CN113074857B - Five-pulley tension testing system for tension measurement - Google Patents
Five-pulley tension testing system for tension measurement Download PDFInfo
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- CN113074857B CN113074857B CN202110279938.1A CN202110279938A CN113074857B CN 113074857 B CN113074857 B CN 113074857B CN 202110279938 A CN202110279938 A CN 202110279938A CN 113074857 B CN113074857 B CN 113074857B
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- pulley
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
Abstract
The invention discloses a five-pulley tension testing system for tension measurement, which comprises a sensor body, a substrate, pulleys and a tension measuring device, wherein the sensor body is connected with the substrate through threads, two counter bores and five through holes are formed in the plane of the substrate, and two threaded holes are formed in the side face of the substrate; the pulley is used with a tension measuring device for winding wire. The invention uses the sensor commonly used in the market as the sensor body and fixes the sensor body on the base plate to form the five-pulley tension sensor, the position of the pulley can be adjusted according to the width of the measured string, and the angle of the string can be adjusted by matching with the tension measuring device, so that the tension measurement of the string in the frame can be satisfied, the manual complexity of the string measurement is avoided, and the problems of real-time measurement of the string tension and control of the string tension are solved.
Description
Technical Field
The invention relates to a tension test system, in particular to a five-pulley tension test system for tension measurement.
Background
In the production or test process, as the sensor technology is mature, the structure is simple, the reliability is high, the sensor is widely applied, the tension of the string can be measured by using contact or non-contact, and the corresponding sensor device is developed according to the use of specific application. At present, the measuring device is mainly applied to the aspects of yarns, cables and the like and is used for measuring single strings, and the special device cannot be used for measuring the tension of the strings in the horizontal direction and measuring the strings with fixed widths in a large scale. Because of uncertainty in the position and angle of the strings, tension sensors require specific aids in measuring the strings to meet the string width requirements and string fixation angle requirements at the time of measurement. Therefore, when tension detection is carried out on a large number of strings which are vertically interweaved, when sensor measurement is carried out on strings with fixed width, the tension value of the strings can be accurately detected by enabling the strings to be located at proper positions of the sensor, simultaneous measurement on the tension value of the large number of strings which are vertically interweaved is met, and real-time processing of the tension value can be realized on control application.
It is therefore of great interest to develop a five pulley tension test system for tension measurement.
Disclosure of Invention
The invention aims at the problems and provides a five-pulley tension test system for tension measurement, which is used for solving the problem that the requirements of fixed width and angle between strings are met in the large-scale vertical string tension measurement process.
In order to achieve the above object, the present invention is achieved by the following technical scheme, which is a five-pulley tension testing system for tension measurement, the sensor (1) includes a sensor body (11), a base plate (12) and a pulley (13), and is characterized in that: the sensor body (11) is connected with the base plate (12) through threads, two counter bores and five through holes are formed in the plane of the base plate (12), and two threaded holes are formed in the side face of the base plate (12); a tension measuring device (2) is used together with the sensor pulley (13) for winding wires, and tension measurement can be performed on paired strings in the horizontal direction.
The sensor body (11) and the base plate (12) are connected at two counter bore positions through threads; the position of the substrate (12) is fixed by two screw holes on the side surface, and the position of the whole sensor (1) can be fixed.
The through hole in the middle of the base plate (12) is used for installing a pulley (13) on the sensor body (11), and the pulley (13) is used as a device for detecting the tension value of the rope after winding; the other four pulleys (13) are arranged on the through holes of the base plate (12) to fix the positions of the strings.
Besides the pulleys (13-3) for measuring the intermediate tension, the other four pulleys (13) are fixed on the base plate (12), one pulley (13-1) can be used for adjusting the position of the base plate (12), so that the width of the measured string can be adjusted, and tension measurement of strings with different distances in the horizontal direction can be realized.
The tension measuring device (2) consists of a fixing frame (21), a sliding rail (22), a sliding block (23), a small pulley (25) and an adjusting rod (24). The sliding rail (22) and the sliding block (23) mechanism are fixed at the top end of the fixed frame (21) through two mounting holes at the tail end, the pulley A (25-1), the pulley B (25-2) and the pulley C (25-3) are fixed through the mounting holes at the front end of the sliding rail (22) and can be used as fixed pulleys, the pulley D (25-4) and the pulley E (25-5) are fixed on the sliding block (23), the sliding block (23) moves on the sliding rail (22), the pulley D (25-4) and the pulley E (25-5) can further move back and forth and can be used as movable pulleys, the adjusting rod (24) is mounted at the upper end part of the fixed frame (21) and can be adjusted up and down through an internal sliding groove, so that the angle required by pulling a string to a tension measuring device is changed, and the measured string height is adjusted.
When winding and measuring the tension value on the string wire, the method can be operated according to the following steps: firstly, a string wire led from the opposite fixed end is stretched under an adjusting rod left pulley (25-6), led to a front end left pulley (13-1) of the sensor, led to a front end right pulley (13-2) of the sensor, led to a rear pulley (25-3) of a front end sliding block of a guide rail of a fixing frame (21), led to a pulley (25-4) of the rear end sliding block from the left, led back to a front right pulley (25-2) of the front end sliding block, led back to a fixed pulley (13-4) at the left side of the rear end of the sensor after being led to a front left pulley (25-1) of the front end sliding block, led back to the front end of a middle pulley (13-3), led out from a fixed pulley (13-5) at the right side of the rear end of the sensor, led back to the lower side of the adjusting rod right pulley (25-7) of the opposite fixed end; this completes the installation of a set of strings.
The following actions may also be performed when winding and measuring the tension value on the string: the sensor (1) with the thread on the sensor substrate (12) fixed can integrally move, so that the string tension value can be measured in real time while the string tension value is changed.
The five-pulley tension sensor (1) and the winding method can be used on a pair of strings, can control and measure the tension of a plurality of pairs of strings in real time, and can also realize the control and real-time measurement of the tension value of the transverse and longitudinal interweaved strings.
The technical content of the device is as follows:
in view of the above-described structure of the present invention, the present invention has the following advantages:
1. the five-pulley tension sensor adopts the common sensor measuring component in the market as the body, and has the advantages of low cost, high detection precision and convenient assembly.
2. The five-pulley tension sensor provided by the invention is provided with five pulleys, wherein the position of one pulley can be adjusted according to requirements, and the five-pulley tension sensor can adapt to two strings with different distances.
3. The five-pulley tension testing system disclosed by the invention is simple and compact in structure, and can be conveniently installed, stored and taken in a large quantity.
4. The five-pulley tension sensor is matched with the tension measuring device, so that tension measurement can be performed after the angle and the height of the string are adjusted.
5. After calibration, the five-pulley tension test system can be used for measuring the tension value in the vertical direction or the horizontal direction in real time, can be used for a pair of strings, can be used for controlling and measuring the tension of a plurality of pairs of strings in real time, and can also be used for controlling and measuring the tension value of the transverse and longitudinal interweaved strings in real time.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a five-pulley sensor according to the present invention;
FIG. 2 is a schematic view of a sensor and tension measuring device of the present invention;
FIG. 3 is a top view of the sensor and tension measuring device of the present invention;
FIG. 4 is a schematic diagram of a tension measurement string stretching device of the present invention;
FIG. 5 is a top view of a tension measurement stretched string of the present invention;
the reference numerals in the above figures are as follows:
a five-pulley tension sensor and a tension measuring device;
the sensor comprises a sensor body 11, a substrate 12, a sensor pulley 13 and a fixing plate 14;
the pulley on the left side of the rear end of the sensor 13-4, the pulley on the right side of the rear end of the sensor 13-5, the pulley on the left side of the front left side of the sensor 13-1, the pulley on the right side of the front right side of the sensor 13-2, the pulley on the middle of the sensor 13-3;
21 fixing frame, 22 sliding rail, 23 sliding block, 24 adjusting rod, 25 device pulley;
23-1 rear end slide block, 23-2 front end slide block;
the front left pulley of the front end slide block of 25-1, the front right pulley of the front end slide block of 25-2, the rear pulley of the front end slide block of 25-3, the upper pulley of the rear end slide block of 25-4, the lower pulley of the rear end slide block of 25-5, the left pulley of the adjusting rod of 25-6 and the right pulley of the adjusting rod of 25-7;
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Examples
A five pulley tension testing system for tension measurement, the sensor (1) comprising a sensor body (11), a base plate (12) and a pulley (13), characterized in that: the sensor body (11) is connected with the base plate (12) through threads, two counter bores and five through holes are formed in the plane of the base plate (12), and two threaded holes are formed in the side face of the base plate (12); a tension measuring device (2) is used together with the sensor pulley (13) for winding wires, and tension measurement can be performed on paired strings in the horizontal direction.
The sensor body (11) and the base plate (12) are connected at two counter bore positions through threads; the position of the substrate (12) is fixed by two screw holes on the side surface, and the position of the whole sensor (1) can be fixed.
The through hole in the middle of the base plate (12) is used for installing a pulley (13) on the sensor body (11), and the pulley (13) is used as a device for detecting the tension value of the rope after winding; the other four pulleys (13) are arranged on the through holes of the base plate (12) to fix the positions of the strings.
Besides the pulleys (13-3) for measuring the intermediate tension, the other four pulleys (13) are fixed on the base plate (12), one pulley (13-1) can be used for adjusting the position of the base plate (12), so that the width of the measured string can be adjusted, and tension measurement of strings with different distances in the horizontal direction can be realized.
The tension measuring device (2) consists of a fixing frame (21), a sliding rail (22), a sliding block (23), a small pulley (25) and an adjusting rod (24). The sliding rail (22) and the sliding block (23) mechanism are fixed at the top end of the fixed frame (21) through two mounting holes at the tail end, the pulley A (25-1), the pulley B (25-2) and the pulley C (25-3) are fixed through the mounting holes at the front end of the sliding rail (22) and can be used as fixed pulleys, the pulley D (25-4) and the pulley E (25-5) are fixed on the sliding block (23), the sliding block (23) moves on the sliding rail (22), the pulley D (25-4) and the pulley E (25-5) can further move back and forth and can be used as movable pulleys, the adjusting rod (24) is mounted at the upper end part of the fixed frame (21) and can be adjusted up and down through an internal sliding groove, so that the angle required by pulling a string to a tension measuring device is changed, and the measured string height is adjusted.
When winding and measuring the tension value on the string wire, the method can be operated according to the following steps: firstly, a string wire led from the opposite fixed end is stretched under an adjusting rod left pulley (25-6), led to a front end left pulley (13-1) of the sensor, led to a front end right pulley (13-2) of the sensor, led to a rear pulley (25-3) of a front end sliding block of a guide rail of a fixing frame (21), led to a pulley (25-4) of the rear end sliding block from the left, led back to a front right pulley (25-2) of the front end sliding block, led back to a fixed pulley (13-4) at the left side of the rear end of the sensor after being led to a front left pulley (25-1) of the front end sliding block, led back to the front end of a middle pulley (13-3), led out from a fixed pulley (13-5) at the right side of the rear end of the sensor, led back to the lower side of the adjusting rod right pulley (25-7) of the opposite fixed end; this completes the installation of a set of strings.
The following actions may also be performed when winding and measuring the tension value on the string: the sensor (1) with the thread on the sensor substrate (12) fixed can integrally move, so that the string tension value can be measured in real time while the string tension value is changed.
The five-pulley tension sensor (1) and the winding method can be used on a pair of strings, can control and measure the tension of a plurality of pairs of strings in real time, and can also realize the control and real-time measurement of the tension value of the transverse and longitudinal interweaved strings.
The tension real-time detection of the five-pulley tension sensor (1) is carried out by means of strain generated by the stress of the middle pulley (13-3), and the positions of the rest pulleys (13) on the sensor can be adjusted according to the requirement.
The five-pulley tension sensor (1) and the tension measuring device (2) are matched to be used, and the five-pulley tension sensor can also be applied to a pair of strings fixed from the same side.
For example, to use the device to measure tension, the five-pulley tension sensor (1) can be firstly arranged on the fixed plate (14), then the device is matched with the tension measuring device (2) to perform winding according to the winding method, and then the tension value on the sensor (1) can be measured and changed in real time by moving the fixed plate (14), so that the operation of one or more pairs of string tension values can be realized.
The above description is only an example of the present invention, and the tension measuring device mechanism, loading and controlling method may be modified and improved, but the corresponding technical solutions fall into the protection scope of the present patent on the basis of the spirit and scope of the present invention.
Claims (1)
1. A five pulley tension test system for tension measurement, the test system comprising a sensor body, a base plate and pulleys, characterized in that: the sensor body is connected with the base plate through threads, two counter bores and five through holes are formed in the plane of the base plate, and two threaded holes are formed in the side face of the base plate; a tension measuring device is used together with the pulley for winding wire;
two counter bores on the substrate are used for connecting the sensor body; the position of the base plate is fixed through two threaded holes on the side face;
the through hole in the middle of the base plate is used for installing a pulley on the sensor body, and the pulley is used as a device for detecting the tension value of the rope after winding; the other four pulleys are arranged on the through holes of the base plate to fix the positions of the strings;
the four pulleys are fixed on the base plate, and one pulley performs position adjustment on the base plate, so that the width of the measured string can be adjusted;
the tension measuring device consists of a fixed frame, a sliding rail, a sliding block, a small pulley and an adjusting rod; the sliding rail and sliding block mechanism is fixed at the top end of the fixed frame through two mounting holes at the tail end, the pulley A and the pulley B are fixed through the mounting holes at the front end of the guide rail, the pulley A and the pulley B can be used as fixed pulleys, the pulley C is fixed on the sliding block, the pulley C can move back and forth through the movement of the sliding block on the sliding rail, the pulley C can be used as a movable pulley, the adjusting rod is arranged at the upper end part of the fixed frame, and the angle required by pulling a string to the tension measuring device is changed through up and down adjustment of an internal sliding groove;
when the tension value on the string is to be wound and measured, the method comprises the following steps: firstly, a string wire led from the opposite fixed end is stretched under the left pulley of the adjusting rod, led to the left pulley at the front end of the sensor, then wound on the right pulley at the front end of the sensor, led to the rear pulley of the front end sliding block of the guide rail of the fixing frame from the left, led back to the front right pulley of the front end sliding block, led back to the fixed pulley at the left side of the rear end of the sensor after being wound on the front left pulley of the front end sliding block, led back to the front end of the middle pulley, and led out from the fixed pulley at the right side of the rear end of the sensor, led back to the lower side of the right pulley of the adjusting rod after being wound on the opposite fixed end;
when winding and measuring the tension value on the string, the following actions are performed: the whole sensor which is fixed through threads on the sensor substrate moves, and the tension value is measured in real time while the tension value of the string is changed;
the winding method is used on each pair of strings, and the tension of the strings of the pairs is controlled and measured in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110279938.1A CN113074857B (en) | 2021-03-16 | 2021-03-16 | Five-pulley tension testing system for tension measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110279938.1A CN113074857B (en) | 2021-03-16 | 2021-03-16 | Five-pulley tension testing system for tension measurement |
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| Publication Number | Publication Date |
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| CN113074857A CN113074857A (en) | 2021-07-06 |
| CN113074857B true CN113074857B (en) | 2023-04-28 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643497A (en) * | 1969-04-01 | 1972-02-22 | Hughes Aircraft Co | Tensile loading apparatus for moving wire |
| CN2053750U (en) * | 1988-11-09 | 1990-02-28 | 吴立普 | Internal-and external-pulley tension meter |
| CN106052931B (en) * | 2016-05-18 | 2018-09-14 | 中国矿业大学 | A kind of multi rope winding steel wire rope tension self-balancing testing stand and method |
| CN109850700B (en) * | 2018-12-22 | 2020-11-03 | 北京工业大学 | String stretching constant tension loading device of flexible frame |
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