CN203743111U - Switching device for excavator and excavator - Google Patents
Switching device for excavator and excavator Download PDFInfo
- Publication number
- CN203743111U CN203743111U CN201420125567.7U CN201420125567U CN203743111U CN 203743111 U CN203743111 U CN 203743111U CN 201420125567 U CN201420125567 U CN 201420125567U CN 203743111 U CN203743111 U CN 203743111U
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- hydraulic fluid
- fluid port
- valve body
- excavator
- communicated
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Abstract
The utility model provides a switching device for an excavator and the excavator. The switching device for the excavator comprises a valve body and a valve element, and a first oil opening, a second oil opening, a third oil opening, a fourth oil opening, a fifth oil opening and a sixth oil opening are formed in the valve body. The valve element is movably arranged in the valve body, a flow guide channel is formed in the valve element and used for enabling the first oil opening to be communicated with the third oil opening and enabling the second oil opening to be communicated with the fourth oil opening at the same time under the condition that the valve element is arranged at the first position in the valve body, and the flow guide channel is used for enabling the first oil opening to be communicated with the fifth oil opening and enabling the second oil opening to be communicated with the sixth oil opening at the same time under the condition that the valve element is arranged at the second position in the valve body. According to the switching device and the excavator, the movable arm deflection function and the platform rotation function can be switched, and cost can be lowered.
Description
Technical field
The utility model relates to excavating device technology, relates in particular to COMM communication and excavator for a kind of excavator.
Background technique
Conventional mini-excavator has swing arm deflection, and this function is the necessary functions in work in narrow space, and therefore conventional mini-excavator need to be switched swing arm deflection and platform revolute function.
In prior art, the platform of excavator is connected with rotary motor, and rotary motor connects main control valve, controls rotary motor and starts or close, thereby make rotary motor drive platform revolution by main control valve.
Because existing main control valve does not have switching function, in order to realize the switching of swing arm deflection and platform revolute function, need to transform main control valve, cause thus the problem that cost is higher.
Model utility content
The utility model provides COMM communication and excavator for a kind of excavator, to realize the switching of swing arm deflection and platform revolute function, and can reduce costs.
The utility model provides a kind of excavator COMM communication, comprising:
Valve body, offers the first hydraulic fluid port, the second hydraulic fluid port, the 3rd hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port and the 6th hydraulic fluid port on described valve body;
Spool, be movably set in described valve body, described spool offers guide channel, for being positioned under the state of described valve body primary importance at described spool, the second hydraulic fluid port and the 4th hydraulic fluid port described in the first hydraulic fluid port and the 3rd hydraulic fluid port described in conducting, conducting simultaneously, at described spool, be arranged under the state of the described valve body second place the second hydraulic fluid port and the 6th hydraulic fluid port described in the first hydraulic fluid port and the 5th hydraulic fluid port, conducting simultaneously described in conducting.
Described excavator COMM communication, preferred, described spool is electromagnetic valve core.
Described excavator COMM communication, preferred, described the first hydraulic fluid port and the 6th hydraulic fluid port are located at a side of described valve body, and described the first hydraulic fluid port is near the first end face setting of described valve body, and described the 6th hydraulic fluid port is near the second end face setting of described valve body; Described the second hydraulic fluid port, the 3rd hydraulic fluid port and the 5th hydraulic fluid port are located at the opposite side of described valve body, described the 3rd hydraulic fluid port is near described the first end face setting, described the second hydraulic fluid port is near described the second end face setting, and described the 5th hydraulic fluid port is arranged between described the second hydraulic fluid port and the 3rd hydraulic fluid port; Described the 4th hydraulic fluid port is located at described the second end face.
The utility model provides a kind of excavator, comprises platform, swing arm and switched system, and described switched system comprises arbitrary described excavator COMM communication in rotary motor, oscillating oil cylinder, main control valve and claim 1-3; Described rotary motor, oscillating oil cylinder, main control valve are connected with described COMM communication respectively, by the switching of described COMM communication, make described main control valve can control described rotary motor or oscillating oil cylinder startup or close; Described rotary motor is connected with described platform, for driving described platform revolution; Described oscillating oil cylinder is connected with described swing arm, for driving described swing arm deflection.
Described excavator, preferred, the oil outlet of described main control valve is connected with described the first hydraulic fluid port, and the oiler of described main control valve is connected with described the second hydraulic fluid port; The oiler of described rotary motor is connected with described the 3rd hydraulic fluid port, and the oil outlet of described rotary motor is connected with described the 4th hydraulic fluid port; The oiler of described oscillating oil cylinder is connected with described the 5th hydraulic fluid port, and the oil outlet of described oscillating oil cylinder is connected with described the 6th hydraulic fluid port.
Based on above-mentioned, the excavator COMM communication that the utility model embodiment provides, in use, excavator can be connected with rotary motor, oscillating oil cylinder and the main control valve of excavator respectively by COMM communication, concrete, the first hydraulic fluid port and the second hydraulic fluid port can be communicated with oil outlet and the oiler of main control valve, the 3rd hydraulic fluid port and the 4th hydraulic fluid port are communicated with oil outlet and the oiler of rotary motor, the 5th hydraulic fluid port and the 6th hydraulic fluid port are communicated with oil outlet and the oiler of oscillating oil cylinder, when spool moves to the primary importance in valve body, guide channel is by the first hydraulic fluid port and the 3rd hydraulic fluid port conducting, simultaneously by the second hydraulic fluid port and the 4th hydraulic fluid port conducting, and now, hydraulic oil can flow into rotary motor by main control valve, rotary motor is started, and then the platform that driving is connected with rotary motor turn round, when spool moves to the second place in valve body, guide channel is by the first hydraulic fluid port and the 5th hydraulic fluid port conducting, simultaneously by the second hydraulic fluid port and the 6th hydraulic fluid port conducting, now, hydraulic oil can flow into oscillating oil cylinder by main control valve, oscillating oil cylinder is started, and then the swing arm deflection that is connected with oscillating oil cylinder of driving, realize thus the switching of swing arm deflection and platform revolute function, by the COMM communication of using the utility model to provide, without again main control valve being transformed, and the COMM communication that the utility model provides is simple in structure, easy to manufacture, cost of production is far below the reforming cost to main control valve, therefore can realize the reduction of cost.Certainly, also the 3rd hydraulic fluid port and the 4th hydraulic fluid port can be communicated with oil outlet and the oiler of oscillating oil cylinder, and the 5th hydraulic fluid port and the 6th hydraulic fluid port are communicated with oil outlet and the oiler of rotary motor, as long as can realize the switching of swing arm deflection and platform revolute function.
Accompanying drawing explanation
A kind of excavator that Fig. 1 provides for the utility model embodiment fundamental diagram of COMM communication;
A kind of excavator that Fig. 2 provides for the utility model embodiment structural representation of COMM communication;
Fig. 3 is the rear view of Fig. 2;
Fig. 4 is the worm's eye view of Fig. 2;
The structural representation of switched system in a kind of excavator that Fig. 5 provides for the utility model embodiment.
Reference character:
100: COMM communication; 101: the first hydraulic fluid ports; 102: the second hydraulic fluid ports;
103: the three hydraulic fluid ports; 104: the four hydraulic fluid ports; 105: the five hydraulic fluid ports;
106: the six hydraulic fluid ports; 107: guide channel; 201: rotary motor;
202: oscillating oil cylinder; 203: main control valve.
Embodiment
Please refer to Fig. 1, the utility model embodiment provides a kind of COMM communication 100 for excavator, comprising: valve body, offers the first hydraulic fluid port 101, the second hydraulic fluid port 102, the 3rd hydraulic fluid port 103, the 4th hydraulic fluid port 104, the 5th hydraulic fluid port 105 and the 6th hydraulic fluid port 106 on described valve body; Spool, be movably set in described valve body, described spool offers guide channel 107, for being positioned under the state of described valve body primary importance at described spool, the second hydraulic fluid port 102 and the 4th hydraulic fluid port 104 described in the first hydraulic fluid port 101 and the 3rd hydraulic fluid port 103 described in conducting, conducting simultaneously, at described spool, be arranged under the state of the described valve body second place the first hydraulic fluid port 101 and the 5th hydraulic fluid port 105 described in conducting, the second hydraulic fluid port 102 and the 6th hydraulic fluid port 106 described in conducting simultaneously.
In the present embodiment, in use, excavator can be connected to (please refer to Fig. 5) with rotary motor 201, oscillating oil cylinder 202 and the main control valve 203 of excavator respectively by COMM communication 100.Concrete, the first hydraulic fluid port 101 and the second hydraulic fluid port 102 can be communicated with oil outlet and the oiler of main control valve 203, the 3rd hydraulic fluid port 103 and the 4th hydraulic fluid port 104 are communicated with oil outlet and the oiler of rotary motor 201, the 5th hydraulic fluid port 105 and the 6th hydraulic fluid port 106 are communicated with oil outlet and the oiler of oscillating oil cylinder 202, when spool moves to the primary importance in valve body, guide channel 107 is by the first hydraulic fluid port 101 and the 3rd hydraulic fluid port 103 conductings, simultaneously by the second hydraulic fluid port 102 and the 4th hydraulic fluid port 104 conductings, now, hydraulic oil can flow into rotary motor 201 by main control valve 203, rotary motor 201 is started, and then the platform that driving is connected with rotary motor 201 turn round, when spool moves to the second place in valve body, guide channel 107 is by the first hydraulic fluid port 101 and the 5th hydraulic fluid port 105 conductings, simultaneously by the second hydraulic fluid port 102 and the 6th hydraulic fluid port 106 conductings, now, hydraulic oil can flow into oscillating oil cylinder 202 by main control valve 203, oscillating oil cylinder 202 is started, and then the swing arm deflection that is connected with oscillating oil cylinder 202 of driving, realize thus the switching of swing arm deflection and platform revolute function, by the COMM communication 100 of using the utility model to provide, without again main control valve 203 being transformed, and the COMM communication 100 that the utility model provides is simple in structure, easy to manufacture, cost of production is far below the reforming cost to main control valve 203, therefore can realize the reduction of cost.
Certainly, also the 3rd hydraulic fluid port 103 and the 4th hydraulic fluid port 104 can be communicated with oil outlet and the oiler of oscillating oil cylinder 202, and the 5th hydraulic fluid port 105 and the 6th hydraulic fluid port 106 are communicated with oil outlet and the oiler of rotary motor 201, as long as can realize the switching of swing arm deflection and platform revolute function.
In addition, spool can seal the 5th hydraulic fluid port 105 and the 6th hydraulic fluid port 106 when being arranged in valve body primary importance, and spool can be by the 3rd hydraulic fluid port 103 and the 4th hydraulic fluid port 104 sealings, to close rotary motor 201 or oscillating oil cylinder 202 when being arranged in the valve body second place.
In the present embodiment, preferred, spool is electromagnetic valve core.Can realize thus the movement of telecontrol spool in valve body, make to operate more convenient.Certainly also can control manually the movement of spool in valve body, the utility model is not specifically limited this.
Please refer to Fig. 2-4, in the present embodiment, preferred, the first hydraulic fluid port 101 and the 6th hydraulic fluid port 106 are located at a side of described valve body, and described the first hydraulic fluid port 101 is near the first end face setting of described valve body, and described the 6th hydraulic fluid port 106 is near the second end face setting of described valve body; Described the second hydraulic fluid port 102, the 3rd hydraulic fluid port 103 and the 5th hydraulic fluid port 105 are located at the opposite side of described valve body, described the 3rd hydraulic fluid port 103 is near the first end face setting of described valve body, described the second hydraulic fluid port 102 is near the second end face setting of described valve body, and described the 5th hydraulic fluid port 105 is arranged between described the second hydraulic fluid port 102 and the 3rd hydraulic fluid port 103; Described the 4th hydraulic fluid port 104 is located at the second end face of described valve body.Thus, can facilitate the laying of passage and the guide channel 107 of each hydraulic fluid port, facilitate the manufacture of COMM communication 100.
Please refer to Fig. 5, the utility model embodiment provides a kind of excavator, comprise platform, swing arm and switched system, described switched system comprises the COMM communication 100 for excavator described in rotary motor 201, oscillating oil cylinder 202, main control valve 203 and the utility model any embodiment; Described rotary motor 201, oscillating oil cylinder 202, main control valve 203 are connected with described COMM communication 100 respectively, by the switching of described COMM communication 100, make described main control valve 203 can control described rotary motor 201 or oscillating oil cylinder 202 startups or close; Described rotary motor 201 is connected with platform, for driving described platform revolution; Described oscillating oil cylinder 202 is connected with swing arm, for driving described swing arm deflection.
In the present embodiment, the first hydraulic fluid port 101 and the second hydraulic fluid port 102 can be communicated with oil outlet and the oiler of main control valve 203, the 3rd hydraulic fluid port 103 and the 4th hydraulic fluid port 104 are communicated with oil outlet and the oiler of rotary motor 201, the 5th hydraulic fluid port 105 and the 6th hydraulic fluid port 106 are communicated with oil outlet and the oiler of oscillating oil cylinder 202, when spool moves to the primary importance in valve body, guide channel 107 is by the first hydraulic fluid port 101 and the 3rd hydraulic fluid port 103 conductings, simultaneously by the second hydraulic fluid port 102 and the 4th hydraulic fluid port 104 conductings, now, hydraulic oil can flow into rotary motor 201 by main control valve 203, rotary motor 201 is started, and then the platform that driving is connected with rotary motor 201 turn round, when spool moves to the second place in valve body, guide channel 107 is by the first hydraulic fluid port 101 and the 5th hydraulic fluid port 105 conductings, simultaneously by the second hydraulic fluid port 102 and the 6th hydraulic fluid port 106 conductings, now, hydraulic oil can flow into oscillating oil cylinder 202 by main control valve 203, oscillating oil cylinder 202 is started, and then the swing arm deflection that is connected with oscillating oil cylinder 202 of driving, realize thus the switching of swing arm deflection and platform revolute function, by the COMM communication 100 of using the utility model to provide, without again main control valve 203 being transformed, and the COMM communication 100 that the utility model provides is simple in structure, easy to manufacture, cost of production is far below the reforming cost to main control valve 203, therefore can realize the reduction of cost.
Certainly, also the 3rd hydraulic fluid port 103 and the 4th hydraulic fluid port 104 can be communicated with oil outlet and the oiler of oscillating oil cylinder 202, and the 5th hydraulic fluid port 105 and the 6th hydraulic fluid port 106 are communicated with oil outlet and the oiler of rotary motor 201, as long as can realize the switching of swing arm deflection and platform revolute function.
In addition, spool can seal the 5th hydraulic fluid port 105 and the 6th hydraulic fluid port 106 when being arranged in valve body primary importance, and spool can be by the 3rd hydraulic fluid port 103 and the 4th hydraulic fluid port 104 sealings, to close rotary motor 201 or oscillating oil cylinder 202 when being arranged in the valve body second place.
In the present embodiment, the oil outlet of described main control valve 203 can be communicated with described the first hydraulic fluid port 101, and the oiler of described main control valve 203 can be communicated with described the second hydraulic fluid port 102; The oiler of described rotary motor 201 can be communicated with described the 3rd hydraulic fluid port 103, and the oil outlet of described rotary motor 201 can be communicated with described the 4th hydraulic fluid port 104; The oiler of described oscillating oil cylinder 202 can be communicated with described the 5th hydraulic fluid port 105, and the oil outlet of described oscillating oil cylinder 202 can be communicated with described the 6th hydraulic fluid port 106.Can make thus main control valve 203 can control described rotary motor 201 or oscillating oil cylinder 202 startups or close.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or some or all of technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (5)
1. an excavator COMM communication, is characterized in that, comprising:
Valve body, offers the first hydraulic fluid port, the second hydraulic fluid port, the 3rd hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port and the 6th hydraulic fluid port on described valve body;
Spool, be movably set in described valve body, described spool offers guide channel, for being positioned under the state of described valve body primary importance at described spool, the second hydraulic fluid port and the 4th hydraulic fluid port described in the first hydraulic fluid port and the 3rd hydraulic fluid port described in conducting, conducting simultaneously, at described spool, be arranged under the state of the described valve body second place the second hydraulic fluid port and the 6th hydraulic fluid port described in the first hydraulic fluid port and the 5th hydraulic fluid port, conducting simultaneously described in conducting.
2. excavator COMM communication according to claim 1, is characterized in that, described spool is electromagnetic valve core.
3. excavator COMM communication according to claim 1 and 2, is characterized in that:
Described the first hydraulic fluid port and the 6th hydraulic fluid port are located at a side of described valve body, and described the first hydraulic fluid port is near the first end face setting of described valve body, and described the 6th hydraulic fluid port is near the second end face setting of described valve body;
Described the second hydraulic fluid port, the 3rd hydraulic fluid port and the 5th hydraulic fluid port are located at the opposite side of described valve body, described the 3rd hydraulic fluid port is near described the first end face setting, described the second hydraulic fluid port is near described the second end face setting, and described the 5th hydraulic fluid port is arranged between described the second hydraulic fluid port and the 3rd hydraulic fluid port;
Described the 4th hydraulic fluid port is located at described the second end face.
4. an excavator, is characterized in that, comprises platform, swing arm and switched system, and described switched system comprises arbitrary described excavator COMM communication in rotary motor, oscillating oil cylinder, main control valve and claim 1-3;
Described rotary motor, oscillating oil cylinder, main control valve are connected with described COMM communication respectively, by the switching of described COMM communication, make described main control valve can control described rotary motor or oscillating oil cylinder startup or close;
Described rotary motor is connected with described platform, for driving described platform revolution;
Described oscillating oil cylinder is connected with described swing arm, for driving described swing arm deflection.
5. excavator according to claim 4, is characterized in that:
The oil outlet of described main control valve is communicated with described the first hydraulic fluid port, and the oiler of described main control valve is communicated with described the second hydraulic fluid port;
The oiler of described rotary motor is communicated with described the 3rd hydraulic fluid port, and the oil outlet of described rotary motor is communicated with described the 4th hydraulic fluid port;
The oiler of described oscillating oil cylinder is communicated with described the 5th hydraulic fluid port, and the oil outlet of described oscillating oil cylinder is communicated with described the 6th hydraulic fluid port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125567.7U CN203743111U (en) | 2014-03-19 | 2014-03-19 | Switching device for excavator and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125567.7U CN203743111U (en) | 2014-03-19 | 2014-03-19 | Switching device for excavator and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743111U true CN203743111U (en) | 2014-07-30 |
Family
ID=51342916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420125567.7U Expired - Fee Related CN203743111U (en) | 2014-03-19 | 2014-03-19 | Switching device for excavator and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461517A (en) * | 2017-08-28 | 2017-12-12 | 山东临工工程机械有限公司 | A kind of rocker arm shovel dozer pilot-actuated valve |
-
2014
- 2014-03-19 CN CN201420125567.7U patent/CN203743111U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461517A (en) * | 2017-08-28 | 2017-12-12 | 山东临工工程机械有限公司 | A kind of rocker arm shovel dozer pilot-actuated valve |
| CN107461517B (en) * | 2017-08-28 | 2023-09-22 | 山东临工工程机械有限公司 | Rotary type excavator bulldozer blade pilot control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110142 Shenyang economic and Technological Development Zone, Liaoning Road, No. 28 Patentee after: ZHONGCHE SHENYANG LOCOMOTIVE AND VEHICLE CO., LTD. Address before: 110142 Shenyang economic and Technological Development Zone, Liaoning Road, No. 28 Patentee before: China Beiche Group Shenyang Locomotive Vehicle Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20200319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |