CN112304750B - Rope stretching test device and rope stretching method thereof - Google Patents
Rope stretching test device and rope stretching method thereof Download PDFInfo
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- CN112304750B CN112304750B CN202011045581.2A CN202011045581A CN112304750B CN 112304750 B CN112304750 B CN 112304750B CN 202011045581 A CN202011045581 A CN 202011045581A CN 112304750 B CN112304750 B CN 112304750B
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- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 99
- 238000009864 tensile test Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims 2
- 239000002184 metal Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention discloses a rope stretching test device and a rope stretching method thereof, wherein the rope stretching test device comprises two rope fastening components and stretching components which are oppositely arranged; each rope fastening component comprises a winding body, a first clamping body, a second clamping body and a fastening piece; the winding body comprises a first surface, a second surface and a third surface, wherein the first surface is opposite to the second surface, the third surface is a first annular surface, the annular edge of the first end of the first annular surface is connected with the edge of the first surface, the annular edge of the second end of the first annular surface is connected with the edge of the second surface, and at least part of the first annular surface is a first winding area; the first clamping body is arranged on the first surface of the winding body and comprises a first clamping surface; the second clamping body is arranged on the first surface of the winding body and comprises a second clamping surface; the first clamping surface and the second clamping surface are arranged oppositely, and the first clamping body and the second clamping body are fastened through a fastener.
Description
Technical Field
The invention belongs to the field of tensile strength testing equipment, and relates to a rope stretching testing device and a rope stretching method thereof.
Background
In the petroleum exploitation process, metal ropes are usually used, different oil wells and different working procedures are usually required to meet different rated loads (namely tensile strength), and before engineering construction, a drawing instrument is required to carry out a tensile test on the selected metal ropes so as to test the real tensile strength of the metal ropes.
One end of the drawing instrument is a fixed end, the other end of the drawing instrument is a stretching end, one end of the metal rope is fixed to the fixed end, the other end of the metal rope is fixed to the stretching end, and the stretching strength of the metal rope can be tested by gradually lifting and recording the stretching strength of the stretching end.
In the actual fixing of the two ends of the metal rope, as shown in fig. 1, two metal straight bars are respectively arranged at the two ends of the drawing instrument, each end of the metal rope is respectively clamped between the two metal straight bars, and in the tensile strength test of the metal rope with larger tensile strength, when the tensile strength is applied to the tensile end, the end part of the metal rope easily slips from between the two metal straight bars, so that the test fails.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a rope stretching testing device and a rope stretching method thereof, which can enable the stress of a rope to be more stable, prevent the rope from falling off and improve the success rate of the test.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
A rope tensile testing device comprising two rope fastening members disposed opposite each other and a tensile member for applying a tensile force to at least one of the rope fastening members to separate the two rope fastening members in opposite directions;
each rope fastening component comprises a winding body, a first clamping body, a second clamping body and a fastening piece;
The winding body comprises a first surface, a second surface and a third surface, wherein the first surface is opposite to the second surface, the third surface is a first annular surface, the annular edge of the first end of the first annular surface is connected with the edge of the first surface, the annular edge of the second end of the first annular surface is connected with the edge of the second surface, and at least part of the first annular surface is a first winding area;
the first clamping body is arranged on the first surface of the winding body and comprises a first clamping surface;
the second clamping body is arranged on the first surface of the winding body and comprises a second clamping surface;
the first clamping surface and the second clamping surface are arranged oppositely, and the first clamping body and the second clamping body are fastened through a fastener.
Preferably, the first clamping body comprises a fourth surface and a second annular surface, the fourth surface is opposite to the second surface of the winding body, an annular edge of a first end of the second annular surface is connected with the first surface of the winding body, an annular edge of a second end of the second annular surface is connected with an edge of the fourth surface, a first half-ring area of the second annular surface is used as a second winding area, and a second half-ring area of the second annular surface is used as a first clamping surface of the first clamping body.
Further, at least one of the faces of the first winding region and the second winding region is a groove-shaped concave face.
Still further, the trough-shaped concave surface has a convex structure thereon.
Preferably, at least one of the first clamping surface and the second clamping surface is a wave surface.
Preferably, the stretching component comprises a first substrate, a second substrate, a dynamic stretching device and a pre-tightening device;
The power stretching device is arranged on the first substrate; the pre-tightening device is arranged on the second base body and is used for pre-tightening ropes wound and fixed on the two rope fastening components;
The two rope fastening components are respectively arranged at the power stretching end of the power stretching device and the pre-tightening end of the pre-tightening device.
Further, the pretensioning device comprises a pull rod and a nut, wherein the first end of the pull rod is connected with a winding body of the rope fastening component, a through hole is formed in the second base body, the second end of the pull rod penetrates through the through hole of the second base body, the second end of the pull rod is provided with external threads, the nut is screwed on the external threads, and the outer diameter of the nut is larger than the aperture of the through hole of the second base body.
Further, the pretensioning device comprises a rotary power output device arranged on the second base body, the winding body of one rope fastening component is connected with the rotary power output end of the rotary power output device, and the axis of the rotary power output end is connected with the winding body of the other rope fastening component.
The rope tensile testing device according to any one of the above, the second clamping body comprises a fixed block and a movable block, and the movable block is positioned between the fixed block and the first clamping body;
the first clamping body is arranged in a first area of the first surface of the winding body;
The fixed block is arranged in a second area of the first surface of the winding body, and is provided with at least one threaded through hole pointing to the first clamping surface;
The second clamping surface is positioned on the first side of the movable block, and the fastener comprises at least one threaded column, and the first end of the threaded column is screwed on the threaded through hole of the fixed block.
A rope stretching method based on a rope stretching test device according to any one of the preceding claims, comprising:
Placing the first end of the rope between the first clamping body and the second clamping body of one rope fastening component, fastening the first end of the rope between the first clamping body and the second clamping body through the fastening piece of the rope fastening component, and winding the first end of the rope on a first winding area of the winding body;
placing the second end of the rope between the first clamping body and the second clamping body of the other rope fastening component, fastening the first end of the rope between the first clamping body and the second clamping body through the fastening piece of the rope fastening component, and winding the second end of the rope on the first winding area of the winding body;
The tension member is activated to apply tension to at least one of the rope fastening members to separate the two rope fastening members in opposite directions.
Compared with the prior art, the invention has the following beneficial effects:
according to the device, the winding bodies are arranged, so that after two ends of a rope are wound by part of the winding bodies, the rope is clamped between the first clamping body and the second clamping body through the fastening pieces, the first clamping surface and the second clamping surface are clamped relatively, the two ends of the rope are stressed more firmly during tensile testing, the rope is not easy to fall off, and the success rate of the test is improved.
Further, the fourth surface and the second annular surface of the first clamping body can enable the end portion of the rope to be wound at least once, so that the rope is more stable and is not easy to fall off.
Further, the groove-shaped concave surface is arranged, so that the rope is not easy to fall off when being wound.
Further, the groove-shaped concave surface is provided with a convex structure, so that the rope is not easy to fall off when being wound.
Further, at least one of the first clamping surface and the second clamping surface is a wavy surface, so that the rope can be clamped more firmly.
Further, the threaded column is used for abutting against the second side of the movable block between the first clamping body and the fixed block so as to keep the opposite clamping of the first clamping surface and the second clamping surface more firm.
The method comprises the steps of placing a first end of a rope between a first clamping body and a second clamping body of a rope fastening component, fastening the first end of the rope between the first clamping body and the second clamping body of the rope fastening component through a fastener of the rope fastening component, and winding the first end of the rope on a first winding area of a winding body of the rope fastening component; placing the second end of the rope between the first clamping body and the second clamping body of the other rope fastening component, fastening the first end of the rope between the first clamping body and the second clamping body of the other rope fastening component through the fastener of the other rope fastening component, and winding the second end of the rope on the first winding area of the winding body of the other rope fastening component; because the two ends of the rope are wound, the stress of the rope is more stable, the rope is not easy to fall off, and the success rate of the test is improved.
Drawings
Fig. 1 is a schematic view of a prior art structure for stretching and fixing a metal rope;
Fig. 2 is a schematic structural view of a rope tensile testing device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a rope tension testing device for locking a rope according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a rope tension testing device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a rope tension testing device according to an embodiment of the present invention from a second perspective;
FIG. 6 is a schematic illustration of another rope tension testing device for locking a rope provided by an embodiment of the present invention;
Fig. 7 is a schematic diagram of a rope fastening member of another rope tensile testing device according to an embodiment of the present invention from a second perspective.
Wherein: 1-a rope; 2-a groove-shaped concave surface; 3-lanes; 100-rope fastening means; 110-winding; 111-a first side; 120-a first clamping body; 121-fourth side; 122-a second annular face; 130-a second clamping body; 131-blocking; 132—a movable block; 140-fasteners; 141-a threaded post; 200-stretching the part.
Detailed Description
In order to further describe the technical means and effects adopted by the invention to achieve the aim of the preset embodiment of the invention, the following is a detailed description of the specific implementation, structure, characteristics and effects of the rope tensile testing device and the rope tensile method according to the embodiment of the invention with reference to the accompanying drawings and the preferred embodiment. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
Fig. 2 is a schematic diagram of an embodiment of a rope tensile testing device according to the present invention, referring to fig. 2, the rope tensile testing device according to the present invention includes: two rope fastening members 100 disposed opposite to each other and a tension member 200 for applying tension to at least one rope fastening member 100 to separate the two rope fastening members 100 in opposite directions.
Each of the rope fastening members 100 includes: the winding body 110, the first clamping body 120, the second clamping body 130 and the fastener 140, wherein the winding body 110 comprises a first surface 111, a second surface and a third surface, the first surface 111 is opposite to the second surface, the third surface is a first annular surface, an annular edge of a first end of the first annular surface is connected with an edge of the first surface 111, an annular edge of a second end of the first annular surface is connected with an edge of the second surface, and at least part of the first annular surface is a first winding area; the first clamping body 120 is disposed on the first surface 111, and includes a first clamping surface; the second clamping body 130 comprises a second clamping surface, and the first clamping surface is opposite to the second clamping surface; the fastener 140 is used to fasten the first clamping body 120 and the second clamping body 130, and maintain the clamping of the first clamping surface and the second clamping surface opposite to each other.
In the technical solution provided in the embodiment of the present invention, in the tensile test of the rope 1, the process of fastening two ends of the rope 1 to two rope fastening components 100 is as follows: placing the first end of the rope 1 between the first clamping body 120 and the second clamping of one rope fastening member 100, fastening the first end of the rope 1 between the first clamping body 120 and the second clamping of one rope fastening member 100 by the fastener 140 of one rope fastening member 100, and winding the first end of the rope 1 around the first winding area of the winding body 110 of one rope fastening member 100; placing the second end of the rope 1 between the first clamping body 120 and the second clamping of the other rope fastening member 100, fastening the first end of the rope 1 between the first clamping body 120 and the second clamping of the other rope fastening member 100 by the fastener 140 of the other rope fastening member 100, and winding the second end of the rope 1 around the first winding area of the winding body 110 of the other rope fastening member 100; because the two ends of the rope 1 are wound, the stress of the rope is more stable, the rope is not easy to fall off, and the success rate of the test is improved.
In use, the rope stretching method of the rope stretching testing device is as shown in fig. 3, and comprises the following steps:
Winding step of the first end of the rope 1: the first end of the rope 1 is placed between the first clamping body 120 and the second clamping body 130 of one rope fastening member 100, the first end of the rope 1 is fastened between the first clamping body 120 and the second clamping body 130 of one rope fastening member 100 by the fastening member 140 of one rope fastening member 100, and the first end of the rope 1 is wound around the first winding area of the winding body 110 of one rope fastening member 100.
Winding the second end of the rope 1: the second end of the rope 1 is placed between the first clamping body 120 and the second clamping body 130 of the other rope fastening member 100, the first end of the rope 1 is fastened between the first clamping body 120 and the second clamping body 130 of the other rope fastening member 100 by the fastening member 140 of the other rope fastening member 100, and the second end of the rope 1 is wound around the first winding area of the winding body 110 of the other rope fastening member 100.
Rope 1 stretching step: the stretching member 200 is activated to apply a pulling force to at least one of the rope fastening members 100 to separate the two rope fastening members 100 in opposite directions.
The tensile force applied by the tensile member 200 is gradually raised until the rope 1 is broken, and the tensile force applied by the tensile member 200 is recorded as a test force value when the rope is broken.
The fastener 140 may be a bolt, where bolt holes are formed on the first clamping body 120 and the second clamping body 130, the bolt passes through the bolt holes, and the first clamping body 120 and the second clamping body 130 may be locked by matching nuts, where in implementation, the bolt holes and the first clamping surface and the second clamping surface need to be located at different thickness positions, so that the thickness of the first clamping body 120 and the second clamping body 130 is thicker, and in order to further reduce the thickness, in some embodiments, as shown in fig. 4 and 5, the second clamping body 130 includes a fixed block 131 and a movable block 132, where the movable block 132 is located between the fixed block 131 and the first clamping body 120, and the first clamping body 120 is disposed at the first area of the first surface 111; the fixed block 131 is disposed in a second area of the first surface 111, and is provided with at least one threaded through hole pointing to the first clamping surface; the second clamping surface is located on a first side of the movable block 132, and the fastener 140 includes at least one threaded post 141, where a first end of the threaded post 141 is screwed into the threaded through hole of the fixed block 131, so as to abut against a second side of the movable block 132 located between the first clamping body 120 and the fixed block 131, so as to maintain the clamping between the first clamping surface and the second clamping surface. In the fastening of the rope 1, the rope 1 is arranged between the first side of the movable block 132 and the first clamping surface of the first clamping body 120, and the locking threaded column 141 is that the threaded column 141 is abutted against the second side of the movable block 132, so that the second clamping surface of the second side of the movable block 132 is close to the first clamping surface, the rope 1 is clamped, and the threaded through hole, the rope 1, the first clamping surface and the second clamping surface are positioned at the same thickness and height, so that the whole thickness of the rope fastening component 100 is thinner. In practice, the number of threaded posts 141 is the same as the number of threaded through holes, such as two, three, etc.
Wherein at least a partial area of the first winding area of one rope fastening member 100 is opposite to at least a partial area of the first winding area of the other rope fastening member 100. In the winding of the rope 1, the winding direction of the first end of the rope 1 around the winding body 110 of one rope fastening member 100 is opposite to the winding direction of the second end of the rope 1 around the winding body 110 of the other rope fastening member 100.
For further hoisting the rope 1 tightening element 100 tightening effect on the rope 1 end during stretching, in some embodiments the first clamping body 120 comprises: a fourth surface 121 and a second annular surface 122, wherein the fourth surface 121 is opposite to the second surface, an annular edge of a first end of the second annular surface 122 is connected with the first surface 111, an annular edge of a second end of the second annular surface 122 is connected with an edge of the fourth surface 121, a first half-ring area of the second annular surface 122 is used as a second winding area, and a second half-ring area of the second annular surface 122 is used as the first clamping surface. In the winding process of the rope 1, as shown in fig. 6, in the winding step of the first end of the rope 1, further includes: winding the first end of the rope 1ss1 around the second winding area of the first clamping body 120 of one rope fastening member 100; in the winding step of the second end of the rope 1, it further comprises: winding the second end of the rope 1 around the second winding area of the first clamping body 120 of the other rope fastening member 100; in the winding process, the winding body 110 having the same outer diameter using the second winding region of the first clamping body 120 increases the size of the winding region of the rope 1, and further improves the fastening effect of the rope fastening member 100 thereof on the rope 1.
In a specific implementation, the first winding area and the second winding area are not limited to straight cylindrical annular surfaces, and may be concave annular surfaces with a small middle diameter and a large outer diameter for the convenience of stabilizing the limit rope 1, as shown in fig. 7, that is, at least one surface of the first winding area and the second winding area may also be a groove-shaped concave surface 2. Further, the groove-shaped concave surface 2 can be provided with a convex structure. For example, the bump structure is a multi-point bump, or a cross stripe 3, etc.
Similarly, the first clamping surface and the second clamping surface are not limited to be planar, and at least one of the first clamping surface and the second clamping surface may be a wavy surface, that is, the rope 1 clamped on the first clamping surface and the second clamping surface is in a wavy shape, so that the clamping effect is better.
In general, the stretching unit 200 includes a first base, a second base, and a power stretching device, in which a hydraulic cylinder is generally used in the power stretching device, and the stretching direction of a telescopic cylinder of the hydraulic cylinder is the same as the stretching direction, in an actual stretching test, after the rope 1 is wound and fixed on two rope fastening units 100, the rope 1 is generally a metal rope 1, and after the rope is manually wound and fixed, the rope is in a loose state, and the metal rope 1 needs to be pre-tensioned by controlling the displacement and shrinkage of the telescopic cylinder on the telescopic cylinder, so that the required stretching distance of the hydraulic cylinder is large. In some embodiments of the present invention, the stretching member 200 further comprises a pre-tightening device; the power stretching device is arranged on the first substrate; a rope fastening member 100 is provided at a power stretching end of the power stretching device; another rope fastening member 100 is provided at the pretensioning end of the pretensioning device; the pre-tightening device is provided to the second base body for pre-tightening the rope 1 wound around the two rope fastening members 100. After being fixed through artificial winding, the stretching and contracting device can be used for pre-tightening, and after pre-tightening, the power stretching device is used for carrying out a stretching test on the metal rope 1, so that the power stretching device is not required to have a larger stretching stroke.
In an embodiment of the pretensioning device, as shown in fig. 2, the pretensioning device comprises a pull rod, a nut, a first end of the pull rod being connected to the winding body 110 of the other rope fastening member 100, a second end of the pull rod passing through the through hole of the second base body, the second end of the pull rod having an external thread, the nut being screwed to the external thread, the outer diameter of the nut being larger than the aperture of the through hole of the second base body. In the need of pre-tightening the metal rope 1, the nut is forced to the second base body by screwing the nut, and the pull rod is displaced in the through hole of the second base body under the action of the reaction force, so that the rope 1 is fastened.
In another embodiment of the pretensioning device, the pretensioning device comprises a rotary power take-off arranged on the second base body, the winding body 110 of the other rope fastening member 100 being connected to a rotary power take-off of the rotary power take-off, the axis of the rotary power take-off being connected to the winding body 110 of the other rope fastening member 100. When the metal rope 1 needs to be pre-tensioned, the rotational power output device is controlled to output rotational power, so that the rope fastening member 100 of the other rope fastening member 100 is rotated in the winding direction of the rope 1 wound around the rope fastening member 100 of the other rope fastening member 100, thereby fastening the rope 1.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
It will be appreciated that the relevant features of the apparatus described above may be referred to with respect to each other. In addition, the "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent the merits and merits of the embodiments.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed apparatus should not be construed as reflecting the intention of: i.e., the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the components of the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The components of the embodiments may be combined into one component, and furthermore they may be divided into a plurality of sub-components. Any combination of all features disclosed in this specification, and all components of any apparatus so disclosed, can be combined, except that at least some of such features are mutually exclusive. Each feature disclosed in this specification may be replaced by an alternative feature serving the same, equivalent, or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments can be used in any combination. Various component embodiments of the present invention may be implemented in hardware, or in a combination thereof.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or components not listed in a claim. The word "a" or "an" preceding a component or assembly does not exclude the presence of a plurality of such components or assemblies. The invention may be implemented by means of an apparatus comprising several distinct elements. In the claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A rope tensile testing device characterized by comprising two rope fastening members (100) arranged opposite to each other and a tensile member (200) for applying a tensile force to at least one rope fastening member (100) to separate the two rope fastening members (100) opposite to each other;
each rope fastening member (100) includes a winding body (110), a first clamping body (120), a second clamping body (130), and a fastener (140);
The winding body (110) comprises a first surface (111), a second surface and a third surface, wherein the first surface (111) is opposite to the second surface, the third surface is a first annular surface, an annular edge of a first end of the first annular surface is connected with the edge of the first surface (111), an annular edge of a second end of the first annular surface is connected with the edge of the second surface, and at least part of the first annular surface is a first winding area;
The first clamping body (120) is arranged on the first surface (111) of the winding body (110), and the first clamping body (120) comprises a first clamping surface;
the second clamping body (130) is arranged on the first surface (111) of the winding body (110), and the second clamping body (130) comprises a second clamping surface;
the first clamping surface and the second clamping surface are arranged opposite to each other, and the first clamping body (120) and the second clamping body (130) are fastened through a fastener (140).
2. Rope tensile testing device according to claim 1, characterized in that the first clamping body (120) comprises a fourth face (121) and a second annular face (122), the fourth face (121) being opposite to the second face of the winding body (110), the annular edge of the first end of the second annular face (122) being connected to the first face (111) of the winding body (110), the annular edge of the second end of the second annular face (122) being connected to the edge of the fourth face (121), the first half-ring area of the second annular face (122) being the second winding area, the second half-ring area of the second annular face (122) being the first clamping face of the first clamping body (120).
3. Rope tensile testing device according to claim 2, characterized in that at least one of the faces of the first winding area and the second winding area is a groove-shaped concave face (2).
4. A rope tensile testing device according to claim 3, characterised in that the groove-shaped concave surface (2) has a convex structure.
5. A rope tensile testing device according to claim 1, wherein at least one of the first clamping surface and the second clamping surface is a wave surface.
6. Rope tensile testing device according to claim 1, characterized in that the tensile member (200) comprises a first matrix, a second matrix, a dynamic tensile means and a pre-tightening means;
The power stretching device is arranged on the first substrate; the pre-tightening device is arranged on the second base body and is used for pre-tightening the ropes (1) wound and fixed on the two rope fastening components (100);
The two rope fastening components (100) are respectively arranged at the power stretching end of the power stretching device and the pre-tightening end of the pre-tightening device.
7. Rope tensile testing device according to claim 6, c h a r a c t e r i z e d in that the pretensioning device comprises a pull rod and a nut, a first end of the pull rod being connected to a winding body (110) of one rope fastening element (100), the second base body being provided with a through hole, a second end of the pull rod passing through the through hole of the second base body, the second end of the pull rod being provided with an external thread, the nut being screwed to the external thread, the outer diameter of the nut being larger than the aperture of the through hole of the second base body.
8. Rope tensile testing device according to claim 6, wherein,
The pre-tightening device comprises a rotary power output device, the pre-tightening device is arranged on the second base body, a winding body (110) of one rope fastening component (100) is connected with a rotary power output end of the rotary power output device, and an axis of the rotary power output end is connected with a winding body (110) of the other rope fastening component (100).
9. Rope tensile testing device according to any one of the claims 1-8, characterized in that the second clamping body (130) comprises a fixed block (131) and a movable block (132), the movable block (132) being located between the fixed block (131) and the first clamping body (120);
the first clamping body (120) is arranged in a first area of the first surface (111) of the winding body (110);
The fixed block (131) is arranged in a second area of the first surface (111) of the winding body (110), and at least one threaded through hole pointing to the first clamping surface is formed in the fixed block (131);
The second clamping surface is positioned on the first side of the movable block (132), and the fastener (140) comprises at least one threaded column (141), wherein the first end of the threaded column (141) is screwed on the threaded through hole of the fixed block (131).
10. A rope stretching method based on a rope stretching test device according to any one of claims 1-9, comprising:
Placing a first end of the rope (1) between a first clamping body (120) and a second clamping of a rope fastening member (100), fastening the first end of the rope (1) between the first clamping body (120) and the second clamping by a fastener (140) of the rope fastening member (100), and winding the first end of the rope (1) around a first winding area of the winding body (110);
Placing the second end of the rope (1) between the first clamping body (120) and the second clamping of the other rope fastening component (100), fastening the first end of the rope (1) between the first clamping body (120) and the second clamping by the fastener (140) of the rope fastening component (100), and winding the second end of the rope (1) around the first winding area of the winding body (110);
The tension member (200) is activated to apply tension to at least one of the rope fastening members (100) to separate the two rope fastening members (100) in opposite directions.
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| CN202011045581.2A CN112304750B (en) | 2020-09-28 | 2020-09-28 | Rope stretching test device and rope stretching method thereof |
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| CN202011045581.2A CN112304750B (en) | 2020-09-28 | 2020-09-28 | Rope stretching test device and rope stretching method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042435A (en) * | 2003-07-23 | 2005-02-17 | Kozai Steel:Kk | Rope clip |
| CN205941195U (en) * | 2016-08-23 | 2017-02-08 | 中国建材检验认证集团股份有限公司 | Clamp |
| CN108190616A (en) * | 2018-01-26 | 2018-06-22 | 郑州拽亘电子科技有限公司 | A kind of cable pulling device |
| CN211528052U (en) * | 2019-10-30 | 2020-09-18 | 中汽研（天津）汽车工程研究院有限公司 | Static and dynamic tensile testing device for fabric material |
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2020
- 2020-09-28 CN CN202011045581.2A patent/CN112304750B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042435A (en) * | 2003-07-23 | 2005-02-17 | Kozai Steel:Kk | Rope clip |
| CN205941195U (en) * | 2016-08-23 | 2017-02-08 | 中国建材检验认证集团股份有限公司 | Clamp |
| CN108190616A (en) * | 2018-01-26 | 2018-06-22 | 郑州拽亘电子科技有限公司 | A kind of cable pulling device |
| CN211528052U (en) * | 2019-10-30 | 2020-09-18 | 中汽研（天津）汽车工程研究院有限公司 | Static and dynamic tensile testing device for fabric material |
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