CN116143044A

CN116143044A - Guardrail assembly, operation platform and tower crane

Info

Publication number: CN116143044A
Application number: CN202310174679.5A
Authority: CN
Inventors: 刘成; 李鹏展; 孙帅更
Original assignee: Hunan Sany Tower Lifting Machinery Co Ltd
Current assignee: Hunan Sany Tower Lifting Machinery Co Ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-05-23

Abstract

The application provides a guardrail assembly, an operation platform and a tower crane, wherein the guardrail assembly comprises a fixed seat and a first guardrail unit, the first guardrail unit is provided with a connecting part, and the first guardrail unit is in sliding connection with the fixed seat through the connecting part; when the connecting part moves to the unlocking position, the first guardrail unit has M degrees of freedom, the first guardrail unit can rotate around the connecting part relative to the fixing seat, and when the connecting part moves to the locking position, the first guardrail unit has N degrees of freedom and is limited by the fixing seat; m and N are positive integers, and M is greater than N. So set up, first guardrail unit remains to be connected with the fixing base throughout, makes the connecting portion be in the different positions on the fixing base through controlling first guardrail unit, makes first guardrail unit be in different states, need not demolish alright reach the purpose of being convenient for transport, and the installation convenience also obtains improving, has solved the guardrail of operation platform among the prior art and has dismantled and assembled the problem repeatedly.

Description

Guardrail assembly, operation platform and tower crane

Technical Field

The application relates to the technical field of engineering machinery, in particular to a guardrail assembly, an operation platform and a tower crane.

Background

The tower crane, also called tower crane, is a common equipment in engineering operation, because the tower crane is in the state of high altitude construction often, in order to ensure high altitude construction safety, need set up the guardrail on the platform of tower crane. In the prior art, the guardrail is always designed to be in a state of being fixedly installed on the platform, when the tower crane needs to be dismantled and transported, the guardrail needs to be dismantled frequently in order to save space, and the guardrail is reinstalled when being reused, so that the operation efficiency is influenced.

Disclosure of Invention

In view of this, this application provides a guardrail subassembly, operation platform and tower machine to solve the guardrail of operation platform among the prior art and dismantle the problem repeatedly.

In order to achieve the above purpose, the present application provides the following technical solutions:

a guardrail assembly comprising:

a fixing seat;

the first guardrail unit comprises a connecting part, and is in sliding connection with the fixing seat through the connecting part;

when the connecting part moves to the unlocking position, the first guardrail unit has M degrees of freedom, the first guardrail unit can rotate around the connecting part relative to the fixing seat, and when the connecting part moves to the locking position, the first guardrail unit has N degrees of freedom and is limited by the fixing seat; m and N are positive integers, and M is greater than N.

Optionally, the fixing base includes a side plate and a bottom plate fixedly connected with the side plate, and the connecting part is slidably connected with the side plate; wherein,,

when the connecting part is positioned at the unlocking position, the first guardrail unit can rotate to be laid down and raised by taking the connecting part as an axis;

when the connecting part is in the locking position, the bottom end face of the first guardrail unit is abutted with the bottom plate, so that the first guardrail unit has the unique degree of freedom of sliding along the side plate.

Optionally, be equipped with the guide way on the curb plate, connecting portion is followed the guide way removes, the guide way is including all following the first district and the second district that the direction of height of fixing base extends, the second district with first district intercommunication and dislocation set, connecting portion are located in the first district the unblock position, connecting portion are located when the second district is kept away from the one end in first district is in the locking position.

Optionally, when the connecting portion moves to an end of the second region near the first region, a gap is formed between the bottom end surface of the first guardrail unit and the bottom plate, so as to allow the connecting portion to translate to the first region and prevent the first guardrail unit from rotating.

Optionally, the height of the first region in the extending direction is at least two times greater than the thickness of the first barrier unit.

Optionally, the guide slot further comprises a third region communicating with an end of the first region remote from the second region and extending in a direction towards the structure.

Optionally, a limiting block is arranged on the bottom plate, and when the connecting part is located at the locking position, the limiting block is located at a position close to the first guardrail unit.

The operation platform comprises the guardrail assemblies in any one of the above steps, wherein the guardrail assemblies are distributed at the edge of the platform, and the fixing seat is fixedly connected at the edge of the platform.

Optionally, the edge of platform is equipped with the bounding wall that exceeds the platform, it has additional guardrail unit to articulate on the inner wall of bounding wall, the fixing base rigid coupling is in on the outer wall of bounding wall, additional guardrail unit with first guardrail unit is located respectively the opposite both sides or the adjacent both sides of platform, just additional guardrail unit is connected with adjacent second guardrail unit.

A tower crane comprising the work platform of any one of the above.

The guardrail assembly comprises a fixed seat and a first guardrail unit, wherein the first guardrail unit is provided with a connecting part, and the first guardrail unit is in sliding connection with the fixed seat through the connecting part; when the connecting part moves to the unlocking position, the first guardrail unit has M degrees of freedom, the first guardrail unit can rotate around the connecting part relative to the fixing seat, and when the connecting part moves to the locking position, the first guardrail unit has N degrees of freedom and is limited by the fixing seat; m and N are positive integers, and M is greater than N. So set up, first guardrail unit remains to be connected with the fixing base throughout, make connecting portion be in the different positions on the fixing base through controlling first guardrail unit, make first guardrail unit be in different states, if install the fixing base of this guardrail subassembly to the platform on, first guardrail unit has low degree of freedom when connecting portion are in the locked position, first guardrail unit is when not receiving external force, because it is spacing and keep the fixed in position by the fixing base, first guardrail unit plays the enclosing effect, when connecting portion are in the unblock position, the high degree of freedom that first guardrail unit had can make its free rotation, can overturn to the position that does not occupy too much space, the purpose of being convenient for transport can be reached without demolishing, the installation convenience also obtains improving, the problem of operation platform's guardrail dismouting repeatedly among the prior art has been solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a relationship between a guardrail assembly and a platform when a first guardrail unit provided in an embodiment of the present application is in a locked state;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1;

FIG. 3 is a schematic diagram of the structure at B in FIG. 1;

fig. 4 is a schematic diagram of a position relationship between a guardrail assembly and a platform when a first guardrail unit provided in an embodiment of the present application is in an unlocked state;

FIG. 5 is a schematic view of the structure at C in FIG. 4;

fig. 6 is a schematic diagram of the positional relationship between the guardrail assembly and the platform when the second guardrail unit provided in the embodiment of the present application is lowered.

In fig. 1-6:

1. a first guardrail unit; 2. a second guardrail unit; 3. a fixing seat; 4. a collar; 5. a limit structure; 6. a platform; 7. an additional guardrail unit; 8. coaming plate;

101. a connection part;

301. a side plate; 302. a bottom plate; 303. a guide groove;

3031. a first zone; 3032. a second zone; 3033. and a third zone.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

As shown in fig. 1-6, the embodiment of the present application provides a guardrail assembly, which comprises a fixing base 3 and a first guardrail unit 1, wherein the fixing base 3 is used for connecting with a structure; the first guardrail unit 1 is provided with a connecting part 101, and the first guardrail unit 1 is in sliding connection with the fixed seat 3 through the connecting part 101; when the connecting part 101 moves to the unlocking position, the first guardrail unit 1 has M degrees of freedom, the first guardrail unit 1 can rotate around the connecting part 101 relative to the fixed seat 3, and when the connecting part 101 moves to the locking position, the first guardrail unit 1 has N degrees of freedom, and the first guardrail unit 1 is limited by the fixed seat 3; m and N are positive integers, and M is greater than N. It should be noted that, the N degrees of freedom ensure that the first guardrail unit 1 can move to the unlocked position of the connection portion 101 when operated by an external force; the M degrees of freedom at least ensure that the first barrier unit 1 can rotate and move.

So set up, first guardrail unit 1 remains to be connected with fixing base 3 throughout, make connecting portion 101 be in the different positions on fixing base 3 through controlling first guardrail unit 1, make first guardrail unit 1 be in different states, if install the fixing base 3 of this guardrail subassembly to platform 6, when connecting portion 101 are in the locked position, first guardrail unit 1 has low degree of freedom, first guardrail unit 1 is when not receiving external force, because of being spacing and keeping the fixed position by fixing base 3, first guardrail unit 1 plays the retaining effect, when connecting portion 101 are in the unblock position, the high degree of freedom that first guardrail unit 1 had can make it free rotation, can overturn to the position that does not occupy too much space, the purpose of being convenient for transport can be reached without demolishing, the installation convenience also obtains improving, the guardrail of working platform in the prior art is dismantled and assembled repeatedly the problem.

In a specific embodiment, the fixing base 3 includes a side plate 301 and a bottom plate 302 vertically fixed below the side plate 301, the connecting portion 101 is a pin body and is slidably connected with the side plate 301, and when the fixing base 3 is fixedly connected with a structure, the side plate 301 is higher than the structure; wherein N is optionally set to 1, the unlocking position is higher than the locking position, that is, when the connecting portion 101 is in the unlocking position, the first guardrail unit 1 has only the degree of freedom of upward movement, and when the connecting portion 101 is in the locking position, the bottom end surface of the first guardrail unit 1 abuts against the bottom plate 302, so that the first guardrail unit 1 has the only degree of freedom of sliding along the side plate, that is, the first guardrail unit 1 stands up and cannot rotate; when the connecting portion 101 is in the unlocking position, the bottom end face of the first guardrail unit 1 is far away from the fixing base 3, and the first guardrail unit 1 can rotate to be laid down and raised by taking the connecting portion 101 as an axis. Preferably, two side plates 301 are provided, and the bottom plate 302 is connected between the two side plates 301, i.e. the fixing seat 3 has a U shape, and a portion of the first guardrail unit 1 near the bottom end is located between the two side plates 301.

So set up, the fixed bottom plate 302 is to the position limitation of the bottom terminal surface of first guardrail unit 1, the only degree of freedom that upwards moves that cooperation first guardrail unit 1 only had, make first guardrail unit 1 can realize the auto-lock through self gravity, first guardrail unit 1 can not receive the interference when falling down with standing up between rotating, smooth and easy conversion, fixing base 3 simple structure just with connecting portion 101 cooperation mode is simple, utilize simple structural design can realize the nimble adjustment of first guardrail unit 1 state, need not utilize extra fastener secondary installation processing, the potential safety hazard of having avoided installing the guardrail and bringing on the platform 6 that is in the high altitude. Of course, when the first guardrail unit 1 is rod-shaped, the fixing base 3 may be provided as one elongated bottom plate 302 with a plurality of side plates 301, in addition to the plurality of fixing bases 3 of the above-described configuration.

It should be noted that, the first guardrail unit 1 may be rod-shaped or plate-shaped, and when the first guardrail unit 1 is rod-shaped, the plurality of first guardrail units 1 are connected to each other to form a frame structure, and are simultaneously laid down and raised. Furthermore, the guardrail assembly can be arranged on the platform 6 to serve as a guardrail and also can serve as a partition of a partition area.

In a more specific embodiment, the side plate 301 is provided with a guide groove 303, the width of the guide groove 303 is matched with the diameter of the connecting portion 101, the connecting portion 101 moves along the guide groove 303, the guide groove 303 comprises a first region 3031 and a second region 3032 which extend along the height direction of the fixing seat 3 and are in strip shapes, the first region 3031 is higher than the second region 3032, the extending directions of the first region and the second region are perpendicular to the bottom plate 302, the second region 3032 and the first region 3031 are communicated at the end parts and are arranged in a staggered mode, namely, the upper end of the second region 3032 is communicated with the lower end of the first region 3031 and is arranged in a staggered mode, any part of the connecting portion 101 in the first region 3031 is located at an unlocking position, and the connecting portion 101 is located at a locking position when the second region 3032 is far away from one end of the first region 3031. It should be noted that, the distance from the bottom plate 302 to the lower end of the second region 3032 is equal to the length of the portion of the first guardrail unit 1 below the connection portion 101, so as to ensure that the first guardrail unit 1 abuts against the bottom plate 302 and is reliably limited.

So set up, pulling first guardrail unit 1, connecting portion 101 goes up and down at will in first district 3031, and first guardrail unit 1 can free rotation, when first guardrail unit 1 is in the state of standing under the control of operating personnel, let connecting portion 101 descend to first district 3031's lower extreme, then translate to second district 3032's upper end, then continue to descend to second district 3032's lower extreme, operating personnel's hand can release this moment, first guardrail unit 1 is in the locking state of standing steadily.

The specific structure of the guide groove 303 is used for describing the M degrees of freedom and the N degrees of freedom, when the connecting portion 101 is located at the lower end of the second region 3032, the first guardrail unit 1 can move upwards along the vertical direction, that is, N is 1 at this time; when the connection portion 101 is located in the second region 3032, the first guardrail unit 1 can move up and down in the vertical direction and can rotate, that is, the first guardrail unit 3 is taken out of the second region 3.

In addition, a third region 3033 extending in the horizontal direction may be additionally disposed, and the third region 3033 is communicated with the upper end of the first region 3031 and extends in a direction approaching to the structure, that is, the first region 3031 and the third region 3033 are in L-shaped distributed connection, and the third region 3033 is disposed near the structure, so that when the first guardrail unit 1 is placed upside down and stored, the connection part 101 is located in the third region 3033, so that the position of the first guardrail unit 1 is relatively inward, and the bottom end of the first guardrail unit is prevented from protruding outwards to a high degree.

The specific structure of the guide groove 303 is used for describing the M degrees of freedom and the N degrees of freedom, when the connecting portion 101 is located at the lower end of the second region 3032, the first guardrail unit 1 can move upwards along the vertical direction, that is, N is 1 at this time; when the connection part 101 is located in the second region 3032, the first barrier unit 1 can move up and down in the vertical direction, reciprocate in the horizontal direction, and can also rotate, that is, the first barrier unit M takes 5 at this time.

Further, when the connection part 101 moves to the upper end of the second region 3032, there is a gap between the bottom end surface of the first barrier unit 1 and the bottom plate 302, so as to allow the connection part 101 to translate to the first region 3031 and prevent the first barrier unit 1 from rotating, or the first barrier unit 1 can shake only in a small range. Thus, even if the first barrier unit 1 is long in size and has a high center of gravity, the stability of the first barrier unit 1 in the locked state can be ensured and the safety of the barrier assembly can be enhanced even if someone shakes the barrier assembly with great force.

In a preferred embodiment, the bottom plate 302 is provided with a stopper, and when the connecting portion 101 is in the locking position, the stopper is located close to the first guardrail unit 1, i.e. the stopper is located on a side away from the platform 6, and when the connecting portion 101 is located at the upper end of the second section 3032, the height of the stopper is insufficient to block the translation of the first guardrail unit 1. Thus, the fixing effect on the guardrail assembly can be improved by performing auxiliary limiting through the limiting block.

In another preferred embodiment, the height of the first regions 3031 in the extension direction is provided to be at least two times greater than the thickness of the first barrier units 1 when they are laid down so that at least two first barrier units 1 can be stacked in parallel when they are laid down. If the first barrier unit 1 is rod-shaped, the thickness is specifically referred to as its diameter.

So set up, when this guardrail subassembly is installed on platform 6, first guardrail unit 1 keep parallel basically with platform 6 when falling down, because more than one side needs to set up this guardrail subassembly on platform 6, so the influence because of thickness is easy to interfere perk after falling down, and through the extension setting to first district 3031 for each connecting portion 101 can be in different heights, thereby realize that first guardrail unit 1 after falling down is in different heights, so that a plurality of first guardrail units 1 are parallel to each other stacks. Of course, if the height of the first region 3031 is not allowed, it is also possible to stagger the height of the fixing base 3.

In order to further enhance the safety afforded by the barrier assembly, the barrier assembly is provided with a second barrier unit 2 connected to the first barrier unit 1, the second barrier unit 2 being slidable along the first barrier unit 1 and being positionable at least on top of the first barrier unit 1.

In this way, the enclosure effect is optimized by heightening, on the other hand, considering that some platforms 6 are in a narrow strip shape, the first guardrail unit 1 and the second guardrail unit 2 cannot be completely stored on the platforms 6 after being laid down, and at this time, the positioning connection of the second guardrail unit 2 at the top end of the first guardrail unit 1 is released, so that the application flexibility is high.

Further, the first guardrail unit 1 is in a rod shape, the second guardrail unit 2 is a frame, the second guardrail unit 2 is provided with a lantern ring 4, the lantern ring 4 is movably sleeved on the first guardrail unit 1, the top end of the first guardrail unit 1 is provided with a limiting structure 5 which is detachably connected and can prevent the lantern ring 4 from sliding, and the limiting structure 5 can be specifically two pins which are arranged up and down and can be inserted and pulled out.

Based on the guardrail assembly, this application embodiment still provides an operation platform, and this operation platform includes platform 6 and foretell guardrail assembly, and guardrail assembly distributes at the edge of platform 6, and fixing base 3 rigid coupling is at the edge of platform 6, and platform 6 can also assist to block first guardrail unit 1 upset to the outside. Because the operation platform is provided with the guardrail assembly, the beneficial effects brought by the guardrail assembly are shown in the above description, and are not repeated here.

In a preferred embodiment, the edge of the platform 6 is provided with a coaming 8 higher than the platform 6, the inner wall of the coaming 8 is hinged with an additional guardrail unit 7, the structure of the additional guardrail unit 7 is the same as the structure of the aggregate of the first guardrail unit 1 and the second guardrail unit 2, the fixing seat 3 is fixedly connected on the outer wall of the coaming 8, and the additional guardrail unit 7 and the first guardrail unit 1 are respectively positioned on two opposite sides or two adjacent sides of the platform 6. Thus, when the guardrail is stored, the additional guardrail units 7 are firstly laid down in the space between the coamings 8, and then the first guardrail units 1 are laid down in sequence, so that the space is reasonably utilized for storage.

In addition, when the first guardrail unit 1, the second guardrail unit 2 and the additional guardrail unit 7 are in the standing state, the additional guardrail unit 7 and the adjacent second guardrail unit 2 can be connected by means of a U-shaped fixing piece and the like, so that the adjacent guardrail units are mutually locked to improve the protection effect.

Based on the operation platform, the embodiment of the application also provides a tower crane, which comprises the operation platform. Because the tower crane is provided with the operation platform, the beneficial effects brought by the operation platform are shown in the above description, and are not repeated here.

The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not limiting, and these advantages, benefits, effects, etc. are not to be considered as necessarily possessed by the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not intended to be limited to the details disclosed herein as such.

The block diagrams of the devices, apparatuses, devices, systems referred to in this application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.

It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent to the present application.

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

It should be understood that the terms "first," "second," "third," "fourth," "fifth," and "sixth" used in the description of the embodiments of the present application are merely used for clarity in describing the technical solutions, and are not intended to limit the scope of the present application.

The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.

Claims

1. A guardrail assembly comprising:

a fixed seat (3);

the first guardrail unit (1) comprises a connecting part (101), and the first guardrail unit (1) is in sliding connection with the fixed seat (3) through the connecting part (101);

when the connecting part (101) moves to the unlocking position, the first guardrail unit (1) has M degrees of freedom, the first guardrail unit (1) can rotate around the connecting part (101) relative to the fixing seat (3), and when the connecting part (101) moves to the locking position, the first guardrail unit (1) has N degrees of freedom, and the first guardrail unit (1) is limited by the fixing seat (3); m and N are positive integers, and M is greater than N.

2. The guardrail assembly according to claim 1, characterized in that the fixing base (3) comprises a side plate (301) and a bottom plate (302) fixedly connected with the side plate (301), and the connecting part (101) is slidingly connected with the side plate (301); wherein,,

when the connecting part (101) is in the unlocking position, the first guardrail unit (1) can rotate to be laid down and raised by taking the connecting part (101) as an axis;

when the connecting part (101) is at the locking position, the bottom end face of the first guardrail unit (1) is abutted with the bottom plate (302) so that the first guardrail unit (1) has only one degree of freedom of sliding along the side plate (301).

3. The guardrail assembly according to claim 2, characterized in that the side plate (301) is provided with a guide groove (303), the connecting part (101) moves along the guide groove (303), the guide groove (303) comprises a first region (3031) and a second region (3032) which extend along the height direction of the fixing seat (3), the second region (3032) is communicated with the first region (3031) and is arranged in a staggered manner, the connecting part (101) is located at the unlocking position when located at the first region (3031), and the connecting part (101) is located at the locking position when the second region (3032) is located at one end far away from the first region (3031).

4. A guardrail assembly according to claim 3, characterized in that when the connection (101) is moved to the end of the second zone (3032) close to the first zone (3031), there is a gap between the bottom end surface of the first guardrail unit (1) and the bottom plate (302) to allow the connection (101) to translate to the first zone (3031) and to hinder the rotation of the first guardrail unit (1).

5. A guardrail assembly according to claim 3, characterized in that the height of the first zone (3031) in the extension direction is at least twice as great as the thickness of the first guardrail unit (1).

6. A guardrail assembly according to claim 3, characterized in that the guide groove (303) further comprises a third zone (3033) communicating with an end of the first zone (3031) remote from the second zone (3032) and extending in a direction approaching the structure.

7. Guardrail assembly according to claim 2, characterized in that the bottom plate (302) is provided with a stop, which stop is located close to the first guardrail unit (1) when the connection (101) is in the locked position.

8. An operation platform, characterized by comprising a platform (6) and the guardrail assembly according to any one of claims 1-7, wherein the guardrail assembly is distributed on the edge of the platform (6), and the fixing seat (3) is fixedly connected on the edge of the platform (6).

9. The working platform according to claim 8, characterized in that the edge of the platform (6) is provided with a surrounding board (8) higher than the platform (6), an additional guardrail unit (7) is hinged on the inner wall of the surrounding board (8), the fixing seat (3) is fixedly connected on the outer wall of the surrounding board (8), the additional guardrail unit (7) and the first guardrail unit (1) are respectively positioned on two opposite sides or two adjacent sides of the platform (6), and the additional guardrail unit (7) is connected with the adjacent second guardrail unit (2).

10. A tower crane comprising a work platform according to any one of claims 8 or 9.