CN211312641U - Energy-saving structure of multiple action arms of excavator - Google Patents
Energy-saving structure of multiple action arms of excavator Download PDFInfo
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- CN211312641U CN211312641U CN201921867606.XU CN201921867606U CN211312641U CN 211312641 U CN211312641 U CN 211312641U CN 201921867606 U CN201921867606 U CN 201921867606U CN 211312641 U CN211312641 U CN 211312641U
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Abstract
The utility model relates to an energy-conserving technical field of excavator, concretely relates to excavator multi-action arm energy-saving structure, including the big arm of swing arm, swing arm forearm, forearm hydro-cylinder, big arm energy-saving counter weight, the afterbody of the big arm of swing arm is equipped with big arm energy-saving counter weight, the front portion of the big arm of swing arm is articulated with the swing arm forearm through forearm swizzle axle, be equipped with the forearm hydro-cylinder between big arm of swing arm and the swing arm forearm, still include the energy-conserving counter weight of forearm, the afterbody of swing arm forearm is equipped with the energy-conserving counter weight of forearm, front end equipment is connected to the front portion of swing arm forearm, the energy-conserving counter weight of forearm, swing arm forearm and front end equipment form lever structure, lever structure's fulcrum is forearm swi. The utility model discloses do not need extra drive mechanism, structural safety is high, and the maintenance cost is low, can increase or reduce energy-conserving counter weight at any time and realize the energy-conserving demand of excavator according to the operating mode is required, and strong adaptability, the adjustment of also being convenient for adapts to the full operating mode work demand of excavator, and energy-conserving effect is obvious.
Description
Technical Field
The utility model relates to an energy-conserving technical field of excavator, concretely relates to excavator multi-action arm energy-saving structure.
Background
When the excavator is used for excavating, working conditions such as excavating, unloading and the like are required to be realized through ceaselessly lifting and descending the movable arm mechanism. However, the excavator's actuator has a very large mass, which requires a large amount of additional energy to overcome the additional weight, and thus a large amount of energy is consumed. In order to reduce the energy consumption, an energy-saving counterweight is arranged at the tail part of the movable arm large arm in the prior art, and the energy-saving counterweight offsets the energy loss caused by the over-heavy dead weight of the movable arm mechanism in a lever mode through the movable arm large arm.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an excavator multi-action arm energy-saving structure, through set up energy-conserving counter weight on multi-action arm, realize that excavator swing arm mechanism promotes and the energy-conserving demand of full operating mode of decline, reach the purpose that reduces the excavator energy consumption and be too high.
The utility model provides a technical scheme that its technical problem adopted is:
the multi-action arm energy-saving structure of the excavator comprises a movable arm large arm, a movable arm small arm, a small arm oil cylinder and a large arm energy-saving counterweight, wherein the tail part of the movable arm large arm is provided with the large arm energy-saving counterweight, the front part of the movable arm large arm is hinged with the movable arm small arm through a small arm main pin shaft, the small arm oil cylinder is arranged between the movable arm large arm and the movable arm small arm, the multi-action arm energy-saving structure further comprises a small arm energy-saving counterweight, the tail part of the movable arm small arm is provided with the small arm energy-saving counterweight, the front part of the movable arm small arm is connected with a front end working device, the small arm energy-saving counterweight, the movable arm small arm and the front.
Front-end working devices in the context of this application include excavator working devices such as excavator buckets, hydraulic hammers, hydraulic shears, hydraulic clamps or dobby working devices.
The small arm oil cylinder in the application is an oil cylinder for driving the movable arm and the small arm to rotate around the small arm main pin shaft.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, beneficial effect is:
the energy-saving counterweight device is suitable for the working requirements of the excavator under all working conditions, is low in maintenance cost, can increase or reduce the energy-saving counterweight at any time according to the requirements of the working conditions, realizes the energy-saving requirements of the excavator under various working conditions, is high in adaptability, convenient to adjust and obvious in energy-saving effect.
Preferably, the present invention further provides:
the movable arm small arm comprises a small arm main arm and a small arm tail arm, a small arm energy-saving counterweight is arranged at the tail part of the small arm tail arm, the front part of the small arm tail arm is hinged with the tail part of the small arm main arm, a small arm tail arm angle adjusting oil cylinder is hinged between the small arm tail arm and the small arm main arm, and the front part of the small arm main arm is connected with a front end working device.
The movable arm small arm comprises a small arm main arm and a small arm tail arm, a small arm energy-saving counterweight is arranged at the tail part of the small arm tail arm, the front part of the small arm tail arm is connected with the tail part of the small arm main arm in a sleeved mode, a small arm tail arm telescopic oil cylinder is connected between the small arm tail arm and the small arm main arm, and the front part of the small arm main arm is connected with a front end working device.
The roller is arranged between the telescopic parts of the small arm tail arm and the small arm main arm in a sleeved mode, and is used for reducing friction resistance when the small arm tail arm and the small arm main arm are mutually telescopic.
The movable arm forearm comprises a forearm main arm and a forearm tail arm, the forearm tail arm comprises a movable section and a telescopic section, the tail of the telescopic section of the forearm tail arm is provided with a forearm energy-saving counterweight, the front part of the telescopic section of the forearm tail arm is connected with the tail of the movable section of the forearm tail arm in a sleeved mode, a forearm tail arm telescopic oil cylinder is connected between the telescopic section of the forearm tail arm and the movable section of the forearm tail arm, the front part of the movable section of the forearm tail arm is hinged with the tail of the forearm main arm, a forearm tail arm angle adjusting oil cylinder is hinged between the forearm main arm and the movable section of the forearm tail arm, and the front part of the forearm main arm is connected with a front end working device.
The roller is arranged between the telescopic section of the small arm tail arm and the telescopic part of the movable section in a sleeved mode, and is used for reducing friction resistance during stretching.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is a schematic structural view of embodiment 3;
FIG. 4 is a schematic structural view of example 4;
FIG. 5 is a top view of the structure of example 5;
FIG. 6 is a schematic view of a multi-section boom arm structure;
in the figure: 1-a cab; 2-a movable arm big arm; 2 a-big arm main arm; 2 b-big arm tail arm; 2 c-forearm of big arm; 3-a large arm oil cylinder; 4-a traveling mechanism; 5-a vehicle body; 6-forearm main pin shaft; 7-a small arm oil cylinder; 8-a boom forearm; 8 a-forearm main arm; 8 b-forearm caudal arm; 8 c-a forearm caudal arm active segment; 8 e-a small arm tail arm telescopic section; 9-small arm energy-saving counterweight; 10-a small arm tail arm angle adjusting oil cylinder; 11-a small arm tail arm telescopic oil cylinder; 12-a bucket; 13-bucket cylinder; 14-a limiting block; 15-a roller; 16-big arm energy-saving counterweight; 17-a boom mechanism support arm; 18-a support arm cylinder; 19-big arm king pin shaft; and 20-a big arm tail arm angle adjusting oil cylinder.
Detailed Description
The present invention will be described in detail with reference to the following embodiments shown in the drawings.
For a complete understanding of the present invention, numerous names of components are set forth in the following detailed description, and it will be understood by those skilled in the art that, for example, boom arm 2 and boom arm 8 may be referred to as an action arm, and thus in the embodiments, well-known excavator configurations, components and mechanism names are not described in detail so as not to unnecessarily obscure the embodiments.
Example 1:
as shown in FIG. 1, the excavator comprises a movable arm big arm 2, a small arm king pin shaft 6, a small arm oil cylinder 7, a movable arm small arm 8, a small arm energy-saving counterweight 9 and a large arm energy-saving counterweight 16, wherein the movable arm big arm 2 is hinged with the upper end of a movable arm mechanism supporting arm 17 through a big arm king pin shaft 19, the tail part of the movable arm big arm 2 is provided with the large arm energy-saving counterweight 16, the movable arm big arm 2 and the large arm energy-saving counterweight 16 form a lever structure taking the big arm king pin shaft 19 as a fulcrum, the front part of the movable arm big arm 2 is hinged with the movable arm small arm 8 through the small arm king pin shaft 6, the small arm oil cylinder 7 is hinged between the movable arm big arm 2 and the movable arm small arm 8, the small arm energy-saving counterweight 9 is arranged at the tail part of the movable arm small arm 8, the front part of the movable arm small arm 8 is provided with front end working devices such as a bucket 12 and a bucket oil cylinder 13 in, for example, a hydraulic hammer, a hydraulic shear, a hydraulic clamp, a multi-arm working device and the like, the small arm energy-saving counterweight 9, the front end working device and the movable arm small arm 8 form a lever structure, the fulcrum of the lever structure is the position of a small arm main pin shaft 6, the movable arm small arm 8 rotates around the small arm main pin shaft 6 through the extension and contraction of the small arm oil cylinder 7, the structure utilizes the small arm energy-saving counterweight 9 to offset the gravity of a mechanism at the front part of the movable arm small arm 8, and the large arm energy-saving counterweight 16 offsets the gravity of a mechanism at the front part of the movable arm large arm 2, so that the structure can meet the optimal energy-saving requirement when the excavator is constructed, and meanwhile, the structure is convenient for the transformation of the existing excavator action arm and is beneficial.
Based on the above basic structure, the following embodiments may be preferred:
example 2:
as shown in fig. 2, the movable arm big arm 2 comprises a big arm main arm 2a and a big arm tail arm 2b, the movable arm small arm 8 comprises a small arm main arm 8a and a small arm tail arm 8b, the tail part of the big arm tail arm 2b is provided with a big arm energy-saving counterweight 16, the front end of the big arm tail arm 2b is hinged with the tail end of the big arm main arm 2a, a big arm tail arm angle adjusting oil cylinder 20 is hinged between the big arm main arm 2a and the big arm tail arm 2b, when the big arm tail arm angle adjusting oil cylinder 20 is locked, the big arm main arm 2a, the big arm tail arm 2b and the big arm energy-saving counterweight 16 form a lever structure taking a big arm main pin shaft 19 as a pivot, the front part of the big arm main arm 2a is hinged with the small arm main arm 8a through a small arm main pin shaft 6, the front end of the small arm tail arm 8b is hinged with the small arm main arm 8a, the small arm tail arm 8b is hinged with a small arm tail arm angle adjusting oil cylinder 10, the tail arm counterweight 9 is mounted, when the small arm tail arm angle adjusting oil cylinder 10 is locked, the small arm energy-saving counterweight 9, the small arm main arm 8a and the small arm tail arm 8b form a lever structure by taking the small arm main pin shaft 6 as a fulcrum, the lever structure of the movable arm large arm 2 is matched, so that the excavator can meet the optimal energy-saving requirement during construction, simultaneously, the included angle of the large arm tail arm 2b relative to the large arm main arm 2a can be adjusted by the large arm tail arm angle adjusting oil cylinder 20, the included angle of the small arm tail arm 8b relative to the small arm main arm 8a can be adjusted by the small arm tail arm angle adjusting oil cylinder 10, the adjusting structure can adapt to different construction space requirements, the trafficability of the excavator during transportation is enhanced, in the figure, a limiting block 14 is arranged between the large arm main arm 2a and the small arm tail arm 8b to prevent the small arm tail arm 8b from colliding with the large arm main arm 2a when moving downwards, the limiting block 14 can be made of rubber, the service time is prolonged; the embodiment does not relate to the independent adjustment and movement of the small arm energy-saving counterweight 9, so that the small arm energy-saving counterweight 9 can be fixedly arranged at the tail part of the small arm tail arm 8b, and other more reliable connection modes can be adopted.
Example 3:
as shown in fig. 3, the movable arm forearm 8 includes a forearm main arm 8a and a forearm tail arm 8b, the front end of the forearm tail arm 8b is built in the tail of the forearm main arm 8a, a forearm tail arm telescopic cylinder 11 is connected between the forearm tail arm 8b and the forearm main arm 8a, a roller 15 is built between the forearm tail arm 8b and the telescopic part of the forearm main arm 8a for reducing the frictional resistance of the forearm tail arm 8b when the forearm tail arm 8a is telescopic in the forearm main arm 8a, a forearm energy-saving counterweight 9 is mounted at the tail of the forearm tail arm 8b, the position of the forearm energy-saving counterweight 9 can be adjusted by the telescopic part of the forearm tail arm telescopic cylinder 11, thereby changing the moment arm of the lever structure of the movable arm forearm, meeting the energy-saving requirements in different operations, being capable of adapting to the energy-saving requirements in the external load change during construction better than embodiment 2, and being capable of meeting the construction requirements in the narrow space of the excavator by adjustment, and during transportation, the requirement on the height of the excavator is met, and the trafficability of the excavator during transportation is enhanced.
Example 4:
as shown in fig. 4, the movable arm boom 8 includes a boom main arm 8a and a boom tail arm 8b, the boom tail arm 8b includes a boom tail arm movable section 8c and a boom tail arm telescopic section 8e, the front end of the boom tail arm movable section 8c is hinged with the tail end of the boom main arm 8a, a boom tail arm angle adjusting cylinder 10 is hinged between the boom main arm 8a and the boom tail arm movable section 8c, the front end of the boom tail arm telescopic section 8e is built in the tail end of the boom tail arm movable section 8c, a boom tail arm telescopic cylinder 11 is connected between the boom tail arm movable section 8c and the boom tail arm telescopic section 8e, a boom energy saving counter weight 9 is mounted at the tail end of the boom tail arm telescopic section 8e, in order to reduce the telescopic frictional resistance of the boom tail arm movable section 8c and the boom tail arm telescopic section 8e, a boom tail arm movable section 8c and a boom tail arm telescopic section 8e are built in between the boom tail arm movable section 8c and the boom tail arm telescopic section 8e, the roller 15 is integrated with the advantages of embodiment 2 and the embodiment 3, the excavator can better adapt to the energy-saving requirements under various different working conditions, and the requirement on the height of the excavator in the working and transportation process is better met; this embodiment does not relate to the flexible adjustment removal alone of the energy-conserving counter weight 9 of forearm, therefore the energy-conserving counter weight 9 of forearm both can install at the flexible section 8e afterbody of forearm tail arm by fixed mode, also can adopt other more reliable connected modes, for example, link into an integrated entity the energy-conserving counter weight 9 of forearm tail arm with the flexible section 8e of forearm tail arm, form an overall structure, or pack the counter weight material in the flexible section 8e of forearm tail arm to reach the mesh of counter weight.
Example 5:
as shown in FIG. 5, in the figure, the tail part of the movable arm small arm 8 is distributed at two sides of the movable arm large arm 2, and the small arm energy-saving counter weights 9 are distributed at two sides of the tail part of the movable arm small arm 8, so that the structure increases the angular movable range of the movable arm small arm 8, enables the stress distribution of the movable arm mechanism to be uniform, and prolongs the service life of the excavator movable arm mechanism.
Fig. 6 is a schematic diagram of an excavator with a multi-section movable arm, wherein the movable arm 2 comprises a main arm 2a, a tail arm 2b and a front arm 2c, the front arm 2c is hinged with the main arm 8a through a main pin 6, and a small arm cylinder 7 is hinged between the front arm 2c and the main arm 8 a.
The utility model provides a lever structure that energy-conserving counter weight and action arm constitute not only can be applied to the excavator that has 2 and 8 structures of swing arm forearm, and its energy-conserving counter weight also can be applied to other action arms that have more action arm excavators above, by energy-conserving lever structure of energy-conserving counter weight and this arm constitution, offset the weight of this action arm fulcrum opposite side through energy-conserving counter weight, realize the energy-conserving demand under different work occasions.
It should be noted that the application of the present invention is not limited to the energy saving excavator in which the boom arm is connected to the swing arm support arm.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (6)
1. The utility model provides an excavator multi-action arm energy-saving structure, includes swing arm big arm, swing arm forearm, forearm hydro-cylinder, big arm energy-saving counter weight, and the afterbody of swing arm big arm is equipped with big arm energy-saving counter weight, and the front portion of swing arm big arm is articulated with swing arm forearm through forearm swizzle axle, is equipped with forearm hydro-cylinder, its characterized in that between swing arm big arm and the swing arm forearm: the energy-saving counterweight device comprises a movable arm and is characterized by further comprising a small arm energy-saving counterweight, the tail part of the movable arm small arm is provided with the small arm energy-saving counterweight, the front part of the movable arm small arm is connected with a front end working device, the small arm energy-saving counterweight, the movable arm small arm and the front end working device form a lever structure, and a fulcrum of the lever structure is a small arm main pin shaft.
2. The excavator multi-action arm energy saving structure of claim 1, wherein: the movable arm small arm comprises a small arm main arm and a small arm tail arm, a small arm energy-saving counterweight is arranged at the tail part of the small arm tail arm, the front part of the small arm tail arm is hinged with the tail part of the small arm main arm, a small arm tail arm angle adjusting oil cylinder is hinged between the small arm tail arm and the small arm main arm, and the front part of the small arm main arm is connected with a front end working device.
3. The excavator multi-action arm energy saving structure of claim 1, wherein: the movable arm small arm comprises a small arm main arm and a small arm tail arm, a small arm energy-saving counterweight is arranged at the tail part of the small arm tail arm, the front part of the small arm tail arm is connected with the tail part of the small arm main arm in a sleeved mode, a small arm tail arm telescopic oil cylinder is connected between the small arm tail arm and the small arm main arm, and the front part of the small arm main arm is connected with a front end working device.
4. The excavator multi-action arm energy saving structure of claim 3, wherein: the roller is arranged between the telescopic parts of the small arm tail arm and the small arm main arm in a sleeved mode, and is used for reducing friction resistance when the small arm tail arm and the small arm main arm are mutually telescopic.
5. The excavator multi-action arm energy saving structure of claim 1, wherein: the movable arm forearm comprises a forearm main arm and a forearm tail arm, the forearm tail arm comprises a movable section and a telescopic section, the tail of the telescopic section of the forearm tail arm is provided with a forearm energy-saving counterweight, the front part of the telescopic section of the forearm tail arm is connected with the tail of the movable section of the forearm tail arm in a sleeved mode, a forearm tail arm telescopic oil cylinder is connected between the telescopic section of the forearm tail arm and the movable section of the forearm tail arm, the front part of the movable section of the forearm tail arm is hinged with the tail of the forearm main arm, a forearm tail arm angle adjusting oil cylinder is hinged between the forearm main arm and the movable section of the forearm tail arm, and the front part of the forearm main arm is connected with a front end working device.
6. The excavator multi-action arm energy saving structure of claim 5, wherein: the roller is arranged between the telescopic section of the small arm tail arm and the telescopic part of the movable section in a sleeved mode, and is used for reducing friction resistance during stretching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867606.XU CN211312641U (en) | 2019-11-01 | 2019-11-01 | Energy-saving structure of multiple action arms of excavator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867606.XU CN211312641U (en) | 2019-11-01 | 2019-11-01 | Energy-saving structure of multiple action arms of excavator |
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| CN211312641U true CN211312641U (en) | 2020-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021012630A1 (en) * | 2019-07-20 | 2021-01-28 | 董志强 | Energy-saving excavator |
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- 2019-11-01 CN CN201921867606.XU patent/CN211312641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021012630A1 (en) * | 2019-07-20 | 2021-01-28 | 董志强 | Energy-saving excavator |
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