CN215296088U - Stay wire displacement meter device - Google Patents
Stay wire displacement meter device Download PDFInfo
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- CN215296088U CN215296088U CN202121839118.5U CN202121839118U CN215296088U CN 215296088 U CN215296088 U CN 215296088U CN 202121839118 U CN202121839118 U CN 202121839118U CN 215296088 U CN215296088 U CN 215296088U
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Abstract
The application relates to a stay wire displacement meter device, which comprises a fixing mechanism, a distance measuring mechanism, a metering mechanism and a wire storing mechanism, wherein the distance measuring mechanism, the metering mechanism and the wire storing mechanism are arranged on the fixing mechanism; the wire storage mechanism comprises a rotating shaft and a wire storage roller which are rotatably arranged on the fixing mechanism, the rotating shaft penetrates through the wire storage roller, and a steel rope is wound on the side wall of the wire storage roller; the distance measuring mechanism comprises an input shaft, an output shaft, a micro-motion awakening module and a potentiometer, wherein the micro-motion awakening module and the potentiometer are respectively connected with the input shaft and the output shaft; the steel rope is pulled out of the wire storage roller after the wire storage roller winds the counting wheel; the metering mechanism includes: the micro-motion measurement module is used for sensing the rotation of the micro-motion awakening module and outputting an awakening instruction; and the counting module is connected with the micro-motion measuring module and is used for detecting the voltage of the potentiometer in real time when receiving the awakening instruction. The application has the effect of improving the measurement precision of the stay wire displacement meter.
Description
Technical Field
The application relates to a displacement measurement technology, in particular to a stay wire displacement meter device.
Background
In severe environments where natural disasters are prone to occur, such as landslide in heavy rainfall weather, rescue safety after earthquake and the like, if the environment can be monitored and the size of deformation of important structures in the environment can be measured, damage or danger caused by the disasters can be effectively avoided.
The pull wire displacement meter is a length measuring device, and generally comprises a steel rope and a measuring system for measuring the tensile length of the steel rope. However, in the use process of the stay wire displacement meter, the measuring system directly detects the tensile variable of the steel rope to realize length detection, so that the stay wire displacement meter has low sensitivity to micro displacement measurement, and in a project needing multiple measurements, the measurement deviation of multiple small variables can cause a large error to the overall measurement result of the project.
SUMMERY OF THE UTILITY MODEL
In order to improve the measurement accuracy of displacement meter of acting as go-between, this application provides a displacement meter device of acting as go-between.
The application provides a displacement meter device of acting as go-between adopts following technical scheme:
a wire pulling displacement meter device comprises a fixing mechanism, a distance measuring mechanism, a metering mechanism and a wire storing mechanism, wherein the distance measuring mechanism, the metering mechanism and the wire storing mechanism are arranged on the fixing mechanism; the wire storage mechanism comprises a rotating shaft and a wire storage roller which are rotatably arranged on the fixing mechanism, the rotating shaft penetrates through the wire storage roller, and a steel rope is wound on the side wall of the wire storage roller; the distance measuring mechanism comprises an input shaft, an output shaft, a micro-motion awakening module and a potentiometer, wherein the micro-motion awakening module and the potentiometer are respectively connected with the input shaft and the output shaft; the steel rope is wound around the counting wheel by the wire storage roller and then pulled out of the wire storage roller; the metering mechanism includes: the micro-motion measurement module is used for sensing the rotation of the micro-motion awakening module and outputting an awakening instruction; and the counting module is connected with the micro-motion measuring module and is used for detecting the voltage of the potentiometer in real time when receiving the awakening instruction.
By adopting the technical scheme, the steel rope is pulled out from the wire storage mechanism through the counting wheel, the technical wheel rotates to drive the input shaft and the output shaft to rotate synchronously, the input shaft and the output shaft are respectively provided with a jogging awakening module and a potentiometer, the jogging awakening module is driven to rotate when the input shaft rotates, the pin voltage of the potentiometer changes when the output shaft rotates, a micro-motion measuring module used for sensing the rotation of the micro-motion awakening module is arranged on the metering mechanism, when the micro-motion measuring module detects the rotation of the micro-motion awakening module, the counting module receives the awakening instruction and detects the voltage of the potentiometer in real time, the counting module receives the voltage of the potentiometer and represents that the novel stay wire displacement meter performs measurement by adopting the technical means, the measurement mechanism is added with a wake-up function, the pulled steel rope is measured in time, and the measurement precision of the stay wire displacement meter is improved.
Optionally, the inching wake-up module includes at least one magnetic element that rotates eccentrically relative to the input shaft, the inching measurement module includes a plurality of magnetic induction elements and a wake-up control unit connected with the plurality of magnetic induction elements, the plurality of magnetic induction elements are circularly arranged, and the plane where the magnetic induction elements are circularly arranged is parallel to the plane where the magnetic element rotates.
Through adopting above-mentioned technical scheme, the magnetic element is eccentric rotation for the input shaft, enlarges the rotation range of magnetic element, avoids taking place the magnetic induction element and can not respond to the circumstances of the rotation of magnetic element trace, has improved the ability that magnetic induction element responded to the magnetic element.
Optionally, the magnetic induction element is one of a reed switch and a hall element.
By adopting the technical scheme, the reed switch and the Hall element can detect the magnetic quantity change of the magnetic field and can be used for sensing the rotation of the magnetic element.
Optionally, the counting module includes a counting control unit and a transmission unit, the counting control unit is electrically connected to the wake-up control unit, and the transmission unit is electrically connected to the counting control unit.
Through adopting above-mentioned technical scheme, the count the control unit and receive the instruction of awakening up, and inside electrically conducts and begins to start to gather the voltage of potentiometre to export the transmission unit after converting received voltage into the resistance value, carry remote terminal by the transmission unit, make things convenient for the staff to acquire the resistance value and carry out the distance conversion, provide data for the deformation of staff analysis environment structure.
Optionally, the inching wake-up module further comprises a speed reducer, and the input shaft is connected with the magnetic element through the speed reducer.
Through adopting above-mentioned technical scheme, the setting of count wheel is on the input shaft, and the magnetic element passes through the reduction gear and is connected with the input shaft, drives the reduction gear that is located the input shaft when the rotation of count wheel and rotates for the reduction gear provides a drive ratio the same with the count wheel for the magnetic element.
Optionally, the wire storage mechanism further comprises a wire take-up roller rotationally connected with the fixing mechanism, a spring piece is wound on the side wall of the wire take-up roller, and the wire take-up roller is connected with the rotating shaft through the spring piece and rotates coaxially with the rotating shaft.
Through adopting above-mentioned technical scheme, spring leaf one end is fixed on the lateral wall of receiving the line roller, and the other end can be dismantled with the axis of rotation and be connected, and when the steel cable pulling, the axis of rotation forward rotates, and the spring leaf is on the axis of rotation is convoluteed in the pulling, and the spring leaf takes place deformation, because the axis of rotation is worn to establish on depositing the line roller, when releasing the steel cable, the spring leaf resumes deformation, deposits the line roller and rotates under the drive of axis of rotation, draws back the steel cable and twines again on the lateral wall of depositing the line roller.
Optionally, the wire storage mechanism further comprises a damper, and the rotating shaft and the wire storage roller are rotatably connected with the fixing mechanism through the damper.
Through adopting above-mentioned technical scheme, when the axis of rotation with deposit the line roller and resume the in-process relative rotation of deformation at the spring leaf, the attenuator can cushion the axis of rotation and deposit the relative slew velocity between the line roller, improves the steadiness of depositing the line roller.
Optionally, the cable storage mechanism further comprises a cable release ball, the cable release ball comprises a spherical shell and a cable passing post, the axis of the cable passing post is hollow, one end of the cable passing post is provided with a sliding groove, the end of the cable passing post is embedded into the spherical shell, a spring post matched with the sliding groove is arranged on the spherical shell, and the spring post is connected with the sliding groove in a clamped mode.
Through adopting above-mentioned technical scheme, the steel cable one end that will have the ball of releasing is pulled out, because there is the existence pulling convenience of ball of releasing, simultaneously the post of acting as go-between and spherical shell joint, when the steel cable pulling is to the maximum distance, the spring post breaks away from the spout, post of acting as go-between and spherical shell disconnect-type, the steel cord is taking the post of acting as go-between to retract to the outer wall of depositing the line roller, prevented excessive pulling steel cable for the steel cable breaks away from the displacement meter that acts as go-between, is unfavorable for the later stage to continue to use the displacement meter that acts as go-between.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in ranging mechanism, pass through gear revolve with the input shaft and output shaft and be connected, make input shaft and output shaft synchronous rotation, also make the magnetic element that is located the input shaft and the potentiometre that is located the output shaft change in step, and the magnetic flux that responds the magnetic element through magnetic induction element changes, the output instruction of awaking up, the control unit receipt instruction of awaking up awakens up, awaken up the count module, make the count module begin to receive the pin voltage on the potentiometre, so in time respond to the magnetic flux through fine motion measurement module and change, and awaken up the count module, reduce the loss that produces under the count module normally open state, the accuracy of measuring result has still been improved simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a stay wire displacement meter device.
FIG. 2 is a schematic view of a fixture mechanism of the wire displacement meter device.
Fig. 3 is a schematic view of a distance measuring mechanism of the stay wire displacement meter device.
Fig. 4 is a flow chart of a metering mechanism of the wire displacement meter device.
FIG. 5 is a schematic view of a wire storing mechanism of the wire displacement meter device.
FIG. 6 is a cross-sectional view of a pull wire displacement gauge device off-cord ball structure.
Description of reference numerals: 1. a fixing mechanism; 11. mounting grooves; 12. a fixing and connecting groove; 13. a support; 131. a first plate; 132. a first support column; 14. a bearing table; 141. a second plate; 142. a second support column; 15. a bearing table; 2. a distance measuring mechanism; 21. an input shaft; 211. a main gear; 22. a counting wheel; 23. a micro-motion wake-up module; 231. a speed reducer; 232. a magnetic element; 24. an output shaft; 241. a slave gear; 25. a potentiometer; 3. a metering mechanism; 31. a main board; 32. a copper pillar; 33. a micro-motion measurement module; 331. a magnetic induction element; 332. a wake-up control unit; 34. a counting module; 341. a count control unit; 342. a transmission unit; 4. a wire storage mechanism; 41. a rotating shaft; 42. a wire storage roller; 43. a damper; 44. a wire take-up roller; 45. a spring plate; 46. rope removal; 461. a spherical shell; 4611. a spring post; 462. a wire passing post; 4621. a chute.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
The embodiment of the application discloses a stay wire displacement meter device.
Referring to fig. 1, a wire pulling displacement meter device includes a fixing mechanism 1, a distance measuring mechanism 2 installed on the fixing mechanism 1, a metering mechanism 3 and a wire storing mechanism 4, wherein the wire storing mechanism 4 is used for storing and recovering a steel rope, the steel rope passes through the distance measuring mechanism 2 and is pulled out from the distance measuring mechanism 2, the distance measuring mechanism 2 changes along with the pulling distance of the steel rope, and the metering mechanism 3 outputs a resistance value corresponding to the pulling distance of the steel rope in response to the change of the distance measuring mechanism 2.
Referring to fig. 2, the fixing mechanism 1 includes a mounting groove 11, a fixing groove 12 fixed on the mounting groove 11, a bracket 13 mounted on the mounting groove 11 and disposed side by side with the fixing groove 12, and a bearing table 14 mounted on the bracket 13, and a notch of the fixing groove 12 faces in the same direction as the groove of the mounting groove 11.
The bracket 13 includes a first supporting column 132 and a first plate 131 fixedly connected to one end of the first supporting column 132, one end of the first supporting column 132 is fixedly connected to the surface of the installation slot 11, and four first supporting columns 132 are distributed on the first plate 131 in a rectangular shape.
The bearing table 14 includes four second supporting columns 142 distributed in a rectangular shape and a second flat plate 141 fixedly connected to one end of the second supporting column 142, the other end of the second supporting column 142 is fixedly connected to the surface of the first flat plate 131 departing from the mounting groove 11, the surface of the second flat plate 141 departing from the mounting groove 11 is flush with the surface of the fixed connection groove 12, and the area of the surface of the second flat plate 141 is smaller than that of the first flat plate 131.
Two circular first through holes are formed in the second flat plate 141, two bearing tables 15 are arranged on the surface, deviating from the support 13, of the second flat plate 141, a circular second through hole is formed in each bearing table 15, the diameters of the first through holes and the second through holes are equal, and the axes of the first through holes and the second through holes coincide.
Referring to fig. 3, the distance measuring mechanism 2 includes an input shaft 21 rotatably mounted on the bearing platform 15, and a counting wheel 22 mounted on one end of the input shaft 21, the other end of the input shaft 21 is connected to a jogging awakening module 23, the jogging awakening module 23 is located between the mounting groove 11 and the first flat plate 131, and the counting wheel 22 is suspended above the bearing platform 15.
The distance measuring mechanism 2 further comprises a main gear 211 arranged on the input shaft 21 and an output shaft 24 arranged on the other bearing platform 15, one end of the output shaft 24 penetrates through the first through hole and the second through hole and is positioned between the first flat plate 131 and the second flat plate 141, the axis of the output shaft 24 is parallel to the axis of the input shaft 21, a driven gear 241 meshed with the main gear 211 is arranged at the other end of the output shaft 24, a potentiometer 25 is arranged at one end, far away from the driven gear 241, of the output shaft 24, and the potentiometer 25 is fixed on the plate surface, close to the mounting groove 11, of the first flat plate 131.
Specifically, when the steel rope is pulled out from the wire storing mechanism 4 through the counting wheel 22, the counting wheel 22 drives the input shaft 21 to rotate, the input shaft 21 drives the output shaft 24 to rotate through the meshed main gear 211 and the slave gear 241, the output shaft 24 rotates to cause the voltage of the pin on the potentiometer 25 connected with the output shaft 24 to change, and the change of the voltage at each moment represents the distance length of the steel rope pulled at the moment.
Referring to fig. 4, the metering mechanism 3 includes a main board 31 installed between the installation groove 11 and the first flat plate 131, and a micro-motion measurement module 33 and a counting module 34 integrated on the main board 31, wherein four copper pillars 32 are arranged on one side of the main board 31 close to the installation groove 11 and are distributed in a rectangular shape, one end of each copper pillar 32 is fixedly connected with the main board 31, and the other end of each copper pillar is fixedly connected with the installation groove 11 through a screw.
The micro-motion measurement module 33 includes a magnetic sensor 331 and a wake-up control unit 332 connected to the magnetic sensor 331, the magnetic sensor 331 is located below the magnetic element 232 and responds to a change in magnetic quantity of the magnetic element 232, when the change in magnetic quantity on the magnetic element 232 is detected, a wake-up command is output, and the wake-up control unit 332 receives the wake-up command to drive the counting module 34 to start the operation of detecting the voltage of the potentiometer 25.
In one example, the magnetic induction element 331 can be a reed switch, and in another example, the magnetic induction element 331 can be a hall element, which is not limited herein.
The counting module 34 includes a counting control unit 341 and a transmission unit 342, the counting control unit 341 is disposed near the potentiometer 25 and responds to the voltage change of the pin on the potentiometer 25, the transmission unit 342 is connected to the counting control unit 341, when the counting control unit 341 is awakened by the awakening control unit 332, the counting control unit 341 starts to receive the voltage of the potentiometer 25 and converts the voltage into a resistance value to be output to the transmission unit 342 in real time, the transmission unit 342 receives the resistance value output by the counting control unit 341 and remotely transmits the resistance value to the background management system, and the worker can calculate the pulling distance of the steel rope according to the received resistance value.
Referring to fig. 5, the wire storing mechanism 4 includes a rotating shaft 41, a wire storing roller 42 disposed on the rotating shaft 41, and a damper 43 rotatably connected to the fixing groove 12, the rotating shaft 41 and the wire storing roller 42 are rotatably connected to the fixing groove 12 through the damper 43, a steel cable is wound around a sidewall of the wire storing roller 42, when the steel cable is pulled, the rotating shaft 41 and the wire storing roller 42 rotate in opposite directions, potential energy between the rotating shaft 41 and the wire storing roller 42 is increased, when the steel cable is retracted, the rotating shaft 41 and the wire storing roller 42 rotate in the same direction under the potential energy, if the rotating shaft 41 and the wire storing roller 42 rotate at an excessively high speed relative to each other, the wire storing roller 42 penetrating through the rotating shaft 41 may be thrown out, so that the damper 43 is used to buffer the rotating speed in the same direction between the rotating shaft 41 and the wire storing roller 42, thereby improving stability of the wire storing roller 42.
The wire storing mechanism 4 further comprises a wire collecting roller 44 rotatably connected to the upper surface of the fixing groove, a spring piece 45 is wound on the side wall of the wire collecting roller 44, one end of the spring piece 45 is fixed on the wire collecting roller 44, the other end of the spring piece 45 can be connected with the rotating shaft 41, and the spring piece 45 is detachably connected with the rotating shaft 41.
Specifically, before pulling the steel cable, the spring plate 45 is connected to the rotating shaft 41, when the steel cable is pulled, the steel cable drives the rotating shaft 41 to rotate in the forward direction, the spring plate 45 winds around the side wall of the rotating shaft 41 along with the rotation of the rotating shaft 41, because one end of the spring plate 45 is fixed on the side wall of the take-up roller 44, and the other end of the spring plate 45 is wound around the side wall of the rotating shaft 41 by the rotating shaft 41, the spring plate 45 deforms, when the pulling of the steel cable is stopped, the spring plate 45 restores to deform, the rotating shaft 41 is pulled to rotate in the reverse direction, and the steel cable is wound around the side wall of the wire storage roller 42 again.
Referring to fig. 6, the wire storing mechanism 4 further includes a releasing ball 46 disposed at the pulling end of the steel cable, the releasing ball 46 includes a cylindrical spherical shell 461, a spring post 4611 disposed on the spherical shell 461, and a wire post 462 having one end embedded in the spherical shell 461, the wire post 462 is hollow in axis for the steel cable to pass through the wire post 462, one end of the wire post 462 penetrating into the spherical shell 461 is provided with a circular chute 4621, the outer wall of the spherical shell 461 is provided with four circular holes adapted to the spring post 4611, the spring post 4611 penetrates through the circular holes to contact with the chute 4621 in the wire post 462, when measurement is needed, one end of the steel cable with the releasing ball 46 is pulled, when the steel cable is pulled to the maximum distance of the steel cable, if the force pulling the steel cable is still acting on the steel cable in the same direction, the spring post 4611 will be separated from the chute 4621, so that the wire post is separated from the releasing ball 46, the steel cable with the wire post 462 being retracted by the spring 45 to be returned to the spring plate, the steel rope is prevented from being excessively pulled to be separated from the stay wire displacement meter device.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A pull wire displacement meter device, comprising: the device comprises a fixing mechanism (1), and a distance measuring mechanism (2), a metering mechanism (3) and a wire storing mechanism (4) which are arranged on the fixing mechanism (1);
the wire storage mechanism (4) comprises a rotating shaft (41) and a wire storage roller (42) which are rotatably arranged on the fixing mechanism (1), the rotating shaft (41) penetrates through the wire storage roller (42), and a steel rope is wound on the side wall of the wire storage roller (42);
the distance measuring mechanism (2) comprises an input shaft (21), an output shaft (24), a micro-motion awakening module (23) and a potentiometer (25) which are respectively connected with the input shaft (21) and the output shaft (24), the input shaft (21) and the output shaft (24) are in gear transmission, and the input shaft (21) is fixedly connected with a counting wheel (22); the steel rope is wound around the counting wheel (22) by a wire storage roller (42) and then pulled out of the wire storage roller (42);
the metering mechanism (3) comprises:
the micro-motion measurement module (33) is used for sensing the rotation of the micro-motion awakening module (23) and outputting an awakening instruction;
and the counting module (34) is connected with the micro-motion measuring module (33) and detects the voltage of the potentiometer (25) in real time when receiving the awakening instruction.
2. The wire displacement meter device according to claim 1, wherein the micro-motion wake-up module (23) comprises at least one magnetic element (232) eccentrically rotating with respect to the input shaft (21), the micro-motion measurement module (33) comprises a plurality of magnetic induction elements (331) and a wake-up control unit (332) connected to the plurality of magnetic induction elements (331), the plurality of magnetic induction elements (331) are circularly arranged, and a plane where the circularly arranged magnetic induction elements (331) are located is parallel to a plane where the magnetic element (232) rotates.
3. A wire displacement gauge apparatus according to claim 2, wherein the magnetic sensing element (331) is one of a reed switch or a hall element.
4. The wire displacement meter device according to claim 1, wherein the counting module (34) comprises a counting control unit (341) and a transmission unit (342), the counting control unit (341) is electrically connected with the wake-up control unit (332), and the transmission unit (342) is electrically connected with the counting control unit (341).
5. A wire displacement meter arrangement according to claim 1, wherein the wake-up module (23) further comprises a reducer (231), the input shaft (21) being connected to the magnetic element (232) via the reducer (231).
6. The wire pulling displacement meter device as claimed in claim 1, wherein the wire storing mechanism (4) further comprises a wire winding roller (44) rotatably connected with the fixing mechanism (1), a spring piece (45) is wound on the side wall of the wire winding roller (44), and the wire winding roller (44) is connected with the rotating shaft (41) through the spring piece (45) and rotates coaxially with the rotating shaft (41).
7. A wire displacement meter device according to claim 1, wherein the wire storing mechanism (4) further comprises a damper (43), and the rotating shaft (41) and the wire storing roller (42) are rotatably connected with the fixing mechanism (1) through the damper (43).
8. The wire pulling displacement meter device as claimed in claim 1, wherein the wire storing mechanism (4) further comprises a rope releasing ball (46), the rope releasing ball (46) comprises a ball shell (461) and a wire passing column (462), the shaft center of the wire passing column (462) is hollow, one end of the wire passing column (462) is provided with a sliding groove (4621) and is embedded into the ball shell (461), one end of the wire passing column (462) is provided with a sliding groove (4621), a spring column (4611) matched with the sliding groove (4621) is arranged on the ball shell (461), and the spring column (4611) is clamped with the sliding groove (4621).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839118.5U CN215296088U (en) | 2021-08-07 | 2021-08-07 | Stay wire displacement meter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121839118.5U CN215296088U (en) | 2021-08-07 | 2021-08-07 | Stay wire displacement meter device |
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| CN215296088U true CN215296088U (en) | 2021-12-24 |
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| CN202121839118.5U Active CN215296088U (en) | 2021-08-07 | 2021-08-07 | Stay wire displacement meter device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234789A (en) * | 2022-02-24 | 2022-03-25 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | Tree diameter measuring method |
| CN114322732A (en) * | 2021-12-31 | 2022-04-12 | 北京蓝尊科技有限公司 | Integrated telemetering micro-power consumption surface displacement monitor based on stay wire displacement meter |
-
2021
- 2021-08-07 CN CN202121839118.5U patent/CN215296088U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322732A (en) * | 2021-12-31 | 2022-04-12 | 北京蓝尊科技有限公司 | Integrated telemetering micro-power consumption surface displacement monitor based on stay wire displacement meter |
| CN114234789A (en) * | 2022-02-24 | 2022-03-25 | 四川省林业和草原调查规划院(四川省林业和草原生态环境监测中心) | Tree diameter measuring method |
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