CN211496768U

CN211496768U - Top limiting mechanism of lifter

Info

Publication number: CN211496768U
Application number: CN201922251290.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Pinghu Haigete Automation Co ltd
Current assignee: Pinghu Haigete Automation Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-15
Anticipated expiration: 2029-12-16

Abstract

The top limiting mechanism of the lifter comprises a scissor structure and a lifting plate, and the end part of the scissor structure is connected with the lifting plate; the scissor fork structure comprises a first supporting leg and a second supporting leg which are rotatably connected, the end part of the first supporting leg is slidably connected with the lifting plate, and the end part of the second supporting leg is rotatably connected with the bottom support plate; the two sides of the first support leg are provided with idler wheels, the inner side of the lifting plate is provided with a limiting bracket matched with the idler wheels, the limiting bracket is provided with a limiting strip, and the idler wheels are clamped between the limiting bracket and the limiting strip; compared with the prior art, through the setting of spacing support for after first landing leg removes a certain position, the removal of the first landing leg of restriction under the effect of spacing support, and the setting of spacing, make the gyro wheel of first landing leg receive the centre gripping of spacing and spacing support all the time at the roll in-process, thereby have better stability, the setting of connecting plate simultaneously makes and has better stability between the spacing support of relative setting, and the stress intensity is big.

Description

Top limiting mechanism of lifter

Technical Field

The utility model belongs to the technical field of the riser, especially, relate to a top stop gear of riser.

Background

The electric lifter is a multifunctional hoisting, loading and unloading mechanical equipment and an electric lifting platform lifting system. The lifting platform is of a scissor mechanical structure, so that the lifting platform has higher stability, a wide operation platform and higher bearing capacity, the high-altitude operation range is larger, and the lifting platform is suitable for simultaneous operation of multiple persons. It makes high altitude construction efficiency higher, and the safety is more ensured. The lift platform is classified in a generalized way: fixed and mobile. The fixed type is as follows: scissor lift platforms, chain lifts, loading and unloading platforms, and the like. The mobile type is divided into: hydraulic lift, hydraulic lifting platform, four-wheel mobile lifting platform, two-wheel traction type lifting platform, automobile modified lifting platform, hand-push type lifting platform, hand-operated type lifting platform, AC/DC dual-purpose lifting platform, storage battery vehicular lifting platform, self-propelled lifting platform, diesel engine crank arm self-propelled lifting platform, folding arm type lifting platform, telescopic cylinder type lifting platform and aluminum alloy lifting platform, and the lifting height is from 1 meter to 30 meters.

The top of the scissor structure is provided with the lifting plate, and in the lifting process of the lifter, because the lifter needs to bear heavier materials, the lifter is provided with rated maximum height, the maximum rated height for limiting the scissor structure angle to realize the lifter is usually arranged between the scissor structures, and the mode of the limiting part is arranged between the scissor structures, so that the supporting force angle cannot meet the safety performance of the lifting plate when bearing the weighing materials.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, safe and reliable receives the big top stop gear of gravity.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the top limiting mechanism of the lifter comprises a scissor structure and a lifting plate, and the end part of the scissor structure is connected with the lifting plate; the scissor fork structure comprises a first supporting leg and a second supporting leg which are rotatably connected, the end part of the first supporting leg is slidably connected with the lifting plate, and the end part of the second supporting leg is rotatably connected with the bottom support plate; the two sides of the first support leg are provided with idler wheels, the inner side of the lifting plate is provided with a limiting support matched with the idler wheels, the limiting support is provided with limiting strips, and the idler wheels are clamped between the limiting support and the limiting strips.

As an optimized scheme of the utility model, the lifter plate is frame type structure, and spacing support is located the both sides of lifter plate inboard, and the spacing support of both sides sets up relatively.

As the utility model discloses a preferred scheme, spacing support is U type structure, including top limiting plate, middle part limiting plate and the bottom limiting plate that is connected, the middle part limiting plate links to each other with the lifter plate inner wall, and top limiting plate and bottom limiting plate are located the upper and lower both sides of middle part limiting plate.

As a preferred scheme of the utility model, top limiting plate and bottom limiting plate level set up, top limiting plate and lifter plate top parallel and level, bottom limiting plate and lifter plate bottom parallel and level.

As the utility model discloses an optimal scheme, spacing fixed connection is on the bottom limiting plate, and forms the clearance between spacing and the middle part limiting plate, spacing and middle part limiting plate parallel arrangement.

As a preferred scheme of the utility model, the gyro wheel is located between spacing and the middle part limiting plate, and the width of gyro wheel is unanimous with the clearance between spacing and the middle part limiting plate.

As the utility model discloses an optimal scheme, be equipped with spacing piece between top limiting plate and the bottom limiting plate, spacing piece and middle part limiting plate parallel arrangement, spacing side offsets with spacing piece.

As an optimized scheme of the utility model, top limiting plate, middle part limiting plate, bottom limiting plate and spacing are integrated into one piece.

As an optimal scheme of the utility model, set up relatively be equipped with the connecting plate between the spacing support, the connecting plate is located spacing support below.

As a preferred scheme of the utility model, the connecting plate links to each other with middle part limiting plate and bottom limiting plate simultaneously, and the connecting plate links to each other with spacing support.

The beneficial effects of the utility model are that, compare with prior art: through the setting of spacing support for first landing leg removes a certain position after, restricts the removal of first landing leg under spacing support's effect, and the setting of spacing, makes the gyro wheel of first landing leg receive the centre gripping of spacing and spacing support all the time at the roll in-process, thereby has better stability, and the setting of connecting plate makes and has better stability between the spacing support of relative setting simultaneously, and the atress intensity is big.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the construction of the lifter plate;

FIG. 3 is a top view of the lifter plate;

FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 3;

FIG. 5 is a schematic structural view of a spacing bracket;

FIG. 6 is a front view of the spacing bracket;

reference numbers in the figures: the device comprises a lifting plate 1, a scissor fork structure 2, a first supporting leg 2-1, a second supporting leg 2-2, a roller 2-3, a limiting support 3, a top limiting plate 3-1, a middle limiting plate 3-2, a bottom limiting plate 3-3, a limiting piece 3-4, a connecting plate 4 and a limiting strip 5.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1-6, the top limiting mechanism of the lifter comprises a scissor structure 2 and a lifting plate 1, wherein the end of the scissor structure 2 is connected with the lifting plate 1; the scissor structure 2 comprises a first supporting leg 2-1 and a second supporting leg 2-2 which are rotatably connected, the end part of the first supporting leg 2-1 is slidably connected with the lifting plate 1, and the end part of the second supporting leg 2-2 is rotatably connected with the bottom support plate 1; the two sides of the first supporting leg 2-1 are provided with idler wheels 2-3, the inner side of the lifting plate 1 is provided with a limiting bracket 3 matched with the idler wheels 2-3, a limiting strip 5 is arranged on the limiting bracket 3, and the idler wheels 2-3 are clamped between the limiting bracket 3 and the limiting strip 5.

The first supporting leg 2-1 and the second supporting leg 2-2 are arranged in a crossed mode, the middle portions of the first supporting leg 2-1 and the second supporting leg 2-2 are connected in a rotating mode, the position of the first supporting leg 2-1 is adjusted through sliding of the end portion of the first supporting leg 2-1 on the lifting plate 1, therefore, lifting of the lifter is achieved, when the roller 2-3 moves to a certain position, the limiting support 3 abuts against the roller 2-3, limiting of the roller 2-3 is achieved, and the highest position which can be lifted by the lifter is achieved at the moment.

The lifting plate 1 is of a frame-shaped structure, the limiting supports 3 are located on the inner sides of the two sides of the lifting plate 1, the limiting supports 3 on the two sides are arranged oppositely, the limiting supports 3 are of a U-shaped structure and comprise a top limiting plate 3-1, a middle limiting plate 3-2 and a bottom limiting plate 3-3 which are connected, the middle limiting plate 3-2 is connected with the inner wall of the lifting plate 1, the top limiting plate 3-1 and the bottom limiting plate 3-3 are located on the upper side and the lower side of the middle limiting plate 3-2, the middle limiting plate 3-2 is attached to the inner wall of the lifting plate 1, the middle limiting plate 3-2 is fixedly connected with the lifting plate 1 through bolts, and the bolts do not extend out of the surface.

The top limiting plate 3-1 and the bottom limiting plate 3-3 are horizontally arranged, the top limiting plate 3-1 is flush with the top of the lifting plate 1, the bottom limiting plate 3-3 is flush with the bottom of the lifting plate 1, the distance between the bottom limiting plate 3-3 and the top limiting plate 3-1 is designed according to the size of the roller 2-3, when the roller 2-3 rolls, the outer ring of the roller 2-3 is simultaneously abutted against the bottom limiting plate 3-3 and the top limiting plate 3-1, and one side of the roller 2-3 is simultaneously abutted against the middle limiting plate 3-2.

The limiting strip 5 is fixedly connected to the bottom limiting plate 3-3, a gap is formed between the limiting strip 5 and the middle limiting plate 3-2, the limiting strip 5 and the middle limiting plate 3-2 are arranged in parallel, the limiting strip 5 and the bottom limiting plate 3-3 are fixedly connected through bolts, the roller 2-3 is located between the limiting strip 5 and the middle limiting plate 3-2, the width of the roller 2-3 is consistent with the gap between the limiting strip 5 and the middle limiting plate 3-2, and the two sides of the roller 2-3 are abutted against the limiting strip 5 and the middle limiting plate 3-2, so that the roller 2-3 has better stability in the rolling process.

A limiting piece 3-4 is arranged between the top limiting plate 3-1 and the bottom limiting plate 3-3, the limiting piece 3-4 is arranged in parallel with the middle limiting plate 3-2, the side edge of the limiting strip 5 abuts against the limiting piece 3-4, the limiting piece 3-4 is of an arc-shaped structure, and when the first supporting leg 2-1 moves to a certain position, the first supporting leg 2-1 abuts against the limiting piece 3-4, so that the limiting of the first supporting leg 2-1 is realized.

The top limiting plate 3-1, the middle limiting plate 3-2, the bottom limiting plate 3-3 and the limiting strip 5 are integrally formed, so that the limiting support 3 has better strength.

The connecting plate 4 is arranged between the limiting supports 3 which are oppositely arranged, the connecting plate 4 is located below the limiting supports 3, the connecting plate 4 is connected with the middle limiting plates 3-2 and the bottom limiting plates 3-3 at the same time, the connecting plate 4 is connected with the limiting supports 3, the connecting plate 4 is of a U-shaped structure, the bottom of the connecting plate 4 is connected with the bottom limiting plates 3-3 at the two sides at the same time, the connecting plate 4 is fixedly connected with the bottom limiting plates 3-3 through bolts, the two sides of the connecting plate 4 are also connected with the middle limiting plates 3-2 at the two sides at the same time, the middle limiting plates 3-2 are connected with the connecting plate 4 through bolts, the side edge of the connecting plate 4 is located between the lifting plate 1 and the middle limiting plates 3-2, and the connecting plate 4 is locked.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the lifting plate 1, the scissor structure 2, the first support leg 2-1, the second support leg 2-2, the roller 2-3, the limiting bracket 3, the top limiting plate 3-1, the middle limiting plate 3-2, the bottom limiting plate 3-3, the limiting sheet 3-4, the connecting plate 4, the limiting strip 5 and other terms, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The top limiting mechanism of the lifter comprises a scissor structure (2) and a lifting plate (1), wherein the end part of the scissor structure (2) is connected with the lifting plate (1); the scissors fork structure (2) comprises a first supporting leg (2-1) and a second supporting leg (2-2) which are rotatably connected, the end part of the first supporting leg (2-1) is slidably connected with the lifting plate (1), and the end part of the second supporting leg (2-2) is rotatably connected with the lifting plate (1); the two sides of the first supporting leg (2-1) are provided with idler wheels (2-3), the inner side of the lifting plate (1) is provided with a limiting support (3) matched with the idler wheels (2-3), a limiting strip (5) is arranged on the limiting support (3), and the idler wheels (2-3) are clamped between the limiting support (3) and the limiting strip (5).

2. The top limit mechanism of the lifter according to claim 1, wherein the lifting plate (1) is a frame-shaped structure, the limit brackets (3) are positioned at the inner sides of two sides of the lifting plate (1), and the limit brackets (3) at the two sides are oppositely arranged.

3. The top limit mechanism of the lifter according to claim 1, wherein the limit bracket (3) is of a U-shaped structure and comprises a top limit plate (3-1), a middle limit plate (3-2) and a bottom limit plate (3-3) which are connected, the middle limit plate (3-2) is connected with the inner wall of the lifter plate (1), and the top limit plate (3-1) and the bottom limit plate (3-3) are positioned at the upper side and the lower side of the middle limit plate (3-2).

4. The top limit mechanism of an elevator according to claim 3, wherein the top limit plate (3-1) and the bottom limit plate (3-3) are horizontally disposed, the top limit plate (3-1) is flush with the top of the elevator plate (1), and the bottom limit plate (3-3) is flush with the bottom of the elevator plate (1).

5. The top limit mechanism of the lifter according to claim 4, wherein the limit strip (5) is fixedly connected to the bottom limit plate (3-3), a gap is formed between the limit strip (5) and the middle limit plate (3-2), and the limit strip (5) and the middle limit plate (3-2) are arranged in parallel.

6. Top stop mechanism according to claim 5, characterized in that the rollers (2-3) are located between the stop bar (5) and the middle stop plate (3-2) and the width of the rollers (2-3) is the same as the gap between the stop bar (5) and the middle stop plate (3-2).

7. The top limit mechanism of the lifter according to claim 3, wherein a limit piece (3-4) is arranged between the top limit plate (3-1) and the bottom limit plate (3-3), the limit piece (3-4) is arranged in parallel with the middle limit plate (3-2), and the side edge of the limit strip (5) is abutted against the limit piece (3-4).

8. The top limit mechanism of the lifter according to claim 7, wherein the top limit plate (3-1), the middle limit plate (3-2), the bottom limit plate (3-3) and the limit strip (5) are integrally formed.

9. A top stop mechanism for a lifter according to claim 2, wherein a connecting plate (4) is provided between the stop brackets (3) which are oppositely arranged, and the connecting plate (4) is located below the stop brackets (3).

10. The top stop mechanism of a lifter according to claim 9, wherein the connecting plate (4) is connected to both the middle stop plate (3-2) and the bottom stop plate (3-3), and the connecting plate (4) is connected to the stop bracket (3).