to some embodiments of the invention, the step plate is provided with a limiting plate, and the limiting plate can limit the rotation angle of the ladder.

According to some embodiments of the invention, the width of the cubic frame is smaller than the width of the footboard so as to support the footboard, and the width of the cubic frame matches the length of the limiting plate so as to limit the left and right movement of the footboard.

According to some embodiments of the invention, the pedal plate is hinged with a limiting clamp, the limiting clamp is provided with an extending position and a folding position, the limiting clamp is hinged to realize switching between the extending position and the folding position, the limiting clamp can limit up and down movement of the pedal plate when located at the extending position, and the limiting clamp can fix the ladder located at the folding position and the handrail located at the folding position when located at the folding position.

According to some embodiments of the invention, the limit card and the pedal plate are provided with corresponding second pin holes, and a positioning pin can be inserted into the second pin hole to fix the limit card at the folding position.

According to some embodiments of the invention, the handrail is provided with a first hanging lug for hanging the handrail on the longitudinal rail, and the footboard is provided with a second hanging lug for hanging the footboard on the longitudinal rail.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an installation structure of an embodiment of the present invention;

FIG. 2 is a front view of an embodiment of the present invention;

FIG. 3 is a side view of an embodiment of the present invention;

fig. 4 is a bottom view of an embodiment of the present invention.

Reference numerals:

100 main platforms, 110 cubic frames, 111 transverse railings, 112 longitudinal railings, 113 vertical railings, 120 bottom plates;

200 foot pedals, 210 limit clamps, 220 second lugs, 230 anti-skid protrusions, 240 cross beams and 250 limit plates;

300 ladders, 310 anti-skid lines;

400 handrail, 401 fixed knot structure, 410 extension, 420 first hangers, horizontal bar 430.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an ascending device for an aerial work platform according to an embodiment of the present invention includes: main platform 100, foot rest 200, ladder 300, arm rest 400. The main platform 100 comprises a cubic frame 110 formed by a plurality of transverse railings 111, longitudinal railings 112 and vertical railings 113 in a surrounding mode, the transverse railings 111, the longitudinal railings 112 and the vertical railings 113 are welded, and a bottom plate 120 is welded at the bottom end of the cubic frame 110; the foot board 200 is mounted on the transverse rail 111; a ladder 300 is attached to one end of the foot rest 200 and is positioned below the foot rest 200 to assist an aerial platform operator in climbing the foot rest 200. The handrail 400 is attached to an end of the footboard 200 remote from the ladder 300 and positioned above the footboard 200, in use hanging the footboard 200 from the transverse rail 111. An operator can climb up the foot pedal 200 through the ladder 300 and hold the handle 400 to work in complex conditions that are not conducive to lifting the work platform into place.

The invention provides a climbing device for an aerial work platform, which is characterized in that a ladder 300 and a handrail 400 are connected to a pedal 200, and the pedal 200 is detachably connected with a main platform 100 so as to facilitate the installation and the detachment of the climbing device. The aerial platform operator can work by climbing the foot pedal 200 with the ladder 300 and holding the arm rest 400. The climbing device can be used for complex working condition operation which is not beneficial to the lifting of the operation platform in place, and has the advantages of simple assembly, convenient use, small shrinkage state and convenient storage and placement.

In some embodiments of the invention, the ladder 300 is hinged at one end of the foot rest 200, the ladder 300 is in an extended position when rotated about the foot rest 200 to below the foot rest 200 and perpendicular to the foot rest 200, the ladder in the extended position allows an aerial platform operator to step on the foot rest 200, the ladder 300 is rotated about the foot rest 200 to a collapsed position when collapsed with the foot rest 200, the ladder 300 in the collapsed position facilitating storage and transport.

In some embodiments of the invention, the armrest 400 is hinged to an end of the footrest 200 remote from the ladder 300, the armrest 400 being in an extended position when rotated about the footrest 200 above the footrest 200 and perpendicular to the footrest 200, the armrest 400 in the extended position facilitating grasping by an operator of the aerial work platform. The armrest 400 rotates about the footrest 200 to be in a folded position when folded together with the footrest 200, the armrest 400 in the folded position being convenient for storage and transportation. Corresponding fixing structures 401 are arranged on the armrest 400 and the pedal 200 to fix the extending position of the armrest 400. The fixed structure 401 allows the aerial platform operator to grasp the arm rest 400 without the arm rest 400 wobbling.

In some embodiments of the invention, the fixing structure 401 is a third pin hole provided on the armrest 400 and the pedal 200, and a positioning pin can be inserted into the third pin hole when the armrest 400 is in the extended position to fix the armrest 400 in the extended position. The locating pin has simple and reliable structure and convenient operation.

In some embodiments of the present invention, an end of the armrest 400 away from the footrest 200 is hinged to an extension 410, the extension 410 is rotated around the armrest 400 to a position above the armrest 400 and perpendicular to the footrest 200, and the extension 410 and the armrest 400 are provided with corresponding second pin holes into which positioning pins can be inserted to fix the extension position of the extension 410. The extension 410 rotates about the armrest 400 to be in a folded position when folded with the armrest 400. The extension part 410 and the armrest 400 are provided with corresponding first pin holes, and positioning pins can be inserted into the first pin holes to fix the extension part 410 in the extended position. The extension 410 in the extended position facilitates grasping by an operator during work.

In other embodiments of the present invention, the extension 410 is embedded in the armrest 400 and can slide relative to the armrest 400, which also can be convenient for operation.

In some embodiments of the present invention, the step board 200 is provided with a position-limiting board 250 corresponding to the ladder 300, the position-limiting board 250 can assist in fixing the ladder 300 in the extended position, and when the ladder 300 rotates around the step board 200 to a position below the step board 200 and perpendicular to the step board 200, the step board 250 blocks the ladder from further rotation.

In some embodiments of the present invention, the width of the cubic frame 110 is smaller than the width of the footrests 200 so as to support the footrests 200, the width of the cubic frame 110 is suitable for the insertion of the limiting plates 250, after the footrests 200 are mounted on the transverse rails 111, the limiting plates 250 are inserted between the two transverse rails to achieve left and right limiting, and no significant left and right displacement occurs between the footrests 200 and the transverse rails 111.

In some embodiments of the present invention, the footrest 200 is hinged with a position-limiting clip 210, the position-limiting clip 210 is in an extended state when rotating around the footrest 200 to abut against the outer edge of the footrest 200, the position-limiting clip 210 is in the extended position and can block the transverse rail 111 to prevent the footrest 200 from moving up and down, the position-limiting clip 210 is in a folded state when rotating around the footrest 200 to abut against the top surface of the footrest 200, and the position-limiting clip 210 in the folded state fixes the ladder 300 and the handrail 400 in the folded position.

In some embodiments of the present invention, the position-limiting clip 210 and the foot pedal 200 are provided with corresponding second pin holes, and a positioning pin can be inserted into the second pin holes to fix the position-limiting clip 210 in the folded position, thereby fixing the ladder 300 in the folded position and the handle 400 in the folded position.

In some embodiments of the invention, the handrail 400 is provided with a first hanging lug 420, and the handrail 400 is hung on the longitudinal rail 112 through the first hanging lug 420 when the handrail 400 is located at the extension position. The first hanger 420 is used to limit the fore and aft movement of the armrest 400 when in the extended position. The stability of the armrest 400 is improved. The second hanging lug 220 is installed on the foot pedal 200 for hanging the foot pedal 200 on the longitudinal rail 112. The second hanging lug 220 is used for limiting the forward and backward movement of the footrest 200 when mounted on the main platform 100, and improving the stability of the footrest 200 during use.

In some embodiments of the present invention, the anti-slip protrusions 230 are provided on the foot pedal 200, and the anti-slip lines 310 are provided on the ladder 300. The operator is prevented from slipping down on the foot board 200 or the ladder 300, and safety is improved.

In some embodiments of the present invention, the handrail 400 is provided with a cross bar 430, and the cross bar 430 is parallel to the longitudinal rails 112, so as to improve the structural stability of the handrail 400 and facilitate the user's grip.

In some embodiments of the present invention, the bottom of the footrest 200 is provided with a cross member 240 to prevent the footrest from being bent during use, so as to improve the structural stability of the footrest 200.

The installation method comprises the following steps: the ladder 300, the handrail 400 and the extension part 410 move to the extension position, the handrail 400 and the extension part 410 are fixed by the positioning pins, the first hanging lug 420 and the second hanging lug 220 are hung on the longitudinal rail 112, then the limiting clamp 210 is rotated to the extension position and hooks the transverse rail 111 to prevent the pedal 200 from moving up and down, and an operator can climb up the pedal 200 through the ladder 300 and support the handrail 400 to work.

The disassembling method comprises the following steps: the position-limiting clamp 210 is rotated to a position away from the extending position, the first hanging lug 420 and the second hanging lug 220 are taken down from the longitudinal rail 112, the positioning pins on the handrail 400 and the extending part 410 are pulled out, the ladder 300, the handrail 400 and the extending part 410 are moved to the folding position, the position-limiting clamp 210 is rotated to the folding position and inserted into the positioning pins on the position-limiting clamp 210, and the position-limiting clamp 210 is fixed on the folding position, so that the ladder 300, the handrail 400 and the extending part 410 are fixed on the folding position.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A device of ascending a height for aerial work platform is last, its characterized in that includes:

the main platform (100) comprises a cubic frame (110) formed by a plurality of transverse railings (111), longitudinal railings (112) and vertical railings (113) in a surrounding mode, and a bottom plate (120) is fixedly connected to the bottom end of the cubic frame (110);

a footrest (200), said footrest (200) being removably mounted within said cube frame (110) and above said base plate (120);

a ladder (300), said ladder (300) being attached to one end of said foot pedal (200) for assisting an aerial platform operator in boarding said foot pedal (200);

an armrest (400), the armrest (400) being connected to an end of the footrest (200) distal from the ladder (300) for preventing an aerial work platform operator from falling.

2. An ascender device for an aerial work platform according to claim 1, wherein: the ladder (300) is provided with a folding position folded onto the pedal plate (200) and an extending position vertically hung on the pedal plate (200), and the ladder (300) is hinged at one end of the pedal plate (200) to realize the switching of the folding position and the extending position.

3. An ascender device for an aerial work platform according to claim 1, wherein: the armrest (400) is provided with an extending position convenient for an operator of the aerial work platform to grasp and a folding position overlapped with the pedal plate (200), the armrest (400) is hinged to one end of the pedal plate (200) far away from the ladder (300) to realize the switching between the folding position and the extending position, and fixing structures (401) are arranged on the armrest (400) and the pedal plate (200) and used for fixing the armrest (400) in the extending position.

4. An ascender device for an aerial work platform according to claim 3, wherein: the fixing structure (401) is a third pin hole arranged on the armrest (400) and the pedal (200) and corresponding to the third pin hole, and a positioning pin can be inserted into the third pin hole to fix the armrest (400) in the extended position.

5. An ascender device for an aerial work platform according to claim 1, wherein: an extending part (410) is movably connected to one end, far away from the pedal (200), of the armrest (400), the extending part (410) is provided with an extending position and a folding position, the extending position is used for extending the length of the armrest (400), the folding position is folded in the armrest (400), the extending part (410) can be switched between the extending position and the folding position, corresponding first pin holes are formed in the extending part (410) and the armrest (400), and positioning pins can be inserted into the first pin holes to fix the extending part (410) located at the extending position.

6. An ascender device for an aerial work platform according to claim 1, wherein: a limiting plate (250) is arranged on the pedal (200), and the limiting plate (250) can limit the rotating angle of the ladder (300).

7. An ascender device for an aerial work platform according to claim 6, wherein: the width of the cubic frame (110) is smaller than that of the footboard (200) so as to support the footboard (200), and the width of the cubic frame (110) matches the length of the limiting plate (250) so as to limit the left and right movement of the footboard (200).

8. An ascender device for an aerial work platform according to claim 1, wherein: the pedal plate (200) is hinged with a limiting clamp (210), the limiting clamp (210) is provided with an extending position and a folding position, the limiting clamp (210) is hinged to realize switching between the extending position and the folding position, the limiting clamp (210) can be hooked on the cubic frame (110) when located at the extending position to limit up and down movement of the pedal plate (200), and the limiting clamp (210) can be used for fixing the ladder (300) located at the folding position and the handrail (400) located at the folding position when located at the folding position.

9. An ascender device for an aerial work platform according to claim 8, wherein: the limiting clamp (210) and the pedal plate (200) are provided with corresponding second pin holes, and positioning pins can be inserted into the second pin holes to fix the limiting clamp (210) at the folding position.

10. An ascender device for an aerial work platform according to claim 1, wherein: the handrail (400) is provided with a first hanging lug (420) for hanging the handrail (400) on the longitudinal railing (112), and the pedal plate (200) is provided with a second hanging lug (220) for hanging the pedal plate (200) on the longitudinal railing (112).