CN112378630A - Electric capstan test device - Google Patents
Electric capstan test device Download PDFInfo
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- CN112378630A CN112378630A CN202010694260.9A CN202010694260A CN112378630A CN 112378630 A CN112378630 A CN 112378630A CN 202010694260 A CN202010694260 A CN 202010694260A CN 112378630 A CN112378630 A CN 112378630A
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- sliding support
- winch
- motor
- guide rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to an electric capstan testing device. The device consists of a detection mechanism, a transmission and loading mechanism and an electric control mechanism; the detection mechanism is provided with a sliding support, a pulling pressure sensor, a guide rod support and a base, the detection mechanism is arranged on the sliding support, the guide rods are arranged on two sides of the sliding support, the sliding support and the guide rod are in sliding fit, the guide rod penetrating through the guide rod support is fixed on the base, the pulling pressure sensor is arranged on the guide rod, the sliding support runs along the guide rod, two ends of the pulling pressure sensor are connected through hinges, and the base is provided with a lifting adjustable mechanism. The transmission and loading mechanism is provided with a motor, a gearbox, a transmission shaft, a torque sensor, a loading shaft, a bearing piece and a winch steel cable, the loading shaft is connected with the gearbox through the transmission shaft, the torque sensor is arranged on the transmission shaft, and the motor, the gearbox, the loading shaft and the winch steel cable are respectively provided with a sensor. The invention has the advantages of simple structure, convenient maintenance, accurate detection data and good test repeatability.
Description
Technical Field
The invention belongs to the technical field of automobile part detection, and particularly relates to an electric winch testing device.
Background
Among the prior art, the defect of electric capstan test device for car is: the manufacturing standards are different, more self-made equipment is needed, special equipment is lacked, the test function is limited, the adjustability of the test motor is insufficient, and the function of the matched sensor is single.
Disclosure of Invention
The invention aims to provide an electric capstan test device which can effectively improve the adjustability of the rotating speed and the torque of a test motor, better adapt to the test requirements of winches with different rotating speeds and pulling forces and reliably realize the detection of the pulling force of the winches.
The technical scheme of the invention is as follows: designing an electric capstan testing device, which consists of a detection system, a power system and a control system; the detection mechanism arranged in the detection system consists of a sliding support, a pulling pressure sensor, a guide rod support and a base, the detection mechanism is arranged on the sliding support, the guide rods are respectively arranged at two sides of the sliding support, the sliding support and the guide rod are in sliding fit, the guide rod is fixed on the base through the guide rod support, the sliding support and the base are respectively connected through the pulling pressure sensor by hinges, the sliding support can only run along the direction of the guide rod, and two ends of the pulling pressure sensor are connected through hinges; the transmission and loading mechanism in the power system is provided with a motor, a gearbox, a transmission shaft, a torque sensor, a loading shaft, a bearing piece and a winch steel cable, wherein the loading shaft is connected with the gearbox through the transmission shaft; an electric control mechanism in the control system is provided with a motor controller and a winch controller.
The sliding support of the sample to be detected is fixed on the base through 4 guide rods and 4 guide rod supports; the sliding support is matched with the guide rod through a sliding bearing, so that the influence of friction force on the pull pressure sensor is reduced, and the requirements on the processing and assembling processes are very high; the sliding support can only run along the direction of the guide rods, 4 guide rods can greatly eliminate bending moment generated by the tension of the sample to be detected, balance additional force from the horizontal direction of the sample to be detected, and ensure that the force measured by the tension and pressure sensor is the tension of the winch.
The two ends of the pulling pressure sensor are hinged, the measured value of the pulling pressure sensor is the pulling force of the winch, the sensor is prevented from being damaged by rigid connection, and the sensors with different measuring ranges can be replaced conveniently.
The height of the loading shaft can be adjusted at will through a height adjusting device on a base of the loading shaft, so that a sample to be detected connected with two ends of a winch steel cable and the excircle of a bearing seat main shaft are ensured to be at the same horizontal height, and the force measured by a tension pressure sensor is the stress of the winch steel cable instead of the component force of the winch steel cable.
The gearbox is a multi-gear gearbox and can be adapted to different electric winch tests.
The motor controller can control the driving and loading states of the motor, can change the maximum torque of the motor in the driving state through parameter adjustment to work in cooperation with the fixed sample to be detected, and can also work in cooperation with the fixed sample to be detected through automatically adapting to the pulling force of the pulling pressure sensor.
The winch controller can synchronously control the suction of the clutch of the sample to be detected, the state switching of rope releasing and rope collecting and the period of state switching.
The electric capstan test device is a complete test system, and the electric controller can control the motor controller and the capstan controller to work cooperatively through the information of the data collector, so as to control the state of the sample to be detected and the motor to be executed according to a test method.
The loading shaft base is provided with a worm gear mechanism, so that the lifting function of the bearing seat can be realized, the height of the loading shaft can be adjusted at will, the electric winch to be detected connected with the two ends of the winch steel cable and the excircle of the main shaft of the bearing seat are ensured to be at the same horizontal height, and the force measured by the tension pressure sensor is the stress of the winch steel cable rather than the component force of the winch steel cable.
The tension pressure sensor, the torque sensor and other sensors can monitor the test working conditions: the method comprises a test tension value, a winch rope retraction state, a test working temperature, a current voltage value, a state switching period, a clutch on-off state, fatigue test times and motor operation parameters.
The electric control mechanism in the control system is provided with a motor controller and a winch controller, the motor controller can change the rotating speed and the maximum torque of the motor in a driving state so as to match the pulling force of the winch and simulate the actual working condition, and the winch controller ⒆ can control the winch handle and the clutch switch and realize automatic control through programs.
The beneficial technical effects of the invention are as follows: because the two sides of the sliding support are respectively provided with the guide rods, the sliding support is in sliding fit with the guide rods, and the two ends of the pull pressure sensor are connected by hinges, the sliding support can only run along the direction of the guide rods, and the sensor measurement value of the pull pressure sensor is the winch tension. Meanwhile, the electric control mechanism is provided with the motor controller, so that the rotating speed and the maximum torque of the electric control mechanism in a driving state can be changed at will to match the pulling force of the winch, and the simulation of the actual working condition is realized to the greatest extent. In addition, the base is provided with a lifting adjustable mechanism, so that the bench test can be matched with different types of electric winches. The invention also has the advantages of simple structure, convenient maintenance, accurate detection data and good test repeatability.
Drawings
Fig. 1 is a schematic structural view.
In the figure, 1, a detection mechanism, 2, a transmission and loading mechanism, 3, an electric control mechanism, 4, a sliding support, 5, a tension and pressure sensor, 6, a guide rod, 7, a guide rod support, 8, a base, 9, a motor, 10, a gearbox, 11, a transmission shaft, 12, a torque sensor, 13, a loading shaft, 14, a bearing piece, 15, a winch steel cable, 16, a sensor, 17, an electric controller, 18, a motor controller, 19, a winch controller, 20, a data collector, 21 and a detected sample are shown.
Detailed Description
The invention is further illustrated by the examples provided in the figures.
The first part, the structure is composed.
The embodiment comprises the following steps: the detection mechanism comprises a transmission and loading mechanism, an electric control mechanism and a motor;
the detection mechanism includes: the sliding support comprises a sliding support body, a pull pressure sensor, a guide rod support body and a base;
the transmission includes with the loading mechanism: the motor self-bearing is simple, the gearbox is simple, the transmission shaft, the torque sensor and the loading shaft self-bearing are simple, the winch steel cable is simple, and the sensor is simple and effective;
the electric control mechanism third comprises: the electric controller ⒄, the motor controller, the winch controller ⒆ and the data collector ⒇.
And a second part, the detection process.
2.1 rope-releasing test with load
2.1.1, the electric controller ⒄ controls the driving motor to be in a driving state, and controls the rotation direction of the loading shaft selection mark to be the rope unwinding direction of the sample (21) to be detected, namely the rotation direction of the loading shaft selection mark is consistent with the rotation direction of the sample (21) to be detected when the rope is unwound.
2.1.2, setting the maximum torque of the motor in a medium or medium range by the motor controller, or automatically adapting the torque by the electric controller ⒄ according to the given value and the actual measured value of the pulling pressure sensor, wherein the torque is converted into the design rated tension of the winch steel cable for the sample (21) to be detected.
2.1.3, a winch controller ⒆ controls the clutch of the sample (21) to be detected to be in a combined state, and the winch state is a rope releasing state.
2.1.4, starting the test system, and simultaneously starting the sample (21) to be detected and the motor.
2.1.5, the motor self-grinding speed is given, the loading shaft reference linear speed is higher than the rope releasing speed of the electric winch to be detected, and the stress of the steel cable of the winch is the rated tension of the electric winch to be detected, so that the working state of the electric winch to be detected with load releasing rope under the working condition of a real vehicle is simulated.
2.1.6, recording data of the data acquisition unit ⒇, including information of the state, the rotating speed, the stress, the temperature and the like of the electric winch (21) and the motor (9) to be detected, ensuring that test parameters meet the test requirements of the sample (21) to be detected, and monitoring whether the sample (21) to be detected works normally. For example, parameters such as rotating speed, stress, working voltage and the like do not meet requirements, and test parameters need to be adjusted in time. The system can set parameter protection according to the sample information, when the information such as the rotating speed, stress, working current, temperature and the like detected by the system deviates from the protection range, the system can alarm and shut down, the initial damage state of the sample is kept, and the danger is prevented.
2.2 rope-retracting test with load
2.2.1, the electric controller ⒄ controls the motor to be in a loaded state.
2.2.2, the motor controller or the electric controller ⒄ automatically adapts the torque according to the given value and the actual measured value of the tension and pressure sensor, and the torque is converted into the design rated tension of the electric winch to be detected, namely the winch steel cable self-locking.
2.2.3, the winch controller ⒆ controls the clutch of the sample (21) to be detected to be in a combined state, the winch state is a rope retracting state, and the steel cable is wound on the loading shaft for selection.
2.2.4, starting the test system, and simultaneously starting the sample (21) to be detected and the motor.
2.2.5, the sample (21) to be detected rotates with the motor, and at the moment, the stress of the winch steel cable is the rated torque of the sample (21) to be detected, so that the working state of the sample (21) to be detected with a load and a rope in a real vehicle working condition is simulated.
2.2.6, recording data of the data acquisition unit ⒇, including information of the state of the sample (21) to be detected and the motor, the rotating speed, the stress, the temperature and the like. The test parameters are ensured to meet the test requirements of the electric capstan, and whether the detected sample (21) works normally or not is monitored. For example, parameters such as rotating speed, stress, working voltage and the like do not meet requirements, and test parameters need to be adjusted in time. The system can set parameter protection according to the sample information, when the information such as the rotating speed, stress, working current, temperature and the like detected by the system deviates from the protection range, the system can alarm and shut down, the initial damage state of the sample is kept, and the danger is prevented.
2.3, Life test
2.3.1, the electric controller ⒄ controls the driving motor to be in a driving state, and controls the rotation direction of the loading shaft with the reference to be the rope unwinding direction of the sample (21) to be detected, namely the rotation direction of the loading shaft with the reference is consistent with the rotation direction of the sample (21) to be detected when the rope is unwound.
2.3.2, setting the maximum torque of the motor in the middle or middle of the motor controller, or automatically adapting the torque by the electric controller ⒄ according to the given value and the actual measured value of the pulling pressure sensor, wherein the torque is converted into the design rated pulling force of the winch steel cable basic idea which is the to-be-detected sample (21).
2.3.3, a winch controller ⒆ controls the clutch of the sample (21) to be detected to be in a combined state, and the winch state is a rope retracting state.
2.3.4, starting the test system, and simultaneously starting the sample (21) to be detected and the motor.
2.3.5, the motor self-grinding speed is given, the loading shaft mark linear speed is higher than the rope releasing speed of the sample (21) to be detected, and the stress of the winch steel cable is the rated tension of the winch steel cable to be detected, so that the working state of the winch steel cable to be detected, which has the load and the rope can be recovered under the working condition of the real vehicle, is simulated.
2.3.6, according to the period set by the electric controller ⒄, after the rope is released, the clutch of the sample (21) to be detected is released, and the motor self-grinding belt takes the sample (21) to be detected to be unloaded and retracts the rope to the original position.
2.3.7, clutch engagement, repeat 2.3.1-2.3.6, test according to the number of cycles set by the electronic controller ⒄.
2.3.8, and recording data of the data acquisition unit ⒇, including information of the state, the rotating speed, the stress, the temperature, the times and the like of the sample (21) to be detected and the motor. The test parameters are ensured to meet the test requirements of the sample (21) to be detected, and whether the sample (21) to be detected works normally or not is monitored. For example, parameters such as rotating speed, stress, working voltage and the like do not meet requirements, and test parameters need to be adjusted in time. The system can set parameter protection according to the sample information, when the information such as the rotating speed, stress, working current, temperature and the like detected by the system deviates from the protection range, the system can alarm and shut down, the initial damage state of the sample is kept, and the danger is prevented.
The method can also be used for switching the motor self-hairing to a driving state when the rope of the sample (21) to be detected is taken up and the motor self-hairing is in a loading state after the clutch is released. Namely, the motor self-supporting is always in a driving state or in a state of alternately switching between a loading state and a driving state, and the test can be completed.
2.4, the electric controller ⒄ analyzes whether the pulling force value of the winch cable of the electric winch to be detected reaches the set value required by the test condition, if not, the maximum torque of the motor in the self-supporting driving state and the given torque of the loading state need to be adjusted repeatedly until the set value required by the test condition is reached.
2.5, recording parameters in the test process by the data acquisition unit ⒇, the stress of the tension and pressure sensor, the rope receiving and releasing states of the sample (21) to be detected, the working temperature of the sample (21) to be detected, the working current and voltage of the sample (21) to be detected, the state switching period, the rope releasing speed, the separation and combination states of the clutch, the torque of the torque sensor, the fatigue test times, the motor parameters and the like.
2.6, when the temperature of the sample (21) to be detected is overhigh in the test process, the test needs to be stopped, the period of rope winding and rope unwinding is prolonged, air cooling is used for cooling, and the stable operation of the test is ensured.
2.7, other mechanical and kinematic tests involving electric winches, the test device of the present application can be performed. Tests such as rope releasing speed and rope receiving speed testing of the electric winch, winch tension calibration, continuous working temperature, overload protection and the like can be carried out.
Claims (8)
1. The utility model provides an electric capstan test device, comprises detecting system, driving system and control system, its characterized in that:
the detection mechanism arranged in the detection system is composed of a sliding support fourth, a pressure pulling sensor, a guide rod sixth, a guide rod support sixth and a base, the detection mechanism is arranged on the sliding support fourth, guide rods sixth are arranged on two sides of the sliding support fourth respectively, the sliding support fourth is in sliding fit with the guide rods sixth, the guide rods sixth are fixed on the base through the guide rod support, the middle of the sliding support fourth and the base are connected through the pressure pulling sensor by hinges respectively, the sliding support fourth can only run along the direction of the guide rods sixth, and two ends of the pressure pulling sensor are connected through hinges;
the transmission and loading mechanism in the power system is provided with a motor self-stick, a gearbox, a transmission shaft, a torque sensor, a loading shaft, a bearing component and a winch steel cable, the loading shaft is also connected with the gearbox through the transmission shaft, the torque sensor is arranged on the gearbox, the motor, the gearbox and the sample (21) to be detected are respectively provided with a sensor;
the electric control mechanism in the control system is provided with a motor controller and a winch controller ⒆.
2. The electric capstan test device of claim 1, wherein: the sliding support of the detected sample (21) is fixed on the base through the 4 guide rods and the 4 guide rod supports; the sliding support fourth is matched with the guide rod sixth through a sliding bearing, so that the influence of friction on the drawing pressure sensor is reduced, and meanwhile, the process requirement on machining and assembling is very high; the sliding support can only run along the direction of the guide rod sixteenth, the 4 guide rods sixteenth can greatly eliminate bending moment generated by the tensile force of the to-be-detected sample (21), balance additional force from the to-be-detected sample (21) in the horizontal direction, and guarantee that the force measured by the tension-pressure sensor is the winch tensile force.
3. The electric capstan test device of claim 1, wherein: both ends of the tension and pressure sensor are hinged, the measured value of the tension and pressure sensor is the pulling force of the winch, the sensor is prevented from being damaged by rigid connection, and the sensors with different measuring ranges can be conveniently replaced.
4. The electric capstan test device of claim 1, wherein: the loading shaft has the advantages that the reference height can be adjusted freely through the height adjusting device on the base, the condition that the excircle of the to-be-detected sample (21) connected with the two ends of the winch steel cable is at the same horizontal height as the excircle of the bearing seat main shaft is guaranteed, and the force measured by the pulling pressure sensor is the stress of the winch steel cable reference instead of the component force of the winch steel cable reference.
5. The electric capstan test device of claim 1, wherein: the gearbox is provided with a multi-gear gearbox, and can be adapted to different electric capstan tests.
6. The electric capstan test device of claim 1, wherein: the motor controller can control the driving and loading states of the motor, the maximum torque of the motor in the driving state can be changed through parameter adjustment to work in cooperation with the fixing of the to-be-detected sample (21), and the motor controller can also work in cooperation with the fixing of the to-be-detected sample (21) through the pulling force of the automatic adaptive pull-pressure sensor.
7. The electric capstan test device of claim 1, wherein: the winch controller ⒆ can synchronously control the state switching of the clutch of the sample (21) to be detected, the rope releasing and the rope collecting and the state switching period.
8. The electric capstan test device of claim 1, wherein: the electric capstan test device is a complete test system, and the electric controller ⒄ can control the motor controller to work in cooperation with the capstan controller ⒆ through the information of the data acquisition unit ⒇, so as to control the state of the tested sample (21) and the motor self-skin to be performed according to the test method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694260.9A CN112378630A (en) | 2020-07-17 | 2020-07-17 | Electric capstan test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694260.9A CN112378630A (en) | 2020-07-17 | 2020-07-17 | Electric capstan test device |
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| Publication Number | Publication Date |
|---|---|
| CN112378630A true CN112378630A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010694260.9A Pending CN112378630A (en) | 2020-07-17 | 2020-07-17 | Electric capstan test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112378630A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202141587U (en) * | 2011-07-28 | 2012-02-08 | 浙江润华机电有限公司 | Intelligent integration testboard for capstan |
| CN107036796A (en) * | 2017-05-27 | 2017-08-11 | 公安部上海消防研究所 | The comprehensive test device and its method of testing of vehicular fire-fighting capstan winch |
-
2020
- 2020-07-17 CN CN202010694260.9A patent/CN112378630A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202141587U (en) * | 2011-07-28 | 2012-02-08 | 浙江润华机电有限公司 | Intelligent integration testboard for capstan |
| CN107036796A (en) * | 2017-05-27 | 2017-08-11 | 公安部上海消防研究所 | The comprehensive test device and its method of testing of vehicular fire-fighting capstan winch |
Non-Patent Citations (1)
| Title |
|---|
| 机械工业部机械科学研究院: "《科研测试仪器设备手册[M]》", 31 December 1983 * |
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