CN206052807U - Excavator - Google Patents
Excavator Download PDFInfo
- Publication number
- CN206052807U CN206052807U CN201620933847.XU CN201620933847U CN206052807U CN 206052807 U CN206052807 U CN 206052807U CN 201620933847 U CN201620933847 U CN 201620933847U CN 206052807 U CN206052807 U CN 206052807U
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- CN
- China
- Prior art keywords
- aeroassisted
- jacking device
- large arm
- gas reservoir
- excavator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
This utility model is that a kind of excavator is related to earthmoving machinery, design to solve the larger technical problem of excavation engine oil consumption, the excavator includes electromotor, hydraulic system, equipment, running gear and electric control system, also include Aeroassisted jacking device, Aeroassisted jacking device is arranged between two hydraulic cylinders of control large arm lifting, and one end of Aeroassisted jacking device connects large arm, the other end is connected with the mounting seat of hydraulic cylinder.When needing to operate large arm to rise, electric control system controls the piston rod of two hydraulic cylinders and stretches out, large arm is propped therewith, the piston rod of Aeroassisted jacking device also obtains flexible space simultaneously, and then stretch out, with two hydraulic cylinder shared external loads, the power output of electromotor is advantageously reduced, and then saves fuel oil.Meanwhile, when large arm withdraws, the gas in Aeroassisted jacking device is also pushed back, and is remained subsequent work recycling, can be ensured the circulation work of Aeroassisted jacking device.
Description
Technical field
This utility model is related to earthmoving machinery technical field, more particularly, to a kind of excavator.
Background technology
In agricultural, earthwork and mining, earthmoving machinery is played an important role, and excavator is the key of earthmoving machinery
Equipment.Excavator is excavated higher or lower than the material for holding machine side with scraper bowl, and is loaded haulage vehicle or unloaded to the soil of rickyard
Side's machinery.In recent years with the development of earthmoving machinery, excavator has also obtained developing faster, has become in engineering construction most
One of main machinery.
More for hydraulic crawler excavator used in prior art, hydraulic crawler excavator is mainly by electromotor, hydraulic system, work
The part such as device, running gear and electric control system constitutes, and drives equipment to complete mining task by hydraulic system.Tool
Body, be, with fluid as working media, the mechanical energy of electromotor to be changed into hydraulic energy using hydraulic pump and is transmitted, then
Hydraulic energy is turned to return for mechanical energy by hydraulic cylinder and hydraulic motor etc., realize the various actions of excavator, the root of power is come
From in electromotor, and the heat energy that the mechanical energy of electromotor is then produced from fuel oil combustion, so the consumption of fuel oil is to dig
The main energy sources consumption of pick machine.
In energy crisis increasingly serious today, energy saving is the problem that industry-by-industry is required to solve, excavator row
Industry is no exception.Excavation engine oil consumption of the prior art is larger, therefore a kind of excavator of more energy-conservation of offer is urgently to be resolved hurrily
Problem.
Utility model content
The purpose of this utility model is to provide a kind of excavator, with solve to excavate present in prior art engine oil consumption compared with
Big technical problem.
This utility model is a kind of excavator, including electromotor, hydraulic system, equipment, running gear and electric-controlled
System processed, also including Aeroassisted jacking device, the Aeroassisted jacking device is arranged at two hydraulic cylinders of control large arm lifting
Between, and one end of the Aeroassisted jacking device connects the large arm, the other end is connected with the mounting seat of the hydraulic cylinder.
Further, the cylinder body of the Aeroassisted jacking device is hinged with the large arm, the Aeroassisted jacking device
Piston rod is hinged with the mounting seat of the hydraulic cylinder.
Further, nitrogen is filled with the Aeroassisted jacking device.
Further, also include for controlling the first valve of gas path on-off, first valve and the Aeroassisted
The bottom connection of jacking device.
Further, also including gas reservoir, one end of first valve connects the Aeroassisted jacking device, another
The end connection gas reservoir.
Further, the exit of the gas reservoir is provided with the second valve.
Further, the exit of the gas reservoir is additionally provided with pressure gauge.
Further, the gas reservoir is two, and two gas reservoirs are interconnected.
Further, also including counterweight, the gas reservoir is arranged in the counterweight.
Further, also including installation case；The installation case is fixedly installed in the counterweight, and the gas reservoir is arranged
In the installation case.
Compared with prior art, the beneficial effects of the utility model are：
Between two hydraulic cylinders of control large arm lifting, Aeroassisted jacking device, one end of Aeroassisted jacking device are set
Connection large arm, the other end are connected with the mounting seat of two hydraulic cylinders.When needing to operate large arm to rise, by electric control system
The piston rod of two hydraulic cylinders of control stretches out, and as the piston rod of hydraulic cylinder stretches out, large arm is propped, while Aeroassisted jacking
The piston rod of device also obtain flexible space, and then stretch out, with two hydraulic cylinder shared external loads；When need operation
When large arm withdraws, the piston rod for controlling two hydraulic cylinders by electric control system withdraws, as the piston rod of hydraulic cylinder withdraws,
Large arm withdraws, while drive of the piston rod of Aeroassisted jacking device in the power of the piston rod withdrawal of the gravity and hydraulic cylinder of large arm
Lower withdrawal.Aeroassisted jacking device and two hydraulic cylinder shared external loads, advantageously reduce the power output of electromotor,
And then save fuel oil.Meanwhile, when large arm withdraws, the gas in Aeroassisted jacking device is also pushed back, and remains subsequent work
Recycle, the recycling of Aeroassisted jacking device can be ensured.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The dimensional structure diagram of the excavator that Fig. 1 is provided for this utility model embodiment.
Reference：
1- Aeroassisted jacking device 2- hydraulic cylinder 3- large arm
4- mounting seats 5- counterweight 6- installs case
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the embodiment in this utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to practical
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in this utility model.
The dimensional structure diagram of the excavator that Fig. 1 is provided for this utility model embodiment.
As shown in figure 1, the excavator that the present embodiment is provided, including electromotor, hydraulic system, equipment, running gear
And electric control system, also including Aeroassisted jacking device 1, Aeroassisted jacking device 1 is arranged at two of the control lifting of large arm 3
Between hydraulic cylinder 2, and one end of Aeroassisted jacking device 1 connects large arm 3, and the other end is connected with the mounting seat 4 of hydraulic cylinder 2.
Aeroassisted jacking device 1 can be cylinder, as shown in Figure 1.
From cylinder as Aeroassisted jacking device 1, response speed is fast, the almost no time difference of the action with hydraulic cylinder 2,
Simple structure, installation operation are more convenient, and, because of its good air-tightness, the performance of the work of auxiliary hydraulic cylinder 2 also more has guarantor
Barrier, is more beneficial for saving the fuel oil of electromotor.
Between two hydraulic cylinders 2 of the control lifting of large arm 3, Aeroassisted jacking device 1 is set, Aeroassisted jacking device 1
One end connects large arm 3, and the other end is connected with the mounting seat 4 of two hydraulic cylinders 2.When needing to operate large arm 3 to rise, by electric
Control system controls the piston rod of two hydraulic cylinders 2 and stretches out, and as the piston rod of hydraulic cylinder 2 stretches out, large arm 3 is propped, while
The piston rod of Aeroassisted jacking device 1 also obtain flexible space, and then stretch out, outside two 2 shareds of hydraulic cylinder
Load；When needing to operate large arm 3 to withdraw, the piston rod for controlling two hydraulic cylinders 2 by electric control system withdraws, with liquid
The piston rod of cylinder pressure 2 withdraws, and large arm 3 withdraws, while gravity and hydraulic cylinder 2 of the piston rod of Aeroassisted jacking device 1 in large arm 3
Piston rod withdraw power drive under withdraw.Aeroassisted jacking device 1 and two 2 shared external loads of hydraulic cylinder, have
Beneficial to the power output for reducing electromotor, and then save fuel oil.Meanwhile, when large arm 3 withdraws, in Aeroassisted jacking device
Gas is also pushed back, and is remained subsequent work recycling, can be ensured the recycling of Aeroassisted jacking device 1.
On the basis of above-described embodiment, specifically, the cylinder body of Aeroassisted jacking device 1 is hinged with large arm 3, Aeroassisted
The piston rod of jacking device 1 is hinged with the mounting seat 4 of hydraulic cylinder 2.
Specifically, the bottom of Aeroassisted jacking device 1 is hinged with large arm 3, the piston rod and hydraulic pressure of Aeroassisted jacking device 1
The mounting seat 4 of cylinder 2 is hinged, i.e., Aeroassisted jacking device 1 is in inversion state.By taking cylinder as an example, it is well known that hydraulic cylinder 2
Mounting seat 4 on installing space it is limited, and the distance between two hydraulic cylinders 2 are bigger the closer to large arm 3, so, by gas
Cylinder is inverted and allows the cylinder part being relatively large in diameter to be located at the large pitch of two hydraulic cylinders 2, can be bigger in setting cylinder diameter herein
Cylinder, large arm 3 lifted during, there is provided bigger power.
On the basis of above-described embodiment, specifically, nitrogen is filled with Aeroassisted jacking device 1.
Filling nitrogen in Aeroassisted jacking device 1, during large arm 3 rises, can provide bigger by compressed nitrogen
Power, so as to greatly share the load of hydraulic cylinder 2, save more engine fuels oil.
On the basis of above-described embodiment, specifically, also include for controlling the first valve of gas path on-off, the first valve
It is connected with the bottom of Aeroassisted jacking device 1.
In the course of normal operation of excavator, the first valve is in opening, when needing to transport excavator, closes
First valve, cuts off the source of the gas of Aeroassisted jacking device 1, is prevented from the transportation of excavator, gases at high pressure (example
Such as, nitrogen) piston rod of Aeroassisted jacking device 1 is ejected, cause large arm 3 to be raised suddenly, so that occurring to anticipate in limit for height section
Outer situation occurs.
On the basis of above-described embodiment, specifically, also including gas reservoir, one end connection Aeroassisted of the first valve
Jacking device 1, other end connection gas reservoir.
More gases at high pressure can be laid in by arranging gas reservoir, the action for Aeroassisted jacking device 1 is provided more
Big motive force, so as to greatly share the load of hydraulic cylinder 2, saves more engine fuel oil.
On the basis of above-described embodiment, specifically, the exit of gas reservoir is provided with the second valve.
By the second valve being arranged in the exit of gas reservoir, when air-channel system needs maintenance, close the second valve,
Gas as much as possible can be sealed in gas reservoir, it is to avoid the waste of gas.
On the basis of above-described embodiment, specifically, the exit of gas reservoir is additionally provided with pressure gauge.
By arranging pressure gauge, people can understand the pressure state in gas reservoir, the pressure in gas reservoir at any time
When power is too low, timely make-up gas discharge portion gas in time during hypertonia, make Aeroassisted jacking device 1 all the time in most
Good state, so as to be more beneficial for the saving of engine fuel oil.
On the basis of above-described embodiment, specifically, gas reservoir is two, and two gas reservoirs are interconnected.
Gas reservoir can also be able to be multiple for one, arrange multiple gas reservoirs and can store more high pressure gas
Body, the action for Aeroassisted jacking device 1 provide bigger motive force, so as to greatly share the load of hydraulic cylinder 2, section
Save more engine fuel oil.
On the basis of above-described embodiment, specifically, also including counterweight 5, gas reservoir is arranged in counterweight 5.
Gas reservoir is arranged in counterweight 5, is conducive to increasing the weight of counterweight 5, during the excavator course of work can be made
Counterbalance effect it is more preferable.
On the basis of above-described embodiment, specifically, also including case 6 is installed, case 6 is installed and is fixedly installed in counterweight 5, gas
Body storage tank is arranged in installation case 6.
Specifically, gas reservoir is fixedly installed in installation case 6.Gas reservoir is fixedly installed in installation case 6, gas is made
Body storage tank can be conducive to extending the service life of gas reservoir, it is ensured that gas reservoir from exposing to wind and rain or high temperature attack
Normal work.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of excavator, including electromotor, hydraulic system, equipment, running gear and electric control system, its feature exist
In also including Aeroassisted jacking device (1), the Aeroassisted jacking device (1) is arranged at two liquid that control large arm (3) is lifted
Between cylinder pressure (2), and one end of the Aeroassisted jacking device (1) connects the large arm (3), the other end and the hydraulic cylinder
(2) mounting seat (4) connection.
2. excavator according to claim 1, it is characterised in that the cylinder body of the Aeroassisted jacking device (1) with it is described
Large arm (3) is hinged, and the piston rod of the Aeroassisted jacking device (1) is hinged with the mounting seat (4) of the hydraulic cylinder (2).
3. excavator according to claim 1 and 2, it is characterised in that is filled with nitrogen in the Aeroassisted jacking device (1)
Gas.
4. excavator according to claim 1 and 2, it is characterised in that also include for controlling the first valve of gas path on-off
Door, first valve are connected with the bottom of the Aeroassisted jacking device (1).
5. excavator according to claim 4, it is characterised in that also including gas reservoir, one end of first valve
Connect the Aeroassisted jacking device (1), the other end connects the gas reservoir.
6. excavator according to claim 5, it is characterised in that the exit of the gas reservoir is provided with the second valve
Door.
7. excavator according to claim 5, it is characterised in that the exit of the gas reservoir is provided with pressure gauge.
8. excavator according to claim 5, it is characterised in that the gas reservoir is two, and two gases
Storage tank is interconnected.
9. excavator according to claim 5, it is characterised in that also including counterweight (5), the gas reservoir is arranged at institute
State in counterweight (5).
10. excavator according to claim 9, it is characterised in that also including case (6) is installed, installation case (6) is fixed
It is arranged in the counterweight (5), the gas reservoir is arranged in installation case (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620933847.XU CN206052807U (en) | 2016-08-24 | 2016-08-24 | Excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620933847.XU CN206052807U (en) | 2016-08-24 | 2016-08-24 | Excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206052807U true CN206052807U (en) | 2017-03-29 |
Family
ID=58384330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620933847.XU Expired - Fee Related CN206052807U (en) | 2016-08-24 | 2016-08-24 | Excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206052807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120915A (en) * | 2016-08-24 | 2016-11-16 | 崔建波 | Excavator |
-
2016
- 2016-08-24 CN CN201620933847.XU patent/CN206052807U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106120915A (en) * | 2016-08-24 | 2016-11-16 | 崔建波 | Excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180824 |