CN111664983A - Attached tension measuring device and using method thereof - Google Patents
Attached tension measuring device and using method thereof Download PDFInfo
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- CN111664983A CN111664983A CN202010746788.6A CN202010746788A CN111664983A CN 111664983 A CN111664983 A CN 111664983A CN 202010746788 A CN202010746788 A CN 202010746788A CN 111664983 A CN111664983 A CN 111664983A
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- rod
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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
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses an attached tension measuring device and a using method thereof, wherein the attached tension measuring device comprises a stay cable fixing part, a connecting block, a power part and a force measuring part; the inhaul cable fixing part comprises a fixing rod and a fixing block which are perpendicular to each other; the fixing block is provided with a first fixing hole for the fixing rod to pass through; the connecting block and the fixed block are arranged in parallel at intervals, and the connecting block is vertically provided with a guide hole; the fixed block is used for connecting the end part of the rope; one end of the force measuring component is connected with the fixed rod, and the other end of the force measuring component is connected with the connecting block; one end of the power component is connected with the fixed block, and the other end of the power component is connected with the connecting block so as to drive the fixed block to slide along the fixed rod through the power component. According to the technical scheme, the fixing block is connected with the fixing rod through the power component, the connecting block, the force measuring component and the fixing rod which are sequentially connected, and the tension of the rope on the fixing block is directly and accurately measured under the condition that the stress direction of the rope is not changed, so that an accurate measuring result is obtained.
Description
Technical Field
The invention relates to the technical field of tension test equipment meters, in particular to an attached tension measuring device and a using method of the attached tension measuring device.
Background
The stay cable is widely applied to occasions of high stay rope tower mast structures, cable-stayed bridges, suspension bridges, tie rod arches and cable construction. The tension of the steel cables such as the cable of the high guyed tower mast structure, the stay cable of the cable-stayed bridge, the main cable and the sling of the suspension bridge, the sling of the tie rod arch, the cable in construction and the like is an extremely important design parameter. The method has important practical significance in accurately measuring and estimating the steel rope tension of the inhaul cable. At present, a vibration method is widely adopted at home and abroad to estimate the steel cable tension of the inhaul cable, namely the steel cable tension of the inhaul cable is estimated through the measured natural frequency of the inhaul cable vibration. The natural frequency of the guy cable is influenced by the tensile force of the steel cable, the bending rigidity, the vertical span ratio, the supporting conditions of two ends and the inclination angle of the guy cable. Therefore, the pull force value of the guy cable obtained by the vibration method is only an approximate value indirectly obtained after assumption and conversion, and an accurate pull force value of the guy cable is not easy to obtain.
Disclosure of Invention
The invention mainly aims to provide an attached tension measuring device, and aims to solve the problem that an accurate tension value of a guy cable is difficult to obtain by the existing measuring device.
In order to achieve the purpose, the attached tension measuring device provided by the invention comprises a stay cable fixing part, a connecting block, a power part and a force measuring part; the inhaul cable fixing part comprises a fixing rod and a fixing block which are perpendicular to each other; the fixing block is provided with a first fixing hole for the fixing rod to pass through; the connecting block and the fixed block are arranged in parallel at intervals, and a guide hole is vertically formed in the connecting block; the fixing block is used for connecting the end part of a rope so that the rope passes through the guide hole along the direction parallel to the fixing rod; one end of the force measuring component is connected with the fixed rod, and the other end of the force measuring component is connected with the connecting block; one end of the power component is connected with the fixed block, and the other end of the power component is connected with the connecting block so as to drive the fixed block to slide along the fixed rod through the power component.
Preferably, the force measuring component comprises a sensor and a connecting rod, one end of the sensor is connected with the fixing rod, and the other end of the sensor is connected with the connecting block through the connecting rod.
Preferably, the power component includes first bracing piece, second bracing piece, pneumatic cylinder and hydraulic pump, the stiff end of pneumatic cylinder with first bracing piece is connected, the expansion end of pneumatic cylinder with the second bracing piece is connected, first bracing piece with the connecting block is connected, the second bracing piece with the fixed block is connected, the hydraulic pump is used for the drive pneumatic cylinder reciprocating motion.
Preferably, the power component further comprises a controller and an electromagnetic directional valve, the hydraulic pump and the electromagnetic directional valve are both connected with the controller, and the hydraulic pump is connected with the controller through the electromagnetic directional valve.
Preferably, the fixing rod comprises two rod segments arranged in parallel at intervals, the fixing block is arranged perpendicular to the rod segments, two first fixing holes for the two rod segments to pass through are formed in the fixing block, and the power component and the force measuring component are both provided with two groups symmetrically arranged relative to the axis of the cable; the same ends of the two rod piece sections are respectively connected through a connecting section, and the other ends of the two rod piece sections are respectively connected with the two force measuring components in a one-to-one correspondence mode.
Preferably, the rod piece section is provided with an external thread, and two sides of the rod piece section, which penetrate through the first fixing hole, are respectively in threaded connection with the external thread of the rod piece section through a first fixing nut; and the part of the fixed block, which is positioned between the two rod piece sections, is connected with a rope parallel to the rod piece sections.
Preferably, the force measuring unit further comprises a display device for displaying the magnitude of the force borne by the sensor and the calculation result of the calculation unit.
Preferably, the power component further comprises a control component, the control component comprises a computing module, and a control panel, a display module and a storage module which are connected with the computing module, the control panel is connected with and controls the power component, the force measuring component is connected with the storage module, and data acquired by the force measuring component is recorded in the storage module; the calculation module is used for acquiring the control record of the control panel and the data record of the force measuring component of the storage module and calculating the tension of the rope.
Preferably, the power component comprises a feedback unit, the feedback unit is used for feeding back power data of the power component, and the use method of the attached tension measuring device comprises the following steps:
after the attached tension measuring device is assembled, controlling the power component to move the fixed block, so that the tension of the cable acts on the force measuring component;
acquiring power data of the power component and data of the force measuring component, and judging whether a difference value between the power data of the power component and the data of the force measuring component is smaller than a preset value;
if so, controlling the fixed block to move through a power component so that the force measuring component can obtain measurement data of the fixed block on a plurality of groups of rope tension at different rope positions;
and acquiring measurement data of a plurality of groups of rope tension according to the force measuring component, and calculating and acquiring the tension of the rope.
According to the technical scheme, the fixing block is not directly connected with the fixing rod, but is connected with the power component, the connecting block, the force measuring component and the fixing rod which are sequentially connected, so that the tension of the steel cable received by the fixing block is directly measured, the stress direction of the stay cable is not changed, the stay cable is not damaged, the distance between the connecting block and the fixing block is controlled by the power component, and the test and the installation are more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an attached tension measuring device according to the present invention.
Fig. 2 is a schematic structural diagram of the attached tension measuring device of the present invention during force measurement.
Fig. 3 is a schematic structural view of a conventional rope fixing device.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
2 | |
3 | Fixed |
| 4 | |
5 | Connecting |
6 | |
| 7 | Force measuring component | 8 | |
9 | |
| 10 | |
11 | |
12 | First connectionConnecting hole |
| 13 | |
14 | Sensor with a sensor element | 15 | Connecting rod |
| 16 | Second connecting |
17 | Connecting nut |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides an attached tension measuring device, which includes a connecting block 5, a power component 6 and a force measuring component 7; connecting block 5 with 3 parallel arrangement of fixed block, the guiding hole has been seted up perpendicularly in the 5 middle parts of connecting block, the cable passes the guiding hole, 7 one end of dynamometry part with connecting block 5 is connected, the 7 other end of dynamometry part with dead lever 1 is connected, 6 one end of power part with fixed block 3 is connected, the 6 other end of power part with connecting block 5 is connected, power part 6 with dynamometry part 7 all is provided with about the axis symmetry of cable sets up two sets ofly.
In the technical scheme of the invention, the fixed block 3 is connected with the fixed rod 1 in a sliding manner, the fixed block 3 is connected with the fixed rod 1 through the power component 6, the connecting block 5 and the force measuring component 7 which are sequentially connected, the tension of the cable 11 received by the fixed block 3 is directly and accurately measured under the condition of not changing the stress direction of the cable 11, an accurate measurement result can be obtained due to the fact that the stress direction of the cable 11 is not changed, the cable 11 is not damaged, the distance between the connecting block 5 and the fixed block 3 is controlled by the power component 6, and the test and the installation are more convenient. Specifically, the force measuring part 7 is provided with a protective shell outside to prevent the force measuring part 7 from being damaged to influence the measurement accuracy.
Referring to fig. 1 and 2, in another embodiment of the present invention, the force measuring unit 7 includes a sensor 14 and a connecting rod 15, one end of the sensor 14 is connected to the fixing rod 1, and the other end of the sensor 14 is connected to the connecting block 5 through the connecting rod 15.
Specifically, the connecting rod 15 and the connecting block 5 are movably connected by the aid of the second fixing nuts 13 arranged on the two sides of the connecting rod 15 provided with threads and the second connecting hole 16. Controlling the distance between the connecting block 5 and the fixed block 3. Second connecting holes 16 are formed in the two ends of the connecting block 5, the axis of each second connecting hole 16 is symmetrically arranged with respect to the axis of each guide hole, threads are arranged on the connecting rods 15, the connecting rods 15 penetrate through the second connecting holes 16 in the two ends of the connecting block 5 respectively, the connecting block 5 is provided with second fixing nuts 13 on the two sides of each second connecting hole 16, and the second fixing nuts 13 are in threaded connection with the connecting rods 15. More specifically, first connection holes 12 are formed in both ends of the connection block 5, axes of the two first connection holes 12 are symmetrically arranged with respect to an axis of the guide hole, a thread is formed on the first support rod 8, the two first support rods 8 respectively penetrate through the first connection holes 12 in both ends of the connection block 5, second fixing nuts 13 are respectively arranged on both sides of the connection block 5, where the first connection holes 12 are formed, and the second fixing nuts 13 are in threaded connection with the first support rods 8. The first supporting rod 8 is movably connected with the connecting block 5 through threads on the first supporting rod 8 and a second fixing nut 13. Controlling the distance between the connecting block 5 and the fixed block 3. The sensor 14 is a pressure sensor, and the sensor 14 is connected with the fixing rod through a connecting nut 17.
Referring to fig. 1 and 2, in another embodiment of the present invention, the power unit 6 includes a first support rod 8, a second support rod 9, a hydraulic cylinder 10 and a hydraulic pump, a fixed end of the hydraulic cylinder 10 is connected to the first support rod 8, a movable end of the hydraulic cylinder 10 is connected to the second support rod 9, the first support rod 8 is connected to the connection block 5, the second support rod 9 is connected to the fixed block 3, and the hydraulic pump is configured to drive the hydraulic cylinder 10 to reciprocate.
Specifically, the hydraulic pump is used for the drive pneumatic cylinder 10 reciprocating motion to control the distance between control connecting block 5 and the fixed block 3, more specifically, first bracing piece 8 with 3 swing joint of fixed block, second bracing piece 9 with 5 swing joint of connecting block to predict the distance between control connecting block 5 and the fixed block 3 earlier when the attached tension measuring device of equipment, lead to unable arrival appointed distance because of pneumatic cylinder 10's stroke distance reason.
Referring to fig. 1 and 2, in another embodiment of the present invention, the power unit 6 further includes a controller and an electromagnetic directional valve, the hydraulic pump and the electromagnetic directional valve are both connected to the controller, and the hydraulic pump is connected to the controller through the electromagnetic directional valve.
Specifically, the controller realizes hydraulic system's control through control hydraulic pump and solenoid directional valve, strengthens hydraulic system's control, and to hydraulic system's control integration to the controller, when the test, it is more convenient quick, prevents to need to remove everywhere and comes the control to hydraulic system.
Referring to fig. 1 and 2, in another embodiment of the present invention, the fixing rod 1 includes two rod segments arranged in parallel at intervals, the fixing block 3 is arranged perpendicular to the rod segments, two first fixing holes 4 for the two rod segments to pass through are formed on the fixing block 3, and two sets of the power component 6 and the force measuring component 7 are symmetrically arranged about the axis of the cable 11; the same ends of the two rod segments are respectively connected through a connecting segment, and the other ends of the two rod segments are respectively connected with the two force measuring components 7 in a one-to-one correspondence manner.
Specifically, the fixed block comprises two rod segments arranged in parallel at intervals, the power component 6 and the force measuring component 7 are both provided with two groups symmetrically arranged about the axis of the cable 11, the two groups are tested from the two sides of the cable, the power component applies pressure, and the stress is more balanced.
Referring to fig. 1 and 2, in another embodiment of the present invention, an external thread is disposed on the rod segment, and the rod segment penetrates through two sides of the first fixing hole 4 and is respectively in threaded connection with the external thread of the rod segment through a first fixing nut 2; the part of the fixed block 3 between the two rod pieces is connected with a rope 11 parallel to the rod pieces.
Specifically, the rod piece section is provided with an external thread, the external thread is connected with the first fixing nut 2 to adjust the relative position of the rod piece section and the fixing block 3, and the rod piece section and the fixing block 3 are fixed at ordinary times.
Referring to fig. 1 and 2, in another embodiment of the present invention, the force measuring unit 7 further includes a display device for displaying the magnitude of the force received by the sensor 14.
Specifically, the real-time detection data of the sensor 14 is displayed by the display unit.
Referring to fig. 1 and 2, in another embodiment of the present invention, the power unit 6 further includes pressure gauges, and the two pressure gauges are respectively communicated with the two hydraulic cylinders 10.
Specifically, the pressure of the hydraulic cylinder 10 is detected by a pressure gauge, which is an electromagnetic pressure gauge, so that the approximate tension range of the cable can be obtained during the movement of the hydraulic cylinder 10, and during the pressurization of the hydraulic cylinder 10 by the hydraulic pump, when the tension is equal to or slightly greater than the pressure in the hydraulic cylinder 10, the pressure change of the pressure gauge stops or changes in the opposite direction and then continues to rise.
Referring to fig. 1 and 2, the attached tension measuring device further includes a control unit, the control unit includes a computing module, and a control panel, a display module and a storage module connected to the computing module, the control panel is connected to and controls the power unit 6, the force measuring unit 7 is connected to the storage module, and data obtained by the force measuring unit 7 is recorded in the storage module; the calculation module is used for acquiring the control record of the control panel and the data record of the force measuring component 7 of the storage module and calculating the tension of the rope.
Specifically, the control record of the control panel and the data record of the force measuring part 7 of the storage module are recorded by the calculation module to perform weighted average to obtain the tensile force of the rope, so that the speed of obtaining the tensile force of the rope is higher and more accurate. The fixed block 3 can move on the fixed rod 1, the fixed block 3 is arranged at each sliding position on the fixed rod 1, and the power part 6 and the force measuring part 7 are used for measuring and recording the tension of the rope 11; the calculation module is used for forming a rope 11 tension curve of the fixed block 3 at different positions on the fixed rod 1 according to tension values of different sections of the rope 11 under the same stretching length, the rope 11 tension curve is displayed on a display interface of the measuring device, and the calculation module forms a rope 11 analysis result and an adjustment suggestion according to the designed rope 11 tension and the error range.
Referring to fig. 1 and fig. 2, the present invention further provides a method for using an attached tension measuring apparatus, which is applied to any one of the attached tension measuring apparatuses described above, wherein the power unit 6 includes a feedback unit, the feedback unit is used for feeding back power data of the power unit 6, and the method for using the attached tension measuring apparatus includes the following steps:
after the attachment type tension measuring device is assembled, the power component 6 is controlled to move the fixed block 3, so that the tension of the cable 11 acts on the force measuring component 7;
acquiring power data of the power component 6 and data of the force measuring component 7, and judging whether a difference value between the power data of the power component 6 and the data of the force measuring component 7 is smaller than a preset value;
if yes, the power component 6 controls the fixed block 3 to move, so that the force measuring component 7 obtains measurement data of the tension force of the multiple groups of ropes 11 of the fixed block 3 at different positions of the ropes 11;
and acquiring measurement data of the tension of a plurality of groups of ropes 11 according to the force measuring component 7, and calculating to acquire the tension of the ropes 11.
Specifically, whether the difference between the power data of the power component 6 and the data of the force measuring component 7 is smaller than a preset value or not is judged, and when the difference between the power data of the power component 6 and the data of the force measuring component 7 is larger than the preset value, the fixed block 3 moves relative to the fixed rod 1, and the actual tension value of the rope 11 cannot be obtained.
Specifically, when the assembly is performed, two groups of force measuring components 7 and two groups of power components 6 are required to be parallel, so that the stress directions of the power components 6 and the force measuring components 7 are controlled, and the inconsistency of the measured tension results caused by the inconsistency of the stress directions and the tension directions of the ropes 11 is prevented.
In one embodiment, the rope 11 is measured at a design pull of 364.61kN at a measurement temperature of 30 ℃.
The test results were as follows:
| serial number | Number of measurements | Unit of | Inhaul cable tension data | First sensor + |
| 1 | First tension measurement | kN | 320.1 | 157.2+162.9 |
| 2 | Second tension measurement | kN | 320 | 157.6+162.4 |
| 3 | Third tension measurement | kN | 319.8 | 158.3+161.5 |
Wherein the first sensor is a sensor of one of said load cells 7 and the second sensor is a sensor of the other of said load cells 7.
And (4) conclusion: the actual tension of the rope 11 does not reach the design tension, the tension of the rope 11 needs to be increased to the design tension, the interval is increased by 26.6 kN-63 kN, and the qualified range is 346.4 kN-382.8 kN.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An attached tension measuring device is characterized by comprising a stay cable fixing part, a connecting block, a power part and a force measuring part; the inhaul cable fixing part comprises a fixing rod and a fixing block which are perpendicular to each other; the fixing block is provided with a first fixing hole for the fixing rod to pass through; the connecting block and the fixed block are arranged in parallel at intervals, and a guide hole is vertically formed in the connecting block; the fixing block is used for connecting the end part of a rope so that the rope passes through the guide hole along the direction parallel to the fixing rod; one end of the force measuring component is connected with the fixed rod, and the other end of the force measuring component is connected with the connecting block; one end of the power component is connected with the fixed block, and the other end of the power component is connected with the connecting block so as to drive the fixed block to slide along the fixed rod through the power component.
2. The attached tension measuring device of claim 1, wherein the force measuring unit comprises a sensor and a connecting rod, one end of the sensor is connected to the fixing rod, and the other end of the sensor is connected to the connecting block through the connecting rod.
3. The attached tension measuring device according to claim 1, wherein the power unit comprises a first support rod, a second support rod, a hydraulic cylinder, and a hydraulic pump, a fixed end of the hydraulic cylinder is connected to the first support rod, a movable end of the hydraulic cylinder is connected to the second support rod, the first support rod is connected to the connecting block, the second support rod is connected to the fixed block, and the hydraulic pump is used for driving the hydraulic cylinder to reciprocate.
4. The adhesion type tension measuring device according to claim 3, wherein the power unit further comprises a controller and a solenoid directional valve, the hydraulic pump and the solenoid directional valve are connected to the controller, and the hydraulic pump is connected to the controller through the solenoid directional valve.
5. The attached tension measuring device according to any one of claims 1 to 4, wherein the fixing rod comprises two rod segments arranged in parallel at intervals, the fixing block is arranged perpendicular to the rod segments, two first fixing holes for the two rod segments to pass through are formed in the fixing block, and the power member and the force measuring member are arranged in two groups symmetrically arranged with respect to the axis of the cable; the same ends of the two rod piece sections are respectively connected through a connecting section, and the other ends of the two rod piece sections are respectively connected with the two force measuring components in a one-to-one correspondence mode.
6. The attached tension measuring device according to claim 5, wherein the rod piece segment is provided with an external thread, and the two sides of the rod piece segment, which penetrate through the first fixing hole, are respectively in threaded connection with the external thread of the rod piece segment through a first fixing nut; and the part of the fixed block, which is positioned between the two rod piece sections, is used for connecting the rope parallel to the rod piece sections.
7. The attached tension measuring device of claim 2, wherein the force measuring means further comprises a display device for displaying the magnitude of the force experienced by the sensor.
8. The attached tension measuring device according to claim 3, wherein the power unit further comprises pressure gauges, and the two pressure gauges are respectively connected to the two hydraulic cylinders.
9. The attached tension measuring device according to claim 1, further comprising a control unit, wherein the control unit comprises a computing module, and a control board, a display module and a storage module connected to the computing module, the control board is connected to and controls the power unit, the force measuring unit is connected to the storage module, and data obtained by the force measuring unit is recorded in the storage module; the calculation module is used for acquiring the control record of the control panel and the data record of the force measuring component of the storage module and calculating the tension of the rope.
10. An application method of the attached tension measuring device, which is applied to the attached tension measuring device as claimed in any one of claims 1 to 9, wherein the power component comprises a feedback unit for feeding back power data of the power component, and the application method of the attached tension measuring device comprises the following steps:
after the attached tension measuring device is assembled, controlling the power component to move the fixed block, so that the tension of the cable acts on the force measuring component;
acquiring power data of the power component and data of the force measuring component, and judging whether a difference value between the power data of the power component and the data of the force measuring component is smaller than a preset value;
if so, controlling the fixed block to move through a power component so that the force measuring component can obtain measurement data of the fixed block on a plurality of groups of rope tension at different rope positions;
and acquiring measurement data of a plurality of groups of rope tension according to the force measuring component, and calculating and acquiring the tension of the rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746788.6A CN111664983A (en) | 2020-07-29 | 2020-07-29 | Attached tension measuring device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746788.6A CN111664983A (en) | 2020-07-29 | 2020-07-29 | Attached tension measuring device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111664983A true CN111664983A (en) | 2020-09-15 |
Family
ID=72392872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010746788.6A Pending CN111664983A (en) | 2020-07-29 | 2020-07-29 | Attached tension measuring device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111664983A (en) |
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2020
- 2020-07-29 CN CN202010746788.6A patent/CN111664983A/en active Pending
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