CN211646516U

CN211646516U - Energy-saving excavator

Info

Publication number: CN211646516U
Application number: CN201922307138.7U
Authority: CN
Inventors: 董志强; 董竞仪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-10-09
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a building engineering machinery specifically is an energy-conserving excavator, which comprises a carriage body, first swing arm, the second swing arm, second swing arm king pin axle, first swing arm lower extreme is articulated with the automobile body, first swing arm front end is articulated through second swing arm king pin axle and second swing arm middle part, still include the energy storage jar, the energy storage ware, energy-conserving counter weight, the energy storage jar articulates between automobile body and first swing arm, energy storage jar and energy storage ware intercommunication, and, second swing arm afterbody is equipped with energy-conserving counter weight, the second swing arm uses second swing arm king pin axle as the fulcrum, make the second swing arm form lever structure, utilize the gravity of afterbody to offset the anterior gravity of fulcrum. The utility model discloses can adapt to excavator swing arm mechanism's full operating mode work demand, the structure is compacter, and the current excavator production of being convenient for reforms transform into energy-conserving excavator, can realize energy-conserving demand under excavator swing arm mechanism's the various operating modes completely simultaneously, strong adaptability, energy-conserving effect is obvious.

Description

Energy-saving excavator

Technical Field

The utility model relates to a building engineering machine specifically is an energy-conserving excavator.

Background

The excavator is an important construction engineering machine and is widely applied to various engineering projects such as engineering construction, mine excavation and the like, and when the excavator works, a large amount of energy needs to be consumed, so that the excavator is very important for developing energy conservation and consumption reduction for achieving the purposes of saving energy, reducing emission and protecting the environment. When the excavator works, working conditions such as excavation and unloading are realized by continuously 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 such energy consumption, various energy-saving excavators are disclosed in the prior art, but these energy-saving excavators cannot achieve the overall energy saving of the boom mechanism, and therefore cannot achieve the optimal energy saving effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an energy-conserving excavator realizes the comprehensive energy-conserving demand to excavator swing arm mechanism to the adaptability of reinforcing excavator to various operation operating mode and transportation requirements.

The utility model provides a technical scheme that its technical problem adopted is:

the energy-saving excavator comprises an excavator body, a first movable arm, a second movable arm and a second movable arm kingpin shaft, wherein the lower end of the first movable arm is hinged to the excavator body, the front end of the first movable arm is hinged to the middle of the second movable arm through the second movable arm kingpin shaft, the energy-saving excavator further comprises an energy storage cylinder, an energy accumulator and an energy-saving counterweight, the energy storage cylinder is hinged between the excavator body and the first movable arm and is communicated with the energy accumulator, the energy-saving counterweight is arranged at the tail part of the second movable arm, and the second movable arm takes the second movable arm kingpin shaft as a fulcrum, so that the second movable arm forms a lever structure, and gravity at the tail part.

Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, beneficial effect is:

the energy-saving excavator working condition adapting device is adaptive to the all-working-condition working requirements of the excavator movable arm mechanism, has a more compact structure, is beneficial to the production and transformation of the existing excavator into an energy-saving excavator, can completely meet the energy-saving requirements of the excavator movable arm mechanism under various working conditions, and has strong adaptability and obvious energy-saving effect.

Furthermore, the preferred scheme of the utility model is:

the second movable arm comprises a second movable arm main arm and a second movable arm tail arm, the tail part of the second movable arm tail arm is provided with an energy-saving counterweight, the front part of the second movable arm tail arm is hinged with the tail part of the second movable arm main arm, and a second movable arm tail arm angle adjusting oil cylinder is hinged between the second movable arm tail arm and the second movable arm main arm.

The movable arm second movable arm comprises a second movable arm main arm and a second movable arm tail arm, the tail of the second movable arm tail arm is provided with an energy-saving counterweight, the front part of the second movable arm tail arm is connected with the tail of the second movable arm main arm in a sleeved mode, and a second movable arm tail arm telescopic oil cylinder is connected between the second movable arm tail arm and the second movable arm main arm.

And a roller is arranged between the telescopic parts of the second movable arm tail arm and the second movable arm main arm in a sleeved mode, so that the friction resistance during mutual telescopic is reduced.

The second movable arm of the movable arm comprises a second movable arm main arm and a second movable arm tail arm, the second movable arm tail arm comprises a movable section and a telescopic section, the tail of the telescopic section of the second movable arm tail arm is provided with an energy-saving counterweight, the front part of the telescopic section of the second movable arm tail arm is connected with the tail of the movable section of the second movable arm tail arm in a sleeved mode, a second movable arm tail arm telescopic oil cylinder is connected between the telescopic section of the second movable arm tail arm and the movable section of the second movable arm tail arm, the front part of the movable section of the second movable arm tail arm is hinged with the tail of the second movable arm main arm, and a second movable arm tail arm angle adjusting oil cylinder is hinged between the second movable arm main arm and the movable section.

And a roller is arranged between the telescopic part of the second movable arm tail arm and the telescopic part of the movable section in a sleeving manner and is used for reducing the friction resistance during the telescopic process.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 4 of the present invention;

in the figure: 1-a cab; 2-boom big arm (first boom); 3-a large arm oil cylinder; 4-a traveling mechanism; 5-a vehicle body; 6-an accumulator; 7-an energy storage cylinder; 8-boom forearm (second boom); 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-energy-saving counterweight; 10-a small arm oil cylinder; 11-forearm main pin shaft; 12-a bucket; 13-bucket cylinder; 14-a pipeline; 15-a roller; 16-a small arm tail arm telescopic oil cylinder; and 17-a small 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.

In order to fully understand the present invention, numerous names of components are mentioned in the following detailed description, and it should be understood by those skilled in the art that the first boom of the energy saving excavator is the boom big arm 2 and the second boom is the boom small arm 8 as shown in the accompanying drawings, 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:

referring to fig. 1, an energy-saving excavator comprises a movable arm mechanism, an arm cylinder 3, a movable arm 8, an arm cylinder 10, a bucket 12 and a bucket cylinder 13, wherein the movable arm mechanism comprises a movable arm big arm 2, an arm cylinder 3, a movable arm small arm 8, an arm cylinder 10, a bucket 12 and a bucket cylinder 13, the excavator further comprises an energy accumulator 6, an energy storage cylinder 7 and an energy-saving counterweight 9, the lower end of the movable arm big arm 2 is hinged to a vehicle body 5, the energy storage cylinder 7 is hinged between the movable arm big arm 2 and the vehicle body 5, the energy storage cylinder 7 is communicated with the energy accumulator 6, the energy stored by the energy accumulator 6 is recovered to the energy accumulator 6 when the movable arm mechanism descends, and when the movable arm big arm 2 ascends, the energy stored by.

In fig. 1, the front end of a large movable arm 2 is hinged with the middle part of a small movable arm 8 through a small arm main pin shaft 11, a small arm oil cylinder 10 is hinged between the large movable arm 2 and the small movable arm 8, an energy-saving counterweight 9 is arranged at the tail part of the small movable arm 8, the front part of the small movable arm 8 is connected with a working device bucket 12, the energy-saving counterweight 9, the bucket 12 and the small movable arm 8 form a lever structure, the fulcrum of the lever structure is the small arm main pin shaft 11, the small arm 8 rotates around the small arm main pin shaft 11 through the expansion and contraction of the small arm oil cylinder 10, the structure utilizes the weight at the tail part of the small movable arm 8 to offset the weight of the front part mechanism of the small movable arm 8, and the aim of offsetting the whole gravity of the movable arm mechanism is achieved through the coaction with an energy storage cylinder 7 and an energy accumulator 6, therefore, the energy-saving requirement of the movable arm mechanism under, the energy-saving effect is obvious, and the device is suitable for production and transformation of the existing excavator.

Based on the above basic structure, the following embodiments may be preferred:

example 2:

as shown in fig. 2, the movable arm small arm 8 comprises a small arm main arm 8a and a small arm tail arm 8b, the front end of the movable arm large arm 2 is hinged with the small arm main arm 8a through a small arm main pin shaft 11, the front end of the small arm tail arm 8b is hinged with the tail end of the small arm main arm 8a, a small arm tail arm angle adjusting oil cylinder 17 is hinged between the small arm tail arm 8b and the small arm main arm 8a, the tail part of the small arm tail arm 8b is provided with an energy-saving counterweight 9, when the forearm tail arm angle adjusting oil cylinder 17 is locked, the energy-saving counterweight 9, the forearm main arm 8a and the forearm tail arm 8b form a lever structure by taking the forearm main pin shaft 11 as a fulcrum, so that the excavator can realize the optimal energy-saving requirement on the movable arm 8 during construction, the adjusting structure can adapt to different construction space requirements, the trafficability of the excavator during transportation is enhanced, and the energy-saving counterweight 9 can be installed at the tail of the small arm tail arm 8b in a fixed mode and can also adopt other more reliable connection modes.

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 16 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, an energy-saving counterweight 9 is arranged at the tail of the forearm tail arm 8b, the position of the energy-saving counterweight 9 is adjusted by the telescopic of the forearm tail arm telescopic cylinder 16, thereby changing the lever structure of the movable arm forearm, and meeting the energy-saving requirements in different operations, compared with embodiment 2, the energy-saving requirements in construction when the external load changes, and simultaneously meeting the construction requirements in a narrow space by adjustment, and during transportation of the excavator, 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 17 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 16 is connected between the boom tail arm movable section 8c and the boom tail arm telescopic section 8e, an energy saving counter weight 9 is mounted on the tail end of the boom tail arm telescopic section 8e, in order to reduce the telescopic friction resistance of the boom tail arm movable section 8c and the boom tail arm telescopic section 8e, the boom tail arm movable section 8c and the boom tail arm telescopic section 8e are built in between, the roller wheel of embodiment 2 and the embodiment 3 is combined, 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; energy-conserving counter weight 9 both can install at forearm postbrachium flexible section 8e afterbody by fixed mode, also can adopt other more reliable connected mode, for example, links into an integrated entity energy-conserving counter weight 9 and forearm postbrachium flexible section 8e, forms an overall structure, perhaps packs the heavy object material in forearm postbrachium flexible section 8e to reach the purpose of counter weight.

It should be noted that the utility model discloses a first movable arm and second movable arm are not limited to the excavator of two movable arms, it should also be said that, energy storage cylinder 7 can work alone, or the big arm hydro-cylinder can regard as energy storage cylinder 7 to use, and simultaneously, energy-conserving counter weight 9 plays the purpose of increasing forearm afterbody weight, and it is very obvious, increases forearm afterbody weight and can realize through the mode that increases other heavy objects completely, and its effect is the same.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and any simple modification, equivalent change and modification made by the technical entity of the present invention according to the above embodiments do not depart from the content of the technical solution of the present invention, and all belong to the scope of the technical solution of the present invention.

Claims

1. The utility model provides an energy-saving excavator, includes automobile body, first swing arm, second swing arm king pin axle, and first swing arm lower extreme is articulated with the automobile body, and first swing arm front end is articulated its characterized in that through second swing arm king pin axle and second swing arm middle part: the energy storage cylinder is hinged between the vehicle body and the first movable arm and is communicated with the energy accumulator, the energy storage counterweight is arranged at the tail of the second movable arm, the second movable arm takes a second movable arm main pin shaft as a fulcrum, the second movable arm forms a lever structure, and the gravity at the tail part is utilized to offset the gravity at the front part of the fulcrum.

2. The energy efficient excavator of claim 1, wherein: the second movable arm comprises a second movable arm main arm and a second movable arm tail arm, the tail part of the second movable arm tail arm is provided with an energy-saving counterweight, the front part of the second movable arm tail arm is hinged with the tail part of the second movable arm main arm, and a second movable arm tail arm angle adjusting oil cylinder is hinged between the second movable arm tail arm and the second movable arm main arm.

3. The energy efficient excavator of claim 1, wherein: the second movable arm comprises a second movable arm main arm and a second movable arm tail arm, the tail of the second movable arm tail arm is provided with an energy-saving counterweight, the front part of the second movable arm tail arm is connected with the tail of the second movable arm main arm in a sleeved mode, and a second movable arm tail arm telescopic oil cylinder is connected between the second movable arm tail arm and the second movable arm main arm.

4. The energy efficient excavator of claim 3, wherein: and a roller is arranged between the telescopic parts of the second movable arm tail arm and the second movable arm main arm in a sleeved mode, so that the friction resistance during mutual telescopic is reduced.

5. The energy efficient excavator of claim 1, wherein: the second movable arm comprises a second movable arm main arm and a second movable arm tail arm, the second movable arm tail arm comprises a movable section and a telescopic section, the tail of the telescopic section of the second movable arm tail arm is provided with an energy-saving counterweight, the front part of the telescopic section of the second movable arm tail arm is connected with the tail of the movable section of the second movable arm tail arm in a sleeved mode, a second movable arm tail arm telescopic oil cylinder is connected between the telescopic section of the second movable arm tail arm and the movable section of the second movable arm tail arm, the front part of the movable section of the second movable arm tail arm is hinged with the tail of the second movable arm main arm, and a second movable arm tail arm angle adjusting oil cylinder is hinged between the second movable arm main arm and the movable section of the second.

6. The energy efficient excavator of claim 5, wherein: and a roller is arranged between the telescopic part of the second movable arm tail arm and the telescopic part of the movable section in a sleeving manner and is used for reducing the friction resistance during the telescopic process.