CN106441683B - Steel wire rope tension measuring system with wedge-shaped body and method - Google Patents
Steel wire rope tension measuring system with wedge-shaped body and method Download PDFInfo
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- CN106441683B CN106441683B CN201610786256.9A CN201610786256A CN106441683B CN 106441683 B CN106441683 B CN 106441683B CN 201610786256 A CN201610786256 A CN 201610786256A CN 106441683 B CN106441683 B CN 106441683B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 180
- 239000010959 steel Substances 0.000 title claims abstract description 180
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
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- 238000005452 bending Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
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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 provides a system and a method for measuring the tension of a steel wire rope with a wedge-shaped body. Wherein, this system includes: the device comprises a clamping device, a wire tightening device and a tension measuring device; wherein: the two clamping devices are used for clamping the steel wire rope to be tested, and the distance between the two clamping devices is a preset distance; the wire tightening device is connected between the two clamping devices and used for tensioning the steel wire rope to be measured, the tension measuring device is connected between the two clamping devices and used for measuring the tension of the steel wire rope to be measured, and the wire tightening device and the tension measuring device are arranged in parallel. The steel wire rope tension measuring system with the wedge body can measure the tension of the measured steel wire rope by additionally arranging the steel wire rope tension measuring system with the wedge body on the measured steel wire rope under the conditions of no bending and no interruption of the measured steel wire rope, thereby not only ensuring the tension measuring precision, but also ensuring the continuity of the measured steel wire rope and not influencing the normal use of the measured steel wire rope.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation, in particular to a system and a method for measuring tension of a steel wire rope with a wedge-shaped body.
Background
The steel wire rope is the most common engineering rigging in engineering and is mainly used for lifting, traction, tensioning and bearing. The steel wire rope has high strength, light dead weight, stable work, difficult sudden whole breakage and reliable work. As a main load carrier, the safety of a steel wire rope is widely concerned, and therefore, the tension of the steel wire rope needs to be measured before the steel wire rope is put into use.
The tension measuring modes of the existing steel wire rope mainly comprise two modes:
the first method is to measure the load of the restoring line of the wire rope by bending the wire rope, and then calculate the tension of the wire rope. The method is only suitable for the steel wire rope with a smaller diameter, when the diameter of the steel wire rope is larger, bending is difficult, the bending angle cannot be determined due to the influence of the bending rigidity of the steel wire rope, and measuring and calculating errors are large.
The second way is to measure the tension by interrupting the wire rope and connecting a tension measuring device in series in the middle of the rope. Although the method ensures the measurement accuracy, the continuity of the steel wire rope is damaged, and the applicability of the steel wire rope is reduced.
Disclosure of Invention
In view of the above, the invention provides a system and a method for measuring the tension of a steel wire rope with a wedge, and aims to solve the problems that the existing measuring method needs to bend and interrupt the measured steel wire rope during measurement, so that the measurement precision is low and the continuous use of the measured steel wire rope is influenced.
In one aspect, the present invention provides a wire rope tension measurement system having a wedge, the system comprising: the device comprises a clamping device, a wire tightening device and a tension measuring device; wherein: the two clamping devices are used for clamping the steel wire rope to be tested, and the distance between the two clamping devices is a preset distance; the wire tightening device is connected between the two clamping devices and used for tensioning the steel wire rope to be measured, the tension measuring device is connected between the two clamping devices and used for measuring the tension of the steel wire rope to be measured, and the wire tightening device and the tension measuring device are arranged in parallel.
Further, in the above system for measuring a tension of a steel cord having a wedge, each of the clamping devices includes: the clamp comprises a clamp body and at least two wedges; the clamp body is an annular body with openings at two ends, and an inner cavity of the clamp body is conical; each wedge is arranged in the clamp body, a groove is axially formed in one end of each wedge with a small radial conical distance, and a channel for the steel wire rope to be tested to penetrate is formed in each groove in an enclosing mode.
Furthermore, in the steel wire rope tension measuring system with the wedge, each groove is provided with an anti-skidding mechanism.
Further, in the above system for measuring the tension of the steel wire rope with the wedge, the anti-slip mechanism is a thread formed on the wall surface of the groove.
Further, in the above system for measuring a tension of a steel wire rope having a wedge, the clamp body of each clamping device includes: a first arcuate clamp ring and a second arcuate clamp ring; the first arc-shaped clamp ring is detachably connected with the second arc-shaped clamp body and is enclosed into the clamp body; the first arc-shaped clamp ring is provided with a pull ring, and the tension measuring device is connected between the two clamping devices through the pull ring.
Further, in the above system for measuring a tension of a steel wire rope having a wedge, the clamp body of each clamping device further includes: a rotating shaft; wherein, one side of first arc anchor clamps ring is connected through the pivot with one side of second arc anchor clamps ring along the axial to, the opposite side of first arc anchor clamps ring can be dismantled with second arc anchor clamps ring opposite side and be connected.
Furthermore, in the above steel wire rope tension measuring system with the wedge, the second arc-shaped clamp ring is provided with a rope passing pipe, the line tightening device is provided with a line tightening steel wire rope, and the line tightening steel wire rope penetrates through the rope passing pipe.
Further, in the above steel wire rope tension measuring system having a wedge, the tension measuring device includes: the tension sensor comprises a first connecting device, a tension sensor and a second connecting device; wherein, first connecting device, tension sensor and second connecting device set up in proper order between two clamping device.
Further, in the above system for measuring a tension of a steel cord having a wedge, the tension sensor includes: a signal output device; the signal output device is used for outputting the measured tension data of the steel wire rope.
Further, the above-mentioned wire rope tension measuring system with wedge still includes: a signal receiving device; the signal receiving device is connected with the signal output device and used for receiving and processing the data output by the signal output device.
The steel wire rope tension measuring system with the wedge body can measure the tension of the steel wire rope to be measured by additionally arranging the steel wire rope tension measuring system with the wedge body on the steel wire rope to be measured under the conditions of no bending and no interruption of the steel wire rope to be measured, so that the tension measuring precision can be ensured, the continuity of the steel wire rope to be measured can be ensured, and the normal use of the steel wire rope to be measured is not influenced.
On the other hand, the invention provides a method for measuring the tension of a steel wire rope, which comprises the following steps: fixing two ends of a steel wire rope to be measured, and selecting a tension measuring point from the steel wire rope to be measured; respectively installing clamping devices on two sides of a tension measuring point; connecting the wire tightening device between the two clamping devices, starting the wire tightening device, tensioning the tested steel wire rope outside the two clamping devices, and closing the wire tightening device when the distance between the two clamping devices reaches a preset distance; connecting the tension measuring device between the two clamping devices, starting the wire tightening device, loosening the wire tightening steel wire rope of the wire tightening device, enabling the tension measuring device to bear the tension of the measured steel wire rope, and obtaining the tension value of the measured steel wire rope through the tension measuring device.
Furthermore, the tension measuring device transmits the measured tension data to the control device, and the control device reads the tension value of the measured steel wire rope.
The method for measuring the tension of the steel wire rope can measure the tension of the steel wire rope to be measured by additionally arranging the steel wire rope tension measuring system with the wedge-shaped body on the steel wire rope to be measured under the conditions of no bending and no interruption of the steel wire rope to be measured, thereby not only ensuring the tension measuring precision, but also ensuring the continuity of the steel wire rope to be measured and not influencing the normal use of the steel wire rope to be measured.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a steel cable tension measuring system with a wedge according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a clamping device in a steel cable tension measuring system with a wedge according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wedge in a steel wire rope tension measuring system having the wedge according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a clamp body in the steel wire rope tension measuring system with a wedge according to an embodiment of the present invention;
fig. 5 is a flowchart of a method for measuring a tension of a steel wire rope according to an embodiment of the present invention;
fig. 6 is another flowchart of a method for measuring a tension of a steel wire rope according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. 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.
The embodiment of the system is as follows:
referring to fig. 1, fig. 1 is a schematic structural diagram of a steel cable tension measuring system with a wedge according to an embodiment of the present invention. As shown, the system includes: a clamping device 1, a take-up device 2 and a tension measuring device 3.
Wherein, clamping device 1 can be two, all is used for the centre gripping to be surveyed wire rope 4 to, the distance between two clamping device 1 is preset distance, and during concrete implementation, the preset distance between two clamping device 1 is more than or equal to tension measuring device 3's length. The wire tightening device 2 is connected between the two clamping devices 1 and used for tensioning the tested steel wire rope 4, in the specific implementation, the wire tightening device 2 can select an electric wire tightening device, and the wire tightening device 2 can be provided with a wire tightening steel wire rope 21.
The tension measuring device 3 is connected between the two clamping devices 1 and used for measuring the tension of the steel wire rope 4 to be measured, the wire tightening device 2 and the tension measuring device 3 are arranged in parallel, and during specific implementation, the tension measuring device 3 can select a wireless tension measuring device.
During measurement, the two ends of the steel wire rope 4 to be measured are fixed, and then the steel wire rope 4 to be measured is determined to be in a stable state, namely, the steel wire rope cannot have large vibration, rotation or circumferential motion, which is a necessary condition for installing the steel wire rope tension measuring system with the wedge-shaped body. After the steel wire rope 4 to be measured is determined to be in a stable state, a tension measuring point is selected on the steel wire rope 4 to be measured, after the measuring point is selected, the clamping devices 1 are respectively installed on two sides of the tension measuring point, and the clamping device on the left side shown in fig. 1 is marked as a first clamping device, and the clamping device on the right side is marked as a second clamping device. The installation distance between the two clamping devices 1 is greater than or equal to the length of the tension measuring device 3, and the installation distance is the preset distance between the two clamping devices 1. After the two clamping devices 1 are installed, the wire tensioning device 2 is connected between the two clamping devices 1, the wire tensioning device 2 is started to reduce the distance between the two clamping devices 1, and then the tested steel wire ropes 4 outside the two clamping devices 1 are tensioned, namely the tested steel wire ropes 4 on the left side of the first clamping device and the tested steel wire ropes 4 on the right side of the second clamping device are tensioned. When the distance between the two clamping devices 1 reaches a certain distance, for example, 20cm to 30cm, the take-up device 2 is closed, and at this time, the take-up device 2 bears the tension of the measured steel wire rope 4. Then, the tension measuring device 3 is connected between the two clamping devices 1, the wire tightening device 2 is started, the wire tightening steel wire rope 21 of the wire tightening device 2 is loosened, at the moment, if the diameter of the measured steel wire rope 4 is too large, the wire tightening device 2 can be completely taken down to prevent the measured steel wire rope 4 from contacting with the wire tightening device 2, the tension of the measured steel wire rope 4 is born by the tension measuring device 3, and the tension value of the measured steel wire rope 4 is obtained through the tension measuring device 3. After the tension of the measured steel wire rope 4 is measured, the wire tightening device 2 is started, the wire tightening steel wire rope 21 is loosened primarily, the distance between the two clamping devices 1 is shortened so as to remove the tension measuring device 3, and then the wire tightening steel wire rope 21 is loosened completely, so that the measured steel wire rope 4 is restored to the initial state. And finally, the wire tensioning device 2 and the two clamping devices 1 are taken down, so that the tension of the measured steel wire rope 4 is measured.
During measurement, the tension measuring device actually measures the tension of the measured steel wire rope 4 between the first wire clamping device and the second wire clamping device, namely the tension of the measured steel wire rope 4 at the measuring point.
In this embodiment, under the circumstances that the measured wire rope is not bent and not interrupted, the tension of the measured wire rope can be measured by installing the wire rope tension measuring system with the wedge on the measured wire rope, so that the tension measuring precision can be ensured, the continuity of the measured wire rope can be ensured, and the normal use of the measured wire rope is not affected.
See fig. 2 and 3. As shown, each gripping device 1 may comprise: a clamp body 11 and at least two wedges 12. The clamp bodies 11 may be annular bodies with openings at two ends, and the inner cavities of the clamp bodies 11 are conical. Each wedge body 12 is uniformly and circumferentially arranged in the fixture body 11, and the end with the small taper of each wedge body 12 is arranged towards the end with the small inner diameter of the inner cavity of the fixture body 11. The end of each wedge 12 with a small radial distance is provided with a groove (not marked in the figure) along the axial direction, and each groove is surrounded to form a channel for the penetration of the steel wire rope 4 to be tested. Each groove can be provided with an anti-skid mechanism, and the anti-skid mechanism can be a thread formed on the wall surface of the groove.
In specific implementation, the material of the wedge 12 may be hard steel, or may be other materials, and the specific material may be determined according to actual conditions, which is not limited in this embodiment.
Specifically, the cross-sectional shape of each wedge 12 may be a circular ring, the shape of the opposite surface of each wedge 12 may be a right trapezoid, and the angle of the oblique side of the trapezoid is equal to the angle of the inner cavity of the clamp body 11. Preferably, the number of wedges 12 is 4.
During measurement, the clamp bodies 11 are firstly installed on two sides of a measuring point on the steel wire rope 4 to be measured, the ends with larger conical shapes of the inner cavities of the two clamp bodies 11 are opposite, and then the wedge bodies 12 are uniformly inserted between the clamp bodies 11 and the steel wire rope 4 to be measured in the circumferential direction. Each wedge body 12 is tightly inserted, and each wedge body 12 is ensured to extend out of the larger end of the inner cavity of the fixture body 11 for a certain distance, so that the wedge bodies 12 can be conveniently installed and detached. In the process of tensioning the steel wire rope 4 to be tested at the outer sides of the two clamping devices 1 by using the wire tensioning device 2, the wedge bodies 12 and the steel wire rope 4 to be tested form self-locking, and then the clamp bodies 11 and the steel wire rope 4 to be tested are relatively fixed.
In this embodiment, the clamping device 1 composed of the clamp body 11 and each wedge 12 has a self-locking function, can effectively lock the measured steel wire rope 4, improves the tension measurement accuracy of the measured steel wire rope 4, and is applicable to the measured steel wire ropes 4 with different diameters, and has better use performance. In addition, the measuring position can be changed at any time by changing the mounting position of the clamping device 1 on the measured steel wire rope 4, so that the measuring limitation is reduced.
Referring to fig. 4, fig. 4 shows a preferred construction of the clamp body. As shown, the gripper body 11 of each gripping device 1 may comprise: a first arcuate clamp ring 111 and a second arcuate clamp ring 112. Wherein, one side of first arc anchor clamps ring 111 is connected through pivot 113 with one side of second arc anchor clamps ring 112 along the axial, and the opposite side of first arc anchor clamps ring 111 can be dismantled with the opposite side of second arc anchor clamps ring 112 and be connected to realize freely opening and shutting of anchor clamps body 11, make anchor clamps body 11 can accomplish the installation fast and demolish when measuring, saved operating time. A first arcuate clamp ring 111 and a second arcuate clamp ring 112 enclose the clamp body 11. The first arc-shaped clamp ring 111 may be provided with a pull ring 1111, by which the tension measuring device 3 may be connected between the two clamping devices 1.
Specifically, the other side of the first arc-shaped clamp ring 111 and the other side of the second arc-shaped clamp ring 112 may be detachably connected by bolts.
In the above embodiment, the second arc-shaped clamp ring 112 may be provided with a rope threading tube 1121, and the wire-tightening steel wire rope 21 may be threaded through the rope threading tube 1121.
In specific implementation, in order to meet the necessary condition for installing the steel wire rope tension measuring system with the wedge, when two clamp bodies 11 are installed on two sides of a measuring point on the steel wire rope 4 to be measured, the rope penetrating pipes 1121 of the two clamp bodies 11 should be in the same plane.
Specifically, the take-up device may be connected to the right clamp body 11 in fig. 2 through the U-shaped ring 5, and the take-up steel wire 21 passes through the threading tube 1121 of the left clamp body 11, and is finally connected to the right clamp body 11 through the U-shaped ring 5. The tightening device 2 can be driven by a motor to tighten and loosen the wire rope 21.
In this embodiment, the second arc-shaped clamp ring 112 is provided with the rope passing tube 1121, and the wire tightening steel wire rope 21 of the wire tightening device 2 is connected between the two clamping devices 1 by penetrating the rope passing tube 1121, so that the collision between the wire tightening device 2 and the tension measuring device 3 is avoided, and the tension measuring device 3 is conveniently protected.
In the above embodiment, the tension measuring device 3 may include: a first connecting means 31, a tension sensor 32 and a second connecting means 33. Wherein the first connecting device 31, the tension sensor 32 and the second connecting device 33 are arranged in sequence between the two clamping devices 1.
During specific implementation, the first connecting device 31 and the second connecting device 33 can be both wire rope sleeves, and can also be formed by connecting a plurality of U-shaped rings 5 in series, and the specification of the wire rope sleeves can be selected according to the preset distance between the two clamping devices 1. The pull ring 1111 and the first connecting device 31, the first connecting device 31 and the tension sensor 32, the tension sensor 32 and the second connecting device 33, and the second connecting device 33 and the pull ring 1111 may be connected by the U-shaped ring 5. The tension sensor 32 may be a wireless tension sensor.
In this embodiment, the tension measuring device 32 is connected between the two clamping devices 1 by using the first connecting device 31 and the second connecting device 33, so that the problem that the distance between the two clamping devices 1 is too short to influence the measuring result due to the fact that the tension measuring device 32 is directly connected between the two clamping devices 1 is avoided.
In the above embodiment, the method may further include: a control device (not shown in the figure). Wherein, the control device is electrically connected with the tension sensor 32 and is used for receiving and displaying the data transmitted by the tension sensor 32.
During specific implementation, the control device can be in wireless connection with the tension sensor 32, and the tension value of the steel wire rope to be measured can be directly read through the control device, so that the tension measurement precision is higher. In addition, the measurement data transmitted by the tension sensor 32 can be received at a remote place without a data line, so that the method is suitable for complex terrain environments and wide in application range.
In summary, the steel wire rope tension measuring system with the wedge provided in this embodiment can measure the tension of the measured steel wire rope by installing the steel wire rope tension measuring system with the wedge on the measured steel wire rope without bending or interrupting the measured steel wire rope, so that the tension measuring accuracy can be ensured, the continuity of the measured steel wire rope can be ensured, and the normal use of the measured steel wire rope is not affected.
The method comprises the following steps:
referring to fig. 5, fig. 5 is a flowchart of a method for measuring a tension of a steel wire rope according to an embodiment of the present invention. As shown, the method comprises the following steps:
and step S1, fixing the two ends of the steel wire rope to be measured, and selecting a tension measuring point from the steel wire rope to be measured.
Specifically, two ends of the steel wire rope to be measured are fixed, and the steel wire rope to be measured is determined to be in a stable state, namely, large vibration, rotation or circumferential motion cannot be caused. And after the steel wire rope to be measured is determined to be in a stable state, selecting and measuring a tension measuring point on the steel wire rope to be measured.
In step S2, clamping devices are respectively installed on both sides of one tension measuring point.
Specifically, after the tension measuring point is selected, clamping devices are respectively installed on two sides of the tension measuring point, the clamping devices may be provided in the above system embodiment, and the left clamping device shown in fig. 1 is referred to as a first clamping device, and the right clamping device is referred to as a second clamping device. The two clamping devices can respectively comprise a clamp body and at least two wedge bodies, the clamp body is respectively arranged on two sides of a tension measuring point, the ends with larger conical shapes of the inner cavities of the two clamp bodies are opposite, and then the wedge bodies are uniformly inserted between the clamp body and a steel wire rope to be measured in the circumferential direction. Each wedge body is tightly inserted, and each wedge body is ensured to extend out of one end with a larger taper of the inner cavity of the fixture body for a certain distance, so that each wedge body can be conveniently installed and detached. In addition, the installation distance between the two clamping devices should be greater than or equal to the length of the tension measuring device, and the distance between the two clamping devices and the tension measuring point can be determined according to the actual measuring situation, and the embodiment does not limit the distance. The specific installation process and implementation process of the clamping device can be referred to the description in the above system embodiment, and the description is omitted here.
And step S3, connecting the wire tightening device between the two clamping devices, starting the wire tightening device, tensioning the tested steel wire rope outside the two clamping devices, and closing the wire tightening device when the distance between the two clamping devices reaches a preset distance.
In particular, the tightening device is connected between two clamping devices, which may be the tightening device provided in the above-described system embodiments. The stringing device can be connected between the two clamping devices by enabling the stringing steel wire rope to penetrate through the stringing pipe. And starting the wire tensioning device to enable the wire tensioning steel wire rope to contract, further shortening the distance between the two clamping devices, and enabling each wedge body and the tested steel wire rope to form self locking at the moment, so that the two clamping devices are all fixed relative to the tested steel wire rope, and finally tensioning the tested steel wire rope outside the two clamping devices. And when the distance between the two clamping devices reaches a preset distance, for example, 20 cm-30 cm, closing the wire tightening device. The specific installation process and implementation process of the wire tightening device can be referred to the description in the above system embodiment, and are not described herein again.
And step S4, connecting the tension measuring device between the two clamping devices, starting the wire tightening device, loosening the wire tightening steel wire rope of the wire tightening device, enabling the tension measuring device to bear the tension of the steel wire rope to be measured, and obtaining the tension value of the steel wire rope to be measured through the tension measuring device.
Specifically, the tension measuring device is connected between the two clamping devices, the tension measuring device can be the tension measuring device provided in the system embodiment, the tension measuring device and the wire tightening device are kept horizontal, then the wire tightening device is started, the wire tightening steel wire rope is loosened, the measured steel wire ropes on two sides of the measured point are loosened, the tension of the measured steel wire rope born by the wire tightening device originally is born by the tension measuring device, and the tension value of the measured steel wire rope is obtained through the tension measuring device. During measurement, the tension measuring device actually measures the tension of the steel wire rope to be measured between the first wire clamping device and the second wire clamping device, namely the tension of the steel wire rope 4 to be measured at the measuring point. The specific installation process and implementation process of the tension measuring device can be referred to the description in the above system embodiment, and the description is omitted here.
In this embodiment, a measuring point is selected on the steel wire rope to be measured, the clamping devices are respectively installed on two sides of the measuring point, the tension measuring device and the wire tightening device are installed between the two clamping devices, and finally the wire tightening device is started, so that the tension value of the steel wire rope to be measured can be measured when the preset distance between the two clamping devices is reached. The measuring method can measure the tension of the measured steel wire rope by adding the steel wire rope tension measuring system with the wedge body to the measured steel wire rope under the conditions of no bending and no interruption of the measured steel wire rope, thereby not only ensuring the tension measuring precision, but also ensuring the continuity of the measured steel wire rope and not influencing the normal use of the measured steel wire rope.
Further, referring to fig. 6, fig. 6 is a flowchart of a method for measuring a tension of a steel wire rope according to an embodiment of the present invention. As shown in the figure, the method for measuring the tension of the steel wire rope may further include: and step S5, the tension measuring device transmits the measured tension data to the control device, and the control device reads the tension value of the measured steel wire rope.
Specifically, the tension measuring device may include a wireless tension sensor having a function of wirelessly transmitting a signal. The wireless tension sensor transmits the measured tension data of the steel wire rope to the control device, and the control device directly reads the tension data of the steel wire rope to be measured.
In this embodiment, the numerical value of the measured tension of the steel wire rope can be directly read through the control device, so that the tension measurement precision is higher. In addition, the measurement data transmitted by the tension sensor 32 can be received at a remote place without a data line, so that the method is suitable for complex terrain environments and wide in application range.
In summary, the method for measuring the tension of the steel wire rope provided by the embodiment can measure the tension of the measured steel wire rope by installing the steel wire rope tension measuring system with the wedge on the measured steel wire rope without bending or interrupting the measured steel wire rope, so that the tension measuring precision can be ensured, the continuity of the measured steel wire rope can be ensured, and the normal use of the measured steel wire rope is not affected.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A wire rope tension measurement system having a wedge, comprising: the device comprises a clamping device (1), a wire tightening device (2) and a tension measuring device (3); wherein:
the device comprises two clamping devices (1) and a clamping device, wherein the two clamping devices (1) are used for clamping a steel wire rope (4) to be tested, and the distance between the two clamping devices (1) is a preset distance;
the wire tightening device (2) is connected between the two clamping devices (1) and used for tensioning the steel wire rope (4) to be measured, the tension measuring device (3) is connected between the two clamping devices (1) and used for measuring the tension of the steel wire rope (4) to be measured, and the wire tightening device (2) and the tension measuring device (3) are arranged in parallel;
each of the clamping devices (1) comprises: the clamp comprises a clamp body (11) and at least two wedges (12); wherein the content of the first and second substances,
the clamp bodies (11) are annular bodies with openings at two ends, and the inner cavities of the clamp bodies (11) are conical;
each wedge body (12) is arranged in the clamp body (11), a groove is formed in one end, with a small radial distance, of each wedge body (12) along the axial direction, and a channel used for penetrating the steel wire rope (4) to be tested is formed in a surrounding mode of each groove.
2. The steel cord tension measuring system with a wedge as claimed in claim 1,
each groove is provided with an anti-skid mechanism.
3. The steel cord tension measuring system with a wedge as claimed in claim 2,
the anti-skid mechanism is a thread formed on the wall surface of the groove.
4. A steel cord tension measuring system with wedge according to claim 1, characterized in that the gripper bodies (11) of each gripping device (1) comprise: a first arcuate clamp ring (111) and a second arcuate clamp ring (112); wherein the content of the first and second substances,
the first arc-shaped clamp ring (111) is detachably connected with the second arc-shaped clamp ring (112) and is enclosed into the clamp body (11);
the first arc-shaped clamp ring (111) is provided with a pull ring (1111), and the tension measuring device (3) is connected between the two clamping devices (1) through the pull ring (1111).
5. A steel cord tension measuring system with wedge according to claim 4, wherein the gripper body (11) of each gripping device (1) further comprises: a rotating shaft (113); wherein the content of the first and second substances,
one side of the first arc-shaped clamp ring (111) is connected with one side of the second arc-shaped clamp ring (112) along the axial direction through the rotating shaft (113), and the other side of the first arc-shaped clamp ring (111) is detachably connected with the other side of the second arc-shaped clamp ring (112).
6. The wire rope tension measuring system with a wedge of claim 4,
the second arc-shaped clamp ring (112) is provided with a rope penetrating pipe (1121), the line tightening device (2) is provided with a line tightening steel wire rope (21), and the line tightening steel wire rope (21) penetrates through the rope penetrating pipe (1121).
7. A steel cord tension measuring system with wedge according to any of claims 1 to 6, characterized in that the tension measuring device (3) comprises: a first connecting device (31), a tension sensor (32) and a second connecting device (33); wherein the content of the first and second substances,
the first connecting device (31), the tension sensor (32) and the second connecting device (33) are sequentially arranged between the two clamping devices (1).
8. The system of claim 7, further comprising: a control device; wherein the content of the first and second substances,
the control device is electrically connected with the tension sensor (32) and is used for receiving and displaying data transmitted by the tension sensor (32).
9. A wire rope tension measuring method using the wire rope tension measuring system according to any one of claims 1 to 8, characterized by comprising the steps of:
fixing two ends of a steel wire rope to be measured, and selecting a tension measuring point from the steel wire rope to be measured;
respectively installing clamping devices on two sides of one tension measuring point;
connecting a wire tightening device between the two clamping devices, starting the wire tightening device, tensioning the tested steel wire rope outside the two clamping devices, and closing the wire tightening device when the distance between the two clamping devices reaches a preset distance;
connect tension measuring device in two between the clamping device, make the tensioner bullwheel with tension measuring device is parallel, starts the tensioner bullwheel loosens tensioner bullwheel of tensioner bullwheel makes tension measuring device bears by survey wire rope's tension, the rethread tension measuring device obtains by survey wire rope's tension numerical value.
10. The wire rope tension measuring method according to claim 9,
and the tension measuring device transmits the measured tension data to the control device, and the control device reads the tension value of the measured steel wire rope.
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| CN108469325A (en) * | 2018-03-01 | 2018-08-31 | 广州杰赛科技股份有限公司 | Guywire tower bracing wire device for monitoring tension |
| CN109738287A (en) * | 2019-01-12 | 2019-05-10 | 尚廷东 | A kind of Suo Shengyong tension detecting apparatus |
| CN109668668A (en) * | 2019-01-12 | 2019-04-23 | 尚廷东 | A kind of drawstring tension measuring device |
| CN110864842A (en) * | 2019-11-25 | 2020-03-06 | 一汽解放汽车有限公司 | Traction force measuring device of pure electric light truck |
| CN111337176A (en) * | 2020-03-16 | 2020-06-26 | 湖北亿纬动力有限公司 | Steel belt tightness detection method and steel belt simulation device |
| CN113483933B (en) * | 2021-07-29 | 2023-11-17 | 宁波市特种设备检验研究院 | Tension meter system and steel wire rope tension measuring method |
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| US5038622A (en) * | 1989-12-22 | 1991-08-13 | Tijmann Willem B | Strain gage assembly for measuring excessive tensile strain of a flexible elongated member, such as a steel structural cable, or an electrical transmission cable, or a glass fiber optic communication cable, which may slightly twist under tensile strain |
| CN1979108A (en) * | 2006-12-07 | 2007-06-13 | 华南理工大学 | Steel twisted-line tension-force measuring device |
| CN201417187Y (en) * | 2009-03-18 | 2010-03-03 | 东莞市坚朗五金制品有限公司 | Rod-cable force measurer |
| CN101644613A (en) * | 2009-08-31 | 2010-02-10 | 国家广播电影电视总局东南广播电视维护中心 | Pulling force tester for stayguy of guyed tower |
| CN101839780B (en) * | 2009-12-23 | 2012-06-06 | 中国恩菲工程技术有限公司 | Carrier cable tension measurement and regulation device |
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| CN202840374U (en) * | 2012-10-19 | 2013-03-27 | 隆尧县供电有限责任公司 | Tension puller |
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