CN213897290U - Modularization counter weight and excavator - Google Patents
Modularization counter weight and excavator Download PDFInfo
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- CN213897290U CN213897290U CN202022151425.6U CN202022151425U CN213897290U CN 213897290 U CN213897290 U CN 213897290U CN 202022151425 U CN202022151425 U CN 202022151425U CN 213897290 U CN213897290 U CN 213897290U
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Abstract
The utility model relates to a counterweight, in order to solve the problems that the weight of the existing integral counterweight is not easy to adjust and the weight is too large and difficult to hoist during installation, the utility model constructs a modular counterweight and excavator, wherein the modular counterweight is formed by stacking a plurality of counterweight blocks from front to back, each counterweight block is plate-shaped, and the rear side surface of the counterweight block is provided with a plurality of threaded holes and a plurality of installation holes which are communicated from front to back; in two adjacent balancing weights, the rear balancing weight is fixedly connected with the front balancing weight through a bolt, and the bolt penetrates through a mounting hole of the rear balancing weight to be connected with a threaded hole in the front balancing weight in a matched mode. The utility model discloses in, when needing to adjust counter weight, can increase or reduce the balancing weight piece by piece, the weight of counter weight is adjusted conveniently.
Description
Technical Field
The utility model relates to a counter weight, more specifically say, relate to a modularization counter weight and excavator.
Background
The counterweight is a component of the hydraulic excavator, and has the functions of keeping the balance of the excavator during work and reducing the shaking of the excavator during work. At present, the excavator counterweight mostly adopts an integral counterweight and is fixed on a tail platform of the excavator by bolts.
The existing excavator counter weight is fixed on a tail platform of the excavator by bolts, and the problem that the tail is tilted during operation or the existing counter weight is insufficient to lift a heavy object due to insufficient counter weight exists in partial working conditions, so that the heavy counter weight needs to be redesigned, and the product adaptability is poor; the integral counter weight of part of large-tonnage models has heavy weight, and the difficulty of counter weight hoisting is caused by the limitation of hoisting tonnage of hoisting tools.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the too big problem that is difficult to hoist and mount of weight when the weight of current integral counter weight is difficult for adjusting and installing, and provide a modularization counter weight and excavator to conveniently lift by crane when the counter weight installation, and conveniently adjust the weight of counter weight.
The utility model discloses a realize that the technical scheme of its purpose is like: constructing a modular counterweight, which is characterized in that the modular counterweight is formed by stacking a plurality of clump weights in a front-back manner, each clump weight is plate-shaped, and a plurality of threaded holes and a plurality of mounting holes which are communicated in the front-back manner are formed in the back side surface of each clump weight; in two adjacent balancing weights, the rear balancing weight is fixedly connected with the front balancing weight through a bolt, and the bolt penetrates through a mounting hole of the rear balancing weight to be connected with a threaded hole in the front balancing weight in a matched mode. The utility model discloses in, when needing to adjust counter weight, can increase or reduce the balancing weight piece by piece, the weight of counter weight is adjusted conveniently.
In the above-mentioned modularization counter weight, in two adjacent balancing weights, be provided with the bearing portion that is used for supporting the rear side balancing weight on the balancing weight of front side, be provided with on the balancing weight of rear side be used for with the supporting part of bearing portion complex on the balancing weight of front side, two adjacent balancing weights, the bearing portion on the balancing weight of front side cooperates and realizes the support to the balancing weight of rear side with the supporting part of rear side balancing weight, the weight of the rear side balancing weight that makes is undertaken by the balancing weight of front side, reduce the effort that bears on the connecting bolt between two adjacent balancing weights.
In the modular counterweight, the supporting part is composed of a convex block which is arranged on the rear side surface of the counterweight block and protrudes backwards, and the supporting part is composed of a concave part which is arranged on the front side surface of the counterweight block and is matched with the convex block on the front counterweight block; or the bearing part is a concave part which is arranged at the rear side surface of the balancing weight and is concave forwards; the supporting part is composed of a convex block which is arranged on the front side surface of the balancing weight and is concavely matched with the rear side surface of the front balancing weight.
In the above modular counterweight, the support part may further comprise a hook extending from the front side of the counterweight block, the support part is matched with the hook of the counterweight block at the rear side, and the support part may be a hanging ring, a hanging rod, a hole, a groove, a recess, or the like. Further, the supporting part is arranged at the top of the balancing weight, and the supporting part is formed by a groove arranged on the balancing weight at the front side.
In the modular counterweight, the top of each counterweight block is provided with a lifting lug for lifting. When the balancing weight is disassembled and assembled, the lifting lug is used for lifting the balancing weight.
The utility model discloses a realize that the technical scheme of its purpose is like: the excavator is characterized in that a counterweight mounting frame is arranged at the rear part of a platform of the excavator, the excavator is provided with the modular counterweight, and the modular counterweight is fixedly mounted on the counterweight mounting frame.
In the excavator, the counterweight mounting frame is provided with a supporting part matched with the supporting part on the frontmost counterweight block.
Compared with the prior art, the utility model can increase or decrease the counter weight block by block when the weight of the counter weight needs to be adjusted, and the original fixed counter weight block does not need to be disassembled when the counter weight is increased; when the weight of the counterweight is reduced, only the disassembled counterweight block is involved, and the counterweight block before the disassembled counterweight block is not involved, so that the weight of the counterweight is convenient to adjust.
Drawings
Fig. 1 is a schematic structural view of the modular counterweight of the present invention.
Fig. 2 is the schematic diagram of the structure of the counterweight block in the modular counterweight of the present invention.
Fig. 3 is a schematic structural view of another counterweight block in the modular counterweight of the present invention.
Fig. 4 is an exploded view of the connection structure between the balancing weights in the modular counterweight of the present invention.
Fig. 5 is a rear partial view of the excavator of the present invention.
Fig. 6 is a schematic view of the connection structure of the modular counterweight in the excavator of the present invention.
Part names and serial numbers in the figure:
Detailed Description
The following description of the embodiments refers to the accompanying drawings.
Fig. 1 shows the structure of a modular weight 10 in the present embodiment, and the modular weight 10 is formed by connecting a plurality of weight blocks 1 in a tandem manner. As shown in fig. 2 to 4, each weight 1 has a plate shape and has the same or similar profile. The rear side surface of the balancing weight 1 is provided with a plurality of threaded holes 12 and a plurality of mounting holes 11 which are through from front to back. In two adjacent balancing weights, the rear balancing weight is fixedly connected with the front balancing weight through a bolt 2, and the bolt 2 penetrates through a mounting hole 11 of the rear balancing weight to be connected with a threaded hole 12 in the front balancing weight in a matching manner.
In this embodiment, in two adjacent balancing weights, the front balancing weight is provided with a supporting portion 13 for supporting the rear balancing weight, and the rear balancing weight is provided with a supporting portion 14 for cooperating with the supporting portion 13 of the front balancing weight. For a certain balancing weight (this balancing weight), it belongs to the balancing weight of the rear side for the balancing weight located at the front side of this balancing weight, and belongs to the balancing weight of the front side for the balancing weight located at the rear side of this balancing weight. Therefore all be provided with supporting part 14 and supporting part 13 in every balancing weight, wherein supporting part 14 with be located the balancing weight of this balancing weight front side on supporting part 13 cooperation, realize that the weight of this balancing weight is supported by the balancing weight of front side and is lifted, and supporting part 13 on this balancing weight is with being located the supporting part 14 cooperation on the balancing weight of this balancing weight rear side, realize supporting the weight of the balancing weight of rear side.
In this embodiment, the supporting portion 13 and the supporting portion 14 of the weight block 1 can take various forms, as shown in fig. 2 and fig. 3, the supporting portion 14 can be a hook disposed on the top of the weight block and extending forward, and the supporting portion 13 can be a recess disposed on the top of the weight block. On the same counterweight, the bearing part 13 is located behind the supporting part 14. When two adjacent balancing weights are connected, the hook on the rear balancing weight is matched with the recess on the front balancing weight, so that the weight of the rear balancing weight is directly borne by the front balancing weight. The hook on the rear-side balancing weight is matched with the front-side balancing weight in a concave mode, the weight of the rear-side balancing weight can be directly borne by the front-side balancing weight, and the positioning of the rear-side balancing weight and the front-side balancing weight when the rear-side balancing weight is connected can be achieved. The bearing part and the supporting part on the balancing weight can also adopt other forms, for example, the supporting part is arranged on the front side surface of the balancing weight, the bearing part is arranged on the rear side surface of the balancing weight, and the bearing part can be a hanging ring matched with the hook, a groove or other structures matched with the hook. The supporting part can also be a convex block which is arranged on the rear side surface of the balancing weight and protrudes backwards, and the supporting part is a concave part which is arranged on the front side surface of the balancing weight and is matched with the convex block on the front balancing weight; or the supporting part can also be a concave part which is arranged on the rear side surface of the balancing weight and is concave forwards, and the supporting part is a convex block which is arranged on the front side surface of the balancing weight and is convex forwards and concave upwards.
The top of each balancing weight is provided with a lifting lug 15 for lifting and using when the balancing weight is installed and disassembled.
In this embodiment, the mounting hole 11 of the weight block is a countersunk through hole for matching with the bolt 2. In two adjacent balancing weights, the mounting hole of rear side balancing weight aligns with the screw hole coaxial on the balancing weight of front side, as shown in fig. 4, bolt 2 passes the mounting hole on the balancing weight and is connected with the screw hole screw-thread fit on the balancing weight of front side, realizes two adjacent balancing weights fixed connection.
Fig. 5 shows a partial view of the rear of an excavator in this embodiment in which the modular counterweight 10 of this embodiment is mounted to the rear of the excavator platform 4. As shown in fig. 6, a counterweight mounting frame 41 is disposed at the rear of the excavator platform 4, the front-most counterweight 1 of the modular counterweight 10 is fixed on the counterweight mounting frame 41 by the bolt and nut 3 in the mounting hole, and the top of the counterweight mounting frame 41 forms a bearing part 13 which is matched with the supporting part 14 on the front-most counterweight 1 of the modular counterweight 10 to support the counterweight.
In the utility model, when the weight of the counterweight needs to be adjusted, the counterweight blocks can be increased or decreased one by one, and when the counterweight is increased, the counterweight blocks which are originally installed and fixed do not need to be disassembled; when the weight of the counterweight is reduced, only the disassembled counterweight block is involved, and the counterweight block before the disassembled counterweight block is not involved, so that the weight of the counterweight is convenient to adjust.
Claims (8)
1. A modular counterweight is characterized in that the modular counterweight is formed by stacking a plurality of counterweight blocks in a front-back manner, each counterweight block is plate-shaped, and a plurality of threaded holes and a plurality of mounting holes which are communicated in the front-back manner are formed in the back side surface of each counterweight block; in two adjacent balancing weights, the rear balancing weight is fixedly connected with the front balancing weight through a bolt, and the bolt penetrates through a mounting hole of the rear balancing weight to be connected with a threaded hole in the front balancing weight in a matched mode.
2. The modular balance weight of claim 1, wherein the front weight block of two adjacent weight blocks has a support portion for supporting the rear weight block, and the rear weight block has a support portion for engaging with the support portion of the front weight block.
3. The modular weight of claim 2, wherein the support portion is formed by a rearwardly projecting projection provided on a rear side of the weight, and the support portion is formed by a recess provided on a front side of the weight to engage with the projection provided on the front weight; or the supporting part is a concave part which is arranged on the rear side surface of the balancing weight and faces forwards, and the supporting part is formed by a convex block which is arranged on the front side surface of the balancing weight and is matched with the concave part on the rear side surface of the front balancing weight.
4. The modular weight of claim 2, wherein the support portion is formed by a hook extending to the front side of the weight, and the support portion is engaged with the hook of the weight on the rear side.
5. The modular weight of claim 4, wherein the support portion is disposed on top of the weight block, the support portion being formed by a groove disposed on a front weight block.
6. The modular balance weight according to any one of claims 1 to 5, wherein a lifting lug for lifting is provided on the top of each balance weight.
7. An excavator, wherein a counterweight mounting is provided at the rear of the platform of the excavator, the excavator having a modular counterweight as claimed in any one of claims 1 to 6, said modular counterweight being fixedly mounted on said counterweight mounting.
8. The excavator of claim 7 wherein the counterweight mounting bracket is provided with a bearing portion for engaging a support portion on the forwardmost counterweight block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151425.6U CN213897290U (en) | 2020-09-27 | 2020-09-27 | Modularization counter weight and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151425.6U CN213897290U (en) | 2020-09-27 | 2020-09-27 | Modularization counter weight and excavator |
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| CN213897290U true CN213897290U (en) | 2021-08-06 |
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| CN202022151425.6U Active CN213897290U (en) | 2020-09-27 | 2020-09-27 | Modularization counter weight and excavator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163746A (en) * | 2022-06-17 | 2022-10-11 | 中航西安飞机工业集团股份有限公司 | Counterweight balancing device and counterweight balancing method in aircraft assembly process |
-
2020
- 2020-09-27 CN CN202022151425.6U patent/CN213897290U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163746A (en) * | 2022-06-17 | 2022-10-11 | 中航西安飞机工业集团股份有限公司 | Counterweight balancing device and counterweight balancing method in aircraft assembly process |
| CN115163746B (en) * | 2022-06-17 | 2023-07-21 | 中航西安飞机工业集团股份有限公司 | Counterweight balancing device and counterweight balancing method in aircraft assembly process |
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