CN216662316U

CN216662316U - Counterweight assembly, large-tonnage crane and small-tonnage crane

Info

Publication number: CN216662316U
Application number: CN202122784780.1U
Authority: CN
Inventors: 俞胜; 焦战方; 张玉星
Original assignee: Sany America Inc
Current assignee: Sany America Inc
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-03
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to the technical field of engineering machinery, and provides a counterweight assembly, a large-tonnage crane and a small-tonnage crane, which comprise a first counterweight block and a second counterweight block symmetrical to the first counterweight block; the first mating surface of the first balancing weight and the first mating surface of the second balancing weight are mated to form a first counterweight module, and the first counterweight module can be matched with a super-lift counterweight tray of a large-tonnage crane; the second opposite joint surface of the first balancing weight and the second opposite joint surface of the second balancing weight are opposite to form a second balancing weight module, and the second balancing weight module is suitable for small-tonnage cranes. The counterweight assembly can be used as a super-lift counterweight of a large-tonnage crane and a back counterweight of a small-tonnage crane, the universality and the utilization rate of the counterweight assembly are improved, the counterweight assemblies on the large-tonnage crane and the small-tonnage crane can be detached and borrowed for application in different operation stages, extra counterweight transportation is not needed, and the number of transported counterweights is reduced.

Description

Counterweight assembly, large-tonnage crane and small-tonnage crane

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a counterweight assembly, a large-tonnage crane and a small-tonnage crane.

Background

At present, in an actual construction site, a small-tonnage crawler crane is required to be used as an auxiliary crane for dismounting and mounting a large-tonnage crawler crane, and the balance weight structural forms of the existing large-tonnage crawler crane and the existing small-tonnage crawler crane are not universal, so that the sufficient balance weight of the large-tonnage crawler crane and the sufficient balance weight of the small-tonnage crawler crane are required to be transported to the construction site respectively, and thus, the construction and transportation cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a counterweight assembly, a large-tonnage crane and a small-tonnage crane, which are used for solving the defects that in the prior art, counterweights of the large-tonnage crawler crane and the small-tonnage crawler crane cannot be commonly used and the transportation cost is increased due to the fact that the counterweights of the large-tonnage crawler crane and the small-tonnage crawler crane need to be transported to a construction site, and can realize the removal and borrowing of the counterweights of different-tonnage crawler cranes so as to reduce the total number of the counterweights and further realize the efficient use of the counterweights.

The utility model provides a counterweight component, which comprises a first counterweight block and a second counterweight block symmetrical to the first counterweight block; wherein,

the first mating surface of the first balancing weight and the first mating surface of the second balancing weight are mated to form a first counterweight module, and the first counterweight module can be matched with a super-lift counterweight tray of a large-tonnage crane;

and the second butt-joint surface of the first balancing weight and the second butt-joint surface of the second balancing weight are butted to form a second balancing weight module, and the second balancing weight module is suitable for small-tonnage cranes.

According to the counterweight assembly provided by the utility model, a first protrusion is arranged on the first end surface of the first counterweight block, a first groove is arranged on the second end surface, and the first groove is matched with the first protrusion;

and a second protrusion is arranged on the first end surface of the second balancing weight, a second groove is arranged on the second end surface, and the second groove is matched with the second protrusion.

According to the counterweight assembly provided by the utility model, at least one first connecting lug and at least one first connecting plate are arranged on the side part of each first counterweight block, and when a plurality of first counterweight blocks are superposed, the first connecting lugs and the first connecting plates of two adjacent first counterweight blocks are connected through first pin shafts;

the lateral part of the second balancing weight is provided with at least one second engaging lug and at least one second connecting plate, and when the second balancing weight is superposed, the second engaging lugs and the second connecting plates of two adjacent second balancing weights are connected through a second pin shaft.

According to the counterweight assembly provided by the utility model, the first connecting lug is provided with the first connecting hole, the first connecting plate is provided with the first aligning hole matched with the first connecting hole, and both the first connecting hole and the first aligning hole can be matched with the first pin shaft;

the second connecting lug is provided with a second connecting hole, the second connecting plate is provided with a second butt joint hole matched with the second connecting hole, and both the second connecting hole and the second butt joint hole can be matched with the second pin shaft.

According to the counterweight assembly provided by the utility model, the first connecting lug comprises a first limiting plate and a second limiting plate opposite to the first limiting plate, and a first gap for the first connecting plate to extend into is arranged between the first limiting plate and the second limiting plate;

the second connecting lug comprises a third limiting plate and a fourth limiting plate opposite to the third limiting plate, and a second gap for the second connecting plate to extend into is formed between the third limiting plate and the fourth limiting plate.

According to the counterweight assembly provided by the utility model, at least one first lifting lug is arranged on the side part of the first counterweight block, and at least one second lifting lug is arranged on the side part of the second counterweight block.

According to the counterweight assembly provided by the utility model, the first connecting plate is positioned in the first lifting lug, and the second connecting plate is positioned in the second lifting lug.

The utility model also provides a large-tonnage crane which comprises a super-lift counterweight tray and a plurality of counterweight components, wherein the counterweight components are arranged in a matching way, the first matching surfaces of the first counterweight block and the second counterweight block of the counterweight components are matched to form a first counterweight module, and the first counterweight modules are stacked on the middle matching position of the super-lift counterweight tray.

According to the large-tonnage crane provided by the utility model, a plurality of first counterweight modules are stacked on the middle configuration playback position of the super-lift counterweight tray.

The utility model also provides a small-tonnage crane which comprises a crane body and a plurality of counterweight assemblies as described in any one of the above items, wherein the second opposite surfaces of the first counterweight block and the second counterweight block of the counterweight assemblies are oppositely combined to form a second counterweight module, and the second counterweight modules are connected to the rear part of the crane body in a stacking manner.

According to the counterweight assembly, the large-tonnage crane and the small-tonnage crane, the first counterweight module can be placed on the super-lift counterweight tray of the large-tonnage crane by combining the first counterweight block and the second counterweight block, or the second counterweight module can be combined and connected to the rear end of the small-tonnage crane in a stacking manner, so that the counterweight assembly can be used as a super-lift counterweight of the large-tonnage crane and a rear counterweight of the small-tonnage crane, the universality and the utilization rate of the counterweight assembly are improved, the counterweight assemblies on the large-tonnage crane and the small-tonnage crane can be detached and applied in different operation stages, extra counterweights do not need to be transported, the transportation quantity of the counterweights can be reduced, and the transportation operation cost of construction can be directly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a top view of a first weight member according to the present invention;

FIG. 2 is a perspective view of a first weight member according to the present invention;

FIG. 3 is a side view of a first weight provided by the present invention;

FIG. 4 is a top view of a second weight member according to the present invention;

FIG. 5 is a perspective view of a second weight member according to the present invention;

FIG. 6 is a side view of a second weight provided by the present invention;

FIG. 7 is a perspective view of a small tonnage crane provided by the present invention;

FIG. 8 is one of the perspective views of the first counterweight module stacked on the super-lift counterweight tray of the large tonnage crane according to the present invention;

FIG. 9 is one of the top views of the first counterweight module provided by the present invention stacked on a super lift counterweight tray of a large tonnage crane;

FIG. 10 is a second perspective view of the first counterweight module stacked on the super-lift counterweight tray of a large tonnage crane according to the present invention;

FIG. 11 is a second top view of the first counterweight module stacked on the super-lift counterweight tray of a large tonnage crane according to the present invention.

Reference numerals:

1: a first counterweight block; 2: a second counterweight block; 3: a crane body;

4: fixing a balance weight; 5: lifting the counterweight tray; 6: balancing weight;

7: a second mating surface; 8: a first mating surface; 10: a first connecting lug;

11: a first limit plate; 12: a second limiting plate; 13: a first connecting plate;

14: a first protrusion; 15: a first mating hole; 16: a first lifting lug;

20: a second engaging lug; 21: a third limiting plate; 22: a fourth limiting plate;

23: a second connecting plate; 24: a second protrusion; 25: a second docking hole;

26: and the second lifting lug.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.

The counterweight assembly and the large-tonnage crane and the small-tonnage crane of the present invention will be described with reference to fig. 1 to 11.

As shown in fig. 1 to 6, the counterweight assembly provided by the present invention includes a first counterweight block 1 and a second counterweight block 2, wherein the first counterweight block 1 and the second counterweight block 2 are symmetrical, such that the centers of gravity of the first counterweight block 1 and the second counterweight block 2 are symmetrical.

Wherein, the first mating surface 8 of first balancing weight 1 and the first mating surface 8 of second balancing weight 2 are involutive mutually, form first counter weight module, and first counter weight module can be with the super counter weight tray 5 looks adaptation of lifting up of large-tonnage hoist, and like this, first balancing weight 1 and second balancing weight 2 can regard as the counter weight of large-tonnage hoist to use.

The second apposition surface 7 of the first balancing weight 1 and the second apposition surface 7 of the second balancing weight 2 are apposed to form a second counterweight module, the second counterweight module can be suitable for a small-tonnage crane, and thus, the first balancing weight 1 and the second balancing weight 2 can be used as a counterweight of the small-tonnage crane.

Here, for a small-tonnage crane provided with a fixed counterweight 4 or a counterweight tray, the second counterweight module can be stacked on the fixed counterweight 4 or the counterweight tray, and the second counterweight module is matched with the fixed counterweight 4 or the counterweight tray; the second counterweight module can be directly stacked and connected at the rear end of the small-tonnage crane, specifically, the bottommost second counterweight module can be used as a fixed counterweight, and the rest second counterweight modules can be used as detachable counterweights.

It should be noted that the first mating surfaces 8 of the first balancing weight 1 and the second balancing weight 2 are mated, that is, the first balancing weight 1 and the second balancing weight 2 are mated in the width direction, so as to form a first balancing module. The second matching surfaces 7 of the first balancing weight block 1 and the second balancing weight block 2 are matched, that is, the first balancing weight block 1 and the second balancing weight block 2 are matched along the length direction to form a second balancing weight module.

Because the center of gravity of first balancing weight 1 and second balancing weight 2 is in the centre of gravity, can guarantee the balanced center of gravity of first counter weight module and the second counter weight module that forms.

So set up, first balancing weight 1 and second balancing weight 2 both can be to synthesizing first counter weight module, can place on the super lift counter weight tray of large-tonnage hoist, again to synthesizing second counter weight module, can place on the fixed counter weight of little tonnage hoist, thereby make the counter weight subassembly both can regard as the super lift counter weight of large-tonnage hoist to use, can regard as the back counter weight of little tonnage hoist to use again, the commonality and the utilization ratio of counter weight subassembly have been improved, in the operation stage of difference, can borrow the application with the counter weight subassembly of large-tonnage hoist and little tonnage hoist, need not additionally to transport unnecessary counter weight, thereby can realize the reduction of counter weight transportation quantity, directly reduce the transportation operation cost of construction.

It should be noted that, the embodiment does not limit the specific tonnage of the large-tonnage crane and the small-tonnage crane, and only needs to satisfy that the tonnage of the large-tonnage crane is larger than that of the small-tonnage crane, and the large-tonnage crane is a crane with a counterweight tray.

In an alternative embodiment of the present invention, a first protrusion 14 is disposed on a first end surface of the first balancing weight 1, a first groove is disposed on a second end surface, and the first groove matches with the first protrusion 14. In this way, when two first weights 1 are stacked, the two first weights 1 can be connected to the first groove via the first protrusion 14.

A second protrusion 24 is arranged on the first end surface of the second balancing weight 2, a second groove is arranged on the second end surface, and the second groove is matched with the second protrusion 24. In this way, when two second counter weights 2 are stacked, the two second counter weights 2 can be connected by the second protrusion 24 and the second groove.

Here, the first protrusion 14 and the first groove are symmetrical to the second protrusion 24 and the second groove, respectively, so that the first balancing weight 1 and the second balancing weight 2 are further ensured to be symmetrical, thereby improving the versatility of the balancing weight assembly.

In an alternative embodiment of the present invention, at least one first connecting lug 10 and at least one first connecting plate 13 are disposed at a side portion of the first balancing weight 1, and when a plurality of first balancing weights 1 are stacked, the first connecting lugs 10 and the first connecting plates 13 of two adjacent first balancing weights 1 are connected by a first pin, thereby realizing fixed connection of two adjacent first balancing weights 1.

Here, the first connecting lug 10 may be disposed near the second end surface of the first balancing weight 1, the first connecting plate 13 may be disposed near the first end surface, and the first connecting lug 10 and the first connecting plate 13 correspond so that the first connecting lug 10 and the first connecting plate 13 of two adjacent first balancing weights 1 are connected.

The lateral part of the second balancing weight 2 is provided with at least one second engaging lug 20 and at least one second connecting plate 23, and when a plurality of second balancing weights 2 are superposed, the second engaging lugs 20 and the second connecting plates 23 of two adjacent second balancing weights 2 are connected through a second pin, so that the fixed connection of two adjacent second balancing weights 2 is realized.

Here, the second engaging lug 20 may be disposed near the second end surface of the second balancing weight 2, the second connecting plate 23 may be disposed near the first end surface, and the second engaging lug 20 and the second connecting plate 23 correspond so that the second engaging lugs 20 and the second connecting plates 23 of two adjacent second balancing weights 2 are connected.

In an alternative embodiment, a first connection hole is formed in the first connection ear 10, a first connection hole 15 is formed in the first connection plate 13, the first connection hole 15 is matched with the first connection hole, and both the first connection hole and the first connection hole 15 can be matched with the first pin. In this way, the first connecting lug 10 and the first connecting plate 13 of two adjacent first balance weights 1 can be connected by one first pin.

Be provided with the second connecting hole on the second engaging lug 20, be provided with second butt joint hole 25 on the second connecting plate 23, second butt joint hole 25 and second connecting hole phase-match to second connecting hole and second butt joint hole 25 homoenergetic are enough to sell the shaft phase-match with the second. In this way, the second connecting lug 20 and the second connecting plate 23 of two adjacent second counterweights 2 can be connected by one second pin.

And, first connection ear 10 includes first limiting plate 11 and second limiting plate 12, first limiting plate 11 and second limiting plate 12 set up relatively, and be provided with first clearance between first limiting plate 11 and the second limiting plate 12, in order to be used for supplying the first connecting plate 13 of other first balancing weight 1 to stretch into, thereby make the first connecting plate 13 of other first balancing weight 1 be located between first limiting plate 11 and the second limiting plate 12, thereby play limiting displacement to first connecting plate 13, improve the steadiness that two first balancing weights 1 connect.

Second engaging lug 20 includes third limiting plate 21 and fourth limiting plate 22, third limiting plate 21 and fourth limiting plate 22 set up relatively, and be provided with the second clearance between third limiting plate 21 and the fourth limiting plate 22, in order to be used for supplying the second connecting plate 23 of other second balancing weights 2 to stretch into, thereby make the second connecting plate 23 of other second balancing weights 2 be located between third limiting plate 21 and the fourth limiting plate 22, thereby play limiting displacement to second connecting plate 23, improve the steadiness that two second balancing weights 2 connect.

In an alternative embodiment of the present invention, at least one first lifting lug 16 is provided at a side portion of the first balancing weight 1 to facilitate the lifting of the first balancing weight 1 by a lifting tool.

Here, the first connecting plate 13 is located in the first lifting lug 16, which is advantageous for reducing the volume of the first balancing weight 1 and does not limit the connection of the spreader to the first lifting lug 16.

The lateral part of the second balancing weight 2 is provided with at least one second lifting lug 26 so that the lifting appliance can lift the first balancing weight 1.

Here, the second connecting plate 23 is located in the second lifting lug 26, which is advantageous for reducing the volume of the second balancing weight 2 and does not limit the connection of the spreader to the second lifting lug 26.

In this embodiment, all be provided with the filling hole on first balancing weight 1 and the second balancing weight 2 to in pouring into first balancing weight 1 and second balancing weight 2 through the filling hole with concrete etc..

The following describes the large-tonnage crane provided by the present invention, and the large-tonnage crane described below and the counterweight assembly described above can be referred to with each other.

The utility model provides a large-tonnage crane, which comprises a super-lift counterweight tray 5 and a plurality of counterweight components, wherein the counterweight components can be the counterweight components in any embodiment. And, first balancing weight 1 and the second balancing weight 2 of counter weight subassembly form first counter weight module with first coincidence face 8 involutes, and a plurality of first counter weight modules stack at super rising counter weight tray 5.

In this embodiment, a plurality of first weight modules may be stacked on the middle configuration position of the super lift weight tray 5.

Specifically, as shown in fig. 1, at least one first protrusion 14 or first groove, at least one second protrusion 24 or second groove are disposed at the middle configuration playback position of the super-lift counterweight tray 5 to be embedded with the first protrusion 14 or first groove on the first counterweight block 1, and to be embedded with the second protrusion 24 or second groove on the second counterweight block 2, so as to limit the position of the first counterweight module (the first counterweight block 1 and the second counterweight block 2), and improve the stability of the first counterweight module.

Here, the middle configuration playback position of the super-lift weight tray 5 may be provided with two first protrusions 14 and two second protrusions 24, and the two first protrusions 14 and the two second protrusions 24 are symmetrically arranged, so that the first weight block 1 and the second weight block 2 are symmetrically placed on the super-lift weight tray 5 to be used as a super-lift weight.

In addition, the first counterweight module can also be used in combination with a counterweight 6 of a large-tonnage crane, namely, at least one first lug and one second lug can be arranged on the counterweight 6 of the large-tonnage crawler crane to be matched with a first groove of the first counterweight block 1 and a second groove of the second counterweight block 2, so that the first counterweight block 1 and the second counterweight block 2 can be stacked on the counterweight 6 of the large-tonnage crawler crane.

The following describes the small-tonnage crane provided by the present invention, and the small-tonnage crane described below and the counterweight assembly described above may be referred to with each other.

The utility model provides a small-tonnage crane which comprises a crane body 3 and a plurality of counterweight components, wherein the counterweight components can be the counterweight components described in any one of the embodiments, a first counterweight block 1 and a second counterweight block 2 of the counterweight components are oppositely combined by a second opposite combination surface 7 to form a second counterweight module, and a plurality of second counterweight modules are stacked at the rear part of the crane body 3.

In this embodiment, this light-tonnage hoist can also include the fixed counter weight 4 or the counter weight tray of connection at the hoist body rear portion, and the second counter weight module can stack on fixed counter weight 4 or counter weight tray to second counter weight module and fixed counter weight 4 or counter weight tray looks adaptation.

Specifically, as shown in fig. 7, at least one first protrusion 14 or first groove, and at least one second protrusion 24 or first groove are disposed on the fixed counterweight 4 or the counterweight tray to be embedded with the first protrusion 14 or first groove on the first counterweight block 1, and to be embedded with the second protrusion 24 or second groove on the second counterweight block 2, so as to limit the position of the second counterweight module (the first counterweight block 1 and the second counterweight block 2), and improve the stability of the placement of the second counterweight module.

Here, two first protrusions 14 and two second protrusions 24 may be disposed on the fixed weight 4 or the weight tray, and the two first protrusions 14 and the two second protrusions 24 are symmetrically disposed, so that the first weight block 1 and the second weight block 2 are symmetrically disposed on the fixed weight 4 or the weight tray to be used as a rear weight.

In other embodiments, the second counterweight module can be directly stacked and connected to the rear end of the small-tonnage crane, specifically, the bottommost second counterweight module can be used as a fixed counterweight, and the rest second counterweight modules can be used as detachable counterweights.

The large-tonnage crane can be a large-tonnage crawler crane, and the small-tonnage crane can be a small-tonnage crawler crane.

Therefore, in the stage of disassembling and assembling the large-tonnage crawler crane, the plurality of first balancing weights 1 and the plurality of second balancing weights 2 can be combined into a second balancing weight module to be stacked on the fixed balancing weight 4 of the small-tonnage crawler crane to be used as a back balancing weight for normal working and hoisting.

When large-tonnage crawler crane carries out the operation stage, can dismantle first balancing weight 1 and second balancing weight 2 on the small-tonnage crawler crane to correspond and install on large-tonnage crawler crane's super counter weight tray 5, even first balancing weight 1 and second balancing weight 2 stack synthetic first counter weight module on super counter weight tray 5, use as super counter weight.

The above-described embodiments of the apparatus are merely illustrative, and some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A counterweight component is characterized by comprising a first counterweight block and a second counterweight block symmetrical to the first counterweight block; wherein,

and the second opposite joint surface of the first balancing weight and the second opposite joint surface of the second balancing weight are combined to form a second balancing weight module, and the second balancing weight module is suitable for small-tonnage cranes.

2. The counterweight assembly of claim 1 wherein said first counterweight has a first projection disposed on a first end surface and a first recess disposed on a second end surface, said first recess mating with said first projection;

3. The counterweight assembly of claim 1 wherein the lateral portion of said first counterweight block is provided with at least one first connecting lug and at least one first connecting plate, and when a plurality of said first counterweight blocks are stacked, the first connecting lug and the first connecting plate of two adjacent first counterweight blocks are connected by a first pin;

4. The counterweight assembly of claim 3 wherein said first attachment tab has a first attachment hole formed therein, said first attachment plate has a first mating hole formed therein that mates with said first attachment hole, and each of said first attachment hole and said first mating hole is capable of mating with said first pin;

5. The counterweight assembly of claim 3 wherein said first connecting lug includes a first limiting plate and a second limiting plate opposite to said first limiting plate, a first gap is provided between said first limiting plate and said second limiting plate for said first connecting plate to extend into;

6. The counterweight assembly of claim 3 wherein a side of said first counterweight is provided with at least one first lifting lug and a side of said second counterweight is provided with at least one second lifting lug.

7. The counterweight assembly of claim 6 wherein said first connecting plate is positioned within said first shackle and said second connecting plate is positioned within said second shackle.

8. A large-tonnage crane comprises a super-lift counterweight tray and is characterized by further comprising a plurality of counterweight assemblies according to any one of claims 1-7, wherein first joint surfaces of a first counterweight block and a second counterweight block of each counterweight assembly are jointed to form a first counterweight module, and the first counterweight modules are stacked on the super-lift counterweight tray.

9. The large tonnage crane of claim 8, wherein a plurality of said first counterweight modules are stacked on a centrally disposed position of said super lift counterweight tray.

10. A small-tonnage crane comprises a crane body and is characterized by further comprising a plurality of counterweight assemblies according to any one of claims 1-7, wherein second opposite surfaces of a first counterweight block and a second counterweight block of each counterweight assembly are oppositely combined to form a second counterweight module, and the second counterweight modules are connected to the rear portion of the crane body in a stacked mode.