CN113916080A - Rolling ruler for measuring length of irregular wire - Google Patents
Rolling ruler for measuring length of irregular wire Download PDFInfo
- Publication number
- CN113916080A CN113916080A CN202111527464.4A CN202111527464A CN113916080A CN 113916080 A CN113916080 A CN 113916080A CN 202111527464 A CN202111527464 A CN 202111527464A CN 113916080 A CN113916080 A CN 113916080A
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- side plate
- wheel
- roller
- measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/12—Measuring wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application discloses measure irregular wire length's chi that rolls includes: the main frame, the roller and the measuring mechanism; the gyro wheel includes: a main wheel and an extension wheel; the extension wheel is slidable along the axial direction of the main wheel; the body frame includes: the first side plate, the second side plate and the two long shaft rods are arranged on the first side plate; two ends of the roller are respectively and rotatably connected with the first side plate and the second side plate; the measuring mechanism includes: the device comprises a measuring mechanism body, a display, an angle sensor, a controller and a processor; the angle sensor is used for sensing the rotating angle of the roller; the controller is used for sending the rotation angle of the roller to the processor for calculation. The idler wheel consisting of the main wheel and the extension wheel is arranged, so that the width of the idler wheel can be adjusted according to the wire, and the idler wheel can adapt to wires with different wire diameters; through setting up measuring mechanism, can roll the distance according to the angle automatic calculation that the gyro wheel rolled, calculate accurate and efficient, solve the inconvenient longer distance of measuring of current roll chi and can't be suitable for different width measurement object's problem.
Description
Technical Field
The application relates to the technical field of rolling rulers, in particular to a rolling ruler for measuring the length of an irregular wire.
Background
The rolling ruler is a tool for measuring the length of a measuring object by rolling on the measuring object; the working principle of the existing rolling ruler is that measuring lines are arranged on the outer wall of a disc, a pointer is arranged outside the disc, and when the disc rolls for a distance, the pointer displays the rolled distance; the rolling ruler is low in manufacturing cost and convenient to use, but is inconvenient for long-distance measurement, the rolling number of turns needs to be remembered when a long distance is measured, and the use is time-consuming and labor-consuming; there is also a rolling ruler for a precision instrument, which is expensive, and the diameter of a measurement wire cannot be changed, and it is difficult to measure when the width of a measurement object is wide.
Disclosure of Invention
In view of this, the present application provides a rolling ruler for measuring the length of an irregular conducting wire, which is used to solve the problem that the existing rolling ruler is inconvenient to measure a long distance and cannot be applied to measuring objects with different widths.
In order to achieve the above technical object, the present application provides a rolling ruler for measuring the length of an irregular conductor, comprising: the main frame, the roller and the measuring mechanism;
the gyro wheel includes: a main wheel and an extension wheel;
the extension wheel is sleeved in the main wheel and can slide along the axial direction of the main wheel;
the main frame comprises: the first side plate, the second side plate and the two long shaft rods are arranged on the first side plate;
two ends of the roller are respectively and rotatably connected with the first side plate and the second side plate;
the bottom ends of the two long shaft rods are respectively rotatably connected with the first side plate and the second side plate;
the measuring mechanism includes: the device comprises a measuring mechanism body, a display, an angle sensor, a controller and a processor;
the measuring mechanism body is arranged on the first side plate or the second side plate;
the angle sensor, the controller and the processor are all arranged in the measuring mechanism body;
the angle sensor is electrically connected with the controller, and the sensing end of the angle sensor is connected with the roller and used for sensing the rotating angle of the roller;
the controller is electrically connected with the processor and is used for sending the rotating angle of the roller to the processor for calculation;
the display is electrically connected with the processor and the controller and is used for displaying the rolling distance of the roller wheel calculated by the processor.
Further, the calculation formula of the processor for calculating the rolling distance is: s = α/360 × 2 π r;
wherein s is a rolling distance; alpha is the rotating angle of the roller; r is the radius of the roller.
Further, an inner cavity is formed in the main wheel;
the extension wheel is movably sleeved on the inner cavity, and the middle part of the extension wheel is provided with a through hole along the axial direction;
the roller also comprises an adjusting shaft and a driven shaft which are arranged in parallel with the axial direction of the roller;
one end of the adjusting shaft extends out of the outer side of the roller, and the other end of the adjusting shaft penetrates through the through hole to enter the inner cavity;
the driven shaft is rotatably arranged in the inner cavity, threads are arranged on the driven shaft, and the driven shaft is in transmission connection with the extension wheel;
a driving bevel gear is arranged on the adjusting shaft;
a driven bevel gear is arranged on the driven shaft;
the driven bevel gear is in meshed connection with the driving bevel gear.
Further, the driven shaft includes a plurality of shafts;
the driven shafts are uniformly arranged around the circumference of the adjusting shaft.
Furthermore, a transmission hole for the driven shaft to penetrate is formed in the extension wheel;
a movable sleeve is fixedly arranged in the extension wheel and the transmission hole;
an internal thread is arranged in the movable sleeve;
the movable sleeve is in threaded connection with the driven shaft.
Furthermore, one end of the adjusting shaft is provided with an anti-skid gear.
Further, rotatable friction wheels are arranged at the bottoms of the first side plate and the second side plate.
Furthermore, the device also comprises a support rod, a sliding shaft and a spring;
the support rod is provided with a guide chute;
the sliding shaft is slidably arranged in the guide sliding chute;
the friction wheel is rotatably arranged on the sliding shaft;
and two ends of the spring are respectively connected with the groove wall of the guide chute and the sliding shaft.
Furthermore, the device also comprises two vertical plates;
the first side plate and the second side plate are arranged between the two vertical plates and are respectively and fixedly connected with the two vertical plates;
rotatable semicircular shafts are arranged on the two vertical plates;
the bottom ends of the two long shaft rods are respectively and fixedly connected with the two semicircular shafts.
Further, the telescopic rod is further included;
the two ends of the telescopic rod are respectively connected with the top ends of the two long shaft rods.
According to the above technical solution, the present application provides a rolling ruler for measuring the length of an irregular conducting wire, including: the main frame, the roller and the measuring mechanism; the gyro wheel includes: a main wheel and an extension wheel; the extension wheel is sleeved in the main wheel and can slide along the axial direction of the main wheel; the main frame comprises: the first side plate, the second side plate and the two long shaft rods are arranged on the first side plate; two ends of the roller are respectively and rotatably connected with the first side plate and the second side plate; the bottom ends of the two long shaft rods are respectively rotatably connected with the first side plate and the second side plate; the measuring mechanism includes: the device comprises a measuring mechanism body, a display, an angle sensor, a controller and a processor; the measuring mechanism body is arranged on the first side plate or the second side plate; the angle sensor, the controller and the processor are all arranged in the measuring mechanism body; the angle sensor is electrically connected with the controller, and the sensing end of the angle sensor is connected with the roller and used for sensing the rotating angle of the roller; the controller is electrically connected with the processor and is used for sending the rotating angle of the roller to the processor for calculation; the display is electrically connected with the processor and the controller and is used for displaying the rolling distance of the roller wheel calculated by the processor.
The idler wheel consisting of the main wheel and the extension wheel is arranged, so that the length of the idler wheel can be adjusted according to the width of the wire, and the idler wheel can adapt to wires with different wire diameters; through setting up measuring mechanism, can roll the distance according to the angle automatic calculation that the gyro wheel rolled, calculate accurate and efficient, effectively solve the inconvenient longer distance of measurement of current chi of rolling and can't be suitable for different width measurement object's problem.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a first schematic view of an overall structure of a rolling ruler for measuring lengths of irregular wires according to an embodiment of the present application;
fig. 2 is a second schematic view of the overall structure of a rolling ruler for measuring the length of an irregular conductor according to an embodiment of the present application;
fig. 3 is a block diagram of a measuring mechanism of a rolling ruler for measuring lengths of irregular wires according to an embodiment of the present application;
fig. 4 is a structural view of the inside of a main wheel of a rolling ruler for measuring the length of an irregular conductor according to an embodiment of the present application;
FIG. 5 is a sectional view of an extension wheel of a rolling ruler for measuring the length of an irregular conductor according to an embodiment of the present application;
fig. 6 is a schematic diagram of a friction roller position of a rolling ruler for measuring irregular wire length according to a third embodiment of the present application;
fig. 7 is a schematic view of a guide chute of a support rod of a rolling ruler for measuring the length of an irregular conductor according to a third embodiment of the present application;
fig. 8 is a schematic spring diagram of a support rod of a rolling ruler for measuring lengths of irregular wires according to a third embodiment of the present application.
In the figure: 1. a first side plate; 2. a main wheel; 3. a second side plate; 4. an extension wheel; 5. an anti-slip gear; 6. a connecting shaft; 7. a vertical plate; 8. a measuring mechanism; 9. a semi-circular shaft; 10. a long shaft rod; 11. a telescopic rod; 12. a driven shaft; 13. a driven bevel gear; 14. a movable sleeve; 15. an adjustment shaft; 16. a drive bevel gear; 17. moving the sleeve; 18. a support bar; 19. a sliding shaft; 20. a friction wheel; 21. a guide chute; 22. a slider; 23. a spring; 81. a measuring mechanism body; 82. an angle sensor; 83. a controller; 84. a processor; 85. a display.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection claimed herein.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses a rolling ruler for measuring the length of an irregular wire.
Referring to fig. 1 to 3, a rolling ruler for measuring the length of an irregular conducting wire according to an embodiment of the present application includes: the main frame, the roller and the measuring mechanism 8; the gyro wheel includes: a main wheel 2 and an extension wheel 4; extension wheel 4 cup joints in with main round 2, and extension wheel 4 is slidable along the axial of main round 2 to can be according to the width of the wire adjusting roller of different line footpaths. The body frame includes: a first side plate 1, a second side plate 3 and two long shaft rods 10; two ends of the roller are respectively connected with the first side plate 1 and the second side plate 3 in a rotatable manner; the bottom ends of the two long shaft rods 10 are respectively connected with the first side plate 1 and the second side plate 3; the measuring mechanism 8 includes: a measuring mechanism body 81, a display 85, an angle sensor 82, a controller 83 and a processor 84; the measuring mechanism body 81 is arranged on the first side plate 1 or the second side plate 3; the angle sensor 82, the controller 83 and the processor 84 are all arranged in the measuring mechanism body 81; the angle sensor 82 is electrically connected with the controller, and the sensing end of the angle sensor 82 is connected with the roller and used for sensing the rotating angle of the roller; the controller 83 is electrically connected with the processor 84 and is used for sending the rotation angle of the roller to the processor 84 for calculation; the display 85 is electrically connected to both the processor 84 and the controller 83 for displaying the rolling distance of the wheel calculated by the processor 84. Wherein, the outside of the roller can also be provided with anti-skid lines.
Specifically, the controller 83 may be a single chip controller, and is configured to obtain the rolling angle of the roller sensed by the angle sensor 82, and send the rolling angle to the processor 84. The formula used by processor 84 to calculate the scroll distance of the wheel may be s = α/360 × 2 π r; wherein s is a rolling distance; alpha is the rotating angle of the roller; r is the radius of the roller. The processor 84 calculates the scroll distance, and sends the calculated scroll distance to the controller 83, and the calculated scroll distance is directly displayed on the display 85. The controller 83 may also be in communication connection with other terminals, such as a mobile phone of a worker, so that the calculation result may be transmitted to the mobile phone of the worker for direct display. The staff can roll on the wire through long axostylus axostyle 10, operation gyro wheel and carry out the length measurement of wire, can reduce the operator amplitude of bowing, reduces work load.
It should be noted that, in practical application, when the width of the roller is adjusted and the width of the roller just clamps the wire, the friction force between the first side plate 1 and the second side plate 3 and the wire is large, which affects the measurement result; therefore, the distance between the first side plate 1 and the second side plate 3 can be set to be slightly larger than the wire diameter.
The above is the first embodiment provided in the present application, and the following is the second embodiment provided in the present application, please refer to fig. 1 to 5 specifically.
On the basis of the rolling ruler for measuring the length of the irregular lead provided by the first embodiment, an inner cavity is also arranged in the main wheel 2; the extension wheel 4 is movably sleeved on the inner cavity, and the middle part is provided with a through hole along the axial direction; the roller also comprises an adjusting shaft 15 and a driven shaft 12 which are arranged in parallel with the axial direction of the roller; one end of the adjusting shaft 15 extends out of the outer side of the roller, and the other end of the adjusting shaft penetrates through the through hole to enter the inner cavity; the driven shaft 12 can be rotatably arranged in the inner cavity through a movable sleeve 14, threads are arranged on the driven shaft 12, and the driven shaft 12 is in transmission connection with the extension wheel 4; a driving bevel gear 16 is arranged on the adjusting shaft 15; a driven bevel gear 13 is arranged on the driven shaft 12; the driven bevel gear 13 is in meshed connection with the driving bevel gear 16.
Through adjusting shaft 15, can drive driven shaft 12 to rotate thereby the slip of adjustment extension wheel 4 through the mode of manual rotation adjusting shaft 15.
Wherein the driven shaft 12 comprises a plurality of shafts; a plurality of driven shafts 12 are arranged uniformly about the circumference of the adjusting shaft 15. It should be noted that one end of the adjusting shaft 15 can penetrate through the first side plate 1 or the second side plate 3, and one end of the adjusting shaft 15 is provided with the anti-slip gear 5, so that the adjusting shaft 15 can be adjusted by a worker to rotate conveniently.
Furthermore, a transmission hole for the driven shaft 12 to penetrate is formed in the extension wheel 4; a movable sleeve 17 is fixedly arranged in the extension wheel 4 and the transmission hole; an internal thread is arranged in the movable sleeve 17; the moving sleeve 17 is in threaded connection with the driven shaft 12.
Particularly, in practical application, when the width of gyro wheel needs to be adjusted, drive bevel gear 16 through anti-skidding gear 5 and rotate to drive two driven bevel gear 13 rotations, driven bevel gear 13 drives driven shaft 12 and rotates, and then drives and remove the cover and remove, remove the cover 17 and drive extension wheel 4 along the axial displacement of main round 2, realize the adaptation to the wire of different line footpaths.
The above is the second embodiment provided by the present application, and the following is the third embodiment provided by the present application, please refer to fig. 1 to 8 specifically.
On the basis of the second embodiment, the bottom parts of the first side plate 1 and the second side plate 3 are provided with rotatable friction wheels 20.
In practical application, in the process that the roller rolls along a wire, the first side plate 1 and the second side plate 3 may contact with the wall surfaces such as the ground, and the friction wheel 20 capable of rotating is arranged on the outer sides of the first side plate 1 and the second side plate 3, so that the first side plate 1 and the second side plate 3 can roll on the ground by using the friction wheel 20, the sliding tendency of the roller is reduced, and the measuring accuracy is improved.
Further, the device also comprises a support rod 18, a sliding shaft 19 and a spring 23; the support bar 18 is provided with a guide chute 21; the sliding shaft 19 is slidably arranged in the guide chute 21; the friction wheel 20 is rotatably arranged on the sliding shaft 19; the two ends of the spring 23 are respectively connected with the upper groove wall of the guide chute 21 and the sliding shaft 19.
Specifically, the top of the sliding shaft 19 may be fixedly connected with a sliding block 22, and connected with a spring 23 through the sliding block 22. Through setting up direction spout 21, sliding shaft 19 and spring 23 for friction pulley 20 can be according to the regulation of the undulation adaptability on ground, improves the practicality.
As a further improvement, the scheme also comprises two vertical plates 7; the first side plate 1 and the second side plate 3 are arranged between the two vertical plates 7 through a connecting shaft 6 and are respectively and fixedly connected with the two vertical plates 7; rotatable semicircular shafts 9 are arranged on the two vertical plates 7; the bottom ends of the two long shaft rods 10 are respectively fixedly connected with the two semicircular shafts 9.
Through rotatable semicircle axle 9 for can adjust the height on long axostylus axostyle 10 top as actual need when the staff operates two long axostylus axostyles 10, the operation of being convenient for.
Further, the telescopic rod type electric heating device also comprises a telescopic rod 11; the two ends of the telescopic rod 11 are respectively connected with the top ends of the two long shaft rods 10.
The telescopic rods 11 are arranged to be connected with the long shaft rods 10, so that the top end distance of the two long shaft rods 10 can be adjusted according to the width of the roller.
The rolling ruler provided by the embodiment can utilize the processor 84 and the angle sensor 82 to calculate the length of the lead in the fastest time through a calculation formula, so that the calculation is more accurate, and the production cost is reduced; the radius of different wires can be adjusted, so that the device is suitable for wires with different radii, and the practicability and the universality of the device are improved; meanwhile, by adding the friction wheel 20, the rolling of the measuring roller is avoided, and the sliding is also avoided, so that the measuring error is reduced, and the measuring precision of the device is improved.
Although the present invention has been described in detail with reference to examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. A rolling ruler for measuring the length of irregular wires, comprising: the main frame, the roller and the measuring mechanism;
the gyro wheel includes: a main wheel and an extension wheel;
the extension wheel is sleeved in the main wheel and can slide along the axial direction of the main wheel;
the main frame comprises: the first side plate, the second side plate and the two long shaft rods are arranged on the first side plate;
two ends of the roller are respectively and rotatably connected with the first side plate and the second side plate;
the bottom ends of the two long shaft rods are respectively connected with the first side plate and the second side plate;
the measuring mechanism includes: the device comprises a measuring mechanism body, a display, an angle sensor, a controller and a processor;
the measuring mechanism body is arranged on the first side plate or the second side plate;
the angle sensor, the controller and the processor are all arranged in the measuring mechanism body;
the angle sensor is electrically connected with the controller, and the sensing end of the angle sensor is connected with the roller and used for sensing the rotating angle of the roller;
the controller is electrically connected with the processor and is used for sending the rotating angle of the roller to the processor for calculation;
the display is electrically connected with the processor and the controller and is used for displaying the rolling distance of the roller wheel calculated by the processor.
2. The rolling ruler for measuring irregular wire lengths as claimed in claim 1, wherein the processor is configured to calculate the rolling distance by the formula: s = α/360 × 2 π r;
wherein s is a rolling distance; alpha is the rotating angle of the roller; r is the radius of the roller.
3. The rolling ruler for measuring the length of irregular conducting wires according to claim 1, characterized in that an inner cavity is arranged inside the main wheel;
the extension wheel is movably sleeved on the inner cavity, and the middle part of the extension wheel is provided with a through hole along the axial direction;
the roller also comprises an adjusting shaft and a driven shaft which are arranged in parallel with the axial direction of the roller;
one end of the adjusting shaft extends out of the outer side of the roller, and the other end of the adjusting shaft penetrates through the through hole to enter the inner cavity;
the driven shaft is rotatably arranged in the inner cavity, threads are arranged on the driven shaft, and the driven shaft is in transmission connection with the extension wheel;
a driving bevel gear is arranged on the adjusting shaft;
a driven bevel gear is arranged on the driven shaft;
the driven bevel gear is in meshed connection with the driving bevel gear.
4. The rolling ruler for measuring irregular wire lengths as claimed in claim 3, wherein the driven shaft comprises a plurality of shafts;
the driven shafts are uniformly arranged around the circumference of the adjusting shaft.
5. The rolling ruler for measuring the length of the irregular conducting wire as claimed in claim 3, wherein the extension wheel is provided with a transmission hole for the driven shaft to penetrate through;
a movable sleeve is fixedly arranged in the extension wheel and the transmission hole;
an internal thread is arranged in the movable sleeve;
the movable sleeve is in threaded connection with the driven shaft.
6. The rolling ruler for measuring the length of irregular conducting wires as claimed in claim 3, wherein one end of the adjusting shaft is provided with an anti-slip gear.
7. The rolling ruler for measuring the length of irregular conducting wires as claimed in claim 1, wherein the bottom of the first side plate and the second side plate is provided with a rotatable friction wheel.
8. The rolling ruler for measuring the length of irregular conducting wires according to claim 7, further comprising a support rod, a sliding shaft and a spring;
the support rod is provided with a guide chute;
the sliding shaft is slidably arranged in the guide sliding chute;
the friction wheel is rotatably arranged on the sliding shaft;
and two ends of the spring are respectively connected with the groove wall of the guide chute and the sliding shaft.
9. The rolling ruler for measuring the length of the irregular conducting wire according to claim 1, further comprising two vertical plates;
the first side plate and the second side plate are arranged between the two vertical plates and are respectively and fixedly connected with the two vertical plates;
rotatable semicircular shafts are arranged on the two vertical plates;
the bottom ends of the two long shaft rods are respectively and fixedly connected with the two semicircular shafts.
10. The rolling ruler for measuring the length of irregular conducting wires according to claim 1, further comprising a telescopic rod;
the two ends of the telescopic rod are respectively connected with the top ends of the two long shaft rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111527464.4A CN113916080B (en) | 2021-12-15 | 2021-12-15 | Rolling ruler for measuring length of irregular wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111527464.4A CN113916080B (en) | 2021-12-15 | 2021-12-15 | Rolling ruler for measuring length of irregular wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113916080A true CN113916080A (en) | 2022-01-11 |
| CN113916080B CN113916080B (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111527464.4A Active CN113916080B (en) | 2021-12-15 | 2021-12-15 | Rolling ruler for measuring length of irregular wire |
Country Status (1)
| Country | Link |
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| CN (1) | CN113916080B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164675A (en) * | 2022-09-07 | 2022-10-11 | 广东电网有限责任公司肇庆供电局 | Cable coil length measuring device |
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| US20180128588A1 (en) * | 2016-02-02 | 2018-05-10 | Northwest Instrument Inc. | Ranging system |
| CN113295121A (en) * | 2021-06-10 | 2021-08-24 | 广东电网有限责任公司 | Hand-push roller distance measuring instrument, hand-push roller distance measuring instrument monitoring device and distance measuring system |
| CN113465567A (en) * | 2021-08-11 | 2021-10-01 | 广东皓耘科技有限公司 | Cable parameter detection device and cable parameter detection method |
| CN215177351U (en) * | 2021-04-23 | 2021-12-14 | 江西省赣湘建筑服务有限公司 | Special portable measuring device of building reconnaissance design |
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2021
- 2021-12-15 CN CN202111527464.4A patent/CN113916080B/en active Active
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| DE1423601A1 (en) * | 1961-10-23 | 1968-10-10 | Southwestern Ind Inc | Device for measuring relative movements |
| US20180128588A1 (en) * | 2016-02-02 | 2018-05-10 | Northwest Instrument Inc. | Ranging system |
| CN215177351U (en) * | 2021-04-23 | 2021-12-14 | 江西省赣湘建筑服务有限公司 | Special portable measuring device of building reconnaissance design |
| CN113295121A (en) * | 2021-06-10 | 2021-08-24 | 广东电网有限责任公司 | Hand-push roller distance measuring instrument, hand-push roller distance measuring instrument monitoring device and distance measuring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164675A (en) * | 2022-09-07 | 2022-10-11 | 广东电网有限责任公司肇庆供电局 | Cable coil length measuring device |
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| Publication number | Publication date |
|---|---|
| CN113916080B (en) | 2022-03-01 |
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