CN203643260U - Dyneema rope tension detection device - Google Patents
Dyneema rope tension detection device Download PDFInfo
- Publication number
- CN203643260U CN203643260U CN201320790579.7U CN201320790579U CN203643260U CN 203643260 U CN203643260 U CN 203643260U CN 201320790579 U CN201320790579 U CN 201320790579U CN 203643260 U CN203643260 U CN 203643260U
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- 238000001514 detection method Methods 0.000 title abstract description 14
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 title abstract description 8
- 238000013016 damping Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract 4
- 238000003825 pressing Methods 0.000 abstract 3
- 238000005259 measurement Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 206010061245 Internal injury Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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Abstract
The utility model discloses a dyneema rope tension detection device which comprises a rope releasing unit with adjustable rope releasing speed, a rope winding unit driven by a power device, and a measurement unit used for measuring tension of a dyneema rope, wherein the rope releasing unit comprises a rope releasing drum and two rope releasing wheels arranged in parallel with the rope releasing drum; the two rope releasing wheels are arranged on a rope releasing bracket; a damping device is arranged on a rotating shaft of the rope releasing wheels; the rope winding unit comprises two traction wheels driven by a motor; a rope winding drum is arranged on one sides of the two traction wheels; the measurement unit comprises a pressing wheel for applying pressure in vertical direction to the dyneema rope between the two traction wheels of the rope winding unit; the bottom of the pressing wheel is connected with a pressure sensor; an output end of the pressure sensor is connected with a display. The dyneema rope tension detection device is reasonable in layout and convenient to use, and the load on the dyneema rope can be controlled by regulating the rotating speed of the traction wheels and the resistance at the rotating shaft of the rope releasing wheels, so that the tensile bearing capacity of the whole dyneema rope is detected.
Description
Technical field
The utility model relates to a kind of pick-up unit, is specifically related to a kind of for measuring the pick-up unit of Di Nima rope resistance to tension.
Background technology
Enlightening Nima rope is to adopt Di Nima (Dyneema) high-strength polyethylene fiber material, uses line body strengthening process to make a kind of rope of super round and smooth sensitivity.Because Di Nima rope has the excellent physical property such as high-tensile, high-wearing feature, low-density, good toughness, have the corrosion resistance preferably such as water-fast, resistance to chemical attack, Di Nima rope is widely used in salvaging, rescue, lifting, traction etc. and has the engineering construction field of higher load simultaneously.
Enlightening Nima rope plays a part the important load of bearing in construction, and the quality of Di Nima rope is directly connected to the safety of construction quality and work progress, and therefore Di Nima rope must carry out quality testing before using.In prior art, the detection of Di Nima rope is mainly contained to two kinds of methods: 1) outward appearance detection method, by staff, the surface of Di Nima rope is observed, check whether its surface has obvious wearing and tearing, fracture of wire or disconnected thigh; 2) sampling Detection method, intercepts one section as sample on the Di Nima rope detecting at needs, carries out Fracture Force experiment on puller system, is used as evaluating the foundation of whole enlightening Nima rope quality with this.
In above two kinds of detection methods, the detection speed of outward appearance detection method is very fast, but the outer surface quality of detection Di Nima that can only be rough rope cannot be found internal injury, therefore poor stability, cannot accurately judge that an enlightening Nima rope can bear specific load actually; Although sampling Detection method can record the Di Nima load limit that can bear of restricting, but due to the restriction of under tension machine, can only be using a bit of enlightening Nima rope as detected object, cannot measure the load-bearing capacity of whole enlightening Nima rope, therefore its testing result remains insecure, while design and construction with this testing result, there is certain potential safety hazard.
Utility model content
The utility model technical issues that need to address are to provide a kind of Di Nima rope tension pick-up unit that can measure rapidly and accurately Di Nima rope tension load-bearing capacity.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows:
Enlightening Nima rope tension pick-up unit, comprise put rope speed adjustable put rope unit, the rope closing unit being driven by propulsion system, for measuring the measuring unit of Di Nima rope tension of rope closing unit;
Described put rope unit comprise be wound with Di Nima rope put rope reel and with put two that rope reel is arranged side by side and put rope sheave, be wrapped in two and put rope sheave and be connected to rope closing unit from putting Di Nima rope that rope reel emits; Two put rope sheave is arranged on side by side and is put on rope support by rotating shaft, puts the damping unit that is connected with damper regulator is installed in the rotating shaft of rope sheave;
Described rope closing unit comprises motor, and motor connects by gearing the traction wheel that two constant speed in the same way that are arranged side by side are rotated; One side setting of two traction wheels and traction wheel rope closing reel side by side; Walk around after two traction wheels by putting the Di Nima rope of drawing rope unit, be wrapped on rope closing reel;
Described measuring unit comprises the pinch roller that the Di Nima rope between two traction wheels of rope closing unit is applied to vertical direction pressure, the bottom Bonding pressure sensor of pinch roller, and the output terminal of pressure transducer connects display.
Further improvement of the utility model is: described motor is variable-frequency motor, between motor and traction wheel, be provided with the wheel box for regulating traction wheel rotating speed, the input shaft of wheel box is connected with the output shaft of motor, and the output shaft of wheel box drives two traction wheel rotations by gear drive.
Further improvement of the utility model is: detent is also installed on the output shaft of described motor.
Further improvement of the utility model is: described rope closing reel is arranged on rope closing support, and the below of rope closing reel is provided with lifting body, and a side of lifting body is provided with is convenient to the slideway that rope closing reel rolls.
Further improvement of the utility model is: described damper regulator is controlled damping unit by hydraulic system; Put the heating radiator of the hydraulic oil heat radiation that hydraulic reservoir is also installed on rope support and is convenient to hydraulic system.
Further improvement of the utility model is: described pinch roller is arranged on the below of the Di Nima rope between two traction wheels.
Further improvement of the utility model is: described traction wheel and put the grooving being evenly equipped with on rope sheave for being wound around Di Nima rope.
Further improvement of the utility model is: between He Fangsheng unit, described rope closing unit, be also provided with the pilot unit for changing the transmission direction of Di Nima rope.
Further improvement of the utility model is: described pilot unit comprises at least two angle sheaves, the transmission direction of restricting near the Di Nima of rope closing unit is corresponding with the grooving of traction wheel, and the transmission direction of restricting near the Di Nima of putting rope unit is corresponding with the grooving of putting rope sheave.
Owing to having adopted technique scheme, the technical progress that the utility model is obtained is as follows:
The utility model is rationally distributed, easy to use, being wrapped in the Di Nima rope of putting on rope reel walks around and puts rope sheave, after traction wheel, be wound on rope closing reel, traction wheel drives rotation by motor, be used for pulling Di Nima rope, put in the rotating shaft of rope sheave damping unit is installed, for limiting the rotating speed of putting rope sheave, thereby Di Nima rope is applied to reverse pulling force, like this, pulling force by adjusting traction wheel to Di Nima rope and damping unit are to putting the resistance of rope sheave, can realize the control of magnitude of load on Di Nima rope, thereby realize the detection of the tension load-bearing capacity to Di Nima rope.
Measuring unit in the utility model comprises the pressure transducer that Di Nima is restricted the pinch roller of exerting pressure and is connected with pinch roller bottom, pinch roller and pressure transducer are arranged between two traction wheels of rope closing unit, can reduce the length of Di Nima rope test section, thereby reduce the measuring error that Di Nima rope self elasticity is brought.The output terminal of the pressure transducer of measuring unit connects display, can show in real time the pulling force size on current enlightening Nima rope, is convenient to staff's observed and recorded testing result.
In the utility model, motor is variable-frequency motor, and the output shaft of motor drives traction wheel rotation by wheel box, can be to realizing the continuous adjusting of traction wheel rotating speed, realize the continuous adjusting of Di Nima rope upper pulling force size and detection speed.
In the utility model, rope closing reel is arranged on rope closing support, the below of rope closing reel is also provided with for by the lifting body of rope closing reel jack-up, the top of lifting body is connected with slideway, in the time changing rope closing reel, by lifting body, rope closing reel is ejected to rope closing support, and rope closing support is fallen on slideway be rolled down, significantly reduce labour intensity, improved work efficiency.
In the utility model, damper regulator is controlled damping unit by hydraulic system, puts hydraulic reservoir and heating radiator are also installed on rope support, so that the continuous circulation of hydraulic oil uses, has extended the time that the utility model can continuous working.
Traction wheel and put and be evenly equipped with grooving on rope sheave in the utility model, Di Nima rope is wrapped in grooving, can increase Di Nima rope and traction wheel and put the friction force between rope sheave, avoid skidding, raising measuring accuracy.
In the utility model, between He Fangsheng unit, rope closing unit, be also provided with pilot unit, can change flexibly the transmission direction of Di Nima rope, so that need to arrange neatly He Fangsheng unit, rope closing unit according to work-yard.
Accompanying drawing explanation
Fig. 1: one-piece construction schematic diagram of the present utility model;
Fig. 2: the structural representation of measuring unit in the utility model;
Fig. 3: put rope sheave in the utility model and put the structural representation of rope support;
Fig. 4: the structural representation of rope closing support in the utility model;
The left view of Fig. 5: Fig. 4.
Wherein: 1. rope closing unit, 11. motors, 12. detents, 13. wheel boxes, 14. traction wheels, 15. rope closing reels, 16. hydraulic mechanisms, 161. lifting bodies, 162. slideways, 17. rope closing supports, 2. pilot unit, 3. puts rope unit, 31. put rope sheave, and 32. put rope reel, and 33. put rope support, 34. damper regulators, 35. hydraulic reservoirs, 36. heating radiators, 4. measuring unit, 41. pinch rollers, 42. pressure transducers, 43. displays.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done further to describe in detail:
A kind of Di Nima rope tension pick-up unit, as shown in Figure 1, comprises rope closing unit 1, pilot unit 2, puts rope unit 3 and measuring unit 4.
Put rope unit 3 and comprise that putting rope sheave 31 and one for two puts 32, two of rope reels and put rope sheave 31 and put rope reel 32 parallel and be arranged side by side.Two put rope sheave 31 is arranged on and is put on rope support 33 by rotating shaft, and the structure of putting rope sheave 31 and putting rope support 33 as shown in Figure 3.Each putting is evenly equipped with seven groovings on rope sheave 31, Di Nima rope is wrapped in the grooving of putting rope sheave 31, and puts in rope sheave 31 is wrapped in two.The Di Nima rope one end of putting on rope sheave 31 is connected with rope closing unit 1 by pilot unit 2, and the other end is wrapped in to be put on rope reel 32.The rotating shaft position of putting rope sheave 31 is provided with damping unit, puts damper regulator 34 is installed on rope support 33.Damper regulator 34 regulates the damping unit of putting rope sheave 31 rotating shafts place by hydraulic system, puts the resistance that rope sheave 31 rotates and limits the rotating speed of putting rope sheave 31, thereby regulate the pulling force size on Di Nima rope by adjusting.Put on rope support 33 hydraulic reservoir 35 and heating radiator 36 are also installed, the hydraulic oil in hydraulic reservoir 35 recycles in hydraulic system, and dispels the heat by heating radiator 36, thereby improves the lasting ability to work of hydraulic system.
Measuring unit 4 comprises pinch roller 41, pressure transducer 42 and display 43.Pinch roller 41 is arranged between two traction wheels 14 of rope closing unit 1, and is pressed on the below of the Di Nima rope between two traction wheels 14.As shown in Figure 2, pinch roller 41, by the slight jack-up of restricting of the Di Nima between traction wheel, have interactional pressure like this, and the size of this pressure is proportional to the pulling force size on Di Nima rope between pinch roller 41 and Di Nima rope.Pressure transducer 42 is arranged on the below of pinch roller 41, for detection of the size of pinch roller 41 pressures.The output terminal of pressure transducer 42 connects display 43 by data line, and display 43 receives the electric signal of pressure transducer 42, by calculating the pulling force size on Di Nima rope, and the value of thrust on Di Nima rope is shown on the screen of display.
Claims (10)
1. enlightening Nima rope tension pick-up unit, is characterized in that: comprise put rope speed adjustable put rope unit (3), the rope closing unit (1) being driven by propulsion system, for measuring the measuring unit (4) of Di Nima rope tension of rope closing unit (1);
Described put rope unit (3) comprise be wound with Di Nima rope put rope reel (32) and with put two that rope reel is arranged side by side and put rope sheave (31), be wrapped in two and put rope sheave (31) and be connected to rope closing unit (1) from putting Di Nima rope that rope reel (32) emits; Two put rope sheave (31) is arranged on side by side by rotating shaft that to put rope support (33) upper, puts in the rotating shaft of rope sheave (31) damping unit that is connected with damper regulator (34) is installed;
Described rope closing unit (1) comprises motor (11), and motor (11) connects by gearing the traction wheel (14) that two constant speed in the same way that are arranged side by side are rotated; One side setting of two traction wheels (14) and traction wheel (14) rope closing reel (15) side by side; Walk around after two traction wheels (14) by putting the Di Nima rope of drawing rope unit (3), be wrapped on rope closing reel (15);
Described measuring unit (4) comprises the pinch roller (41) that the Di Nima rope between two traction wheels (14) of rope closing unit is applied to vertical direction pressure, the bottom Bonding pressure sensor (42) of pinch roller (41), the output terminal of pressure transducer (42) connects display (43).
2. enlightening Nima rope tension pick-up unit according to claim 1, it is characterized in that: described motor (11) is variable-frequency motor, between motor (11) and traction wheel (14), be provided with the wheel box (13) for regulating traction wheel rotating speed, the input shaft of wheel box (13) is connected with the output shaft of motor (11), and the output shaft of wheel box (13) drives two traction wheels (14) rotation by gear drive.
3. enlightening Nima rope tension pick-up unit according to claim 2, is characterized in that: detent (12) is also installed on the output shaft of described motor (11).
4. enlightening Nima rope tension pick-up unit according to claim 1, it is characterized in that: described rope closing reel (15) is arranged on rope closing support (17), the below of rope closing reel (15) is provided with lifting body (161), and a side of lifting body (161) is provided with is convenient to the slideway (162) that rope closing reel (15) rolls.
5. enlightening Nima rope tension pick-up unit according to claim 1, is characterized in that: described damper regulator (34) is controlled damping unit by hydraulic system; Put the heating radiator (36) of the hydraulic oil heat radiation that hydraulic reservoir (35) is also installed on rope support (33) and is convenient to hydraulic system.
6. enlightening Nima rope tension pick-up unit according to claim 1, is characterized in that: described pinch roller (41) is arranged on the below of the Di Nima rope between two traction wheels (14).
7. according to the Di Nima rope tension pick-up unit described in claim 1 ~ 6 any one, it is characterized in that: described traction wheel (14) and put the grooving being evenly equipped with on rope sheave (31) for being wound around Di Nima rope.
8. according to the Di Nima rope tension pick-up unit described in claim 1 ~ 6 any one, it is characterized in that: described rope closing unit (1) and put and be also provided with the pilot unit (2) for changing the transmission direction of Di Nima rope between rope unit (3).
9. enlightening Nima rope tension pick-up unit according to claim 7, is characterized in that: described rope closing unit (1) and put and be also provided with the pilot unit (2) for changing the transmission direction of Di Nima rope between rope unit (3).
10. enlightening Nima rope tension pick-up unit according to claim 9, it is characterized in that: described pilot unit (2) comprises at least two angle sheaves, the transmission direction of restricting near the Di Nima of rope closing unit (1) is corresponding with the grooving of traction wheel (14), and the transmission direction of restricting near the Di Nima of putting rope unit (3) is corresponding with the grooving of putting rope sheave (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790579.7U CN203643260U (en) | 2013-12-05 | 2013-12-05 | Dyneema rope tension detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790579.7U CN203643260U (en) | 2013-12-05 | 2013-12-05 | Dyneema rope tension detection device |
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| Publication Number | Publication Date |
|---|---|
| CN203643260U true CN203643260U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320790579.7U Expired - Fee Related CN203643260U (en) | 2013-12-05 | 2013-12-05 | Dyneema rope tension detection device |
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| Country | Link |
|---|---|
| CN (1) | CN203643260U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495040A (en) * | 2016-10-26 | 2017-03-15 | 国家电网公司 | Steel wire rope torsion detects release device |
| CN106932198A (en) * | 2017-04-15 | 2017-07-07 | 三门县职业中等专业学校 | A kind of Timing Belt fatigue automatic test machine |
| CN113639913A (en) * | 2021-08-27 | 2021-11-12 | 中国科学技术大学 | Real-time tension testing device of rope-driven parallel robot |
-
2013
- 2013-12-05 CN CN201320790579.7U patent/CN203643260U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495040A (en) * | 2016-10-26 | 2017-03-15 | 国家电网公司 | Steel wire rope torsion detects release device |
| CN106932198A (en) * | 2017-04-15 | 2017-07-07 | 三门县职业中等专业学校 | A kind of Timing Belt fatigue automatic test machine |
| CN113639913A (en) * | 2021-08-27 | 2021-11-12 | 中国科学技术大学 | Real-time tension testing device of rope-driven parallel robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20181205 |