CN113739735A - Electric winch device with automatic limiting and rope length detecting functions - Google Patents
Electric winch device with automatic limiting and rope length detecting functions Download PDFInfo
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- CN113739735A CN113739735A CN202111012169.5A CN202111012169A CN113739735A CN 113739735 A CN113739735 A CN 113739735A CN 202111012169 A CN202111012169 A CN 202111012169A CN 113739735 A CN113739735 A CN 113739735A
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- 238000004804 winding Methods 0.000 claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
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- 208000035473 Communicable disease Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The invention is suitable for the technical field of unmanned aerial vehicle transportation, and provides an electric winch device with automatic limiting and rope length detecting functions, which comprises: the winding drum is used for winding and unwinding a rope; the motor is used for driving the winding drum to rotate, the motor is fixedly arranged on the motor base, and the winding drum is rotatably arranged in an installation groove formed in the motor base; the rope length monitoring assembly comprises a screw, a sliding block and a distance measuring sensor, a fixed seat is fixedly mounted on the mounting seat, limit switches are respectively mounted at two limit end points of a moving path of the sliding block on the fixed seat, the other end of the sliding block extends between the two limit switches, a winding drum, a motor and the rope length monitoring assembly are arranged, the winding drum rotates to drive the screw to rotate, the sliding block can convert the rotary motion of the winding drum into linear motion through the screw, the distance measuring sensor can measure the position distance of the sliding block, the corresponding relation between the rope length released by the winding drum and the position of the sliding block is calibrated, and the rope length detecting function is realized; through setting up limit switch, realize the work limit function of capstan winch.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicle transportation, and particularly relates to an electric winch device with automatic limiting and rope length detecting functions.
Background
The pilotless airplane is an unmanned airplane which is operated by utilizing a radio remote control device and a self-contained program control device, or is completely or intermittently and autonomously operated by an on-board computer;
at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, and the application of the unmanned aerial vehicle is greatly expanded;
the transportation of current unmanned aerial vehicle is mostly fixed rope carry transport mode and aircraft belly fixed point carry transport mode, and these two kinds of modes respectively have the drawback, and the problem of the former carry mode mainly is that rope length is fixed, if the rope is too long then the aircraft is carried the goods and is rocked big influence aircraft and think safe flight in the flight, if the rope is too short then not in order to do benefit to the safe landing of aircraft. The latter transportation mode has limitation on the volume of the carried goods, and meanwhile, the goods can only be released after being thrown in the air and the airplane lands on the ground, so that the use is not flexible enough, and the requirement on the ground landing point of the goods is high.
Disclosure of Invention
The invention provides an electric winch device with automatic limiting and rope length detecting functions, and aims to solve the problem that an existing unmanned aerial vehicle is inconvenient to transport.
The invention is realized in this way, an electric winch device with automatic limit and rope length detection functions, comprising:
the winding drum is used for winding and unwinding a rope;
the motor is used for driving the winding drum to rotate, the motor is fixedly arranged on the motor base, and the winding drum is rotatably arranged in an installation groove formed in the motor base;
rope length monitoring subassembly, it includes screw rod, slider and range finding sensor, the one end fixed connection and the coaxial setting of motor are kept away from to screw rod and reel, threaded connection has the slider on the screw rod, screw rod axial displacement can be followed to the slider, range finding sensor locates the slip path one end of slider for measure and the slider between the distance.
Preferably, the motor cabinet is provided with a mounting seat on the side wall close to the winding drum and the screw rod, and the distance measuring sensor is fixedly arranged on the mounting seat.
Preferably, the screw rod outside is equipped with the protection casing, protection casing one end and mount pad fixed connection.
Preferably, the distance measuring sensor is located outside the protective cover, a first guide sliding groove is formed in the protective cover along the sliding path of the sliding block, and one end of the sliding block penetrates through the first guide sliding groove and is located outside the protective cover to be matched with the distance measuring sensor.
Preferably, the end of the sliding block matched with the distance measuring sensor is circular.
Preferably, a fixed seat is fixedly installed on the installation seat, two limit switches are respectively installed at two limit end points of the moving path of the sliding block on the fixed seat, and the other end of the sliding block extends to a position between the two limit switches.
Preferably, the fixing seat is located outside the protective cover, and the protective cover is provided with a second guide sliding groove for the other end of the sliding block to move.
Preferably, a third guide sliding groove for the other end of the sliding block to move is formed in the fixed seat.
Preferably, one end of the first guide chute and one end of the second guide chute close to the mounting seat are open.
Preferably, the motor base is U-shaped.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
1. the rope length monitoring assembly comprises a screw rod, a sliding block and a distance measuring sensor, the motor drives the winding drum to rotate to take up and pay off a rope, the screw rod rotates when the winding drum rotates, the sliding block can do corresponding front-back motion, the sliding block can convert the rotary motion of the winding drum into linear motion through the screw rod, and the distance measuring sensor can measure the position distance of the sliding block when the position of the sliding block is changed, so that the corresponding relation between the rope length released by the winding drum and the position of the sliding block can be easily calibrated, and the rope length detecting function can be simply and reliably realized;
2. the limit switches are respectively arranged at two limit short points of the moving path of the sliding block, and when the sliding block moves to any one end and touches the limit switches, the motor is powered off and stops working, so that the working limit function of the winch is realized.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of an embodiment of the present invention;
fig. 4 is a schematic view of the internal structure of the embodiment of the present invention in another state.
Notations for reference numerals: 1-motor, 2-motor base, 3-rope, 4-winding drum, 5-fixing base, 6-limit switch, 7-protective cover, 8-sliding block, 9-distance measuring sensor, 10-mounting base and 11-screw rod.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
The embodiment of the invention provides an electric winch device with automatic limiting and rope length detecting functions, as shown in fig. 1-4, comprising:
the winding drum 4 is used for winding and unwinding the rope 3, and the size of the winding drum 4 can be designed according to actual needs and is not described in detail;
the electric motor 1 is used for driving the winding drum 4 to rotate, the winding drum 4 is driven by the electric motor 1 to rotate to wind and unwind the rope 3, specifically, the electric motor 1 and the reduction gearbox can be integrated into a whole, the structure is compact, the weight is light, the output torque is large, the electric motor 1 is fixedly arranged on the motor base 2 and preferably installed by bolts, the winding drum 4 is rotatably arranged in an installation groove formed in the motor base 2, and in the embodiment, the motor base 2 is preferably U-shaped;
the rope length monitoring assembly comprises a screw rod 11, a sliding block 8 and a distance measuring sensor 9, wherein the screw rod 11 and one end, far away from a motor 1, of a winding drum 4 are fixedly connected and coaxially arranged, the sliding block 8 is connected to the screw rod 11 in a threaded manner, the sliding block 8 can axially move along the screw rod 11, the distance measuring sensor 9 is arranged at one end of a sliding path of the sliding block 8 and used for measuring the distance between the distance measuring sensor and the sliding block 8, further, a mounting seat 10 is preferably fixedly mounted on the side wall, close to the winding drum 4 and the screw rod 11, of the motor seat 2, preferably, a bolt is fixedly mounted, the distance measuring sensor 9 is fixedly mounted on the mounting seat 10, preferably, a screw is fixedly mounted, the end, matched with the distance measuring sensor 9, of the sliding block 8 is circular, the area is conveniently increased, the distance measuring accuracy is improved, when the rope 3 is wound and unwound by driving the winding drum 4 to rotate by the motor 1, and the screw rod 11 also rotates when the winding drum 4 rotates, the sliding block 8 can also do corresponding back and forth movement, the sliding block 8 can convert the rotary movement of the winding drum 4 into linear movement through the screw rod 11, and when the position of the sliding block 8 is changed, the distance measuring sensor 9 can measure the position distance of the sliding block 8, so that the corresponding relation between the length of the rope released by the winding drum 4 and the position of the sliding block 8 can be easily calibrated, and the rope length detection function can be simply and reliably realized.
Example 2
The embodiment of the invention provides an electric winch device with automatic limiting and rope length detecting functions, as shown in fig. 1-4, comprising:
the winding drum 4 is used for winding and unwinding the rope 3, and the size of the winding drum 4 can be designed according to actual needs and is not described in detail;
the electric motor 1 is used for driving the winding drum 4 to rotate, the winding drum 4 is driven by the electric motor 1 to rotate to wind and unwind the rope 3, specifically, the electric motor 1 and the reduction gearbox can be integrated into a whole, the structure is compact, the weight is light, the output torque is large, the electric motor 1 is fixedly arranged on the motor base 2 and preferably installed by bolts, the winding drum 4 is rotatably arranged in an installation groove formed in the motor base 2, and in the embodiment, the motor base 2 is preferably U-shaped;
the rope length monitoring assembly comprises a screw rod 11, a sliding block 8 and a distance measuring sensor 9, wherein the screw rod 11 and one end, far away from a motor 1, of a winding drum 4 are fixedly connected and coaxially arranged, the sliding block 8 is connected to the screw rod 11 in a threaded manner, the sliding block 8 can axially move along the screw rod 11, the distance measuring sensor 9 is arranged at one end of a sliding path of the sliding block 8 and used for measuring the distance between the distance measuring sensor and the sliding block 8, further, a mounting seat 10 is preferably fixedly mounted on the side wall, close to the winding drum 4 and the screw rod 11, of the motor seat 2, preferably, a bolt is fixedly mounted, the distance measuring sensor 9 is fixedly mounted on the mounting seat 10, preferably, a screw is fixedly mounted, the end, matched with the distance measuring sensor 9, of the sliding block 8 is circular, the area is conveniently increased, the distance measuring accuracy is improved, when the rope 3 is wound and unwound by driving the winding drum 4 to rotate by the motor 1, and the screw rod 11 also rotates when the winding drum 4 rotates, the sliding block 8 can also do corresponding back and forth movement, the sliding block 8 can convert the rotary movement of the winding drum 4 into linear movement through the screw rod 11, and when the position of the sliding block 8 is changed, the distance measuring sensor 9 can measure the position distance of the sliding block 8, so that the corresponding relation between the length of the rope released by the winding drum 4 and the position of the sliding block 8 can be easily calibrated, and the rope length detection function can be simply and reliably realized;
the protective cover 7 is arranged on the outer side of the screw rod 11, one end of the protective cover 7 is fixedly connected with the mounting seat 10, preferably, the protective cover 7 is in screwed connection, so that the disassembly and the assembly are convenient, the protective cover 11 and the sliding block 8 are protected, the distance measuring sensor 9 is positioned on the outer side of the protective cover 7, a first guide sliding groove is formed in the protective cover 7 along the sliding path of the sliding block 8, one end of the sliding block 8 penetrates through the first guide sliding groove and is positioned outside the protective cover 7 to be matched with the distance measuring sensor 9, the sliding block 8 can be limited to rotate when the first guide sliding groove guides, and the first guide sliding groove and the second guide sliding groove are opened at one ends close to the mounting seat 10, so that the protective cover 7 is convenient to separate from the sliding block 8 when being disassembled;
example 3
The embodiment of the invention provides an electric winch device with automatic limiting and rope length detecting functions, as shown in fig. 1-4, comprising:
the winding drum 4 is used for winding and unwinding the rope 3, and the size of the winding drum 4 can be designed according to actual needs and is not described in detail;
the electric motor 1 is used for driving the winding drum 4 to rotate, the winding drum 4 is driven by the electric motor 1 to rotate to wind and unwind the rope 3, specifically, the electric motor 1 and the reduction gearbox can be integrated into a whole, the structure is compact, the weight is light, the output torque is large, the electric motor 1 is fixedly arranged on the motor base 2 and preferably installed by bolts, the winding drum 4 is rotatably arranged in an installation groove formed in the motor base 2, and in the embodiment, the motor base 2 is preferably U-shaped;
the rope length monitoring assembly comprises a screw rod 11, a sliding block 8 and a distance measuring sensor 9, wherein the screw rod 11 and one end, far away from a motor 1, of a winding drum 4 are fixedly connected and coaxially arranged, the sliding block 8 is connected to the screw rod 11 in a threaded manner, the sliding block 8 can axially move along the screw rod 11, the distance measuring sensor 9 is arranged at one end of a sliding path of the sliding block 8 and used for measuring the distance between the distance measuring sensor and the sliding block 8, further, a mounting seat 10 is preferably fixedly mounted on the side wall, close to the winding drum 4 and the screw rod 11, of the motor seat 2, preferably, a bolt is fixedly mounted, the distance measuring sensor 9 is fixedly mounted on the mounting seat 10, preferably, a screw is fixedly mounted, the end, matched with the distance measuring sensor 9, of the sliding block 8 is circular, the area is conveniently increased, the distance measuring accuracy is improved, when the rope 3 is wound and unwound by driving the winding drum 4 to rotate by the motor 1, and the screw rod 11 also rotates when the winding drum 4 rotates, the sliding block 8 can also do corresponding back and forth movement, the sliding block 8 can convert the rotary movement of the winding drum 4 into linear movement through the screw rod 11, and when the position of the sliding block 8 is changed, the distance measuring sensor 9 can measure the position distance of the sliding block 8, so that the corresponding relation between the length of the rope released by the winding drum 4 and the position of the sliding block 8 can be easily calibrated, and the rope length detection function can be simply and reliably realized;
the protective cover 7 is arranged on the outer side of the screw rod 11, one end of the protective cover 7 is fixedly connected with the mounting seat 10, preferably, the protective cover 7 is in screwed connection, so that the disassembly and the assembly are convenient, the protective cover 11 and the sliding block 8 are protected, the distance measuring sensor 9 is positioned on the outer side of the protective cover 7, a first guide sliding groove is formed in the protective cover 7 along the sliding path of the sliding block 8, one end of the sliding block 8 penetrates through the first guide sliding groove and is positioned outside the protective cover 7 to be matched with the distance measuring sensor 9, the sliding block 8 can be limited to rotate when the first guide sliding groove guides, and the first guide sliding groove and the second guide sliding groove are opened at one ends close to the mounting seat 10, so that the protective cover 7 is convenient to separate from the sliding block 8 when being disassembled;
furthermore, a fixed seat 5 is fixedly installed on the installation seat 10, preferably by screws, a limit switch 6 is installed on each of two limit end points of the moving path of the sliding block 8 on the fixed seat 5, the limit switch 6 is preferably installed on the fixed seat 5 by screws, the other end of the sliding block 8 extends to between the two limit switches 6, preferably, the fixed seat 5 is located outside the protection cover 7, the protection cover 7 is provided with a second guide chute for the other end of the sliding block 8 to move, the fixed seat 5 is provided with a third guide chute for the other end of the slide block 8 to move, the slide block 8 can be limited to rotate while guiding, the limit switches 6 are respectively arranged at two limit short points of the moving path of the slide block 8, when the sliding block 8 moves to any one end and touches the limit switch 6, the motor 1 is powered off and stops working, and therefore the working limit function of the winch is achieved.
In summary, the working principle of the invention is as follows: when the rope length detection device is used, the motor 1 drives the winding drum 4 to rotate to receive and release the rope 3, the screw rod 11 also rotates when the winding drum 4 rotates, the sliding block 8 also moves back and forth correspondingly, the sliding block 8 can convert the rotary motion of the winding drum 4 into linear motion through the screw rod 11, and when the position of the sliding block 8 is changed, the distance measurement sensor 9 can measure the position distance of the sliding block 8, so that the corresponding relation between the rope length released by the winding drum 4 and the position of the sliding block 8 can be easily calibrated, and the rope length detection function can be simply and reliably realized; through respectively installing a limit switch 6 at two extreme short points in slider 8 moving path, when slider 8 moved to wherein arbitrary one end and touched limit switch 6, motor 1 outage stop work to realize the work limit function of capstan winch.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an electric winch device with automatic spacing, long detection function of rope which characterized in that includes:
the winding drum is used for winding and unwinding a rope;
the motor is used for driving the winding drum to rotate, the motor is fixedly arranged on the motor base, and the winding drum is rotatably arranged in an installation groove formed in the motor base;
rope length monitoring subassembly, it includes screw rod, slider and range finding sensor, the one end fixed connection and the coaxial setting of motor are kept away from to screw rod and reel, threaded connection has the slider on the screw rod, screw rod axial displacement can be followed to the slider, range finding sensor locates the slip path one end of slider for measure and the slider between the distance.
2. The winch apparatus of claim 1, wherein the motor mount is fixedly mounted to a side wall of the drum and the screw, and the distance measuring sensor is fixedly mounted to the mount.
3. The winch apparatus of claim 1, wherein a protective shield is disposed outside the threaded rod, one end of the protective shield being fixedly connected to the mounting block.
4. The electric winch arrangement of claim 3, wherein the distance measuring sensor is located outside the protective cover, the protective cover having a first guide slot along the sliding path of the slide block, one end of the slide block passing through the first guide slot and located outside the protective cover to engage the distance measuring sensor.
5. The electric winch arrangement of claim 4, wherein the end of the slide that engages the distance measuring sensor is rounded.
6. The electric winch apparatus according to any of claims 1 to 5, wherein the mounting base is fixedly mounted with a fixed base, the fixed base is mounted with a limit switch at each of two extreme ends of the moving path of the sliding block, and the other end of the sliding block extends between the two limit switches.
7. The winch apparatus of claim 6, wherein the fixed seat is located outside the protective cover, and the protective cover is provided with a second guide chute for moving the other end of the sliding block.
8. The winch apparatus as claimed in claim 7, wherein the fixed seat has a third guiding slot for moving the other end of the sliding block.
9. The electric winch arrangement of claim 7, wherein the first and second guide runners open at an end proximate the mounting block.
10. The winch device with automatic limit and rope length detection as claimed in claim 1, wherein said motor base is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111012169.5A CN113739735A (en) | 2021-08-31 | 2021-08-31 | Electric winch device with automatic limiting and rope length detecting functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111012169.5A CN113739735A (en) | 2021-08-31 | 2021-08-31 | Electric winch device with automatic limiting and rope length detecting functions |
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| CN113739735A true CN113739735A (en) | 2021-12-03 |
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| CN202111012169.5A Pending CN113739735A (en) | 2021-08-31 | 2021-08-31 | Electric winch device with automatic limiting and rope length detecting functions |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120023A (en) * | 1988-02-23 | 1992-06-09 | Kabushiki Kaisha Toshiba | Hoist winding system |
| CN101434247A (en) * | 2008-10-09 | 2009-05-20 | 靳慧民 | Method for shortening normally closed type tram guard protection dead area |
| CN102506646A (en) * | 2011-10-23 | 2012-06-20 | 江苏阳明船舶装备制造技术有限公司 | Field rapid measurement method of closed pipe |
| CN104296669A (en) * | 2014-10-23 | 2015-01-21 | 兴乐电缆有限公司 | Anti-slip anti-shaking constant pressure type cable meter counting device |
| CN104697453A (en) * | 2015-03-11 | 2015-06-10 | 西北工业大学 | High-precision automatic rope length measuring device |
| CN106768273A (en) * | 2014-09-03 | 2017-05-31 | 合肥工业大学 | The oscillation crosswise measuring method of measured length movement rope |
| CN109262620A (en) * | 2018-08-15 | 2019-01-25 | 北京思迈特科技有限公司 | A kind of cable duct crusing robot laser ranging system and its control system |
| CN111457818A (en) * | 2020-04-29 | 2020-07-28 | 南京中船绿洲机器有限公司 | Device for monitoring rope length of winch |
-
2021
- 2021-08-31 CN CN202111012169.5A patent/CN113739735A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5120023A (en) * | 1988-02-23 | 1992-06-09 | Kabushiki Kaisha Toshiba | Hoist winding system |
| CN101434247A (en) * | 2008-10-09 | 2009-05-20 | 靳慧民 | Method for shortening normally closed type tram guard protection dead area |
| CN102506646A (en) * | 2011-10-23 | 2012-06-20 | 江苏阳明船舶装备制造技术有限公司 | Field rapid measurement method of closed pipe |
| CN106768273A (en) * | 2014-09-03 | 2017-05-31 | 合肥工业大学 | The oscillation crosswise measuring method of measured length movement rope |
| CN104296669A (en) * | 2014-10-23 | 2015-01-21 | 兴乐电缆有限公司 | Anti-slip anti-shaking constant pressure type cable meter counting device |
| CN104697453A (en) * | 2015-03-11 | 2015-06-10 | 西北工业大学 | High-precision automatic rope length measuring device |
| CN109262620A (en) * | 2018-08-15 | 2019-01-25 | 北京思迈特科技有限公司 | A kind of cable duct crusing robot laser ranging system and its control system |
| CN111457818A (en) * | 2020-04-29 | 2020-07-28 | 南京中船绿洲机器有限公司 | Device for monitoring rope length of winch |
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