CN211013501U - Fault detector for speed changing box of dump truck - Google Patents
Fault detector for speed changing box of dump truck Download PDFInfo
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- CN211013501U CN211013501U CN201922027263.2U CN201922027263U CN211013501U CN 211013501 U CN211013501 U CN 211013501U CN 201922027263 U CN201922027263 U CN 201922027263U CN 211013501 U CN211013501 U CN 211013501U
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Abstract
The utility model discloses a tipper gearbox fault detection appearance, tipper gearbox fault detection appearance includes the control unit, detects the plug, acquires unit and monitoring unit, the control unit is used for sending the control signal of control gearbox, it is in to detect the plug connection the control unit with between the gearbox, it is used for acquireing and exporting to acquire the unit the current status signal of gearbox, the monitoring unit is used for passing through detect the plug and receive control signal with current status signal and contrastive analysis are in order to judge whether the gearbox breaks down, and show control signal. The utility model discloses a tipper gearbox fault detector has improved maintenance efficiency.
Description
Technical Field
The utility model relates to a tipper fault detection technical scheme, more specifically relates to a tipper gearbox fault detection appearance.
Background
The TR100 dumper gearbox operating system transmits an engine throttle position signal and operating signals (a rotating speed signal, a temperature signal, a gear shifting electromagnetic signal and the like) of each part of the gearbox to an ECU (electronic control unit), the ECU outputs an electric signal to a gear shifting electromagnetic valve for gear shifting control through comparison and analysis, when the system runs abnormally, a fault alarm phenomenon occurs, and the system can provide fault codes for maintenance part indication inspection.
However, when some complex faults (such as-/-symbol, continuous gear fault, no gear, slow gear increase, no gear reduction, insufficient power, high oil temperature and the like) occur, fault codes cannot meet accurate indication of maintenance parts, even no fault alarm and code occurs when the operation is abnormal, blind maintenance without thinking of maintenance personnel is caused, the fault detection difficulty is increased, and if the fault cannot be solved in time, the fault is further expanded, and great economic loss is brought.
Disclosure of Invention
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the utility model provides a tipper gearbox fault detection appearance, this fault detection appearance can improve maintenance efficiency.
According to the utility model discloses tipper gearbox fault detection appearance includes: the control unit is used for sending a control signal for controlling the gearbox; a detection plug connected between the control unit and the gearbox; the acquiring unit is used for acquiring a current state signal of the gearbox and outputting the current state signal; and the monitoring unit is used for receiving the control signal and the current state signal through the detection plug, comparing and analyzing the control signal and the current state signal to judge whether the gearbox is in fault or not, and displaying the control signal.
According to the utility model discloses tipper gearbox fault detector is through the transfer interface as gearbox and the control unit with the detection plug to the control signal who draws the control unit output from this transfer interface and the current status signal to the monitoring unit of the gearbox that obtains the unit output, the monitoring unit can carry out contrastive analysis in order to judge whether the gearbox is trouble to control signal and current status signal, and can with control signal shows directly perceivedly, thereby can help the maintainer in time accurately confirm the trouble, in order to improve maintenance efficiency.
In some embodiments, the monitoring unit comprises a display device for displaying the control signal, and the monitoring unit further comprises an alarm device for giving an alarm to the monitoring unit when the monitoring unit determines that the gearbox is faulty.
In some embodiments, the control signals comprise a control gear signal, a control speed signal, a control frequency signal and a control throttle position signal, and the current state signals comprise a current gear signal of the gearbox, an internal speed signal of the gearbox, a frequency signal of the gearbox at each gear and a throttle position signal of the gearbox.
In some embodiments, the display device includes a light emitting diode for displaying the control gear signal, a tachometer for displaying the control speed signal, and a common cathode nixie tube for displaying the control frequency signal and the control throttle position signal.
In some embodiments, the acquiring unit includes a speed sensor, a gear position sensor, a frequency sensor and a throttle position sensor, the speed sensor is configured to acquire and output an internal rotation speed signal of the gearbox and output the internal rotation speed signal, the gear position sensor is configured to acquire and output a current gear signal of the gearbox, the frequency sensor is configured to acquire and output a frequency signal of the gearbox in each gear, and the throttle position sensor is configured to acquire and output a throttle position signal of the gearbox.
In some embodiments, the current state signal further comprises a temperature signal of the transmission, and the obtaining unit further comprises a temperature sensor for obtaining and outputting the temperature signal of the transmission.
In some embodiments, the speed sensors are at least three, the internal speed signals of the gearbox include an input rotational speed signal, an output rotational speed signal and a turbine rotational speed signal, one of the speed sensors is used for acquiring and outputting the input rotational speed signal, another one of the speed sensors is used for acquiring and outputting the output rotational speed signal, and another one of the speed sensors is used for acquiring and outputting the turbine rotational speed signal.
In some embodiments, the monitoring unit includes an electric potential detection device, and the electric potential detection device receives the throttle position signal of the gearbox and the control throttle position signal transmitted by the throttle position sensor, and performs comparative analysis to determine whether the throttle position is normal.
In some embodiments, the monitoring unit includes a frequency detection device, and the frequency detection device receives the frequency signal of the gearbox in each gear and the control frequency signal transmitted by the frequency sensor, and performs comparative analysis to determine whether the frequency meets the requirement.
In some embodiments, the control unit is further configured to receive the current status signal and a transmission jam signal and to issue the control signal in dependence on the current status signal and the jam signal.
Drawings
Fig. 1 is a schematic diagram of a failure detector for a gearbox of a dump truck according to an embodiment of the present invention.
Reference numerals:
the device comprises a control unit 100, a detection plug 200, an acquisition unit 300, a monitoring unit 400, a display device 401, an alarm device 402, a potential detection device 403 and a frequency detection device 404.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the failure detector for the gearbox of the dump truck according to the embodiment of the present invention includes a control unit 100, a detection plug 200, an acquisition unit 300 and a monitoring unit 400.
The control unit 100 is arranged to issue control signals for controlling the gearbox.
The detection plug 200 is connected between the control unit 100 and the transmission case. In other words, the detection plug 200 is connected between the jack of the control unit 100 and the transmission harness, and the detection plug 200 serves as a relay interface between the jack of the control unit 100 and the transmission harness.
The obtaining unit 300 is configured to obtain a current state signal of the transmission and output the current state signal. In other words, the obtaining unit 300 is capable of detecting the current state of the gearbox in real time and outputting a current state signal of the gearbox.
The monitoring unit 400 is used for receiving the control signal and the current state signal through the detection plug 200, comparing and analyzing the control signal and the current state signal to judge whether the gearbox is in fault or not, and displaying the control signal. In other words, the current state signal of the transmission output by the obtaining unit 300 and the control signal sent by the control unit 100 can be extracted from the detection plug 200 and transmitted to the monitoring unit 400, the monitoring unit 100 can compare and analyze the current state signal of the transmission and the control signal for controlling the transmission sent by the control unit 100 to judge whether the transmission is in fault, and can also display the control signal for controlling the transmission sent by the control unit 100, so that a maintainer can be helped to determine the fault accurately in time, and the overhauling efficiency is improved.
Specifically, if the current state signal of the transmission is not consistent with the control signal for controlling the transmission sent by the control unit 100, the transmission is failed; if the current state signal of the gearbox is consistent with the control signal sent by the control unit 100 for controlling the gearbox, the gearbox operates normally.
According to the utility model discloses tipper gearbox fault detection appearance, through the transfer interface as gearbox and the control unit 100 with detection plug 200, and extract the control signal of the control unit 100 output and obtain the current status signal to the monitor unit 400 of the gearbox of unit 300 output in this transfer interface, monitor unit 400 can carry out contrastive analysis in order to judge whether the gearbox breaks down to control signal and current status signal, and can show control signal directly perceivedly, the blind maintenance problem of staff owing to technical ability and experience are not enough brought has been solved, maintenance efficiency when having improved a lot of difficult faults and taking place, can in time accurately seek the trouble, the economic loss of fault enlargement bringing has been avoided.
In some embodiments, the monitoring unit 400 comprises a display device 401 for displaying the control signal. In other words, the monitoring unit 400 intuitively displays the control signal for controlling the transmission, which is sent from the control unit 100, through the display device 401.
The monitoring unit 400 further comprises alarm means 402 for giving an alarm when the monitoring unit 400 determines that the gearbox is malfunctioning. In other words, after the monitoring unit 400 compares and analyzes the control signal output by the control unit 100 and the current state signal of the transmission, if the current state signal of the transmission is inconsistent with the control signal output by the control unit 100, the monitoring unit 400 determines that the transmission is faulty, and the alarm device 402 gives an alarm to prompt the operator that the transmission of the dump truck is abnormally operated.
In some embodiments, the control signals include a control gear signal, a control speed signal, a control frequency signal, and a control throttle position signal. In other words, the control signals issued by the control unit 100 to control the gearbox comprise signals to control the gear of the gearbox, signals to control the internal rotational speed of the gearbox, signals to control the operating frequency of the gearbox and signals to control the throttle position of the gearbox. It will be appreciated that the control signal issued by the control unit 100 to control the gearbox is not limited thereto.
The current state signal comprises a current gear signal of the gearbox, an internal rotating speed signal of the gearbox, a frequency signal of the gearbox in each gear and an accelerator position signal of the gearbox. In other words, the current state signal of the gearbox acquired by the acquisition unit 300 comprises a real-time gear signal of the gearbox, a real-time internal rotational speed signal of the gearbox, a real-time frequency signal of the gearbox and a real-time throttle position signal of the gearbox. It is to be understood that the current state signal of the transmission acquired by the acquisition unit 300 is not limited thereto.
Specifically, the monitoring unit 400 may receive a signal for controlling the gear of the transmission and a current gear signal of the transmission and compare and analyze the two signals; the signal for controlling the internal rotating speed of the gearbox and the real-time internal rotating speed signal of the gearbox can be received and compared and analyzed; the signal for controlling the working frequency of the gearbox and the real-time frequency signal of the gearbox can be received and compared and analyzed; the control method can receive signals for controlling the position of the accelerator of the gearbox and real-time signals for controlling the position of the accelerator of the gearbox, and compare and analyze the signals, so that whether the gearbox is in fault or not is judged according to the comparison and analysis result.
In some embodiments, display device 401 includes a light emitting diode for displaying the control gear signal, a tachometer for displaying the control gear signal, and a common cathode nixie tube for displaying the control frequency signal and the control throttle position signal. In other words, the signal for controlling the gear of the transmission sent by the control unit 100 can be displayed through the light emitting diode, so as to visually display the gear of the transmission controlled by the control unit 100; the signal for controlling the internal rotation speed of the gearbox sent by the control unit 100 can be displayed through a tachometer so as to visually display the internal rotation speed of the gearbox controlled by the control unit 100; the signal for controlling the working frequency of the gearbox by the control unit 100 and the signal for controlling the position of the accelerator of the gearbox can be digitally displayed through a common cathode nixie tube, so that the frequency of the gearbox controlled by the control unit 100 and the position of the accelerator controlled by the control unit 100 can be visually displayed.
In some embodiments, the acquisition unit 300 includes a speed sensor, a gear position sensor, a frequency sensor, and a throttle position sensor.
The speed sensor is used for acquiring and outputting an internal rotating speed signal of the gearbox. In other words, the speed sensor may detect the internal rotational speed of the gearbox in real time and output the real-time internal rotational speed signal.
The gear position sensor is used for acquiring and outputting a current gear signal of the gearbox. In other words, the gear position sensor may detect a real-time gear of the gearbox and output the real-time gear signal.
The frequency sensor is used for acquiring and outputting frequency signals of the gearbox in each gear. In other words, the frequency sensor can detect data such as the input signal, the turbine signal, and the pulse frequency and the frequency ratio of the output signal during operation of each gear in real time, and output the real-time frequency data.
The accelerator position sensor is used for acquiring an accelerator position signal of the gearbox and outputting the accelerator position signal of the gearbox. In other words, the throttle position sensor may detect the throttle position of the transmission in real time and output the real-time throttle position signal.
In some embodiments, the current state signal further includes a temperature signal of the transmission, and the obtaining unit 300 further includes a temperature sensor for obtaining the temperature signal of the transmission and outputting the temperature signal of the transmission. In other words, the temperature sensor may detect the temperature of the transmission in real time and output the real-time temperature signal.
In some embodiments, the speed sensors are at least three, the internal speed signals of the transmission include an input speed signal, an output speed signal and a turbine speed signal, one of the speed sensors is used for acquiring and outputting the input speed signal, another speed sensor is used for acquiring and outputting the output speed signal, and another speed sensor is used for acquiring and outputting the turbine speed signal.
In some embodiments, the monitoring unit 400 includes a potential detecting device 403, and the potential detecting device 403 receives the throttle position signal of the transmission and the control throttle position signal transmitted by the throttle position sensor, and performs a comparative analysis to determine whether the throttle position is normal. In other words, the electric potential detecting device 403 may extract the real-time throttle position signal of the transmission detected by the throttle position sensor and the throttle position signal for controlling the transmission sent by the control unit 100 from the detection plug 200 to compare and analyze the two signals, so as to determine whether the throttle position is normal.
In some embodiments, the monitoring unit 400 includes a frequency detecting device 404, and the frequency detecting device 404 receives the frequency signal of the transmission in each gear and the control frequency signal transmitted by the frequency sensor, and performs a comparative analysis to determine whether the frequency is satisfactory. In other words, the frequency detection device 404 may extract the real-time frequency signal of the transmission detected by the frequency sensor and the signal for controlling the frequency of the transmission sent by the control unit 100 from the detection plug 200 to perform a comparison analysis between the two signals, so as to determine whether the frequency data of the transmission is normal.
In some embodiments, the control unit 100 is further adapted to receive a current status signal and a gearbox jam signal and to issue a control signal in dependence on the current status signal and the jam signal. In other words, the obtaining unit 300 may transmit the detected current state signal of the transmission to the control unit 100, the monitoring unit 400 may transmit the determined fault signal to the control unit 100, the control unit 100 determines whether to adjust the operating state of the transmission according to the current state signal and the fault signal of the transmission, and if the adjustment is required, sends a corresponding control signal to the transmission again.
The following describes a failure detector for a gearbox of a dump truck according to a specific embodiment of the present invention with reference to fig. 1.
As shown in fig. 1, according to the utility model discloses tipper gearbox fault detector includes the control unit 100, detects plug 200, acquires unit 300 and monitoring unit 400, and this fault detector is used for detecting whether the gearbox of tipper is malfunctioning.
Wherein the test plug 200 is connected between the jack of the control unit 100 and the transmission wiring harness. The control unit 100 may send control signals to the gearbox, and the control signals include a signal controlling an input rotational speed of the gearbox, a signal controlling an output rotational speed of the gearbox, a signal controlling a turbine rotational speed of the gearbox, a signal controlling a gear of the gearbox, a signal controlling a frequency of the gearbox, a signal controlling a throttle position of the gearbox, and the like.
The obtaining unit 300 may detect a current state of the transmission in real time and output the current state signal. Specifically, the acquisition unit 300 includes a speed sensor, a shift position sensor, a frequency sensor, an accelerator position sensor, a temperature sensor, and the like. The speed sensor is used for detecting the input rotating speed of the gearbox in real time and outputting a signal of the input rotating speed, the other speed sensor is used for detecting the output rotating speed of the gearbox in real time and outputting a signal of the output rotating speed, and the other speed sensor is used for detecting the turbine rotating speed of the gearbox in real time and outputting a signal of the turbine rotating speed.
The gear position sensor is used for detecting the real-time gear of the gearbox in real time and outputting a signal of the real-time gear. The frequency sensor is used for detecting the frequency data of the gearbox in each gear in real time and outputting a signal of the real-time frequency. The accelerator position sensor is used for detecting the accelerator position of the gearbox in real time and outputting a signal of the real-time accelerator position. The temperature sensor is used for detecting the temperature of the gearbox in real time and outputting a signal of the real-time temperature.
Correspondingly, the current state signal of the gearbox comprises an input rotating speed signal of the gearbox, an output rotating speed signal of the gearbox, a turbine rotating speed signal of the gearbox, a current gear signal of the gearbox, a frequency signal of the gearbox and an accelerator position signal of the gearbox.
The above-mentioned current state signal of the gearbox detected by the acquisition unit 300 may be transmitted to the control unit 100.
The detection plug 200 serves as a transfer interface between the transmission case and the control unit 100, the control signal output by the control unit 100 and the current state signal of the transmission case output by the acquisition unit 300 can be extracted from the transfer interface and sent to the monitoring unit 400, the monitoring unit 400 can compare and analyze the control signal and the current state signal, and if the control signal output by the control unit 100 is consistent with the current state signal of the transmission case, the transmission case operates normally; if not, then the gearbox trouble to can show control signal directly perceivedly, thereby can help the maintainer in time accurately confirm the trouble, with improvement maintenance efficiency.
Specifically, the monitoring unit 400 includes a display device 401, and the display device 401 intuitively displays a control signal for controlling the transmission from the control unit 100. Wherein the display device 401 comprises a light emitting diode, a tachometer, and a common cathode nixie tube.
The signal from the control unit 100 controlling the gear of the gearbox may be displayed by means of a light emitting diode to visually display the gear in which the control unit 100 controls the gearbox.
The signal from the control unit 100 controlling the internal rotational speed of the gearbox may be displayed by a tachometer to visually indicate that the control unit 100 is controlling the internal rotational speed of the gearbox.
The signal for controlling the working frequency of the gearbox by the control unit 100 and the signal for controlling the position of the accelerator of the gearbox can be digitally displayed through a common cathode nixie tube, so that the frequency of the gearbox controlled by the control unit 100 and the position of the accelerator controlled by the control unit 100 can be visually displayed.
Further, the monitoring unit 400 further comprises an alarm device 402, and when the monitoring unit 400 determines that the gearbox is out of order, the alarm device 402 gives an alarm to prompt staff.
In addition, the monitoring unit 400 may receive and compare a signal for controlling a gear of the transmission and a current gear signal of the transmission; the signal for controlling the internal rotating speed of the gearbox and the real-time internal rotating speed signal of the gearbox can be received and compared and analyzed; the signal for controlling the working frequency of the gearbox and the real-time frequency signal of the gearbox can be received and compared and analyzed; the control method can receive signals for controlling the position of the accelerator of the gearbox and real-time signals for controlling the position of the accelerator of the gearbox, and compare and analyze the signals, so that whether the gearbox is in fault or not is judged according to the comparison and analysis result.
Specifically, the monitoring unit 400 further includes a potential detection device 403 and a frequency detection device 404. The electric potential detecting device 403 can extract the real-time throttle position signal of the transmission detected by the throttle position sensor and the throttle position signal for controlling the transmission sent by the control unit 100 from the detecting plug 200, so as to compare and analyze the two signals, thereby determining whether the throttle position is normal.
The frequency detection device 404 may extract the real-time frequency signal of the transmission detected by the frequency sensor and the signal for controlling the frequency of the transmission sent by the control unit 100 from the detection plug 200 to perform a comparison analysis between the two signals, so as to determine whether the frequency data of the transmission is normal.
Further, the acquisition unit 300 may transmit a current state signal of the gearbox to the control unit 100, and the monitoring unit 400 may transmit a fault signal to the control unit 100. The control unit 100 determines whether to adjust the operating state of the gearbox according to the current state signal and the fault signal of the gearbox, and if so, sends a corresponding control signal to the gearbox again.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In addition to this, the present invention is,
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A failure detector for a gearbox of a dump truck is characterized by comprising:
the control unit is used for sending a control signal for controlling the gearbox;
a detection plug connected between the control unit and the gearbox;
the acquiring unit is used for acquiring a current state signal of the gearbox and outputting the current state signal;
and the monitoring unit is used for receiving the control signal and the current state signal through the detection plug, comparing and analyzing the control signal and the current state signal to judge whether the gearbox is in fault or not, and displaying the control signal.
2. The dumper gearbox fault detector according to claim 1, wherein the monitoring unit comprises a display device for displaying the control signal, and the monitoring unit further comprises an alarm device for giving an alarm to the monitoring unit when the monitoring unit determines that the gearbox is faulty.
3. The dumper gearbox fault detector according to claim 2, wherein the control signal comprises a control gear signal, a control rotation speed signal, a control frequency signal and a control throttle position signal, and the current state signal comprises a current gear signal of the gearbox, an internal rotation speed signal of the gearbox, a frequency signal of the gearbox at each gear and a throttle position signal of the gearbox.
4. The dumper gearbox fault detector according to claim 3, wherein the display device comprises a light emitting diode, a tachometer and a common cathode nixie tube, the light emitting diode is used for displaying the control gear signal, the tachometer is used for displaying the control speed signal, and the common cathode nixie tube is used for displaying the control frequency signal and the control throttle position signal.
5. The dumper gearbox fault detector according to claim 3, wherein the acquiring unit comprises a speed sensor, a gear position sensor, a frequency sensor and a throttle position sensor, the speed sensor is used for acquiring and outputting an internal rotating speed signal of the gearbox, the gear position sensor is used for acquiring and outputting a current gear signal of the gearbox, the frequency sensor is used for acquiring and outputting a frequency signal of the gearbox in each gear, and the throttle position sensor is used for acquiring and outputting a throttle position signal of the gearbox.
6. The dumper gearbox fault detector according to claim 5, wherein the current state signal further comprises a temperature signal of the gearbox, and the acquisition unit further comprises a temperature sensor for acquiring and outputting the temperature signal of the gearbox.
7. The dumper gearbox fault detector according to claim 5, wherein the number of the speed sensors is at least three, the internal speed signals of the gearbox include an input rotation speed signal, an output rotation speed signal and a turbine rotation speed signal, one of the speed sensors is used for acquiring and outputting the input rotation speed signal, the other speed sensor is used for acquiring and outputting the output rotation speed signal, and the other speed sensor is used for acquiring and outputting the turbine rotation speed signal.
8. The dumper gearbox fault detector according to claim 5, wherein the monitoring unit comprises a potential detection device, and the potential detection device receives the throttle position signal of the gearbox and the control throttle position signal transmitted by the throttle position sensor, and performs comparative analysis to judge whether the throttle position is normal.
9. The dumper gearbox fault detector according to claim 5, wherein the monitoring unit comprises a frequency detection device, and the frequency detection device receives the frequency signal of the gearbox at each gear and the control frequency signal transmitted by the frequency sensor, and performs comparative analysis to judge whether the frequency meets the requirement.
10. The dump truck transmission malfunction detector according to any one of claims 1 to 9, wherein the control unit is further configured to receive the current status signal and a transmission malfunction signal and to issue the control signal according to the current status signal and the transmission malfunction signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201922027263.2U CN211013501U (en) | 2019-11-21 | 2019-11-21 | Fault detector for speed changing box of dump truck |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922027263.2U CN211013501U (en) | 2019-11-21 | 2019-11-21 | Fault detector for speed changing box of dump truck |
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| CN211013501U true CN211013501U (en) | 2020-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211999A (en) * | 2020-09-03 | 2021-01-12 | 扎鲁特旗扎哈淖尔煤业有限公司 | Fault maintenance instrument for speed changing box of dump truck |
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2019
- 2019-11-21 CN CN201922027263.2U patent/CN211013501U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211999A (en) * | 2020-09-03 | 2021-01-12 | 扎鲁特旗扎哈淖尔煤业有限公司 | Fault maintenance instrument for speed changing box of dump truck |
| CN112211999B (en) * | 2020-09-03 | 2022-03-29 | 扎鲁特旗扎哈淖尔煤业有限公司 | Fault maintenance instrument for speed changing box of dump truck |
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