CN112097961B - Device and method for measuring tension of locking type steel belt in photoelectric detection equipment - Google Patents
Device and method for measuring tension of locking type steel belt in photoelectric detection equipment Download PDFInfo
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- CN112097961B CN112097961B CN202010883199.2A CN202010883199A CN112097961B CN 112097961 B CN112097961 B CN 112097961B CN 202010883199 A CN202010883199 A CN 202010883199A CN 112097961 B CN112097961 B CN 112097961B
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- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
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Abstract
The invention provides a device and a method for measuring the tension of a locking steel belt in photoelectric detection equipment, which are used for solving the problems that the tension measurement in the prior art damages the steel belt and reduces the service life of the steel belt. The tension measuring device comprises a measuring head, a pressure sensor, a sliding block, a lead screw, a motor and a controller; the measuring head is arranged on the pressure sensor, the pressure sensor is arranged on the sliding block, the sliding block is arranged on the lead screw, and the lead screw is connected with the motor; the pressure sensor and the motor are connected with the controller; the controller is used for receiving and processing signals of the pressure sensor, converting the signals into a tension value and controlling the motor to move according to the tension value. According to the invention, the pressure between the steel belt and the adjusting wheel is indirectly measured through the pressure sensor, and then the tension force is calculated based on the tension distance and the pressure, so that no external force is applied on the steel belt, the defect of the steel belt is avoided, meanwhile, the tension force of the steel belt is accurately measured and adjusted in real time, the service performance of the locking type steel belt transmission is improved, and the service life of the locking type steel belt transmission is prolonged.
Description
Technical Field
The invention belongs to the field of measurement of transmission structures in photoelectric detection equipment, and particularly relates to a device and a method for measuring tension of a locking type steel belt in the photoelectric detection equipment.
Background
In the transmission structure form of the photoelectric detection equipment, steel belt transmission is used as a precise transmission mode, has the advantages of high transmission precision, good motion stability, excellent vibration damping performance and the like, and is widely applied to stable platforms such as photoelectric equipment and the like. The tension in steel belt assembly and transmission operation influences the service performance and service life of a steel belt, too large tension can cause fatigue fracture of the steel belt to influence the service life, and too small tension can cause slippage of the steel belt to influence the transmission performance. Therefore, accurate measurement and control of the tension of the steel strip are key to ensure the transmission performance of the steel strip.
In the prior art, the tension of the steel strip is usually measured by a fixed frequency measurement method and a deflection measurement method. Both methods require a concentrated force to be applied to the steel strip, and the tension is obtained by measuring the deformation of the steel strip after being stressed. Because the thickness of the locking type steel belt is only 0.06mm, the steel belt has the defects of bending, scratching and the like after the concentrated force is applied, the service life of the steel belt is influenced, and meanwhile, the service performance of the steel belt in transmission cannot be ensured.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, the present invention aims to provide a device and a method for measuring the tension of a locking steel belt in a photoelectric detection device, which indirectly measure the interaction force between the steel belt and an adjusting wheel through a pressure sensor, and then calculate the tension of the steel belt based on the tension distance without applying an external force on the steel belt, thereby avoiding the steel belt defect caused by the direct contact with the steel belt, and simultaneously realizing the accurate measurement and control of the tension of the locking steel belt.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a locking type steel strip tension measuring device in a photoelectric detection apparatus, where the tension measuring device includes: the device comprises a measuring head, a pressure sensor, a sliding block, a lead screw, a motor and a controller; wherein the content of the first and second substances,
the measuring head is arranged on the pressure sensor, the pressure sensor is arranged on the sliding block, and the pressure sensor can slide on the sliding block so as to adjust the measuring position of the measuring head; the sliding block is arranged on the lead screw, and the lead screw drives the sliding block to move linearly along the lead screw when rotating; the lead screw is connected with the motor; the pressure sensor and the motor are connected with the controller; the controller is used for receiving and processing the output signal of the pressure sensor, converting the output signal into a steel belt tension value and controlling and driving the motor to stop or rotate;
the transmission structure of the photoelectric detection equipment comprises a driving wheel, a driven wheel, an adjusting groove, a limiting shaft, a lock catch and a steel belt; the lock catch is used for locking the steel belt; the steel belt is wound on the driving wheel, the driven wheel and the adjusting wheel; the adjusting wheel can move in the adjusting groove through the limiting shaft;
the tension measuring device of the locking type steel belt is connected with the adjusting wheel, the measuring head tightly supports the adjusting wheel, and the tangent of the contact point tightly supports the adjusting wheel and is parallel to the tangent of the contact central point of the adjusting wheel and the steel belt.
As a preferred embodiment of the present invention, the controller has a display screen for displaying the steel strip tension value or the pressure value measured by the sensor.
In a preferred embodiment of the present invention, the top of the measuring head is spherical, the bottom of the measuring head is flat, and the bottom of the measuring head is mounted on the pressure sensor.
As a preferred embodiment of the invention, the tension F of the steel stripzWith the pressure value F measured by the pressure sensornThe following relationship is satisfied:
in the formula (1), a1The horizontal distance between the driving wheel and the adjusting wheel is set; b1The vertical distance between the driving wheel and the adjusting wheel is the vertical distance; a is2The horizontal distance between the driven wheel and the adjusting wheel; b2The vertical distance between the driven wheel and the adjusting wheel; r is1The radius of the driving wheel; r is3Is the radius of the driven wheel; r is7The radius of the wheel is adjusted; and s is the moving distance of the slide block.
In a second aspect, an embodiment of the present invention further provides a method for measuring a tension of a locking steel strip in a photoelectric detection apparatus, where the method includes:
when the tension is measured in the process of installing the steel strip:
(1) the steel belt is locked by the lock catch and is wound on the driving wheel, the driven wheel and the adjusting wheel;
(2) adjusting the position of the limiting shaft to initially tighten the steel belt;
(3) a measuring head of the tension measuring device is abutted against the edge of the adjusting wheel, and a contact tangent of the measuring head and the adjusting wheel is parallel to a contact central point tangent of the adjusting wheel and the steel belt;
(4) the controller starts the motor to drive the measuring head to tightly push the adjusting wheel upwards, and the adjusting wheel moves along the adjusting groove;
(5) the controller collects and processes output signals of the pressure sensor and the motor in real time, and displays a real-time pressure value or a real-time tension value of the steel belt on the display screen;
(6) when the measured pressure value or the measured tension value is the same as the preset pressure value or the preset tension value, the controller stops the motor, the position of the adjusting wheel in the groove is fixed, and the measurement and the installation of the steel belt tension force are completed;
when tension measurement is carried out in the steel belt transmission process:
(7) the controller collects and processes output signals of the pressure sensor and the motor in real time, and displays a real-time pressure value or a real-time tension value of the steel belt on the display screen;
(8) when the measured tension value is the same as the preset tension value or the pressure value is the same as the preset pressure value, the controller stops the motor; when the measured tension value is smaller than the preset tension value/the measured pressure value is smaller than the preset pressure value, the controller controls the motor to rotate in the forward direction, and the jacking degree of the measuring head and the adjusting wheel is improved until the tension value measured by the pressure sensor is equal to the preset tension value; when the measured tension value is larger than the preset tension value/the measured pressure value is larger than the preset pressure value, the controller controls the motor to rotate reversely, and the pushing degree of the measuring head and the adjusting wheel is reduced until the measured tension value of the pressure sensor is equal to the preset tension value.
As a preferred embodiment of the present invention, the pressure value or the tension value is displayed through a display screen of the controller.
As a preferred embodiment of the present invention, the predetermined tension value or the predetermined pressure value is previously inputted into the controller or set in the controller.
The invention has the following beneficial effects:
according to the device and the method for measuring the tension of the locking steel belt in the photoelectric detection equipment, disclosed by the embodiment of the invention, the pressure between the steel belt and the regulating wheel is indirectly measured through the pressure sensor, then the tension of the steel belt is calculated based on the tension distance and the pressure, no external force is required to be applied to the steel belt, the defect of the steel belt caused by direct contact with the steel belt is avoided, meanwhile, the tension of the locking steel belt is accurately and timely measured and adjusted, and the use performance and the service life of the locking steel belt transmission are improved; the locking type steel belt tension measuring device is compact in structure, high in measuring precision and convenient to operate, is suitable for various types of photoelectric detection equipment adopting locking type steel belt transmission, and realizes measurement and control of steel belt tension.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a locking type steel belt tension measuring device in a photoelectric detection device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating the principle of measuring the tension of a locking steel strip in a photoelectric detection device according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for measuring tension of a locking steel strip in a photoelectric detection device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 shows the structure of a locking type steel belt tension measuring device in a photodetecting apparatus according to an embodiment of the present invention. As shown in fig. 1, a lock type steel strip tension measuring apparatus 10 according to the present embodiment includes: the measuring head 11, the pressure sensor 12, the sliding block 13, the lead screw 14, the motor 15 and the controller 16; the measuring head 11 is arranged on a pressure sensor 12, the pressure sensor 12 is arranged on a sliding block 13, and the pressure sensor 12 slides on the sliding block 13 to adjust the measuring position of the measuring head 11; the sliding block 13 is arranged on the lead screw 14, and the lead screw 14 rotates to drive the sliding block 13 to move linearly along the lead screw 14; the lead screw 14 is connected with a motor 15, and the motor 15 drives the lead screw 14 to rotate; the pressure sensor 12 and the motor 15 are both connected with a controller 16, and the controller 16 is used for receiving and processing an output signal of the pressure sensor 12, converting the output signal into a steel strip tension value, and controlling and driving the motor 15 to stop or rotate; the controller 16 has a display screen for displaying the value of the steel strip tension.
When the steel strip tension measuring device of the embodiment is used for measuring the steel strip tension in the photoelectric detection equipment, the steel strip tension in the installation process can be measured, so that the equipment is installed when the steel strip tension in the installation reaches a preset value, and the steel strip tension measuring device can be used; the tension of the steel belt in the transmission process can be measured, the tension of the steel belt is monitored in real time, and when the tension changes due to aging to affect the transmission performance of the steel belt, the tension of the steel belt is adjusted in time, normal operation of equipment is guaranteed, and the service life of the steel belt is prolonged.
As shown in fig. 2, the transmission structure of the photoelectric detection device comprises a driving wheel 1, a driven wheel 3, an adjusting wheel 7, an adjusting groove 5, a limiting shaft 6, a lock catch 2 and a steel belt 4. Wherein, the steel belt 4 is locked by the lock catch 2 and then wound on the driving wheel 1, the driven wheel 3 and the adjusting wheel 7; the adjusting wheel 7 moves in the adjusting groove 5 through the adjusting shaft 6, and the position of the adjusting wheel 7 is adjusted to realize different tensity degrees of the locking type steel belt 4.
The tension measuring device of the locking type steel belt is connected with the adjusting wheel, the measuring head 11 tightly supports the adjusting wheel 7, and the tangent of the tightly supported contact is parallel to the tangent of the contact center point of the adjusting wheel 7 and the steel belt 4.
As described above, when the tension of the locking steel belt in the installation process is measured, when the steel belt 4 is initially tensioned, the measuring head 11 is pressed against the adjusting wheel 7, the steel belt 4 exerts pressure on the adjusting wheel 7 due to tensioning, the adjusting wheel 7 transmits the pressure to the pressure sensor 12 through the measuring head 11, since the contact tangent of the measuring head 11 and the adjusting wheel 7 is parallel to the contact central point tangent of the adjusting wheel 7 and the steel belt 4, the pressure is simultaneously transmitted upwards, and the pressure measured by the pressure sensor 12 is the pressure of the steel belt 4 on the adjusting wheel 7. The pressure sensor 12 sends the measured pressure value to the controller 16, the controller 16 controls the motor 15 to rotate according to the received pressure value, the screw rod is driven to rotate, the abutting degree of the pressure sensor 12 and the measuring head 11 on the adjusting wheel 7 is adjusted, the adjusting wheel 7 is adjusted in the adjusting groove 5, finally, when the pressure value of the pressure sensor 12 received by the controller 16 meets the requirement, the adjusting wheel 7 reaches a proper position in the adjusting groove 5, the pressure value of the pressure sensor 12 and the pressure value of the steel belt 4 on the adjusting wheel 7 (the self weight of the adjusting wheel is ignored at this time, or the self weight is added into the pressure value) form a pair of balance force, the adjusting wheel 7 is enabled to reach stress balance, and the installation of the locking type steel belt 4 is completed.
As described above, when the tension of the locking steel belt 4 in motion is measured in real time, the measuring head 11 is in a state of being pressed against the adjusting wheel 7, the controller 16 monitors the pressure value of the pressure sensor 12 in real time, and when the pressure value changes, the real-time control motor 15 rotates the pressing degree of the adjusting wheel 7 by the adjusting measuring head 11, so that the pressure value is restored to a predetermined range, and the locking steel belt 4 is always kept in a required tension.
Preferably, the controller 16 determines whether the received pressure value of the pressure sensor 12 meets the requirement, and may determine the pressure value directly or by converting the pressure value into a tension value of the steel strip 4.
Preferably, the top of the measuring head 11 is spherical, the bottom is a plane, and the bottom is mounted on the pressure sensor 12.
In the photodetection apparatus shown in fig. 2, the tension F of the steel belt 4zWith the pressure value F measured by the pressure sensor 12nThe following relationship is satisfied:
in the formula (1), a1The horizontal distance between the driving wheel 1 and the adjusting wheel 7 is set; b1The vertical distance between the driving wheel 1 and the adjusting wheel 7 is adopted; a is2The horizontal distance between the driven wheel 3 and the regulating wheel 7; b2The vertical distance between the driven wheel 3 and the adjusting wheel 7; r is1The radius of the driving wheel 1; r is3Is the radius of the driven wheel 3; r is7To adjust the radius of the wheel 7; s is the moving distance of the slider 13. Through the relation of the formula (1), the pressure value measured by the pressure sensor and the tension value obtained through calculation are in corresponding relation, and therefore, the two have equivalent effects.
The tension value required to be met by the locking type steel belt in the photoelectric detection equipment is set as the preset tension, and the preset pressure value corresponding to the preset tension can be calculated.
When the judgment is carried out through the pressure value, the controller compares the received pressure value of the pressure sensor with a preset pressure value, so that the forward rotation or the reverse rotation of the motor is controlled; when the judgment is carried out through the preset tension force, the controller converts the received pressure value of the pressure sensor into the tension force, and then the tension force is compared with the preset tension force, so that the forward rotation or the reverse rotation of the motor is controlled. The positive rotation and the reverse rotation of the motor respectively correspond to the tension and the relaxation (the relaxation and the tension) of the tight jacking degree of the measuring head and the adjusting wheel. And the pressure value or the tension value is displayed through a display screen. The preset tension value or the preset pressure value is input into the controller in advance or set in the controller.
The locking type steel belt tension measuring device is compact in structure, high in measuring precision and convenient to operate, is suitable for various types of photoelectric detection equipment adopting locking type steel belt transmission, and achieves measurement and control of the steel belt tension.
Fig. 3 shows a method for measuring the tension of a locked steel strip in a photoelectric detection device based on a measuring device according to an embodiment of the invention. As shown in fig. 3, the measuring method includes:
when the tension is measured in the process of installing the steel strip:
(1) the steel belt is locked by the lock catch and is wound on the driving wheel, the driven wheel and the adjusting wheel;
(2) adjusting the position of the limiting shaft to initially tighten the steel belt;
(3) a measuring head of the tension measuring device is abutted against the edge of the adjusting wheel, and a contact tangent of the measuring head and the adjusting wheel is parallel to a contact central point tangent of the adjusting wheel and the steel belt;
(4) the controller starts the motor to drive the measuring head to tightly push the adjusting wheel upwards, and the adjusting wheel moves along the adjusting groove 5;
(5) the controller collects and processes output signals of the pressure sensor and the motor in real time, and displays a real-time tension value of the steel belt on the display screen;
(6) when the measured tension value is the same as the preset tension value, the controller stops the motor, fixes the position of the adjusting wheel in the groove to be adjusted, and completes the measurement and installation of the steel belt tension;
when tension measurement is carried out in the steel belt transmission process:
(7) the controller collects and processes output signals of the pressure sensor and the motor in real time, and displays a real-time tension value of the steel belt on the display screen;
(8) when the measured tension value is the same as the preset tension value, the controller causes the power failure machine 15 to be powered off; when the measured tension value is smaller than the preset tension value, the controller controls the motor to rotate in the positive direction, and the jacking degree of the measuring head and the adjusting wheel is improved until the tension value measured by the pressure sensor is equal to the preset tension value; when the measured tension value is larger than the preset tension value, the controller controls the motor to rotate reversely, and the jacking degree of the measuring head and the adjusting wheel is reduced until the tension value measured by the pressure sensor is equal to the preset tension value.
Through the process, the tension of the steel belt is measured and adjusted in real time, the use performance of the locking type steel belt transmission is improved, and the service life of the locking type steel belt transmission is prolonged.
It should be noted that, the method for measuring the tension of the locking steel strip in the photoelectric detection device is based on the measuring device, and the description and the limitation of the measuring device in this embodiment are also applicable to the measuring method, and are not repeated herein.
The foregoing description is only exemplary of the preferred embodiments of the invention and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (6)
1. The utility model provides a locking-type steel band tensile force measuring device among photoelectric detection equipment which characterized in that, tensile force measuring device includes: the device comprises a measuring head, a pressure sensor, a sliding block, a lead screw, a motor and a controller; wherein the content of the first and second substances,
the measuring head is arranged on the pressure sensor, the pressure sensor is arranged on the sliding block, and the pressure sensor can slide on the sliding block so as to adjust the measuring position of the measuring head; the sliding block is arranged on the lead screw, and the lead screw drives the sliding block to move linearly along the lead screw when rotating; the lead screw is connected with the motor; the pressure sensor and the motor are connected with the controller; the controller is used for receiving and processing the output signal of the pressure sensor, converting the output signal into a steel belt tension value and controlling and driving the motor to stop or rotate;
the transmission structure of the photoelectric detection equipment comprises a driving wheel, a driven wheel, an adjusting groove, a limiting shaft, a lock catch and a steel belt; the lock catch is used for locking the steel belt; the steel belt is wound on the driving wheel, the driven wheel and the adjusting wheel; the adjusting wheel can move in the adjusting groove through the limiting shaft;
the tensioning force measuring device of the locking type steel belt is connected with the adjusting wheel, the measuring head tightly supports against the adjusting wheel, and the tangent of the contact point of the supporting is parallel to the tangent of the contact central point of the adjusting wheel and the steel belt;
tension F of steel beltzWith the pressure value F measured by the pressure sensornThe following relationship is satisfied:
in the formula (1), a1The horizontal distance between the driving wheel and the adjusting wheel is set; b1The vertical distance between the driving wheel and the adjusting wheel is the vertical distance; a is2The horizontal distance between the driven wheel and the adjusting wheel; b2The vertical distance between the driven wheel and the adjusting wheel; r is1The radius of the driving wheel; r is3Is the radius of the driven wheel; r is7The radius of the wheel is adjusted; and s is the moving distance of the slide block.
2. The device for measuring the tension of a steel strip in a locking type in an optoelectronic detection device as claimed in claim 1, wherein the controller has a display screen for displaying the tension value of the steel strip or the pressure value measured by the sensor.
3. The device for measuring the tension of the steel band in the locking type of the photoelectric detection equipment as claimed in claim 1, wherein the measuring head is spherical at the top and flat at the bottom, and the bottom is mounted on the pressure sensor.
4. A method for measuring tension of a locking type steel belt in photoelectric detection equipment is characterized by comprising the following steps:
when the tension is measured in the process of installing the steel strip:
(1) the steel belt is locked by the lock catch and is wound on the driving wheel, the driven wheel and the adjusting wheel;
(2) adjusting the position of the limiting shaft to initially tighten the steel belt;
(3) a measuring head of the tension measuring device is abutted against the edge of the adjusting wheel, and a contact tangent of the measuring head and the adjusting wheel is parallel to a contact central point tangent of the adjusting wheel and the steel belt;
(4) the controller starts the motor to drive the measuring head to tightly push the adjusting wheel upwards, and the adjusting wheel moves along the adjusting groove;
(5) the controller collects and processes output signals of the pressure sensor and the motor in real time, and displays a real-time pressure value or a real-time tension value of the steel belt on the display screen;
tension F of steel beltzWith the pressure value F measured by the pressure sensornThe following relationship is satisfied:
in the formula (1), a1The horizontal distance between the driving wheel and the adjusting wheel is set; b1The vertical distance between the driving wheel and the adjusting wheel is the vertical distance; a is2Is a driven wheelThe horizontal distance between the adjusting wheel and the adjusting wheel; b2The vertical distance between the driven wheel and the adjusting wheel; r is1The radius of the driving wheel; r is3Is the radius of the driven wheel; r is7The radius of the wheel is adjusted; s is the moving distance of the slide block;
(6) when the measured pressure value or the measured tension value is the same as the preset pressure value or the preset tension value, the controller stops the motor, the position of the adjusting wheel in the groove is fixed, and the measurement and the installation of the steel belt tension force are completed;
when tension measurement is carried out in the steel belt transmission process:
(7) the controller collects and processes output signals of the pressure sensor and the motor in real time, and displays a real-time pressure value or a real-time tension value of the steel belt on the display screen;
(8) when the measured tension value is the same as the preset tension value or the pressure value is the same as the preset pressure value, the controller stops the motor; when the measured tension value is smaller than the preset tension value/the measured pressure value is smaller than the preset pressure value, the controller controls the motor to rotate in the forward direction, and the jacking degree of the measuring head and the adjusting wheel is improved until the tension value measured by the pressure sensor is equal to the preset tension value; when the measured tension value is larger than the preset tension value/the pressure value is larger than the preset pressure value, the controller controls the motor to rotate reversely, and the pushing degree of the measuring head and the adjusting wheel is reduced until the tension value measured by the pressure sensor is equal to the preset tension value/the pressure value and the preset pressure value.
5. The method of measuring the tension of a steel strip locked in an electro-optical detection apparatus according to claim 4, wherein the pressure value or the tension value is displayed through a display screen of a controller.
6. The method for measuring the tension of a steel strip locked in an optoelectronic detecting device as claimed in claim 4, wherein the predetermined tension value or the predetermined pressure value is inputted into or set in the controller in advance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010883199.2A CN112097961B (en) | 2020-08-28 | 2020-08-28 | Device and method for measuring tension of locking type steel belt in photoelectric detection equipment |
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| CN202010883199.2A CN112097961B (en) | 2020-08-28 | 2020-08-28 | Device and method for measuring tension of locking type steel belt in photoelectric detection equipment |
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| CN112097961B true CN112097961B (en) | 2022-04-01 |
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| US10724911B1 (en) * | 2017-06-16 | 2020-07-28 | Conveyor Dynamics, Inc. | Belt tension measuring device |
| CN211110389U (en) * | 2019-11-11 | 2020-07-28 | 佛山市华裕泰织染有限公司 | Yarn tension adjusting assembly |
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2020
- 2020-08-28 CN CN202010883199.2A patent/CN112097961B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666695A (en) * | 2009-09-28 | 2010-03-10 | 重庆长安汽车股份有限公司 | Belt tension force detector of gasoline engine and diesel engine and detecting method thereof |
| CN102992001A (en) * | 2012-10-14 | 2013-03-27 | 昆山特力伯传动科技有限公司 | Tensile force detecting device for conveyer belt |
| CN203805157U (en) * | 2014-03-31 | 2014-09-03 | 江苏新潮光伏能源发展有限公司 | Device capable of automatically adjusting tension of saw band |
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| CN112097961A (en) | 2020-12-18 |
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