CN112504884A - Fiber rope high-low temperature fatigue performance testing device - Google Patents
Fiber rope high-low temperature fatigue performance testing device Download PDFInfo
- Publication number
- CN112504884A CN112504884A CN202011400810.8A CN202011400810A CN112504884A CN 112504884 A CN112504884 A CN 112504884A CN 202011400810 A CN202011400810 A CN 202011400810A CN 112504884 A CN112504884 A CN 112504884A
- Authority
- CN
- China
- Prior art keywords
- box body
- fiber rope
- holding part
- assembly
- test box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
-
- 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
-
- 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
-
- 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
- G01N3/18—Performing tests at high or low temperatures
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- 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
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0228—Low temperature; Cooling means
-
- 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
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0688—Time or frequency
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Fiber rope area high low temperature fatigue performance testing arrangement includes: the device supports the frame body; the test box body is arranged inside the device supporting frame body; the temperature adjusting component is arranged to provide a proper test temperature in the test box body; the telescopic assembly is arranged on the upper side surface of the test box body and can stretch vertically; the holding assembly is arranged in the test box body; the holding assembly comprises a first holding part and a second holding part which are respectively connected with the telescopic assembly and the bottom surface of the test box body, the first holding part and the second holding part are arranged for respectively holding two end parts of the fiber rope belt to be tested, and the tension applied to the fiber rope belt to be tested is adjusted by adjusting the distance between the first holding part and the second holding part; the tension sensor is arranged on the holding assembly and used for testing the actual tension on the fiber rope belt to be tested; the control assembly is used for controlling the temperature adjusting assembly, the telescopic assembly, the holding assembly and the tension sensor.
Description
Technical Field
The application belongs to the technical field of fiber ropes, and in particular relates to a fiber rope belt high-low temperature fatigue performance testing device.
Background
The fiber rope belt generally comprises fiber ropes and fiber belts, for fiber rope belt products, mechanical performance indexes such as breaking strength, tensile fatigue, elongation at break, static tension and the like at normal temperature are generally concerned, and related performance indexes of the belt products under specific temperature working conditions are often ignored, especially under high and low temperature conditions, such as a cold freezing environment, a high-temperature furnace environment and the like. The performance of the fiber rope belt product under high and low temperature conditions can change due to the temperature change of the use environment, and the operation efficiency and the operation safety of the fiber rope belt product under the high and low temperature environments are often influenced.
Therefore, in order to ensure that the working fiber rope belt can fully play its guarantee role in production, life and other aspects, it is necessary to detect the breaking strength, tensile fatigue, breaking elongation and static tensile force performance of the working fiber rope belt under high and low temperature conditions, and establish a sound and corresponding test method and a corresponding test instrument, which has important significance for improving the working safety and the working protection level of the working fiber rope belt.
Disclosure of Invention
In order to solve at least one of the above-mentioned technical problems of the prior art, some embodiments disclose a fiber rope high and low temperature fatigue performance testing apparatus, including:
the device supports the frame body;
the test box body is arranged inside the device supporting frame body;
the temperature adjusting component is arranged to provide a proper test temperature in the test box body;
the telescopic assembly is arranged on the upper side surface of the test box body and can stretch vertically;
the holding assembly is arranged in the test box body; the holding assembly comprises a first holding part and a second holding part which are respectively connected with the telescopic assembly and the bottom surface of the test box body, the first holding part and the second holding part are arranged for respectively holding two end parts of the fiber rope belt to be tested, and the tension applied to the fiber rope belt to be tested is adjusted by adjusting the distance between the first holding part and the second holding part;
the tension sensor is arranged on the holding assembly and used for testing the actual tension on the fiber rope belt to be tested;
the control assembly is used for controlling the temperature adjusting assembly, the telescopic assembly, the holding assembly and the tension sensor.
Further, some embodiments disclose the fiber rope area high and low temperature fatigue performance testing device, the temperature adjustment subassembly includes:
the refrigerating part is communicated with the test box body and is used for refrigerating the test box body;
the heating part is arranged on the test box body and used for heating the test box body;
and the temperature sensor is arranged in the test box body and used for obtaining the temperature in the test box body.
Some embodiments disclose the fiber rope high and low temperature fatigue performance testing device, further comprising a fan for forming air flow in the testing box body.
Some embodiments disclose the fiber rope high and low temperature fatigue performance testing device, the second holding part is arranged and installed on the second holding part fixing part at the bottom of the testing box body.
Some embodiments disclose the high low temperature fatigue performance testing arrangement of fibre rope area, and the tension sensor sets up between first gripping member and the flexible subassembly.
Some embodiments disclose the fiber rope area high low temperature fatigue performance testing arrangement, first gripping member corresponds with the second gripping member is perpendicular.
Some embodiments disclose the fiber rope area high low temperature fatigue performance testing arrangement, first gripping member the same with second gripping member.
Some embodiments disclose the high low temperature fatigue performance testing arrangement of fibre rope area, the flexible subassembly includes the telescopic piston.
Some embodiments disclose the fiber rope high and low temperature fatigue performance testing device, the holding part is a wheel type holding part, a pin column fixing part or a wedge type part.
The fiber rope high-low temperature fatigue performance testing device disclosed by the embodiment of the application has the advantages of simple structure equipment, convenience in operation, rapidness in testing process, high automation degree and reliable testing data, and can be used for testing the fatigue tensile performance of the fiber rope under the condition of-50-200 ℃, such as rope breaking strength, static tension load-holding test and tensile fatigue performance test.
Drawings
FIG. 1 embodiment 1 is a schematic view of a fiber rope high and low temperature fatigue performance testing device
The components in the drawings of the embodiments are not drawn to the same scale, are provided for illustration only, and are not limiting; the sizes and the proportional relations of all the components are subject to the text disclosed in the specification.
Reference numerals
1 device supporting frame body 2 testing box body
3 temperature regulating assembly 4 holding assembly
5 Telescopic assembly 6 tension sensor
7 fan 8 temperature sensor
9 control assembly 31 refrigeration component
32 heating element 41 first holding element
91 control box 42 second holding part
92 controller 411 first gripping member fixing member
421 second holding part fixing part 100 fiber rope belt to be tested
Detailed Description
The word "embodiment" as used herein, does not necessarily mean that any embodiment described as "exemplary" is preferred or advantageous over other embodiments. Performance index tests in the examples of this application, unless otherwise indicated, were performed using routine experimentation in the art. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.
Unless defined otherwise, 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; other test methods and techniques not specifically mentioned in the present application are those commonly employed by those of ordinary skill in the art.
The terms "substantially" and "about" are used herein to describe small fluctuations. For example, they may mean less than or equal to ± 5%, such as less than or equal to ± 2%, such as less than or equal to ± 1%, such as less than or equal to ± 0.5%, such as less than or equal to ± 0.2%, such as less than or equal to ± 0.1%, such as less than or equal to ± 0.05%. Concentrations, amounts, and other numerical data may be expressed or presented herein in a range format. Such range format is used merely for convenience and brevity and thus should be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range as if each numerical value and sub-range is explicitly recited. For example, a numerical range of "1 to 5%" should be interpreted to include not only the explicitly recited values of 1% to 5%, but also include individual values and sub-ranges within the indicated range. Thus, included in this numerical range are individual values, such as 2%, 3.5%, and 4%, and sub-ranges, such as 1% to 3%, 2% to 4%, and 3% to 5%, etc. This principle applies equally to ranges reciting only one numerical value. Moreover, such an interpretation applies regardless of the breadth of the range or the characteristics being described.
In this document, including the claims, all conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be understood as being open-ended, i.e., to mean" including but not limited to. Only the conjunctions "consisting of … …" and "consisting of … …" are closed conjunctions.
In the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, apparatuses, etc. known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application. On the premise of no conflict, the technical features disclosed in the embodiments of the present application may be combined arbitrarily, and the obtained technical solution belongs to the content disclosed in the embodiments of the present application. The first holding part and the second holding part are only different parts, and do not indicate the sequence. Reference to a fibre rope belt in the examples herein includes a fibre rope, a fibre belt, and the test sample is generally a fibre rope test sample or a fibre belt test sample unless its context is expressly defined otherwise.
In some embodiments, the fiber rope belt high and low temperature fatigue performance testing device comprises: the device supports the frame body; the test box body is arranged inside the device supporting frame body; the temperature adjusting component is arranged to provide a proper test temperature in the test box body; the telescopic assembly is arranged on the upper side surface of the test box body and can stretch vertically; the holding assembly is arranged in the test box body; the holding assembly comprises a first holding part and a second holding part which are respectively connected with the telescopic assembly and the bottom surface of the test box body, the first holding part and the second holding part are arranged for respectively holding two end parts of the fiber rope belt to be tested, and the tension applied to the fiber rope belt to be tested is adjusted by adjusting the distance between the first holding part and the second holding part; the tension sensor is arranged on the holding assembly and used for testing the actual tension on the fiber rope belt to be tested; the control assembly is used for controlling the temperature adjusting assembly, the telescopic assembly, the holding assembly and the tension sensor.
Generally, the device support frame body is a basic frame platform of the testing device, and the components of the testing device are arranged inside the basic frame platform and are installed at proper positions so as to perform performance testing on a sample to be tested of the fiber rope belt. Generally, in order to test the fatigue resistance of a fiber rope sample under high and low temperature conditions, a test environment with high and low temperature adjustment needs to be set, and therefore a test box body can be set, a stable temperature environment can be formed inside the box body, the requirements of high temperature and low temperature tests are met, for example, the temperature range is-50-100 ℃, for this reason, the test box body needs to be provided with a proper heat insulation structure, such as a relatively closed environment, a heat insulation layer and the like, and in order to facilitate operations in the test box body, such as sample replacement, internal part replacement and internal state observation, the test box body can be set to be an openable structure, such as a box door or a window arranged on the side surface. In order to regulate and control the temperature in the test box, a temperature regulation assembly is generally provided to raise or lower the temperature inside the box, and at the same time, the temperature in the box is detected to better control the temperature rise rate, the temperature drop rate, the constant temperature state, and the like. Generally, in order to test a fiber rope sample, the fiber rope sample needs to be fixed, and for this purpose, a holding component is generally arranged, so that two ends of the fiber rope sample can be fixed, and the sample to be tested can be held so as to apply a test tensile force to the sample; generally, the holding assembly needs to fix two ends of a test sample, and then the test sample is stretched to apply a tensile force to the test sample, for this purpose, the holding assembly may include two holding parts, a first holding part and a second holding part, the two holding parts are correspondingly installed at opposite positions in the test box body, and at the same time, a distance between the first holding part and the second holding part can be adjusted, and by adjusting the distance, the test sample fixed on the first holding part and the second holding part can be stretched to apply the tensile force. In order to realize the tensile of fibre rope area test sample, can set up flexible subassembly, install it inside the test line body, and will grip the unit mount on flexible subassembly, make and grip subassembly and flexible subassembly synchronous motion, exert pulling force to the test sample, for example, can link firmly first gripping member with extensible part, second gripping member links firmly with the corresponding side of extensible part in with the test box, it is taut to drive first gripping member through flexible subassembly and remove and with the fibre rope area sample that sets up on first gripping member and the second gripping member, and then apply the pulling force. In order to know the tensile force applied to the fiber rope belt test sample in the process of being stretched, a tensile force sensor can be arranged and installed at a proper position of a basic frame platform so as to measure the tensile force applied to the test sample, and the tensile force applied to the fiber rope belt test sample is generally equal to the tensile force of the fiber rope belt test sample; in order to automatically control and adjust the temperature adjustment in the test box body, control the moving distance of the telescopic part and dynamically process the data of the tension sensor, a control assembly can be arranged to control the temperature adjustment assembly, the telescopic assembly, the holding assembly and the tension sensor.
As an alternative embodiment, the temperature adjustment assembly comprises: the refrigerating part is communicated with the test box body and is used for refrigerating the test box body; the heating part is arranged on the test box body and used for heating the test box body; and the temperature sensor is arranged in the test box body and used for obtaining the temperature in the test box body. The refrigeration part can generally transmit the heat in the test box body to the outside of the box body through a heat-conducting medium so as to reduce the internal temperature, for example, a refrigeration compressor, so that a heat transmission channel of the refrigeration compressor can be communicated with the test box body so as to reduce the temperature in the test box body; the heating component can be generally arranged inside the test box body to heat the test box body, for example, an electric heating component can be adopted; the temperature sensor is usually required to be arranged inside the test box body to sense the temperature in the test box body, so that the temperature sensor is convenient to control and adjust and controls the working state of a heating part or a refrigerating part. Generally, the refrigeration component, the heating component and the temperature sensor are connected with the control component, and the control component can store and process sensed temperature to control the working states of the refrigeration component and the heating component.
As an alternative embodiment, the fiber rope high-low temperature fatigue performance testing device further comprises a fan which is used for forming air flow in the testing box body, and the temperature in the testing box body is adjusted through the air flow. Usually, the fan can be arranged in the testing device, airflow is formed in the testing box body, the temperature in the testing box body is adjusted through gas flowing, and the temperature adjusting efficiency is improved. For example, it may be provided on the bottom of the test enclosure, on a side wall near the location where the refrigeration component communicates with the test enclosure, or on another side wall of the test enclosure. Fans typically include blowers, ventilators, electric fans, and the like capable of generating a flow of gas.
As an alternative embodiment, the second holding part is arranged and installed on a second holding part fixing part at the bottom of the test box body. The fixing part of the holding part can be arranged at the bottom of the test box body generally, so that the holding part is fixedly connected to the bottom of the test box body, the holding part is arranged, adjusted, replaced and the like, and concise and quick operation is realized. The holding part disclosed by the embodiment of the application comprises a first holding part and a second holding part, wherein the first holding part and the second holding part are only two holding parts which are distinguished and represent different positions, the holding part arranged at the bottom of the test box body is usually determined as the second holding part, and the other holding part opposite to the second holding part is the first holding part; from the aspect of the implementation of the technical solution, the holding part at the bottom of the testing box may also be determined as the first holding part, and the corresponding holding part arranged at the top of the testing box is the second holding part.
As an alternative embodiment, the first holding part and the second holding part can be set as movable parts which are movably connected with the inner wall of the test box body, so that the movement of the first holding part and the movement of the second holding part can be independently controlled; as an optional implementation manner, the first holding part can be set as a movable part and movably connected with the inner wall of the test box body, and the second holding part is set as a fixed part and fixedly connected with the inner wall of the test box body; as an alternative embodiment, the second holding part can be arranged as a movable part and movably connected with the inner wall of the test box body, and the first holding part is arranged as a fixed part and fixedly connected with the inner wall of the test box body.
As an alternative embodiment, a tension sensor is arranged between the first gripping part and the telescopic assembly. Usually, the tension sensor is arranged between the first holding part and the telescopic assembly, so that the linear connection with the fiber rope belt test sample can be realized, the tension sensor and the fiber rope belt test sample are ensured to receive the same tension, and the accurate test of the tension can be realized. From the aspect that the technical solution can be implemented, the tension sensor may be disposed between the second holding member and the second holding member fixing member.
As an alternative embodiment, the first gripping member vertically corresponds to the second gripping member. Usually, first part of gripping sets up at the top of test box, and the second part of gripping sets up in the bottom of test box, and the both ends setting of fibre rope area test sample is connected with first part of gripping and second part of gripping respectively, and first part of gripping corresponds with the second part of gripping perpendicularly, can make the pulling force that the removal of telescopic component was applyed fibre rope area test sample equal with the pulling force of force sensor perception. If the two sets up in a crisscross way, then make to have certain contained angle between the flexible direction of fibre fag end and flexible subassembly, cause the pulling force effect direction to take place to decompose, the pulling force that fibre fag end sample received is unequal with the pulling force of force sensor perception, has increased the tensile degree of difficulty that accurate definite fibre fag end test sample received, and influences the accuracy of test result.
As an alternative embodiment, the first gripping member is identical to the second gripping member. Generally, the gripping members may be wheel-type members, pin-type members or wedge-type members, and generally the same members are used for the first gripping member and the second gripping member, for example, both wheel-type members, both pin-type members or wedge-type members.
The diameter of the clamping wheel of the wheel type holding part is more than or equal to 10 times of the width of the clamped fiber rope belt.
The pin diameter of the pin fixing part is usually 2 times or more the width of the fiber rope belt.
As an alternative embodiment, the telescopic assembly comprises a telescopic piston. The telescopic stroke of the telescopic piston of the telescopic assembly is 1000-2000 mm. Usually, a motor is also provided in the testing device for driving the telescopic piston, and the telescopic piston is driven by the motor to realize the movement of the telescopic part.
Usually, the fiber rope high-low temperature fatigue performance testing device further comprises a control assembly for controlling the operation of the testing device, such as controlling the temperature of the testing box body and controlling the tensile force applied to a sample to be tested of the fiber rope belt, receiving the actual tensile force measured by the tensile force sensor, accurately controlling the expansion and contraction amplitude of the expansion and contraction assembly according to the actual tensile force, and adjusting and controlling the factors such as the time of the testing process.
As an alternative embodiment, the control assembly comprises:
the control box is used for providing a power supply for the testing device and controlling the power supply to be switched on and switched off;
a controller including a processor and a display, such as a computer and a server with the processor disposed therein; the computer display is internally provided with a control program for controlling the testing device and a testing program for testing the high and low temperature performance; the display can display information and information processing;
as an alternative embodiment, the control assembly may further comprise an information input assembly, such as a keyboard or the like, for inputting information to control the controller.
The technical details are further illustrated in the following examples.
Example 1
Fig. 1 is a schematic view of a high-low temperature fatigue performance testing device of the fiber rope belt disclosed in embodiment 1.
The fiber rope high and low temperature fatigue performance testing device disclosed in embodiment 1 comprises: the device comprises a vertical device supporting frame body 1, a testing box body 2 is arranged inside the device supporting frame body 1, a temperature adjusting assembly 3 comprises a refrigerating part 31 and a heating part 32, the refrigerating part 31 is arranged on the outer side surface of the device supporting frame body 1 and is communicated with the testing box body 2, the temperature adjusting assembly is set to provide reduced testing temperature inside the testing box body 2, the heating part 32 is arranged on the inner wall of the testing box body 2 and provides increased testing temperature for the refrigerating part, a temperature sensor 8 for testing the temperature inside the testing box body is further arranged on the inner side wall of the testing box body 2, and a fan 7 is arranged on the inner side wall of; the telescopic assembly 5 is arranged on the upper side wall of the test box body 2 and is arranged to be vertically telescopic, one end of the telescopic assembly is positioned on the outer side of the test box body 2, and the other end of the telescopic assembly is positioned on the inner side of the test box body 2; the holding assembly 4 is arranged in the test box body, the holding assembly 4 comprises a first holding part 41 and a second holding part 42, a second holding part fixing part 421 is arranged at the bottom of the test box body 2 and used for installing and fixing the second holding part 42, and a first holding part fixing part 411 is arranged at the bottom end of the telescopic assembly 5 and used for installing and fixing the first holding part 41; two ends of the fiber rope belt 100 to be detected are respectively connected with the first holding part 41 and the second holding part 42; the telescopic assembly 5 adjusts the height of the first holding part 41 in the telescopic process, so as to apply tension to the fiber rope belt 100 to be tested; the tension sensor 6 is arranged on the holding assembly, is positioned between the first holding part 41 and the first holding part fixing part 411, and is used for testing the actual tension of the fiber rope belt 100 to be tested; the control assembly 9 includes a control box 91 and a controller 92 for controlling the temperature adjustment assembly 3, the telescopic assembly 5, the grip assembly 4 and the tension sensor 5.
Example 2
Utilize high low temperature capability test device of fibre rope area to carry out tensile fatigue test, include:
(1) one end of the fiber rope belt sample is connected with the first holding part, and the other end of the fiber rope belt sample is connected with the second holding part;
(2) adjusting the temperature in the test chamber to a desired temperature;
(3) adjusting the height of the telescopic part, applying tension to the fiber rope sample to a set value, and recovering the fiber rope sample until the tension is zero after keeping the set time;
(4) and (4) repeating the step (3) until the service life of the fiber rope belt sample is reached, and recording the cycle test times.
The tensile fatigue test of the fiber rope high-low temperature performance test device disclosed in embodiment 2 can be used for testing a fiber belt with the width of 20-80 mm and the thickness of 2-10 mm and a fiber rope with the diameter of 7-16 mm, the test temperature range is-50-100 ℃, the tension range is 5-500 kN, and the tension error is +/-2%.
Example 3
Utilize high low temperature capability test device of fibre rope area to carry out quiet tensile test, include:
(1) one end of the fiber rope belt sample is connected with the first holding part, and the other end of the fiber rope belt sample is connected with the second holding part;
(2) adjusting the temperature in the test chamber to a desired temperature;
(3) adjusting the height of the telescopic component, applying tension to the fiber rope belt sample to a set value, and keeping the set time;
(4) and (4) if the fiber rope belt is not broken at the end of the step (3), increasing the tensile force until the fiber rope belt is broken, and recording the corresponding tensile force.
The static tension test of the high-low temperature performance test device for the fiber rope belt disclosed in the embodiment 3 can be used for testing the fiber belt with the width of 20-80 mm and the thickness of 2-10 mm and the fiber rope with the diameter of 7-16 mm, the test temperature range is-50-100 ℃, the tension range is 5-500 kN, and the tension error is +/-2%.
Example 4
Utilize high low temperature capability test device of fibre rope area to carry out fracture strength test, include:
(1) one end of the fiber rope belt sample is connected with the first holding part, and the other end of the fiber rope belt sample is connected with the second holding part;
(2) adjusting the temperature in the test chamber to a desired temperature;
(3) the telescopic assembly pulls the first holding part to stretch upwards at a certain speed until the rope sample is damaged;
(4) and recording the corresponding tension value and storing the corresponding displacement-force value curve. And determining the breaking strength according to the displacement-tension curve.
The fiber rope high-low temperature performance testing device disclosed in embodiment 4 can be used for testing a fiber belt with a width of 20-80 mm and a thickness of 2-10 mm and a fiber rope with a diameter of 7-16 mm, wherein the testing temperature range is-50-100 ℃, the tension range is 5-500 kN, and the tension error is +/-2%.
The fiber rope high-low temperature fatigue performance testing device disclosed by the embodiment of the application has the advantages of simple structure equipment, convenience in operation, rapidness in testing process, high automation degree and reliable testing data, and can be used for testing the fatigue tensile performance of the fiber rope under the condition of-50-200 ℃, such as rope breaking strength, static tension load-holding test and tensile fatigue performance test.
The technical solutions and the technical details disclosed in the embodiments of the present application are only examples to illustrate the concept of the present application, and do not constitute a limitation to the technical solutions of the present application, and all the inventive changes that are made to the technical details disclosed in the present application without inventive changes have the same inventive concept as the present application, and are within the protection scope of the claims of the present application.
Claims (9)
1. Fiber rope area high low temperature fatigue performance testing arrangement, its characterized in that, this testing arrangement includes:
the device supports the frame body;
the test box body is arranged inside the device supporting frame body;
the temperature adjusting assembly is arranged to provide a proper test temperature in the test box body;
the telescopic assembly is arranged on the upper side surface of the test box body and can stretch vertically;
the holding assembly is arranged in the test box body; the holding assembly comprises a first holding part and a second holding part which are respectively connected with the telescopic assembly and the bottom surface of the test box body, the first holding part and the second holding part are arranged for respectively holding two end parts of a fiber rope belt to be tested, and the tension applied to the fiber rope belt to be tested is adjusted by adjusting the distance between the first holding part and the second holding part;
the tension sensor is arranged on the holding assembly and used for testing the actual tension on the fiber rope belt to be tested;
and the control assembly is used for controlling the temperature adjusting assembly, the telescopic assembly, the holding assembly and the tension sensor.
2. The fiber rope high and low temperature fatigue performance testing device of claim 1, wherein the temperature adjusting assembly comprises:
the refrigerating part is communicated with the test box body and is used for refrigerating the test box body;
the heating part is arranged on the test box body and used for heating the test box body;
and the temperature sensor is arranged in the test box body and used for obtaining the temperature in the test box body.
3. The fiber rope high and low temperature fatigue performance testing device of claim 1, further comprising a fan for creating an air flow in the test box.
4. The fiber rope high and low temperature fatigue performance testing device of claim 1, wherein the second holding part is arranged and installed on a second holding part fixing part at the bottom of the testing box body.
5. The fiber rope high and low temperature fatigue performance testing device of claim 1, wherein the tension sensor is disposed between the first gripping member and the telescoping assembly.
6. The fiber rope high and low temperature fatigue performance testing device of claim 1, wherein the first holding part vertically corresponds to the second holding part.
7. The fiber rope high and low temperature fatigue performance testing device of claim 1, wherein the first gripping member is the same as the second gripping member.
8. The fiber rope high and low temperature fatigue performance testing device of claim 1, wherein the telescoping assembly comprises a telescoping piston.
9. The fiber rope high and low temperature fatigue performance testing device of claim 1, wherein the holding part is a wheel type holding part, a pin fixed part or a wedge type part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400810.8A CN112504884A (en) | 2020-12-03 | 2020-12-03 | Fiber rope high-low temperature fatigue performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400810.8A CN112504884A (en) | 2020-12-03 | 2020-12-03 | Fiber rope high-low temperature fatigue performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112504884A true CN112504884A (en) | 2021-03-16 |
Family
ID=74968248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011400810.8A Pending CN112504884A (en) | 2020-12-03 | 2020-12-03 | Fiber rope high-low temperature fatigue performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112504884A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2030593A (en) * | 2022-01-18 | 2023-01-26 | Univ Southwest Jiaotong | Fatigue test device for elastic sling |
| WO2023072089A1 (en) * | 2021-11-01 | 2023-05-04 | 北京卫星制造厂有限公司 | Device and method for measuring tension stability of workpiece |
-
2020
- 2020-12-03 CN CN202011400810.8A patent/CN112504884A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023072089A1 (en) * | 2021-11-01 | 2023-05-04 | 北京卫星制造厂有限公司 | Device and method for measuring tension stability of workpiece |
| NL2030593A (en) * | 2022-01-18 | 2023-01-26 | Univ Southwest Jiaotong | Fatigue test device for elastic sling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112504884A (en) | Fiber rope high-low temperature fatigue performance testing device | |
| US8413521B2 (en) | Apparatus and method for over-peak loading for creep-rupture testing | |
| CN109163982B (en) | Thermal environment bidirectional loading test equipment and test method | |
| US5377525A (en) | Friction testing apparatus for oscillating at least one specimen in contact with another | |
| CN105466778A (en) | Equipment suitable for multi-environment vacuum test | |
| CN214427197U (en) | Fiber rope high-low temperature fatigue performance testing device | |
| US6112589A (en) | Fiber tester | |
| CN115127933B (en) | Polyurethane material heat-resisting detection device | |
| US8210051B2 (en) | System and method for cyclic testing | |
| US5275057A (en) | Clip gage attachment for frictionless measurement of displacement during high-temperature mechanical testing | |
| KR20030024184A (en) | A Multi-functional Friction and Abrasion Tester of a Rotary Machine Component | |
| JP2001228067A (en) | Material tester | |
| JP2006078384A (en) | Load variable type strength tester | |
| US8210050B2 (en) | Apparatus and system for cyclic testing | |
| CN112730744B (en) | Composite material interface mechanics evaluation device and method based on microdroplet debonding method | |
| CN110672427B (en) | System and method for testing high-temperature mechanical properties of plate in one-way stretching mode | |
| CN110220810B (en) | Reciprocating sliding friction measurement test platform | |
| US20150323437A1 (en) | Apparatus and method to measure durometer hardness at, above, and below room temperature | |
| CN105139725B (en) | A kind of stiction testing machine | |
| CN207703378U (en) | Electronic actuators torsion-testing apparatus | |
| CN114062249B (en) | Prepreg clamping mechanism and device and method for measuring interlayer friction behavior of prepreg clamping mechanism | |
| CN115575225A (en) | Mechanical loading test machine for metal samples | |
| CN106932272A (en) | Water-bath monofilament strength test device and its method of testing | |
| CN111060408B (en) | Strain-controlled thermo-mechanical fatigue performance testing method | |
| RU2704579C1 (en) | Method and device for testing elastic materials with low cross-section when exposed to tension and temperature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |