CN215166005U - Counterweight assembly and excavator - Google Patents
Counterweight assembly and excavator Download PDFInfo
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- CN215166005U CN215166005U CN202120584783.8U CN202120584783U CN215166005U CN 215166005 U CN215166005 U CN 215166005U CN 202120584783 U CN202120584783 U CN 202120584783U CN 215166005 U CN215166005 U CN 215166005U
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- counterweight
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Abstract
The utility model discloses a counterweight assembly and an excavator, wherein the counterweight assembly comprises a counterweight, an auxiliary counterweight and a connecting part; two lifting lugs arranged at intervals are arranged on the top surface of the counterweight; the auxiliary counterweight is provided with two assembling holes corresponding to the lifting lugs, and the bottom surface of the auxiliary counterweight between the two assembling holes is provided with a long groove; the connecting part is arranged between the two lifting lugs and is connected with the lifting lugs through the fasteners I, after the auxiliary balance weight is assembled on the balance weight, the lifting lugs penetrate into the assembling holes, and the connecting part falls into the long groove and is connected with the auxiliary balance weight through the fasteners II. The utility model provides a change the counter weight or welded problem on the counter weight in original scheme, reduce user's cost, eliminate the potential safety hazard.
Description
Technical Field
The utility model relates to a counterweight assembly belongs to the engineering machine tool field.
Background
Under different working conditions, counter weights with different weights are often required to be configured to ensure the stability of the whole machine, and if the counter weights are replaced with new counter weights, the cost is high. There is a need for an auxiliary counterweight that can be added to an existing counterweight structure and that is easily removed and installed.
In the prior art, the auxiliary counter weight is fixed above the counter weight by means of the conventional threaded hoisting hole, so that the required weight is achieved.
Because the large-tonnage excavator counter weight adopts the lug structure for guaranteeing the hoist and mount intensity more, does not reserve the screw thread hole for hoist and mount. So that it cannot be directly fixed. If directly change the counter weight, the cost is higher. If the auxiliary counter weight is directly welded on the counter weight body, the counter weight is easily torn due to the large vibration of the whole machine, and the welded auxiliary counter weight is not easily detached, so that great potential safety hazards exist.
Disclosure of Invention
To the problem that exists, the utility model provides a counter weight subassembly, the vice counter weight of installation that can be convenient, the total weight of adjustment counter weight satisfies the demand under the different work condition.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model discloses a counterweight component, which comprises a counterweight, an auxiliary counterweight and a connecting part; two lifting lugs arranged at intervals are arranged on the top surface of the balance weight; the auxiliary counterweight is provided with two assembling holes corresponding to the lifting lugs, and the bottom surface of the auxiliary counterweight between the two assembling holes is provided with a long groove; the connecting part is arranged between the two lifting lugs and is connected with the lifting lugs through the fasteners I, after the auxiliary balance weight is assembled on the balance weight, the lifting lugs penetrate into the assembling holes, and the connecting part falls into the long groove and is connected with the auxiliary balance weight through the fasteners II.
The specific scheme is as follows: the connecting part is a fixing plate, two side faces of the fixing plate are respectively provided with a threaded hole, and after the fixing plate is placed on the balance weight between the two lifting lugs, the threaded holes on the two sides are respectively concentric with the inner holes of the corresponding lifting lugs.
One embodiment is as follows: the fastener I is a bolt and a washer; one side of the fixing plate is attached to the inner side of the lifting lug and is tightly matched with the threaded hole through the gasket and the bolt; the other side of the fixing plate is attached to the inner side of the lifting lug and is in fastening fit with the threaded hole through the gasket and the bolt.
In another embodiment: because of manufacturing reason the inboard size of two lugs can have the error, for guaranteeing that the fixed plate can fix smoothly, the length of fixed plate will be less than the inboard size of two lugs. The fastening piece I is a bolt, a washer and a shaft sleeve; one side of the fixing plate is attached to the inner side of the lifting lug and is tightly matched with the threaded hole through the gasket and the bolt; the inner hole of the lifting lug at the other side of the fixed plate is penetrated with a shaft sleeve, the front end of the shaft sleeve is abutted against the fixed plate and is tightly matched with the threaded hole through a bolt.
The specific scheme is as follows: the top surface of the fixed plate is provided with a plurality of threaded holes, and the auxiliary counter weight is provided with through holes concentric with the threaded holes; and the fastening piece II is a bolt and a washer and is tightly matched with the threaded hole through the bolt and the washer.
As the utility model discloses an optimization scheme, still be equipped with the hole for hoist on the vice counter weight for hoist and mount.
In the preferred scheme, the number of the hoisting holes is two, and the two hoisting holes are respectively arranged on two sides of the auxiliary counterweight.
As the optimization scheme of the utility model, the lateral surface of counter weight and vice counter weight is the arcwall face.
The utility model also discloses an excavator installs foretell counter weight component.
The utility model discloses beneficial effect:
the utility model provides a counterweight assembly realizes through fixed plate, packing ring, axle sleeve, bolt that the installation of vice counter weight is fixed, has solved and has changed the counter weight or welded problem on the counter weight in original scheme, reduces user's cost, eliminates the potential safety hazard.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is an overall assembly view of the counterweight assembly of the present invention;
fig. 2 is an exploded view of the counterweight assembly of the present invention.
The attached drawings are as follows: 1-counterweight, 2-fixing plate, 3-auxiliary counterweight, 4-bolt I, 5-washer I, 6-washer II, 7-shaft sleeve, 8-bolt II, 9-lifting lug, 21-threaded hole I, 22-threaded hole II, 31-through hole, 32-assembly hole and 33-hoisting hole.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the utility model provides a counterweight assembly, the vice counter weight of installation that can be convenient, the total weight of adjustment counter weight satisfies the demand under the different work condition. The whole scheme is as follows: the lifting lug structure above the balance weight is used, the middle fixing plate is fixed through the bolt and the gasket, the fixing plate is provided with the threaded mounting hole, the auxiliary balance weight is fixed on the fixing plate through the bolt, and a plurality of auxiliary balance weights can be fixed according to requirements to achieve the required weight.
The specific scheme is as follows: a counterweight assembly comprises a counterweight 1, a secondary counterweight 3 and a connecting part; two lifting lugs 9 which are arranged at intervals are arranged on the top surface of the balance weight 1; two assembling holes 32 corresponding to the lifting lugs 9 are arranged on the auxiliary balance weight 3, and a long-shaped groove is arranged on the bottom surface of the auxiliary balance weight 3 between the two assembling holes 32; the connecting part is arranged between the two lifting lugs 9 and is connected with the lifting lugs 10 through a fastener I, after the auxiliary balance weight 3 is assembled on the balance weight 1, the lifting lugs 9 penetrate into the assembling holes 32, and the connecting part falls into the elongated slot and is connected with the auxiliary balance weight 3 through a fastener II.
Continuing to refer to fig. 2, the connecting component is a fixing plate 2, two side surfaces of the fixing plate 2 are respectively provided with a threaded hole ii 22, and after the fixing plate 2 is placed on the counterweight 1 between the two lifting lugs 9, the threaded holes ii 22 on the two sides are respectively concentric with the inner holes of the corresponding lifting lugs.
The first embodiment is as follows:
the fastener I is a bolt II 8 and a washer II 6; one side of the fixed plate 2 is attached to the inner side of the lifting lug 9 and is tightly matched with the threaded hole II 22 through a gasket II 6 and a bolt II 8; the other side of the fixing plate 2 is attached to the inner side of the lifting lug 9 and is tightly matched with the threaded hole II 22 through a gasket II 6 and a bolt II 8.
Example two:
because of manufacturing reason the inboard size of two lugs can have the error, for guaranteeing that the fixed plate can fix smoothly, the length of fixed plate will be less than the inboard size of two lugs. The length of one of them axle sleeve is greater than the width of lug, and axle sleeve one end can stretch out the lug medial surface and support mounting panel one side, screws up the bolt after, and fixed plate one side can be supported by the axle sleeve end, guarantees that the fixed plate is fixed to guarantee the reliable and stable of vice counter weight. The specific scheme is as follows:
the fastening piece I is II 8, a washer II 6 and a shaft sleeve 7; one side of the fixed plate 2 is attached to the inner side of the lifting lug 9 and is tightly matched with the threaded hole II 22 through a gasket II 6 and a bolt II 8; an inner hole of a lifting lug on the other side of the fixing plate 2 is penetrated with a shaft sleeve 7, the front end of the shaft sleeve 7 is abutted to the fixing plate 2, and the front end of the shaft sleeve 7 is tightly matched with a threaded hole II 22 through a bolt II 8.
Continuing to refer to fig. 2, the top surface of the fixing plate 2 is provided with a plurality of threaded holes i 21, and the auxiliary counterweight 3 is provided with through holes 31 concentric with the threaded holes i 21; fastener II is bolt I4 and packing ring I5, through I4 of bolt, I5 of packing ring and the I21 fastening cooperation of screw hole.
As the utility model discloses an optimization scheme: the auxiliary balance weight 3 is also provided with a hoisting hole 33 for hoisting.
In a preferred embodiment, the number of the hoisting holes 33 is two, and the two hoisting holes are respectively arranged on two sides of the auxiliary counterweight 3.
As the utility model discloses an optimization scheme: the outer side surfaces of the balance weight 1 and the auxiliary balance weight 3 are arc-shaped surfaces.
To sum up, the utility model provides a counterweight assembly realizes through fixed plate, packing ring, axle sleeve, bolt that the installation of vice counter weight is fixed, has solved and has changed the counter weight or welded problem on the counter weight in original scheme, reduces user's cost, eliminates the potential safety hazard.
The utility model discloses an excavator installs foretell counter weight component.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (9)
1. A counterweight assembly, comprising:
the top surface of the counterweight is provided with two lifting lugs which are arranged at intervals;
the auxiliary counterweight is provided with two assembling holes corresponding to the lifting lugs, and a long-shaped groove is formed in the bottom surface of the auxiliary counterweight between the two assembling holes;
and the connecting part is arranged between the two lifting lugs and is connected with the lifting lugs through the fastening piece I, after the auxiliary counterweight is assembled on the counterweight, the lifting lugs penetrate into the assembling holes, and the connecting part falls into the elongated groove and is connected with the auxiliary counterweight through the fastening piece II.
2. A counterweight assembly in accordance with claim 1 wherein:
the connecting part is a fixing plate, two side faces of the fixing plate are respectively provided with a threaded hole, and after the fixing plate is placed on the balance weight between the two lifting lugs, the threaded holes on the two sides are respectively concentric with the inner holes of the corresponding lifting lugs.
3. A counterweight assembly in accordance with claim 2 wherein:
the fastener I is a bolt and a washer;
one side of the fixing plate is attached to the inner side of the lifting lug and is tightly matched with the threaded hole through the gasket and the bolt;
the other side of the fixing plate is attached to the inner side of the lifting lug and is in fastening fit with the threaded hole through the gasket and the bolt.
4. A counterweight assembly in accordance with claim 2 wherein:
the fastening piece I is a bolt, a washer and a shaft sleeve;
one side of the fixing plate is attached to the inner side of the lifting lug and is tightly matched with the threaded hole through the gasket and the bolt;
the inner hole of the lifting lug at the other side of the fixed plate is penetrated with a shaft sleeve, the front end of the shaft sleeve is abutted against the fixed plate and is tightly matched with the threaded hole through a bolt.
5. A counterweight assembly in accordance with claim 2 wherein:
the top surface of the fixed plate is provided with a plurality of threaded holes, and the auxiliary counter weight is provided with through holes concentric with the threaded holes;
and the fastening piece II is a bolt and a washer and is tightly matched with the threaded hole through the bolt and the washer.
6. A counterweight assembly in accordance with claim 1 wherein:
and the auxiliary balance weight is also provided with a hoisting hole for hoisting.
7. A counterweight assembly in accordance with claim 6 wherein:
the number of the hoisting holes is two, and the two hoisting holes are respectively arranged on two sides of the auxiliary balance weight.
8. A counterweight assembly in accordance with claim 1 wherein:
the outer side surfaces of the balance weight and the auxiliary balance weight are arc-shaped surfaces.
9. An excavator, characterized in that:
a weight assembly according to any one of claims 1 to 8 is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584783.8U CN215166005U (en) | 2021-03-23 | 2021-03-23 | Counterweight assembly and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120584783.8U CN215166005U (en) | 2021-03-23 | 2021-03-23 | Counterweight assembly and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215166005U true CN215166005U (en) | 2021-12-14 |
Family
ID=79352144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120584783.8U Active CN215166005U (en) | 2021-03-23 | 2021-03-23 | Counterweight assembly and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215166005U (en) |
-
2021
- 2021-03-23 CN CN202120584783.8U patent/CN215166005U/en active Active
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