CN114394560A

CN114394560A - Movable counterweight system for suspension lifting platform

Info

Publication number: CN114394560A
Application number: CN202210033439.9A
Authority: CN
Inventors: 周治汉; 黄志邦; 姜京旼; 吴启锋
Original assignee: Associated Engineers Zhuhai Sez Ltd
Current assignee: Associated Engineers Zhuhai Sez Ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-04-26

Abstract

The invention aims to provide a movable counterweight system facing a suspension lifting platform, which has a compact structure and stable operation and can effectively prolong the service life. The movable counterweight component comprises a first counterweight block and a second counterweight block, the first counterweight block, the second counterweight block and the lifting platform are connected with the pulley components, the lifting platform can do reciprocating motion transversely along the bridge frame body, and the first counterweight block and the second counterweight block are always opposite to the movement direction of the lifting platform. The invention is applied to the technical field of airport maintenance platform structures.

Description

Movable counterweight system for suspension lifting platform

Technical Field

The invention relates to the technical field of airport maintenance platform structures, in particular to a movable counterweight system for a suspended lifting platform.

Background

With the rapid development of the domestic aviation industry, the equipment requirements in the field of aviation maintenance are increasing day by day. The suspension lifting platform is one of the latest aircraft maintenance platforms in the industry, and the market at home and abroad is gradually expanded. However, due to the high technology content of the equipment, the design and manufacturing requirements are more demanding, and there are fewer companies capable of designing and producing the equipment globally, so the design improvement and optimization for the equipment is slower. Wherein, the structure and the design characteristic of this equipment, the acceleration that produces when 360 degrees rotations of lift platform and walking around, it is inhomogeneous to lead to four wheel loads of lift platform easily to can influence the atress distribution to the structure of steel construction and flying piece etc. lead to the wheel load distribution of crane span structure walking wheel, have a walking wheel to knock off even, bring huge risk to this structure. The motion freedom of the lifting platform has more reasons, and the wheel load uneven modes on each posture and position are different, so that the problem of wheel load unevenness is a breakthrough point in the industry.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a movable counterweight system for a suspended lifting platform, which has a compact structure and stable operation and can effectively prolong the service life.

The technical scheme adopted by the invention is as follows: the movable counterweight component comprises a first counterweight block and a second counterweight block, the first counterweight block, the second counterweight block and the lifting platform are connected with the pulley components, the lifting platform can do reciprocating motion transversely along the bridge frame body, and the first counterweight block and the second counterweight block are always opposite to the moving direction of the lifting platform.

Furthermore, a plurality of third balancing weights are arranged on the cross beam of the bridge frame body and are uniformly distributed.

Further, pulley assembly is including locating first pulley on crane span structure body one end and locating second pulley on the crane span structure body other end, first pulley with the second pulley pass through the steel wire with lift platform, first balancing weight with the second balancing weight is connected.

Furthermore, a plurality of reinforcing beams are arranged on the bridge body and are longitudinally distributed along the bridge body.

Furthermore, the bridge body is provided with a limiting block matched with the lifting platform.

Further, be equipped with coupling assembling on the steel wire, coupling assembling includes that sliding seat, two normal running fit are in sliding wheel on the sliding seat and with the connecting piece that the steel wire is connected, the sliding seat corresponds to be connected first balancing weight or the second balancing weight, sliding wheel sliding fit is in on the crane span structure body.

The invention has the following beneficial effects:

the movable counterweight system facing the suspended lifting platform comprises a bridge body, pulley assemblies, a movable counterweight assembly and a lifting platform, wherein the pulley assemblies are arranged on the bridge body, the movable counterweight assembly and the lifting platform are respectively arranged on two opposite sides of the bridge body, the lifting platform is in sliding fit on the bridge body, the movable counterweight assembly comprises a first counterweight block and a second counterweight block, the first counterweight block, the second counterweight block and the lifting platform are connected with the pulley assemblies, the lifting platform can transversely reciprocate along the bridge body, the first counterweight block and the second counterweight block are always opposite to the movement direction of the lifting platform, so that the first counterweight block and the second counterweight block are driven when the lifting platform moves, the gravity center of the lifting platform is stable, the device is stable in operation, and the invention can correspond to uneven distribution of different wheel-mounted gravity caused by all postures and positions, thereby being beneficial to improving the reliability of the whole system.

Drawings

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

FIG. 2 is a schematic view of another embodiment of the present invention;

fig. 3 is a schematic structural view of the connecting assembly.

Detailed Description

As shown in fig. 1 to 3, in this embodiment, the present invention includes a bridge body 1, pulley assemblies, a movable counterweight assembly, and a lifting platform 2, where the pulley assemblies are disposed on the bridge body 1, the movable counterweight assembly and the lifting platform 2 are respectively disposed on two opposite sides of the bridge body 1, the lifting platform 2 is slidably fitted on the bridge body 1, the movable counterweight assembly includes a first counterweight 9 and a second counterweight 3, the first counterweight 9, the second counterweight 3, and the lifting platform 2 are all connected to the pulley assemblies, the lifting platform 2 can perform a transverse reciprocating motion along the bridge body 1, and the first counterweight 9 and the second counterweight 3 are always opposite to the moving direction of the lifting platform 2.

According to the scheme, according to the left-right movement of the lifting platform 2, the first balancing weight 9 and the second balancing weight 3 move in opposite directions to the lifting platform 2, when the lifting platform 2 is positioned on the left side, the two groups of balancing weights are positioned on the right side and the middle of the bridge, and when the lifting platform 2 is positioned on the right side, the two groups of balancing weights are positioned on the left side and the middle of the bridge; the invention is presented by a synchronous pulley system, the moving direction of the balancing weight is set to be opposite to the walking direction of the lifting platform 2, and the design of automatic balancing weight and uniform stress distribution adjustment is presented by a mechanical mode.

One preferable scheme is that as shown in fig. 1 and fig. 2, a plurality of third balancing weights 4 are arranged on a cross beam of the bridge body 1, and the plurality of third balancing weights 4 are uniformly distributed; the pulley assembly comprises a first pulley 5 arranged at one end of the bridge frame body 1 and a second pulley 6 arranged at the other end of the bridge frame body 1, and the first pulley 5 and the second pulley 6 are connected with the lifting platform 2, the first balancing weight 9 and the second balancing weight 3 through steel wires 7; the bridge frame body 1 is provided with a plurality of reinforcing beams 8, and the reinforcing beams 8 are longitudinally distributed along the bridge frame body 1; and the bridge frame body 1 is provided with a limiting block matched with the lifting platform 2.

According to the scheme, the arrangement of the reinforcing beam 8 increases the stability of the equipment in operation; the setting of stopper can effectively guarantee the precision when lift platform 2 shifts to the limiting position.

One preferred scheme is that a connecting assembly is arranged on the steel wire 7, the connecting assembly comprises a movable seat 10, two sliding wheels 11 which are rotatably matched on the movable seat 10, and a connecting piece 12 connected with the steel wire 7, the movable seat 10 is correspondingly connected with the first balancing weight 3 or the second balancing weight 9, the sliding wheels 11 are slidably matched on the bridge body 1, specifically, the connecting assembly is connected to both ends of the balancing weight, and the balancing weight slides on the bridge body 1 through the sliding wheels 11 on the connecting assembly at both ends when moving, so that the movement of the balancing weight is more stable; the movable seat 10 is of an imitated triangular structure, and the number of the sliding wheels 11 on one movable seat 10 is two, so that the movable seat is more smooth and stable in movement.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.

Claims

1. The utility model provides a portable counter weight system towards hanging lift platform which characterized in that: it includes crane span structure body (1), loose pulley assembly, activity counter weight subassembly and lift platform (2), loose pulley assembly locates on the crane span structure body (1), activity counter weight subassembly with lift platform (2) are located respectively on the relative both sides of crane span structure body (1), lift platform (2) sliding fit is in on the crane span structure body (1), activity counter weight subassembly includes first balancing weight (9) and second balancing weight (3), first balancing weight (9), second balancing weight (3) with lift platform (2) all with loose pulley assembly connects, lift platform (2) can be followed horizontal reciprocating motion is made to crane span structure body (1), first balancing weight (9), second balancing weight (3) all the time with the motion direction of lift platform (2) is opposite.

2. A mobile counterweight system for a suspended lift platform as defined in claim 1, wherein: the bridge frame is characterized in that a plurality of third balancing weights (4) are arranged on a cross beam of the bridge frame body (1), and the third balancing weights (4) are uniformly distributed.

3. A mobile counterweight system for a suspended lift platform as defined in claim 1, wherein: pulley assembly is including locating first pulley (5) on crane span structure body (1) one end and locating second pulley (6) on crane span structure body (1) the other end, first pulley (5) with second pulley (6) pass through steel wire (7) with lift platform (2) first balancing weight (9) with second balancing weight (3) are connected.

4. A mobile counterweight system for a suspended lift platform as defined in claim 1, wherein: the bridge frame is characterized in that a plurality of reinforcing beams (8) are arranged on the bridge frame body (1), and the reinforcing beams (8) are longitudinally distributed along the bridge frame body (1).

5. A mobile counterweight system for a suspended lift platform as defined in claim 1, wherein: the bridge frame body (1) is provided with a limiting block matched with the lifting platform (2).

6. A mobile counterweight system for a suspended lift platform as recited in claim 3, wherein: be equipped with coupling assembling on steel wire (7), coupling assembling includes that sliding seat (10), two normal running fit are in sliding wheel (11) on sliding seat (10) and with connecting piece (12) that steel wire (7) are connected, sliding seat (10) correspond and are connected first balancing weight (3) or second balancing weight (9), sliding wheel (11) sliding fit is in on crane span structure body (1).