CN106441682B - Steel wire rope tension measuring device and method with self-locking wire clamping function - Google Patents
Steel wire rope tension measuring device and method with self-locking wire clamping function Download PDFInfo
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- CN106441682B CN106441682B CN201610779641.0A CN201610779641A CN106441682B CN 106441682 B CN106441682 B CN 106441682B CN 201610779641 A CN201610779641 A CN 201610779641A CN 106441682 B CN106441682 B CN 106441682B
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- 239000010959 steel Substances 0.000 title claims abstract description 151
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- 238000005259 measurement Methods 0.000 description 15
- 238000005452 bending Methods 0.000 description 9
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
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Abstract
The invention provides a steel wire rope tension measuring device with a self-locking wire clamping function and a method. Wherein, the device includes: the device comprises a wire clamping device, a wire tightening device and a tension measuring device; the two wire clamping devices are used for clamping the steel wire rope to be tested, and the distance between the two wire clamping devices is a preset distance; the tension measuring device and the wire tightening device are sequentially connected between the two wire clamping devices, the wire tightening device is used for tensioning the steel wire rope to be measured, and the wire tightening device is used for tensioning the steel wire rope to be measured. The steel wire rope tension measuring device with the self-locking wire clamping function can measure the tension of a measured steel wire rope by additionally arranging the steel wire rope tension measuring system on the measured steel wire rope under the condition of not interrupting the measured steel wire rope, can ensure the continuity of the measured steel wire rope, does not influence the normal use of the measured steel wire rope, and has more accurate measuring result.
Description
Technical Field
The invention relates to the technical field of power transmission and transformation, in particular to a steel wire rope tension measuring device with a self-locking wire clamping function and a method.
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 the steel wire rope is concerned widely.
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 when the tension of the steel wire rope is measured, so that the applicability of the steel wire rope is reduced.
Disclosure of Invention
In view of the above, the invention provides a steel wire rope tension measuring device with a self-locking wire clamping function and a method thereof, and aims to solve the problems that the existing measuring method needs to bend and interrupt a 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 invention provides a steel wire rope tension measuring device with a self-locking wire clamping function. The device includes: the device comprises a wire clamping device, a wire tightening device and a tension measuring device; the two wire clamping devices are used for clamping the steel wire rope to be tested, and the distance between the two wire clamping devices is a preset distance; the tension measuring device and the wire tightening device are sequentially connected between the two wire clamping devices, the tension measuring device is used for measuring the tension of the steel wire rope to be measured, and the wire tightening device is used for tensioning the steel wire rope to be measured.
Further, in the above steel wire rope tension measuring device with a self-locking wire clamping function, each wire clamping device includes: the wire clamping device comprises a transmission mechanism, a first wire clamping clamp and a second wire clamping clamp; wherein, first card wire pincers and second card wire pincers all articulate mutually with drive mechanism to, first card wire pincers and second card wire pincers enclose and establish into the passageway that is used for being surveyed wire rope and wears to establish, and drive mechanism is used for pulling first card wire pincers in order to change the size of passageway.
Further, in the above steel wire rope tension measuring device having a self-locking wire clamping function, the first wire clamping pliers comprise: the first wire clamping seat and the first wire clamping body; the first wire clamping seat is detachably connected with the first wire clamping body, and the first wire clamping body is provided with a first groove; the second wire trap includes: the second wire clamping seat and the second wire clamping body; the second wire clamping seat is detachably connected with the second wire clamping body, and the second wire clamping body is provided with a second groove; the first groove and the second groove are surrounded to form a channel for the steel wire rope to be tested to penetrate through.
Further, in the above steel wire rope tension measuring device with a self-locking wire clamping function, the transmission mechanism includes: the main board, the pull ring and the connecting assembly; the pull ring is connected with the connecting assembly and used for pulling the first end of the connecting assembly to slide along the first sliding chute; the first wire clamping pliers are hinged with the connecting assembly, the main board is provided with an arc-shaped groove, the first end of the first wire clamping pliers is embedded in the arc-shaped groove, and the connecting assembly is used for pulling the first end of the first wire clamping pliers to slide along the arc-shaped groove; the first end of the second wire clamping pliers is connected with the main board, and the second end of the second wire clamping pliers is hinged with the second end of the connecting component; the tension measuring device and the wire tightening device are sequentially connected between the pull rings of the two wire clamping devices.
Further, among the above-mentioned wire rope tension measuring device who has auto-lock card line function, coupling assembling includes: a first connecting plate and a second connecting plate; the first end of the first connecting plate is slidably embedded in the first sliding groove, the first end of the first connecting plate is connected with the pull ring, and the second end of the first connecting plate is hinged to the first end of the second connecting plate. The second end of the second connecting plate is hinged with the second end of the second wire clamping pliers, and the first wire clamping pliers are hinged with the second connecting plate.
Further, among the above-mentioned wire rope tension measuring device who has a auto-lock card line function, coupling assembling still includes: a third connecting plate arranged in parallel with the first connecting plate; the main board is clamped between a first connecting plate and a third connecting plate, the first connecting plate and the third connecting plate are clamped between pull rings, and the first end of the third connecting plate is connected with the pull rings; the other side of the main board is provided with a second sliding groove, the third connecting plate is slidably embedded in the second sliding groove, and the pull ring is used for pulling the first end of the third connecting plate to slide along the second sliding groove; the second connecting plate is arranged between the first connecting plate and the third connecting plate in a clamped mode, and the second end of the third connecting plate is hinged to the first end of the second connecting plate.
Further, in the above steel wire rope tension measuring device with a self-locking wire clamping function, each wire clamping device further comprises: a first connecting rod and a second connecting rod; the first connecting rod sequentially penetrates through the second end of the second wire clamping pliers and the second end of the second connecting plate and extends out of the second wire clamping pliers by a preset length; the first end of the second connecting rod is hinged with the first wire clamp, and the second end of the second connecting rod is hooked on the extending end of the first connecting rod.
Further, in the above steel wire rope tension measuring device with a self-locking wire clamping function, the tension measuring device further includes: a connecting device and a tension sensor; wherein, connecting device, tension sensor and tensioner bullwheel are connected in proper order between the pull ring of two calorie of line devices.
Further, the above steel wire rope tension measuring device with self-locking wire clamping function further comprises: a control device; the control device is electrically connected with the tension sensor and used for receiving and displaying data output by the tension sensor.
The steel wire rope tension measuring device with the self-locking wire clamping function can measure the tension of a measured steel wire rope by additionally arranging the steel wire rope tension measuring device with the self-locking wire clamping function 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.
On the other hand, the invention also provides a steel wire rope tension measuring method, 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; two sides of a tension measuring point are respectively provided with a wire clamping device; connecting the tension measuring device and the wire tightening device between the two wire clamping devices in sequence, starting the wire tightening device, tensioning the measured steel wire rope outside the two wire clamping devices, and closing the wire tightening device when the distance between the two wire clamping devices reaches a preset distance; and obtaining the tension value of the steel wire rope to be measured through a 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 device with the self-locking wire clamping function 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 wire rope tension measuring device with a self-locking wire clamping function according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wire clamping device in the steel wire rope tension measuring device with the self-locking wire clamping function according to the embodiment of the present invention;
fig. 3 is a flowchart of a method for measuring a tension of a steel wire rope according to an embodiment of the present invention;
fig. 4 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 device is as follows:
referring to fig. 1, fig. 1 is a schematic structural diagram of a steel wire rope tension measuring device with a self-locking wire clamping function according to an embodiment of the present invention. As shown, the apparatus comprises: the device comprises a wire clamping device 1, a wire tightening device 2 and a tension measuring device 3.
The two wire clamping devices 1 can be used for clamping the steel wire rope 4 to be measured, the distance between the two wire clamping devices 1 is a preset distance, and the preset distance is larger than or equal to the length of the tension measuring device 3 in specific implementation. Tension measuring device 3 and take-up device 2 connect gradually between two calorie of line devices 1, tension measuring device 3 is used for measuring the tension of being surveyed wire rope 4, take-up device 2 is used for the tensioning to be surveyed wire rope 4, during concrete implementation, electronic take-up device can be selected to take-up device 2, and, take-up device 2 can be provided with telescopic link 21, take-up device 2 can connect in the calorie of line device 1 on right side in figure 1 through telescopic link 21, take-up device 2 can be by motor drive and then realize stretching out and the shrink of telescopic link 21.
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, large vibration, rotation or circumferential motion cannot occur, which is a necessary condition for installing the steel wire rope tension measuring device with the self-locking wire clamping function. After the steel wire rope 4 to be tested is determined to be in a stable state, a tension measuring point is selected on the steel wire rope 4 to be tested, the wire clamping devices 1 are installed on two sides of the tension measuring point respectively after the measuring point is selected, the wire clamping device on the left side shown in the figure 1 is marked as a first wire clamping device, and the wire clamping device on the right side is marked as a second wire clamping device. The installation distance between the two wire clamping devices 1 is greater than or equal to the sum of the lengths of the tension measuring device 3, the wire tightening device 2 and the telescopic rod 21, and the installation distance is the preset distance between the two wire clamping devices 1. And then, primarily pulling the two wire clamping devices 1 to enable the two wire clamping devices 1 to primarily clamp the steel wire rope 4 to be tested. After the installation is accomplished, connect tension measuring device 3 and take-up unit 2 between two calorie of line devices 1 in proper order, and start take-up unit 2, make telescopic link 21 shrink, and then make the distance between two calorie of line devices 1 reduce, at the in-process of the distance between two calorie of line devices 1 of shrink, two calorie of line devices 1 will be surveyed wire rope 4 further chucking and with surveyed wire rope 4 relatively fixed, and then the left surveyed wire rope 4 of the first calorie of line device of tensioning and the surveyed wire rope 4 on second calorie of line device right side. And when the distance between the two wire clamping devices 1 reaches a preset distance, for example, 20 cm-30 cm, closing the wire tightening device 2, and obtaining the tension value of the measured steel wire rope 4 through the tension measuring device 3. After the tension of the steel wire rope 4 to be measured is measured, the wire tightening device 2 is started to extend the telescopic rod 21, so that the steel wire rope 4 to be measured is restored to the initial state. And finally, the wire tightening device 2, the tension measuring device 3 and the two wire 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 steel wire rope at the measuring point.
In this embodiment, under the circumstances that does not buckle, not interrupt the wire rope that is surveyed, through install this wire rope tension measuring device with auto-lock card line function additional in the wire rope that is surveyed, just can measure the tension of the wire rope that is surveyed, both can guarantee tension measurement accuracy and can guarantee the continuity of the wire rope that is surveyed, do not influence the normal use of the wire rope that is surveyed.
Referring to fig. 2, fig. 2 shows a preferred structure of the wire clamping device. As shown in the figure, each wire clamping device 1 may include: a transmission mechanism 11, a first wire clamping clamp 12 and a second wire clamping clamp 13. Wherein, first card line pincers 12 and second card line pincers 13 all can articulate mutually with drive mechanism 11 to, first card line pincers 12 and second card line 13 pincers enclose and establish into the passageway that is used for being surveyed wire rope 4 and wears to establish, and drive mechanism 11 can stimulate first card line pincers 12, and then changes the size of passageway.
During the concrete implementation, second card line pincers 13 can be fixed motionless, and drive mechanism 11 can stimulate first card line pincers 12 and remove to change the distance between first card line pincers 12 and the second card line pincers 13, change the size that the passageway was worn to establish by survey wire rope 4 promptly, thereby realize pressing from both sides the purpose of tight survey wire rope 4.
In this embodiment, the size of the channel surrounded by the first wire clamping pliers 12 and the second wire clamping pliers 13 is changed, so that the measured steel wire rope 4 can be effectively clamped, and the measurement accuracy of the tension is improved.
In the above embodiment, the first wire clamping pliers 12 may include: a first wire clamping seat 121 and a first wire clamping body 122. The first wire clamping seat 121 is detachably connected to the first wire clamping body 122, and the first wire clamping body 122 may be provided with a first groove (not labeled in the figure). The second wire trap 13 includes: a second wire clamping seat 131 and a second wire clamping body 132. The second wire clamping seat 131 is detachably connected to the second wire clamping body 132, and the second wire clamping body 132 may be provided with a second groove (not shown). First recess and second recess enclose and establish the passageway that is used for being surveyed 4 wear to establish, all can be provided with the screw thread in first recess and the second recess to the realization is to being surveyed 4 further chucking of wire rope.
In this embodiment, the specifications of the first wire clamping body 122 and the second wire clamping body 132 can be selected according to the specification of the measured steel wire rope 4, that is, the first wire clamping body 122 and the second wire clamping body 132 with grooves of different specifications are selected, so as to measure the tension of the measured steel wire rope 4 with different diameters, and the steel wire rope tension measuring device is more widely applied.
In the above embodiment, the transmission mechanism 11 may include: a main plate 111, a tab 112 and a connecting assembly 113. A first sliding groove may be formed on one side of the main plate 111, a first end (a right end shown in fig. 2) of the connecting assembly 113 is slidably embedded in the first sliding groove (not shown), and the pull ring 112 may be connected to the connecting assembly 113. The first wire clamping pliers 12 can be hinged to the connecting assembly 113, an arc-shaped groove can be formed in the main board 111, and a first end (the right end shown in fig. 2) of the first wire clamping pliers 12 can be embedded in the arc-shaped groove. A first end (a right end shown in fig. 2) of the second wire clamping jaw 13 may be connected with the main board 111, and a second end (a left end shown in fig. 2) of the second wire clamping jaw 13 may be hinged with a second end (a left end shown in fig. 2) of the connecting assembly 113. The tension measuring device 3 and the take-up device 2 are connected in turn between the pull rings 112 of the two thread clamping devices 1.
In this embodiment, when the two pull rings 112 are pulled relatively, the measured steel wire rope 4 is clamped, but when the two pull rings 112 are pulled back to back, the measured steel wire rope 4 is loosened, so that the operation is simple and the implementation is easy.
In the above embodiment, the connection assembly 113 may include: a first connection plate 1131 and a second connection plate 1132. A first end (a lower end shown in fig. 2) of the first connecting plate 1131 is slidably embedded in the first sliding groove, and the first end of the first connecting plate 1131 can be connected to the pull ring 112, and a second end (an upper end shown in fig. 2) of the first connecting plate 1131 can be hinged to a first end (an upper end shown in fig. 2) of the second connecting plate 1132. The second end (the lower end shown in fig. 2) of the second connection plate 1132 may be hinged to the second end of the second wire trap 13, and the first wire trap 12 may be hinged to an intermediate position of the second connection plate 1132.
During measurement, the line clamping device 1 is respectively installed on two sides of a tension measuring point, and the directions of the two pull rings 112 are opposite. When starting tensioner 2, when making telescopic link 21 shrink, pull ring 112 stimulates first connecting plate 1131, make first connecting plate 1131's first end slide along first sliding tray, and then stimulate second connecting plate 1132, because first card wire pincers 12 and second connecting plate 1132 are articulated mutually and first end inlays locates the arc wall, so when stimulateeing first connecting plate 1131, the first end of first card wire pincers 12 can slide along the arc wall, and then make the passageway that is worn to establish by survey wire rope 4 diminish, realized being surveyed wire rope 4's the clamp tight. In a similar way, when the telescopic rod 21 of the wire tightening device 2 is loosened, the passage through which the detected steel wire rope 4 penetrates is enlarged, and the loosening of the detected steel wire rope 4 is realized.
In specific implementation, if the tension of the measured steel wire rope 4 is too large and the diameter of the telescopic rod 21 is too small, in order to avoid the problem that the telescopic rod 21 is damaged due to too large load, the pulley block can be used to replace the telescopic rod 21 to be connected with the pull ring 112 of the wire clamping device 1.
In this embodiment, the tightening device 2 is provided with a telescopic rod, so that the tightening device 2 can control the tensioning and releasing of the steel wire rope to be tested more flexibly.
In the above embodiment, the connection assembly 113 may further include: and a third connecting plate 1133 provided in parallel with first connecting plate 1131. The main board 111 is clamped between the first connecting plate 1131 and the third connecting plate 1133, the first connecting plate 1131 and the third connecting plate 1133 are both clamped between the pull rings 112, and a second sliding slot (labeled in the figure) can be formed in the other side of the main board 111. First end of first link plate 1131, first end of third link plate 1133 (lower end shown in fig. 2) and tab 112 may be hinged by a pin and the pin is disposed in a through slot, thereby enabling tab 112 to simultaneously pull first link plate 1131 and second link plate 1133 to slide along the through slot. The second connecting plate 1132 is interposed between the first connecting plate 1131 and the third connecting plate 1133, and a second end (an upper end shown in fig. 2) of the third connecting plate 1133 and a second end of the first connecting plate 1131 may be hinged to the first end of the second connecting plate 1132 through a pin.
In this embodiment, the first connecting plate 1131 and the third connecting plate 1133 are arranged in parallel, so that the clamping effect of the wire clamping device 1 is better, and the measurement result is more accurate.
In the above embodiments, each wire clamping device 1 may further include: a first connecting rod 14 and a second connecting rod 15. The first connecting rod 14 sequentially penetrates through the second end of the second wire clamping clamp 13 and the second end of the second connecting plate 1132, and extends out of the second wire clamping clamp 13 by a preset length. A first end (an upper end shown in fig. 2) of the second connecting rod 15 may be hinged to the first wire clamping pliers 12, and a second end (a lower end shown in fig. 2) of the second connecting rod 15 may be hooked on an extending end of the first connecting rod 14.
In specific implementation, the second end of the second connection plate 1132 extends out by a preset length to enable the second end of the second connection rod 15 to hook, which is not specifically limited in this embodiment.
In this embodiment, a second connecting rod 15 is arranged between the first wire clamping pliers 12 and the second wire clamping pliers 13, so that the first wire clamping pliers 12 and the second wire clamping pliers 13 are located on the same plane, the clamping effect of the wire clamping device 1 is further better, and the measurement result is more accurate.
In the above embodiments, the tension measuring device 3 further includes: a connecting device 31 and a tension sensor 32. Wherein the connecting device 31, the tension sensor 32 and the take-up 2 are connected in sequence between the pull rings 112 of the two thread clamping devices 1.
During specific implementation, the connecting device 31 can be a steel wire rope sleeve, and also can be formed by connecting a plurality of U-shaped rings 5 in series, and the specification of the steel wire rope sleeve can be selected according to the preset distance between the two wire clamping devices 1. The pull ring 112 and the connecting device 31, and the connecting device 31 and the tension sensor 32 can be connected by a U-shaped ring 5. The tension sensor 32 may be a wireless tension sensor.
In this embodiment, the connecting device 31, the tension measuring device 32 and the tightening device 2 are connected between the two wire clamping devices 1, so that the problem that the distance between the two wire clamping devices 1 is too short to further influence the measuring result because the tension measuring device 32 and the tightening device 2 are directly connected between the two wire 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 4 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 device with the self-locking wire clamping function provided by the embodiment can measure the tension of the measured steel wire rope by additionally arranging the steel wire rope tension measuring device with the self-locking wire clamping function 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 influenced.
The method comprises the following steps:
referring to fig. 3, fig. 3 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 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, wire-clamping devices are respectively installed on both sides of one tension measuring point.
Specifically, two sides of the selected tension measurement point are respectively provided with a wire clamping device, which may be the wire clamping device provided in the above device embodiment, and the left wire clamping device shown in fig. 1 is denoted as a first wire clamping device, and the right wire clamping device is denoted as a second wire clamping device. During installation, the pull ring directions of the two wire clamping devices are opposite, and then the two wire clamping devices are initially tensioned, so that the detected steel wire rope is initially clamped. The installation distance between the two wire clamping devices is more than or equal to the sum of the lengths of the tension measuring device, the wire tightening device and the telescopic rod. The distance between the two wire 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 wire clamping device can be referred to the description in the above device embodiment, and details are not repeated here.
And step S3, sequentially connecting the tension measuring device and the wire tightening device between the two wire clamping devices, starting the wire tightening device, tensioning the steel wire rope to be measured outside the two wire clamping devices, closing the wire tightening device after the distance between the two wire clamping devices reaches a preset distance, and obtaining the tension value of the steel wire rope to be measured through the tension measuring device.
Specifically, the tension measuring device and the tightening device are sequentially connected between the two wire clamping devices, and both the tension measuring device and the tightening device can be provided in the embodiments of the device. The wire tightening device is started, the telescopic rod is contracted, the distance between the two wire clamping devices is further shortened, the two wire clamping devices and the tested steel wire rope form self locking at the moment, namely, the two wire clamping devices are fixed relative to the tested steel wire rope, and finally, the tested steel wire rope outside the two wire clamping devices is tensioned, namely, the tested steel wire rope 4 on the left side of the first wire clamping device and the tested steel wire rope 4 on the right side of the second wire clamping device are tensioned. And when the distance between the two wire clamping devices reaches a preset distance, for example, 20 cm-30 cm, closing the wire tightening device, and obtaining the tension value of the measured steel wire rope through the tension measuring device. 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 steel wire rope at the measuring point. The specific installation process and implementation process of the tension measuring device and the wire tightening device can be referred to the description in the above device embodiments, and are not described herein again.
In this embodiment, a tension measuring point is selected on the steel wire rope to be measured, two sides of the measuring point are respectively provided with the wire clamping devices, then the tension measuring device and the wire tightening device are arranged between the two wire 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 distance between the two wire clamping devices reaches a preset distance. The measuring method can measure the tension of the measured steel wire rope by additionally arranging the steel wire rope tension measuring device with the self-locking wire clamping function 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.
Further, referring to fig. 4, fig. 4 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 S4, 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 measuring data transmitted by the tension sensor can be received at a distance 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 device with the self-locking wire clamping function 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. The utility model provides a wire rope tension measuring device with auto-lock card line function which characterized in that includes: the device comprises a wire clamping device (1), a wire tightening device (2) and a tension measuring device (3); wherein,
the two wire clamping devices (1) are used for clamping the steel wire rope (4) to be tested, and the distance between the two wire clamping devices (1) is a preset distance;
the tension measuring device (3) and the wire tightening device (2) are sequentially connected between the two wire clamping devices (1), the tension measuring device (3) is used for measuring the tension of the steel wire rope (4) to be measured, and the wire tightening device (2) drives the two wire clamping devices (1) to move, so that the distance between the two wire clamping devices (1) is shortened, the two wire clamping devices (1) clamp the steel wire rope (4) to be measured, and the steel wire rope (4) to be measured is tensioned;
each of the wire clamping devices (1) comprises: the device comprises a transmission mechanism (11), a first wire clamping clamp (12) and a second wire clamping clamp (13); wherein,
the first wire clamping pliers (12) and the second wire clamping pliers (13) are hinged to the transmission mechanism (11), a channel for the tested steel wire rope (4) to penetrate through is formed by the first wire clamping pliers (12) and the second wire clamping pliers (13) in a surrounding mode, and the transmission mechanism (11) is used for pulling the first wire clamping pliers (12) to change the size of the channel.
2. The steel wire rope tension measuring device with the self-locking wire clamping function according to claim 1,
the first wire trap (12) comprises: a first wire clamping seat (121) and a first wire clamping body (122); the first wire clamping seat (121) is detachably connected with the first wire clamping body (122), and the first wire clamping body (122) is provided with a first groove;
the second wire trap (13) comprises: a second wire clamping seat (131) and a second wire clamping body (132); the second wire clamping seat (131) is detachably connected with the second wire clamping body (132), and the second wire clamping body (132) is provided with a second groove;
and the first groove and the second groove are enclosed into a channel for the penetration of the steel wire rope (4) to be tested.
3. The steel wire rope tension measuring device with self-locking wire clamping function according to claim 2, wherein the transmission mechanism (11) comprises: a main plate (111), a pull ring (112) and a connecting component (113); wherein,
a first sliding groove is formed in one side of the main plate (111), a first end of the connecting assembly (113) is slidably embedded in the first sliding groove, and the pull ring (112) is connected with the connecting assembly (113) and used for pulling the first end of the connecting assembly (113) to slide along the first sliding groove;
the first wire clamping pliers (12) are hinged to the connecting assembly (113), an arc-shaped groove is formed in the main plate (111), the first end of the first wire clamping pliers (12) is embedded in the arc-shaped groove, and the connecting assembly (113) is used for pulling the first end of the first wire clamping pliers (12) to slide along the arc-shaped groove;
the first end of the second wire clamping clamp (13) is connected with the main board (111), and the second end of the second wire clamping clamp (13) is hinged with the second end of the connecting component (113);
the tension measuring device (3) and the wire tightening device (2) are sequentially connected between the pull rings (112) of the two wire clamping devices (1).
4. A steel cord tension measuring device with self-locking wire jamming function according to claim 3, wherein the connection assembly (113) comprises: a first connection plate (1131) and a second connection plate (1132); wherein,
the first end of the first connecting plate (1131) is slidably embedded in the first sliding groove, the first end of the first connecting plate (1131) is connected with the pull ring (112), and the second end of the first connecting plate (1131) is hinged with the first end of the second connecting plate (1132);
the second end of the second connecting plate (1132) is hinged to the second end of the second wire clamp (13), and the first wire clamp (12) is hinged to the second connecting plate (1132).
5. The steel wire rope tension measuring device with self-locking wire clamping function according to claim 4, wherein the connecting assembly (113) further comprises: a third connecting plate (1133) arranged in parallel with the first connecting plate (1131); wherein,
the main plate (111) is clamped between the first connecting plate (1131) and the third connecting plate (1133), the first connecting plate (1131) and the third connecting plate (1133) are clamped between the pull rings (112), and a first end of the third connecting plate (1133) is connected with the pull ring (112);
a second sliding groove is formed in the other side of the main plate (111), the third connecting plate (1133) is slidably embedded in the second sliding groove, and the pull ring (112) is used for pulling the first end of the third connecting plate (1133) to slide along the second sliding groove;
the second connecting plate (1132) is clamped between the first connecting plate (1131) and the third connecting plate (1133), and the second end of the third connecting plate (1133) is hinged to the first end of the second connecting plate (1132).
6. The steel wire rope tension measuring device with the self-locking wire clamping function according to claim 4, wherein each wire clamping device (1) further comprises: a first connecting rod (14) and a second connecting rod (15); wherein,
the first connecting rod (14) sequentially penetrates through a second end of the second wire clamping clamp (13) and a second end of the second connecting plate (1132) and extends out of the second wire clamping clamp (13) by a preset length;
the first end of the second connecting rod (15) is hinged to the first wire clamping pliers (12), and the second end of the second connecting rod (15) is hooked to the extending end of the first connecting rod (14).
7. A steel cord tension measuring device with self-locking wire jamming functionality according to any one of claims 1 to 6, characterized in that the tension measuring device (3) further comprises: a connecting device (31) and a tension sensor (32); wherein,
the connecting device (31), the tension sensor (32) and the wire tightening device (2) are sequentially connected between the pull rings (112) of the two wire clamping devices (1).
8. The steel wire rope tension measuring device with the self-locking wire clamping function according to claim 7, further comprising: a control device; wherein,
the control device is electrically connected with the tension sensor (32) and is used for receiving and displaying data output by the tension sensor (32).
9. A wire rope tension measuring method using the wire rope tension measuring apparatus 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;
two sides of one tension measuring point are respectively provided with a wire clamping device;
connect tension measuring device and take-up unit in proper order in two between the card line device, start the take-up unit, the take-up unit is through driving two the card line device removes to reduce two distance between the card line device makes two the card line device with survey wire rope forms the auto-lock, two with the tensioning the card line device outside is surveyed wire rope, when two after distance between the card line device reaches preset distance, close the take-up unit, through tension measuring device obtains 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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| CN107271094B (en) * | 2017-07-05 | 2019-04-16 | 魏满妹 | A kind of elevator cable tension measuring instrument based on fishing type wireless control |
| CN108072475A (en) * | 2017-12-30 | 2018-05-25 | 广州广兴牧业设备集团有限公司 | Egg collection band dynamometry compressing apparatus |
| CN109676560B (en) * | 2018-12-29 | 2020-11-06 | 陕西宝成航空仪表有限责任公司 | Wire-threading buckle and use method thereof |
| CN109738287A (en) * | 2019-01-12 | 2019-05-10 | 尚廷东 | A kind of Suo Shengyong tension detecting apparatus |
| CN114016179A (en) * | 2021-10-29 | 2022-02-08 | 常州仁泽机械制造有限公司 | Accurate control method for constant tension of yarns of warping machine |
| CN117326463B (en) * | 2023-12-01 | 2024-03-12 | 姜文涛 | Novel vertical pulling type lifting weight tensile stress weighing device |
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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 |
| CN2382154Y (en) * | 1999-05-09 | 2000-06-07 | 玉环双友机械工具有限公司 | Wire extender |
| CN2571545Y (en) * | 2002-09-19 | 2003-09-10 | 常熟市电力机具厂 | Wire stripper |
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| 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 |
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