CN204551581U - The outer pumping plant formula hydraulic crawler excavator of a kind of machine - Google Patents
The outer pumping plant formula hydraulic crawler excavator of a kind of machine Download PDFInfo
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- CN204551581U CN204551581U CN201520264737.4U CN201520264737U CN204551581U CN 204551581 U CN204551581 U CN 204551581U CN 201520264737 U CN201520264737 U CN 201520264737U CN 204551581 U CN204551581 U CN 204551581U
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- transfer case
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Abstract
The utility model discloses the outer pumping plant formula hydraulic crawler excavator of a kind of machine, and it comprises external hydraulic pump station, excavator body, the connection rubber tube of more than; Excavator body comprises hydraulic motor, motor, transfer case, pump group and hydraulic system; Motor is connected with transfer case respectively with the output of hydraulic motor, and transfer case is provided with the gears to engage and disengage shift fork that motor and hydraulic motor can be switched, pump group is arranged on transfer case output, and pump group is connected with hydraulic system; External hydraulic pump station comprises the motor of more than and the oil pump of more than, and every platform motor drives the oil pump of more than, and the oil pump at external hydraulic pump station is connected by the hydraulic motor of connection rubber tube with excavator body.The utility model has the dual power source that can mutually switch, electricity consumption when having an electricity, oil when not having an electricity, significantly reduce construction cost, flexibility is strong, and by the rotating speed of the flow-control excavator body hydraulic motor that changes external hydraulic pump station oil pump, is conducive to high-efficient homework.
Description
Technical field
The utility model relates to a kind of excavator, particularly relates to the outer pumping plant formula hydraulic crawler excavator of a kind of machine.
Background technology
Current excavator great majority are all power with motor, and the noise of motor and emission have very large pollution to environment, and diesel-fuel price is high, in order to reduce environment pollution and reduce construction cost, market have occurred oily electricity mixing and pure electric excavator.
Oil electricity mixing excavator has series and parallel connections two kinds of modes.The shortcoming of the series system that motor, motor, hydraulic pump are coaxially arranged is motor used is ISG motor, with high costs, unfavorable industrialization, and space layout's difficulty, is unfavorable for maintenance simultaneously; The shortcoming that the mode of motor, motor parallel connection exists is that motor volume used is comparatively large, takes up room large, transformation of the way difficulty.
Pure electric excavator, does not have AC power excavator to work, has certain limitation, the difficulty of transition simultaneously.
Also there is following shortcoming in the excavator of the electric hybrid system of oil and pure power driven system: as adopted constant speed motor, pattern is single, and operating rate is non-adjustable, is unfavorable for high-efficient homework; As adopted variable-frequency motor to add frequency converter, change a social system with high costs, trouble point increases.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and what provide a kind of power to be provided by external hydraulic pump station has dual power source, the outer pumping plant formula hydraulic crawler excavator of the machine that dual power source can switch mutually.
The technical solution adopted in the utility model is:
The outer pumping plant formula hydraulic crawler excavator of a kind of machine, it comprises external hydraulic pump station, excavator body, the connection rubber tube of more than; Described excavator body comprises hydraulic motor, motor, transfer case, pump group and hydraulic system; Motor is connected with transfer case respectively with the output of hydraulic motor, and described transfer case is provided with the gears to engage and disengage shift fork that motor and hydraulic motor can be switched, pump group is arranged on transfer case output, and described pump group is connected with hydraulic system; Described external hydraulic pump station comprises the motor of more than and the oil pump of more than, and described in every platform, motor drives the oil pump of more than, and the oil pump at described external hydraulic pump station is connected by the hydraulic motor of connection rubber tube with excavator body.
The motor at described external hydraulic pump station is one.
The oil pump at described external hydraulic pump station is two, and described excavator body is two.
Described excavator body has the dual power source of the hydraulic motor that motor and external hydraulic pump station drive simultaneously, and dual power source realizes power source by gears to engage and disengage shift fork and switches.
Described oil pump is automatically controlled variable pump, and the output flow of described automatically controlled variable pump is controlled.
The motor at described external hydraulic pump station uses the AC power of 380V.
The utility model adopts above technical scheme, external hydraulic pump station is set, and on external hydraulic power unit the motor of more than and the oil pump of more than, every platform motor drives the oil pump of more than, every platform oil pump is connected with the hydraulic motor of an excavator body respectively, coordinate the motor of excavator body self configuration, the excavator after changing a social system is made to have the dual power source of the hydraulic motor of motor and the driving of external hydraulic pump station, power source can be switched as required between this dual power source by the gears to engage and disengage shift fork in transfer case, electricity consumption when having an electricity, no oil during electricity, significantly can reduce construction cost, flexibility is strong, the rotating speed of hydraulic control motor can be carried out in external hydraulic pump station by the mode of the flow changing oil pump, realize speed controlled, be conducive to high-efficient homework, market prospects are considerable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details;
The structural representation of the outer pumping plant formula hydraulic crawler excavator of a kind of machine of Fig. 1 the utility model.
Detailed description of the invention
As shown in Figure 1, the outer pumping plant formula hydraulic crawler excavator of a kind of machine of the utility model, it comprises excavator body 1, the connection rubber tube 4 at more than 3, one, external hydraulic pump station; Described excavator body 1 comprises hydraulic motor 11, motor 12, transfer case 13, pump group 15 and hydraulic system 16; Motor 12 is connected with transfer case 13 respectively with the output of hydraulic motor 11, described transfer case 13 is provided with the gears to engage and disengage shift fork 14 that motor 12 and hydraulic motor 11 can be switched, pump group 15 is arranged on transfer case 13 output, and described pump group 15 is connected with hydraulic system 16; Described external hydraulic pump station 3 comprises the motor 31 of more than and the oil pump 32 of more than, motor 31 described in every platform drives the oil pump 32 of more than, and the oil pump 32 at described external hydraulic pump station 3 is connected with the hydraulic motor 11 of excavator body 1 by connection rubber tube 4.
The motor 31 at described external hydraulic pump station 3 is one.
The oil pump 32 at described external hydraulic pump station 3 is two, and described excavator body 1 is two.
Described excavator body 1 has the dual power source of the hydraulic motor 11 that motor 12 drives with external hydraulic pump station 3 simultaneously, and dual power source realizes power source by gears to engage and disengage shift fork 14 and switches.
Described oil pump 32 is automatically controlled variable pump, and the output flow of described automatically controlled variable pump is controlled.
The motor 31 at described external hydraulic pump station 3 uses the AC power of 380V.
The utility model adopts above technical scheme, external hydraulic pump station is set, and on external hydraulic power unit the motor of more than and the oil pump of more than, every platform motor drives the oil pump of more than, every platform oil pump is connected with the hydraulic motor of an excavator body respectively, coordinate the motor of excavator body self configuration, the excavator after changing a social system is made to have the dual power source of the hydraulic motor of motor and the driving of external hydraulic pump station, power source can be switched as required between this dual power source by the gears to engage and disengage shift fork in transfer case, electricity consumption when having an electricity, no oil during electricity, significantly can reduce construction cost, flexibility is strong, the rotating speed of hydraulic control motor can be carried out in external hydraulic pump station by the mode of the flow changing oil pump, realize speed controlled, be conducive to high-efficient homework, market prospects are considerable.
Claims (6)
1. the outer pumping plant formula hydraulic crawler excavator of machine, is characterized in that: it comprises external hydraulic pump station, excavator body, the connection rubber tube of more than; Described excavator body comprises hydraulic motor, motor, transfer case, pump group and hydraulic system; Motor is connected with transfer case respectively with the output of hydraulic motor, and described transfer case is provided with the gears to engage and disengage shift fork that motor and hydraulic motor can be switched, pump group is arranged on transfer case output, and described pump group is connected with hydraulic system; Described external hydraulic pump station comprises the motor of more than and the oil pump of more than, and described in every platform, motor drives the oil pump of more than, and the oil pump at described external hydraulic pump station is connected by the hydraulic motor of connection rubber tube with excavator body.
2. the outer pumping plant formula hydraulic crawler excavator of a kind of machine according to claim 1, is characterized in that: the motor at described external hydraulic pump station is one.
3. the outer pumping plant formula hydraulic crawler excavator of a kind of machine according to claim 1 or 2, is characterized in that: the oil pump at described external hydraulic pump station is two, and described excavator body is two.
4. the outer pumping plant formula hydraulic crawler excavator of a kind of machine according to claim 1, it is characterized in that: described excavator body has the dual power source of the hydraulic motor that motor and external hydraulic pump station drive simultaneously, dual power source realizes power source by gears to engage and disengage shift fork and switches.
5. the outer pumping plant formula hydraulic crawler excavator of a kind of machine according to claim 1, it is characterized in that: described oil pump is automatically controlled variable pump, the output flow of described automatically controlled variable pump is controlled.
6. the outer pumping plant formula hydraulic crawler excavator of a kind of machine according to claim 1, is characterized in that: the motor at described external hydraulic pump station uses the AC power of 380V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264737.4U CN204551581U (en) | 2015-04-28 | 2015-04-28 | The outer pumping plant formula hydraulic crawler excavator of a kind of machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264737.4U CN204551581U (en) | 2015-04-28 | 2015-04-28 | The outer pumping plant formula hydraulic crawler excavator of a kind of machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204551581U true CN204551581U (en) | 2015-08-12 |
Family
ID=53826714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520264737.4U Expired - Fee Related CN204551581U (en) | 2015-04-28 | 2015-04-28 | The outer pumping plant formula hydraulic crawler excavator of a kind of machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204551581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369946A (en) * | 2022-07-18 | 2022-11-22 | 石家庄开发区天远科技有限公司 | Excavator with external pump station |
-
2015
- 2015-04-28 CN CN201520264737.4U patent/CN204551581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369946A (en) * | 2022-07-18 | 2022-11-22 | 石家庄开发区天远科技有限公司 | Excavator with external pump station |
| CN115369946B (en) * | 2022-07-18 | 2024-04-30 | 石家庄开发区天远科技有限公司 | Excavator with external pump station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20170428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |