CN212026406U - Automatic control system for crushing working condition of excavator and excavator - Google Patents
Automatic control system for crushing working condition of excavator and excavator Download PDFInfo
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- CN212026406U CN212026406U CN202020715165.8U CN202020715165U CN212026406U CN 212026406 U CN212026406 U CN 212026406U CN 202020715165 U CN202020715165 U CN 202020715165U CN 212026406 U CN212026406 U CN 212026406U
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Abstract
The automatic control system comprises a crushing pilot pressure sensor arranged on a crushing pilot oil path of a crushing hammer, an acceleration sensor arranged on the crushing hammer, a pressure sensor arranged on a main pump, a crushing oil inlet pressure sensor arranged on a crushing oil inlet loop, a crushing hammer proportional overflow valve arranged between a crushing oil return loop and a crushing oil inlet loop, and a proportional solenoid valve arranged on the main pump, wherein the crushing pilot pressure sensor, the acceleration sensor, the pressure sensor, the crushing oil inlet pressure sensor, the crushing hammer proportional overflow valve and the proportional solenoid valve are all connected with a controller, and the controller is connected with a display. The self-adaptive control of the crushing mode and the crushing working condition is realized, the operation is more convenient, and the operation efficiency is improved.
Description
Technical Field
The disclosure relates to an excavator and an automatic control system for crushing working conditions of the excavator.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The whole excavator is used as a core product of engineering machinery, the operation accessory of the excavator is expanded from a standard bucket to various accessories, one of the accessories which are widely applied is a breaking hammer, and with the improvement of the industrial level and the development of productivity, the application of the breaking hammer in various production fields is wider and wider, so that the working condition control of the breaking hammer is particularly important.
At present, what the domestic excavator configuration quartering hammer adopted is the design solitary crushing mode, when using, selects the crushing mode through manual adjustment, and manual setting quartering hammer secondary overflow pressure and flow, and when manual setting crushing mode, cause the crushing mode of selection and the broken operating mode of reality to mismatch easily to produce the not enough or the too high problem that causes the oil consumption of quartering hammer hitting power.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the automatic control system for the crushing working condition of the excavator and the excavator are provided, the sensors and the electromagnetic valves are arranged, the sensors are connected with the electromagnetic valves and the controller, the automatic switching and control of the crushing mode are achieved, and the output flow of a main pump is matched with the actual requirement of a crushing hammer.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
the automatic control system for the crushing working condition of the excavator comprises a crushing pilot pressure sensor, an acceleration sensor, a pressure sensor, a crushing oil inlet pressure sensor, a crushing hammer proportional overflow valve and a proportional solenoid valve, wherein the crushing pilot pressure sensor is arranged on a crushing pilot oil path of a crushing hammer, the acceleration sensor is arranged on a crushing hammer, the pressure sensor is arranged on a main pump, the crushing oil inlet pressure sensor is arranged on a crushing oil inlet loop, the crushing hammer proportional overflow valve is arranged between a crushing oil return loop and a crushing oil inlet loop, the proportional solenoid valve is arranged on the main pump, the crushing pilot pressure sensor, the acceleration sensor, the pressure sensor, the crushing oil inlet pressure sensor, the crushing hammer proportional overflow.
Furthermore, the crushing pilot pressure sensor, the acceleration sensor, the pressure sensor and the crushing oil inlet pressure sensor are all connected with the input end of the controller, and the crushing hammer proportional overflow valve and the proportional solenoid valve are connected with the output end of the controller.
Further, the main pumps include a first main pump and a second main pump, which are connected in series.
Further, a first pump pressure sensor is mounted at an oil outlet of the first main pump, a second pump pressure sensor is mounted at an oil outlet of the second main pump, and the first pump pressure sensor and the second pump pressure sensor are both connected with an input end of the controller.
Further, a first pump proportional solenoid valve is installed on an output oil path of the first main pump, a second pump proportional solenoid valve is installed on an output oil path of the second main pump, and the first pump proportional solenoid valve and the second pump proportional solenoid valve are both connected with an output end of the controller.
Furthermore, the number of the acceleration sensors installed on the breaking hammer is two, the two acceleration sensors are respectively a first acceleration sensor and a second acceleration sensor, and the first acceleration sensor and the second acceleration sensor are both connected with the input end of the controller.
Furthermore, the breaking hammer proportional overflow valve is an electric control overflow valve.
Further, the display is connected with the controller through a bus.
Further, the display is a touch display.
The present disclosure also discloses an excavator, which adopts the automatic control system for the crushing working condition of the excavator.
Compared with the prior art, the beneficial effect of this disclosure is:
1. this is disclosed is connected with the controller through setting up quartering hammer guide pressure sensor, acceleration sensor, pump pressure sensor, broken oil feed pressure sensor, pump proportion solenoid valve and quartering hammer proportion overflow valve, has realized the automatic switch-over and the control of broken mode, and it is more convenient to operate.
2. According to the self-adaptive control method and device for the breaking hammer, the self-adaptive control of the breaking mode and the breaking working condition is adopted, so that the pressure and flow required by the breaking hammer are matched with the pressure and flow of the whole machine in real time, and the working efficiency is improved.
3. According to the drill rod crushing device, the two acceleration sensors are arranged on the crushing hammer, so that the acceleration and the frequency of the drill rod are acquired in real time, and then the crushing mode is controlled, and the reliability of the whole machine and the reliability of the crushing hammer are guaranteed.
4. The breaking hammer proportional overflow valve in the disclosure is an electric control overflow valve, does not need manual setting, and is more convenient to use.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic block diagram of an automatic control system for the crushing condition of an excavator according to the present disclosure.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
In order to solve traditional quartering hammer operating mode and need manual setting, appear setting up the mode and mismatch with operating condition, make the quartering hammer power of beating not enough or the too high technical problem that causes the higher oil consumption of flow, disclose an excavator broken operating mode automatic control system.
As shown in figure 1, the automatic control system for the crushing working condition of the excavator comprises a controller, a crushing pilot pressure sensor and a control unit, wherein the crushing pilot pressure sensor is arranged on a crushing pilot oil path of a crushing hammer and used for detecting the pressure in the crushing pilot oil path, and the crushing pilot pressure sensor is connected with the input end of the controller.
The number of the acceleration sensors is two, the acceleration sensors are respectively a first acceleration sensor and a second acceleration sensor, the first acceleration sensor and the second acceleration sensor are respectively connected with the input end of the controller, the controller collects data of the first acceleration sensor and the second acceleration sensor, and after analysis processing, the impact effect and the impact frequency of the breaking hammer are confirmed.
Install pressure sensor on the main pump oil-out, an oil-out pressure for detecting the main pump, the main pump is including first main pump and the second main pump of establishing ties, install a pump pressure sensor on the oil-out of first main pump, install a pump two pressure sensor on the oil-out of second main pump, a pump pressure sensor all is connected with the input of controller with a pump two pressure sensor, install broken oil feed pressure sensor on broken oil feed return circuit, a pressure for detecting in the broken oil feed return circuit, broken oil feed pressure sensor is connected with the input of controller.
And the breaking hammer proportional overflow valve is communicated with the breaking oil return circuit and the breaking oil inlet circuit and is connected with the output end of the controller.
The first pump proportional electromagnetic valve is installed on an output oil path of the first main pump, the second pump proportional electromagnetic valve is installed on an output oil path of the second main pump, and the first pump proportional electromagnetic valve and the second pump proportional electromagnetic valve are both connected with the output end of the controller.
The system also comprises a display, wherein the display is connected with the controller through a bus and is used for parameter setting or mode selection of the system.
In this embodiment, the display is a touch display, and other devices capable of displaying and controlling may be selected, and the connection between the display and the controller is prior art, and therefore will not be discussed in detail.
The working principle of the present disclosure is as follows:
when the user selects acquiescent control mode, broken guide's pressure sensor signal is gathered to the controller, and when the broken guide's pressure sensor's of gathering pressure signal was higher than the settlement pressure, system automatic switch-over was broken mode, and the simultaneous control ware carries out quartering hammer relevant control in step, specifically is: the system comprises a first pump pressure sensor, a second pump pressure sensor and a crushing oil inlet pressure sensor which are collected by a controller, and signals of the three collected signals are compared, so that the pressure of a crushing hammer proportional overflow valve is set to be higher than the pressure of the three when normal action is carried out, a first pump proportional electromagnetic valve and a second pump proportional electromagnetic valve are controlled simultaneously, the actual demand of a crushing hammer end is met by automatically adjusting the flow of a main pump, and when the pressure of the main pump is higher than the set highest safety pressure of the crushing hammer, the crushing hammer proportional overflow valve is controlled to maintain the set highest safety pressure.
When the controller detects that the crushing pilot pressure sensor has no signal, the system automatically restores to the standard mode of the excavator without independently switching the mode by a user.
In addition, when the crushing operation, the controller gathers the detection data of deceleration sensor one and acceleration sensor two, to the data analysis processing back of gathering, confirms the impact effect and the impact frequency of quartering hammer, the condition of automated inspection quartering hammer operation, convenience of customers looks over striking effect and crushing frequency, also can be according to the data of predetermineeing in advance simultaneously, the automatic control main pump flow realizes the real-time matching of quartering hammer and complete machine flow, improves the operating efficiency.
The automatic control system for the crushing working condition of the excavator can realize automatic control of the crushing working condition, can manually select a crushing mode or other modes, and adopts a default mode as the automatic control mode for the crushing working condition.
Example 2
In the embodiment, an excavator is disclosed, and the excavator adopts the automatic control system for the crushing condition of the excavator in the embodiment 1.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. The automatic control system for the crushing working condition of the excavator is characterized by comprising a crushing pilot pressure sensor, an acceleration sensor, a pressure sensor, a crushing oil inlet pressure sensor, a crushing hammer proportional overflow valve and a proportional solenoid valve, wherein the crushing pilot pressure sensor is arranged on a crushing pilot oil path of a crushing hammer, the acceleration sensor is arranged on the crushing hammer, the pressure sensor is arranged on a main pump, the crushing oil inlet pressure sensor is arranged on a crushing oil inlet loop, the crushing hammer proportional overflow valve is arranged between a crushing oil return loop and a crushing oil inlet loop, the proportional solenoid valve is arranged on the main pump, the crushing pilot pressure sensor, the acceleration sensor, the pressure sensor, the crushing oil inlet pressure sensor, the crushing hammer proportional overflow valve.
2. The automatic control system for the crushing working condition of the excavator as claimed in claim 1, wherein the crushing pilot pressure sensor, the acceleration sensor, the pressure sensor and the crushing oil inlet pressure sensor are all connected with the input end of the controller, and the crushing hammer proportional overflow valve and the proportional solenoid valve are connected with the output end of the controller.
3. The automatic control system for the crushing condition of the excavator as claimed in claim 1, wherein the main pump comprises a first main pump and a second main pump, and the first main pump and the second main pump are connected in series.
4. The automatic control system for the crushing condition of the excavator as claimed in claim 3, wherein a first pump pressure sensor is mounted at the oil outlet of the first main pump, a second pump pressure sensor is mounted at the oil outlet of the second main pump, and the first pump pressure sensor and the second pump pressure sensor are both connected with the input end of the controller.
5. The automatic control system for the crushing condition of the excavator as claimed in claim 3, wherein a first pump proportional solenoid valve is mounted on an output oil path of the first main pump, a second pump proportional solenoid valve is mounted on an output oil path of the second main pump, and the first pump proportional solenoid valve and the second pump proportional solenoid valve are both connected with an output end of the controller.
6. The automatic control system for the crushing working condition of the excavator as claimed in claim 1, wherein the number of the acceleration sensors mounted on the crushing hammer is two, and the acceleration sensors are a first acceleration sensor and a second acceleration sensor, and the first acceleration sensor and the second acceleration sensor are both connected with the input end of the controller.
7. The automatic control system for the crushing working condition of the excavator as claimed in claim 1, wherein the crushing hammer proportional overflow valve is an electrically controlled overflow valve.
8. The automatic control system for the crushing condition of the excavator as claimed in claim 1, wherein the display is connected with the controller through a bus.
9. The automatic control system for the crushing working condition of the excavator as claimed in claim 1, wherein the display is a touch display.
10. An excavator, characterized in that an excavator crushing condition automatic control system according to any one of claims 1-9 is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020715165.8U CN212026406U (en) | 2020-04-30 | 2020-04-30 | Automatic control system for crushing working condition of excavator and excavator |
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| CN202020715165.8U CN212026406U (en) | 2020-04-30 | 2020-04-30 | Automatic control system for crushing working condition of excavator and excavator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126552A (en) * | 2021-05-08 | 2021-07-16 | 雷沃工程机械集团有限公司 | Intelligent crushing control method and excavator |
| CN114384957A (en) * | 2022-01-17 | 2022-04-22 | 雷沃工程机械集团有限公司 | Intelligent control system and method for crushing working condition of excavator |
| CN115030248A (en) * | 2022-06-29 | 2022-09-09 | 中联重科土方机械有限公司 | Positive flow excavator and crushing control method, crushing control device and controller thereof |
-
2020
- 2020-04-30 CN CN202020715165.8U patent/CN212026406U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126552A (en) * | 2021-05-08 | 2021-07-16 | 雷沃工程机械集团有限公司 | Intelligent crushing control method and excavator |
| CN114384957A (en) * | 2022-01-17 | 2022-04-22 | 雷沃工程机械集团有限公司 | Intelligent control system and method for crushing working condition of excavator |
| CN115030248A (en) * | 2022-06-29 | 2022-09-09 | 中联重科土方机械有限公司 | Positive flow excavator and crushing control method, crushing control device and controller thereof |
| CN115030248B (en) * | 2022-06-29 | 2024-04-19 | 中联重科土方机械有限公司 | Positive flow excavator, crushing control method thereof, crushing control device and controller |
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Address after: No.75, Huanghe East Road, Huangdao District, Qingdao City, Shandong Province 266599 Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: No.75, Huanghe East Road, Huangdao District, Qingdao City, Shandong Province 266599 Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |
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