CN220505483U - Instrument protection device, hydraulic system and tractor - Google Patents
Instrument protection device, hydraulic system and tractor Download PDFInfo
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- CN220505483U CN220505483U CN202322182484.3U CN202322182484U CN220505483U CN 220505483 U CN220505483 U CN 220505483U CN 202322182484 U CN202322182484 U CN 202322182484U CN 220505483 U CN220505483 U CN 220505483U
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- meter
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- 238000004891 communication Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 description 9
- 230000002035 prolonged effect Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides an instrument protection device, a hydraulic system and a tractor, wherein the instrument protection device comprises: a pipeline component; the instrument is connected with the pipeline component; the switch component is arranged between the pipeline component and the instrument and is respectively communicated with the pipeline component and the instrument; the switch component is switchably arranged between a communicating state and a cutting-off state, and when the switch component is in the communicating state, the instrument is communicated with the pipeline component through the switch component; when the switch member is in the off state, the meter is disconnected from the line member. The instrument protection device solves the problem that instruments of a hydraulic system of a tractor in the prior art are easy to damage.
Description
Technical Field
The utility model relates to the technical field of tractors, in particular to an instrument protection device, a hydraulic system and a tractor.
Background
The tractor is used for drawing and driving the working machine to complete various mobile working self-propelled power machines, and can also be used as fixed working power. The tractor consists of engine, transmission, walking, steering, hydraulic suspension, power output, electric instrument, driving operation and traction system or device.
Currently, for some important working conditions, it is necessary to monitor the working pressure of the hydraulic system of the tractor in real time, and the hydraulic system is generally directly communicated with the pressure gauge by means of a joint box hose.
However, in the use process of the tractor, the pressure of the hydraulic system can be greatly changed due to more abrupt change of the working load, and the pressure impact is easily caused to cause the internal damage of the instrument.
Disclosure of Invention
The utility model mainly aims to provide an instrument protection device, a hydraulic system and a tractor, so as to solve the problem that instruments of the hydraulic system of the tractor in the prior art are easy to damage.
In order to achieve the above object, according to a first aspect of the present utility model, there is provided an instrument protection device adapted for use in a hydraulic system of a tractor, the instrument protection device comprising: a pipeline component; the instrument is connected with the pipeline component; the switch component is arranged between the pipeline component and the instrument and is respectively communicated with the pipeline component and the instrument; the switch component is switchably arranged between a communicating state and a cutting-off state, and when the switch component is in the communicating state, the instrument is communicated with the pipeline component through the switch component; when the switch member is in the off state, the meter is disconnected from the line member.
Further, the switch member includes a valve having a communication state and a shut-off state, and a pressure sensor; the pressure sensor is used for detecting the pressure in the pipeline component; the instrument protection device further comprises a controller, the pressure sensor and the valve are both in communication connection with the controller, and the controller receives the pressure detected by the pressure sensor; and when the pressure is greater than the preset pressure, the controller controls the valve to switch to the cut-off state.
Further, the valve comprises a valve body and a switch, and the switch is connected with the valve body to control the on-off of the valve body by manually opening and closing the switch.
Further, the meter protection device further includes: the first end of the first connecting pipe is connected and communicated with the pipeline component, and the second end of the first connecting pipe is connected and communicated with the instrument; the switch component is arranged on the first connecting pipe and is positioned between the first end and the second end of the first connecting pipe.
Further, the meter protection device further includes: the inlet and the outlet of the pipeline component are communicated with the oil tank; the oil pump is arranged on the pipeline component, and the first end of the first connecting pipe is positioned at one side of the oil pump away from the inlet of the pipeline component.
Further, the meter protection device further includes: the first filter is arranged on the first connecting pipe and is positioned between the first end of the first connecting pipe and the switch component.
Further, the meter protection device further includes: and the second filtering piece is arranged on the pipeline component and is positioned between the oil pump and the inlet of the pipeline component.
Further, the meter protection device further includes: and the alarm is in communication connection with the controller so that the controller controls the alarm to alarm when the pressure is greater than the preset pressure.
According to a second aspect of the present utility model, there is provided a hydraulic system comprising: a working device; the instrument protection device is characterized in that the working device is communicated with a pipeline component of the instrument protection device.
According to a third aspect of the present utility model there is provided a tractor comprising a hydraulic system as described above.
By applying the technical scheme of the utility model, the instrument protection device comprises a pipeline component, an instrument and a switch component, wherein the switch component is arranged between the pipeline component and the instrument, the switch component is respectively communicated with the pipeline component and the instrument, and has a communication state and a cutting-off state; when the pressure in the pipeline component is smaller than or equal to the preset pressure, the switch component is switched to a communication state, so that the instrument is communicated with the pipeline component, and the instrument can be normally used. Therefore, the instrument protection device is provided with the switch component, so that even if the work load of the tractor is suddenly changed, the pressure of the hydraulic system is greatly changed, the instrument is not damaged due to pressure impact, the instrument is effectively protected, and the service life of the instrument is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 shows a schematic view of an embodiment of a meter protection according to the present utility model.
Wherein the above figures include the following reference numerals:
10. a pipeline component; 20. a meter; 30. a switching part; 31. a valve; 40. a first connection pipe; 50. an oil tank; 60. an oil pump; 70. a working device.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. 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 in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The present utility model provides an instrument protection device, please refer to fig. 1, which is suitable for a hydraulic system of a tractor, the instrument protection device comprises: a pipeline component 10; a meter 20 connected to the pipe member 10; a switch part 30 disposed between the pipe part 10 and the meter 20, the switch part 30 being respectively communicated with the pipe part 10 and the meter 20; the switch part 30 is switchably provided between a communicating state and a shut-off state, and the meter 20 communicates with the pipe part 10 through the switch part 30 when the switch part 30 is in the communicating state; when the switch member 30 is in the off state, the meter 20 is disconnected from the line member 10.
The instrument protection device is applied to a hydraulic system of a tractor, and comprises a pipeline component 10, an instrument 20 and a switch component 30, wherein the switch component 30 is arranged between the pipeline component 10 and the instrument 20, the switch component 30 is respectively communicated with the pipeline component 10 and the instrument 20, and the switch component 30 has a communicating state and a cutting-off state, in the working process, the switch component 30 can selectively process the communicating state or the cutting-off state according to the pressure in the pipeline component 10, and when the pressure in the pipeline component 10 is higher than the preset pressure, the switch component 30 is switched to the cutting-off state to disconnect the instrument 20 from the pipeline component 10 so as to protect the instrument 20; when the pressure in the pipe section 10 is less than or equal to the preset pressure, the switch section 30 is switched to the communication state, so that the meter 20 is communicated with the pipe section 10, and the meter 20 can be used normally. Therefore, by arranging the switch component 30, even if the work load of the tractor is suddenly changed, the pressure of the hydraulic system is greatly changed, the instrument is not damaged due to pressure impact, the instrument is effectively protected, and the service life of the instrument is prolonged.
In particular, the meter 20 may be a pressure gauge, a flow meter, or other meters used in hydraulic systems for monitoring system parameters.
In the present embodiment, the switching member 30 includes a valve 31 and a pressure sensor, the valve 31 having a communication state and a shut-off state; the pressure sensor is used for detecting the pressure in the pipeline component 10; the instrument protection device further comprises a controller, the pressure sensor and the valve 31 are both in communication connection with the controller, and the controller receives the pressure detected by the pressure sensor; and when the pressure is greater than the preset pressure, the controller controls the valve 31 to be switched to the cut-off state.
In particular, the pressure sensor detects the pressure in the pipe part 10 and transmits the detected pressure to the controller, the controller compares the received pressure with a preset pressure, when the pressure is greater than the preset pressure, the controller controls the valve 31 to switch to the cut-off state, and when the pressure is less than or equal to the preset pressure, the controller controls the valve 31 to switch to the communication state. The meter protection device prevents damage to the inside of the meter 20 due to impact caused by excessive load variation by providing the valve 31, the pressure sensor and the controller.
In the present embodiment, the valve 31 includes a valve body and a switch connected to the valve body to control on-off of the valve body by manually opening and closing the switch. In particular, when the meter 20 is required during operation, the valve body can be manually controlled to switch the valve 31 between the on-state and the off-state.
In this embodiment, as shown in fig. 1, the meter protecting device further includes a first connecting tube 40, a first end of the first connecting tube 40 is connected to and communicates with the pipe member 10, and a second end of the first connecting tube 40 is connected to and communicates with the meter 20; the switching part 30 is disposed on the first connection pipe 40 between the first end and the second end of the first connection pipe 40.
In specific implementation, the switch component 30 is switchably arranged between a communication state and a cut-off state, so as to control the on-off of the first connecting pipe 40, so that when the first connecting pipe 40 is in a passage state, the instrument 20 is communicated with the pipeline component 10 through the first connecting pipe 40, and the instrument 20 can be normally used; and disconnects the meter 20 from the line member 10 when the first connection pipe 40 is in the open state to protect the meter 20.
Specifically, the first connecting tube 40 is a hard tube, and such an arrangement facilitates the installation of the switching member 30.
In this embodiment, as shown in fig. 1, the meter protection device further includes: the oil tank 50, the inlet and outlet of the pipeline component 10 are communicated with the oil tank 50; the oil pump 60 is arranged on the pipeline component 10, and the first end of the first connecting pipe 40 is positioned on one side of the oil pump 60 away from the inlet of the pipeline component 10.
In particular embodiments, the oil tank 50 provides oil to the hydraulic system working device 70, the oil pump 60 provides power for the oil, and the first end of the first connecting pipe 40 is located at a side of the oil pump 60 away from the inlet of the pipeline component 10, so that the pressure of the pipeline component 10 can be accurately detected.
In this embodiment, the meter protection further includes a first filter disposed on the first connecting tube 40 between the first end of the first connecting tube 40 and the switch member 30. In specific implementation, since the switch component 30 is disposed on the first connecting pipe 40, the first filter can filter the oil passing through the switch component 30 first, so as to avoid inaccurate value detected by the meter 20 due to blockage of the switch component 30 by impurities in the oil.
In this embodiment, the meter guard also includes a second filter element disposed on the line member 10 between the oil pump 60 and the inlet of the line member 10. In particular, a second filter is provided between the oil pump 60 and the inlet of the pipe section 10 to filter the oil, so as to prevent impurities in the oil from blocking the oil pump 60 and the switching section 30.
In this embodiment, the instrument protection device further includes an alarm communicatively connected to the controller, so that the controller controls the alarm to alarm when the pressure is greater than a preset pressure.
In particular, the pressure sensor detects the pressure in the pipeline component 10 and transmits the detected pressure to the controller, the controller compares the received pressure with a preset pressure, and when the pressure is greater than the preset pressure, the controller controls the valve 31 to switch to the cut-off state and gives an alarm at the same time, and an abnormal signal of the instrument 20 is transmitted to the operator, so that the operator can find out and perform corresponding processing in time.
Optionally, the alarm is a buzzer and/or an indicator light. Such a setting enables an operator to find an abnormality in time to handle.
The instrument protection device is developed to solve the problem that the instrument 20 is internally damaged by pressure impact caused by excessive load fluctuation when the instrument 20 is configured in the hydraulic system of the tractor. The specific control principle of the instrument protection device is as follows:
normal state: when the load is small, the oil pump 60 transmits the oil in the oil tank 50 to the working device 70, meanwhile, the pressure oil is transmitted to the valve 31, the valve 31 is in a communicating state, the instrument 20 can be normally used, and if the instrument 20 is a pressure gauge, the instrument 20 can display the pressure of the pipeline component 10 in real time.
Impact state: when the load is changed excessively, causing the oil pressure to be excessively high, the pressure exceeds the preset pressure set by the valve 31, the valve 31 is switched to the shut-off state, and the pressure oil to the meter 20 is shut off, thereby protecting the meter 20.
Special working conditions: in the impact state, the valve 31 is in the cut-off state, closing the oil path to the pressure gauge (i.e., the meter 20), at which time the pressure cannot be observed by the pressure gauge; when observation is needed, the valve 31 can be switched to a communication state by manually pressing the switch of the valve 31, and at the moment, the oil way is communicated with the pressure gauge, so that the observation can be realized; the switch is released, the valve 31 returns to the cut-off state again, and the oil passage to the pressure gauge is cut off.
The utility model also provides a hydraulic system, wherein the hydraulic system comprises a working device 70 and the meter protection device in the above embodiment, and the working device 70 is communicated with the pipeline component 10 of the meter protection device.
When the hydraulic system is specifically implemented, by arranging the instrument protection device, even if the work load of the tractor is suddenly changed more, the pressure of the hydraulic system is greatly changed, the instrument is not damaged due to pressure impact, the instrument is effectively protected, and the service life of the instrument is prolonged.
The utility model also provides a tractor, which comprises the hydraulic system in the embodiment.
When the hydraulic system with the instrument protection device is particularly implemented, even if the work load of the tractor is suddenly changed, the pressure of the hydraulic system is greatly changed, the instrument is not damaged due to pressure impact, the instrument is effectively protected, and the service life of the instrument is prolonged.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
the instrument protection device is applied to a hydraulic system of a tractor, and comprises a pipeline component 10, an instrument 20 and a switch component 30, wherein the switch component 30 is arranged between the pipeline component 10 and the instrument 20, the switch component 30 is respectively communicated with the pipeline component 10 and the instrument 20, and the switch component 30 has a communicating state and a cutting-off state, in the working process, the switch component 30 can selectively process the communicating state or the cutting-off state according to the pressure in the pipeline component 10, and when the pressure in the pipeline component 10 is higher than the preset pressure, the switch component 30 is switched to the cutting-off state to disconnect the instrument 20 from the pipeline component 10 so as to protect the instrument 20; when the pressure in the pipe section 10 is less than or equal to the preset pressure, the switch section 30 is switched to the communication state, so that the meter 20 is communicated with the pipe section 10, and the meter 20 can be used normally. Therefore, by arranging the switch component 30, even if the work load of the tractor is suddenly changed, the pressure of the hydraulic system is greatly changed, the instrument is not damaged due to pressure impact, the instrument is effectively protected, and the service life of the instrument is prolonged.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An instrument protection device, characterized by being adapted for use in a hydraulic system of a tractor, the instrument protection device comprising:
a pipeline component (10);
a meter (20) connected to the line component (10);
a switch member (30) provided between the piping member (10) and the meter (20), the switch member (30) being in communication with the piping member (10) and the meter (20), respectively; the switch component (30) is switchably arranged between a communicating state and a cutting-off state, and when the switch component (30) is in the communicating state, the instrument (20) is communicated with the pipeline component (10) through the switch component (30); when the switch element (30) is in the off state, the meter (20) is disconnected from the line element (10).
2. The meter protection of claim 1, wherein the switch component (30) comprises a valve (31) and a pressure sensor, the valve (31) having the connected state and the disconnected state; the pressure sensor is used for detecting the pressure in the pipeline component (10);
the instrument protection device further comprises a controller, wherein the pressure sensor and the valve (31) are both in communication connection with the controller, and the controller receives the pressure detected by the pressure sensor; and when the pressure is greater than a preset pressure, the controller controls the valve (31) to switch to the cut-off state.
3. The meter protection of claim 2, wherein the valve (31) comprises a valve body and a switch connected to the valve body to control the on-off of the valve body by manually opening and closing the switch.
4. A meter protection as claimed in any one of claims 1 to 3, further comprising:
a first connecting tube (40), a first end of the first connecting tube (40) being connected and in communication with the line member (10), a second end of the first connecting tube (40) being connected and in communication with the meter (20); the switch member (30) is disposed on the first connection tube (40) between the first end and the second end of the first connection tube (40).
5. The meter protection of claim 4, wherein the meter protection further comprises:
-an oil tank (50), the inlet and outlet of the line member (10) being in communication with the oil tank (50);
an oil pump (60) is arranged on the pipeline component (10), and a first end of the first connecting pipe (40) is positioned on one side of the oil pump (60) away from an inlet of the pipeline component (10).
6. The meter protection of claim 4, wherein the meter protection further comprises:
and a first filter member disposed on the first connection pipe (40) and located between a first end of the first connection pipe (40) and the switching member (30).
7. The meter protection of claim 5, wherein the meter protection further comprises:
and a second filter element arranged on the pipe element (10) and located between the oil pump (60) and the inlet of the pipe element (10).
8. The meter protection of claim 2, wherein the meter protection further comprises:
and the alarm is in communication connection with the controller, so that the controller controls the alarm to alarm when the pressure is greater than the preset pressure.
9. A hydraulic system, comprising:
a working device (70);
the meter protection of any one of claims 1 to 8, the working device (70) being in communication with a pipe component (10) of the meter protection.
10. A tractor comprising the hydraulic system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182484.3U CN220505483U (en) | 2023-08-14 | 2023-08-14 | Instrument protection device, hydraulic system and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182484.3U CN220505483U (en) | 2023-08-14 | 2023-08-14 | Instrument protection device, hydraulic system and tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505483U true CN220505483U (en) | 2024-02-20 |
Family
ID=89878815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322182484.3U Active CN220505483U (en) | 2023-08-14 | 2023-08-14 | Instrument protection device, hydraulic system and tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505483U (en) |
-
2023
- 2023-08-14 CN CN202322182484.3U patent/CN220505483U/en active Active
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