CN112945695A - Fabric surface freezing-bonding strength testing device and testing method thereof - Google Patents
Fabric surface freezing-bonding strength testing device and testing method thereof Download PDFInfo
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- CN112945695A CN112945695A CN202110221802.5A CN202110221802A CN112945695A CN 112945695 A CN112945695 A CN 112945695A CN 202110221802 A CN202110221802 A CN 202110221802A CN 112945695 A CN112945695 A CN 112945695A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/42—Low-temperature sample treatment, e.g. cryofixation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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Abstract
The invention discloses a device and a method for testing the freezing and bonding strength of the surface of a fabric, wherein the device comprises a sample clamp, an icing cup and an icing cup holder; the sample clamp is provided with a clamp handle, a sample tightening device and a sample supporting frame, wherein the sample tightening device consists of a sample fixing plate, a lifting nut, a lifting screw and a lifting knob; the icing cup is provided with a fabric normal freezing and bonding strength testing clamp handle, a fabric tangential freezing and bonding strength testing clamp handle and an icing cup body, wherein the fabric normal freezing and bonding strength testing clamp handle consists of a flexible clamp handle, a flexible clamp handle fixing device and a fabric normal freezing and bonding strength testing clamp handle metal part. The invention can accurately measure the tangential and normal freezing-bonding strength of the surface of the fabric and provides a reliable basis for evaluating the ice-repelling performance of the fabric.
Description
Technical Field
The invention belongs to the technical field of material anti-icing performance testing, and relates to a device and a method for testing fabric surface freezing-bonding strength.
Background
In a low-temperature environment, water freezes on the surface of an object, which is a common natural phenomenon. The freezing brings inconvenience to the daily production and life of people. Under low temperature environment, obvious icing phenomenon can occur to the fabrics in production and life. After the fabric surface is frozen, the properties such as softness, surface morphology and the like of the fabric are obviously changed, and the changes can cause adverse effects on the application of the fabric. The method can accurately evaluate the freezing and sticking strength of the surface of the fabric and has great significance for developing the fabric with ice-repelling performance. Related researches in China also do not have exploration in the aspect, the proposed method is mostly applied to the evaluation of the anti-icing performance of the surface of the rigid material, and the evaluation method for the anti-icing performance of the surface of the flexible material is complex to operate and has large errors. There is currently no accepted method for testing fabric surface freeze-thaw strength.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device and a method for testing the freezing-bonding strength of the surface of a fabric, which can accurately measure the freezing-bonding strength of the surface of the fabric.
In order to achieve the above object, an embodiment of the present invention provides a fabric surface freezing-bonding strength testing apparatus, which includes
An iced cup holder;
the icing cup is placed on the icing cup frame and comprises an icing cup body, and the bottom and the side of the icing cup body are respectively provided with a fabric normal freezing and bonding strength test clamp handle and a fabric tangential freezing and bonding strength test clamp handle; the fabric normal freezing adhesion strength test clamp handle comprises a flexible clamp handle, a flexible clamp handle fixing device and a fabric normal freezing adhesion strength test clamp handle base;
the sample clamp is arranged above the icing cup and comprises a sample supporting frame, a sample tightening device is arranged on the sample supporting frame, and a fixing clamp handle is arranged at the top end of the sample tightening device.
As an optional implementation manner, the sample tightening device includes a sample fixing plate, a lifting nut, a lifting screw, and a lifting knob, the sample fixing plate is fixedly connected to the lifting nut, the lifting knob is fixedly connected to the lifting screw, a sliding groove for the sample fixing plate to slide is formed in a side portion of the sample supporting frame, and a spine is formed on an edge of the sample fixing plate exposed from the sliding groove and used for fixing a fabric sample.
As an alternative embodiment, the edge of the sample support frame is provided with sharp pricks for fixing the fabric sample so as to ensure that the fabric is stressed uniformly.
As an optional implementation mode, the flexible clamp handle fixing device comprises a fixing nut, a fixing screw and a fixing metal sheet, wherein circular holes are formed in the fixing metal sheet, the flexible clamp handle and the fabric normal direction freezing adhesion strength test clamp handle base, the fixing metal sheet and the fabric normal direction freezing adhesion strength test clamp handle base are provided with anti-skidding designs, the lower end of the flexible clamp handle is divided into two pieces, the fabric normal direction freezing adhesion strength test clamp handle base is arranged between the two pieces at the lower end of the flexible clamp handle, and the fixing screw penetrates through the circular holes in the fixing metal sheet, the flexible clamp handle and the fabric normal direction freezing adhesion strength test clamp handle base and then is fixed with the fixing nut in a screwed mode.
As an alternative embodiment, the clamping handle in the sample clamp and the clamped part of the fabric tangential freezing and sticking strength test clamping handle on the icing cup are both of anti-slip design.
As an alternative embodiment, an anti-slip rod is provided in the ice forming cup to prevent ice from slipping out of the ice forming cup.
The embodiment of the invention also provides a fabric surface freezing-bonding strength testing method corresponding to the testing device, which is applied to the fabric surface freezing-bonding strength testing device and comprises the following steps:
fixing two long ends of a fabric to be detected on fixing spines of a sample fixing plate in a sample clamp, and rotating a lifting knob to tighten the fabric to be detected;
fixing two short ends of the fabric to be tested on the fixing spines of the sample supporting frame in the sample clamp;
placing the icing cup on the icing cup frame with the cup mouth facing upwards, and adding a preset amount of distilled water into the icing cup body of the icing cup;
fourthly, the sample clamp with the fabric sample to be tested is reversely buckled on the mouth of the ice-forming cup, and the fabric sample to be tested is kept in contact with the surface of the distilled water;
placing the testing device in a temperature environment for freezing;
and sixthly, after freezing for a preset time, taking out the testing device, and respectively installing the clamp handle on the sample clamp and the flexible clamp handle on the fabric normal freezing adhesion strength testing clamp handle on an upper clamp and a lower clamp of a universal strength machine for tensile test, wherein the obtained data is the normal freezing adhesion strength of the fabric to be tested.
Corresponding to the testing device, the embodiment of the invention also provides a fabric surface freezing-bonding strength testing method, which is applied to the fabric surface freezing-bonding strength testing device, and the testing method comprises the following steps:
placing an icing cup with an upward cup mouth on an icing cup frame, and adding a preset amount of distilled water into an icing cup body of the icing cup;
flatly placing the fabric to be tested on the cup mouth of the icing cup, keeping the fabric sample to be tested in contact with the surface of distilled water, and enabling the fabric to be tested to at least have a free end which extends out of the cup mouth of the icing cup and is opposite to the fabric tangential freezing adhesion strength test clamping handle;
thirdly, the testing device is arranged in a temperature environment for freezing;
and fourthly, after freezing for a preset time, taking out the testing device, and respectively installing the free end of the fabric to be tested and the fabric tangential freezing and bonding strength testing clamp handle on an upper clamp and a lower clamp of a universal strength machine for tensile force testing, wherein the obtained data is the normal freezing and bonding strength of the fabric to be tested.
The invention has the following beneficial effects:
1) the fabric surface freezing and bonding strength testing device reflects the ice-repelling performance of a sample in a force measuring mode, and is simple in structure, convenient to operate and extremely high in practicability;
2) the fabric surface freezing-bonding strength testing device can test the normal and tangential freezing-bonding strengths of a sample;
3) the clamp of the fabric surface freezing-bonding strength testing device is specially designed for flexible materials, and can well fix a flexible sample in the testing process, so that errors generated by testing are greatly reduced;
4) when the fabric surface freezing-adhesion strength testing device is used for testing, the clamping handles arranged at the two ends of the upper clamp and the lower clamp of the universal strength machine are rigid at one end and flexible at the other end, so that the separation between a sample and an icing cup caused when the fabric surface freezing-adhesion strength testing device is arranged on the clamp of the universal strength machine is avoided.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments:
FIG. 1 is a schematic structural diagram of a sample clamp and an icing cup of the fabric surface freezing-adhesion strength testing device, wherein FIG. 1a is an icing cup, and FIG. 1b is a sample clamp;
FIG. 2 is a schematic structural view of an icing cup holder of the fabric surface freezing and bonding strength testing device according to the present invention;
FIG. 3 shows two sample sizes of the device for testing the freezing-bonding strength of the surface of the fabric, wherein a in FIG. 3 is the size of the normal freezing-bonding strength test sample of the surface of the fabric, and b is the size of the tangential freezing-bonding strength test sample of the surface of the fabric;
fig. 4 is a schematic view of the installation condition of the sample of the fabric surface freezing-bonding strength testing device.
Fig. 5 is a schematic diagram of the testing process of the fabric surface freezing-bonding strength testing device.
In the figure, 1, a sample holder; 2. a freezing cup; 1-1, fixing a clamp handle; 1-2, a sample tightening device; 1-3, a sample support frame; 1-2-1, a sample fixing plate; 1-2-2, lifting nut; 1-2-3, lifting screws; 1-2-4, a lifting knob; 2-1, testing the clamp handle by normal freezing and sticking strength of the fabric; 2-2, testing the clamp handle by using the tangential freezing and sticking strength of the fabric; 2-3, forming an ice cup body; 2-1-1, a flexible clamp handle; 2-1-2, a flexible clamp handle fixing device; 2-1-3, and testing the normal freezing and sticking strength of the fabric.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
in order to achieve the above object, referring to fig. 1, 2 and 3, an embodiment of the present invention provides a fabric surface freeze-adhesion strength testing apparatus, which includes
An iced cup holder 3;
the icing cup 2 is placed on the icing cup frame 3, the icing cup 2 comprises an icing cup body 2-3, and the bottom and the side of the icing cup body 2-3 are respectively provided with a fabric normal freezing and bonding strength test clamp handle 2-1 and a fabric tangential freezing and bonding strength test clamp handle 2-2; the clamp handle 2-1 for testing the normal freezing adhesion strength of the fabric comprises a flexible clamp handle 2-1-1, a flexible clamp handle fixing device 2-1-2 and a clamp handle base 2-1-3 for testing the normal freezing adhesion strength of the fabric;
the sample clamp 1 is arranged above the icing cup 2, the sample clamp 1 comprises a sample supporting frame 1-3, a sample tightening device 1-2 is arranged on the sample supporting frame 1-3, and a fixed clamp handle 1-1 is arranged at the top end of the sample tightening device 1-2.
As an alternative embodiment, the sample tightening device 1-2 includes a sample fixing plate 1-2-1, a lifting nut 1-2-2, a lifting screw 1-2-3, and a lifting knob 1-2-4, where the sample fixing plate 1-2-1 is fixedly connected to the lifting nut 1-2-2, the lifting knob 1-2-4 is fixedly connected to the lifting screw 1-2-2, a sliding slot for the sample fixing plate 1-2-1 to slide is formed in a side portion of the sample supporting frame 1-3, and a spine is formed on an edge of the sample fixing plate 1-2-1 exposed from the sliding slot to fix a fabric sample. Therefore, the sample fixing plate 1-2-1 can be driven to lift up and down by rotating the lifting knob 1-2-4, so that the fabric to be detected is tightened and fixed on the sample clamp 1.
As an alternative embodiment, the edges of the sample supporting frames 1-3 are provided with sharp pricks for fixing the fabric sample, so that the fabric is stressed uniformly, and the sample is prevented from being stressed seriously unevenly during the test process.
As an optional implementation mode, the flexible clamp holder fixing device 2-1-2 comprises a fixing nut, a fixing screw and a fixing metal sheet, round holes are formed in the fixing metal sheet, the flexible clamp holder 2-1-1 and the fabric normal direction freezing adhesion strength test clamp holder base 2-1-3, the fixing metal sheet and the fabric normal direction freezing adhesion strength test clamp holder base 2-1-3 are provided with anti-slip designs, the lower end of the flexible clamp holder 2-1-1 is divided into two pieces, the fabric normal direction freezing adhesion strength test clamp holder base 2-1-3 is arranged between the two pieces at the lower end of the flexible clamp holder 2-1-1, and the fixing screw penetrates through the fixing metal sheet, the flexible clamp handle 2-1-1 and a round hole on the fabric normal direction freezing adhesion strength test clamp handle base 2-1-3 and then is fixed with the fixing nut in a threaded connection mode.
As an alternative embodiment, the clamped parts of the clamp handle 1-1 in the sample clamp 1 and the fabric tangential freezing and sticking strength test clamp handle 2-2 on the icing cup 2 are both of anti-slip design.
As an alternative embodiment, an anti-slip rod is arranged in the ice forming cup body 2-3 in the ice forming cup 2 to prevent ice from slipping out of the ice forming cup body 2-3.
Optionally, six clamping handle sockets are arranged on the icing cup holder 3, and can be used for accommodating six icing cups 2 at the same time.
For example, the effective test area of the sample support frame 1-3 of the sample clamp 1 is 50 × 50mm, the effective length of the clamp handle 1-1 is 50mm, the width is 50mm, the thickness is 1mm, and the up-down effective movable range of the sample fixing plate 1-2-1 in the sample tightening device 1-2 is 0-10 mm.
For example, the fabric normal freezing adhesion strength test clamp handle base 2-1-3 in the fabric normal freezing adhesion strength test clamp handle 2-1 on the icing cup 2 is 30mm in length, 50mm in width and 1mm in thickness and is fixed at the middle position of the bottom of the icing cup body, the non-split part of the flexible clamp handle 2-1-1 part in the fabric normal freezing adhesion strength test clamp handle 2-1 on the icing cup 2 is 30mm in length, 30mm in length of the split part, 50mm in width and 1mm in thickness of each part, 50mm in length, 50mm in width and 1mm in thickness of the fabric tangential freezing adhesion strength test clamp handle 2-2 on the icing cup 2, 1mm in thickness and fixed at the edge of the opening of the icing cup body 2-3, 40mm in effective depth of the icing cup body 2-3, 50mm in length and 50mm in width.
For example, the ice cup holder 3 has a cup-carrying horizontal platform portion with a length of 210mm and a width of 140mm, and is composed of 6 square areas with a size of 70 × 70mm, a holder insertion hole is arranged in the middle of each square area, and the support frame portion of the ice cup holder 3 has a length of 50mm and a width of 140 mm.
Corresponding to the testing device, as shown in fig. 4 to 5, an embodiment of the present invention further provides a fabric surface freeze-adhesion strength testing method, which is applied to the fabric surface freeze-adhesion strength testing device, and the testing method includes:
fixing two long ends of a fabric to be detected on fixing spines of a sample fixing plate 1-2-1 in a sample clamp 1, and tightening the fabric to be detected by rotating a lifting knob 1-2-4;
fixing two short ends of the fabric to be tested on fixing spines of the sample supporting frame 1-3 in the sample clamp 1;
placing the ice forming cup 2 on the ice forming cup holder 3 with the cup mouth facing upwards, and adding a preset amount of distilled water into the ice forming cup body 2-3 of the ice forming cup 2;
fourthly, the sample clamp 1 with the fabric sample to be tested is buckled on the mouth of the ice-forming cup 2 in an inverted mode, and the fabric sample to be tested is kept in contact with the surface of the distilled water;
placing the testing device in an environment with the temperature of-20 ℃ for freezing;
after freezing for a preset time, taking out the testing device, and respectively installing the clamp handle 1-1 on the sample clamp 1 and the flexible clamp handle 2-1-1 on the fabric normal freezing adhesion strength testing clamp handle 2-1 on an upper clamp and a lower clamp of a universal strength machine for tensile test, wherein the obtained data is the normal freezing adhesion strength of the fabric to be tested.
Corresponding to the testing device, as shown in fig. 4 to 5, an embodiment of the present invention further provides a fabric surface freeze-adhesion strength testing method, which is applied to the fabric surface freeze-adhesion strength testing device, where the testing method includes:
placing an icing cup 2 on the icing cup holder 3 with the cup mouth facing upwards, and adding a preset amount of distilled water into an icing cup body 2-3 of the icing cup 2;
flatly placing the fabric to be tested on the cup mouth of the icing cup 2, keeping the fabric sample to be tested in contact with the surface of the distilled water, and enabling the fabric to be tested to at least have a free end which extends out of the cup mouth of the icing cup 2 and is opposite to the fabric tangential freezing adhesion strength test clamping handle 2-2;
thirdly, the testing device is arranged in an environment with the temperature of-20 ℃ for freezing;
and fourthly, after freezing for a preset time, taking out the testing device, respectively installing the free end of the fabric to be tested and the fabric tangential freezing and bonding strength testing clamp handle 2-2 on an upper clamp and a lower clamp of a universal strength machine for tensile force testing, and obtaining data, namely the normal freezing and bonding strength of the fabric to be tested.
Example 1:
the testing method of the fabric surface freezing-bonding strength testing device comprises the following steps:
1) cutting five pieces of fabrics to be tested as samples for normal freezing and bonding strength test of the fabric surface;
2) fixing two long ends of a fabric to be tested on fixing spines of a sample fixing plate 1-2-1 in a sample clamp 1, and tightening the fabric to be tested by rotating a lifting knob 1-2-4;
3) fixing two short ends of a fabric to be detected on fixing spines of a sample supporting frame 1-3 in a sample clamp 1;
4) the cup mouth of the icing cup 2 is upward, the fabric normal freezing adhesion strength test clamping handle base 2-1-3 is inserted into the clamping handle socket of the icing cup holder 3, the icing cup 2 is erected on the icing cup holder 3, and then distilled water is added into the icing cup body 2-3 of the icing cup 2 until the water depth is 37-38 mm;
5) after aligning, reversely buckling the sample clamp 1 with the fabric sample to be detected on the cup mouth of the icing cup 2 to finish sample preparation, and processing five fabric samples to be detected by the same method;
6) placing the fabric surface freezing and bonding strength testing device into a refrigerator with the temperature of 20 ℃ below zero for freezing for 3 hours;
7) after freezing for 3 hours, taking the fabric surface freezing-adhesion strength testing device out of a refrigerator, respectively installing the clamp handle 1-1 on the sample clamp 1 and the flexible clamp handle 2-1-1 part on the fabric normal freezing-adhesion strength testing clamp handle 2-1 on an upper clamp and a lower clamp of a universal strength machine for testing, and taking the average value of five groups of data to be the normal freezing-adhesion strength of the fabric to be tested;
example 2:
1) cutting five pieces of 50mm multiplied by 250mm fabrics to be tested as samples for testing the tangential freezing and sticking strength of the fabrics, and marking transverse lines at positions 100mm and 150mm away from the edge at one end of the sample respectively;
2) the cup mouth of the icing cup 2 is upward, the fabric normal freezing adhesion strength test clamping handle base 2-1-3 is inserted into the clamping handle socket of the icing cup holder 3, the icing cup 2 is erected on the icing cup holder 3, and then distilled water is added into the icing cup body 2-3 of the icing cup 2 until the water depth is 37-38 mm;
3) aligning two mark lines of a sample to be detected with the cup mouth of the icing cup 2, flatly placing the mark lines on the cup mouth of the icing cup 2 to complete sample preparation, and processing five pieces of fabrics to be detected by the same method;
4) placing the fabric surface freezing and bonding strength testing device into a refrigerator with the temperature of 20 ℃ below zero for freezing for 3 hours;
5) and after freezing for 3 hours, taking the fabric surface freezing-bonding strength testing device out of the refrigerator, respectively installing the free end of the fabric to be tested and the fabric tangential freezing-bonding strength testing clamp handles 2-2 on an upper clamp and a lower clamp of a universal strength machine for testing, and taking the average value of the five groups of data to obtain the normal freezing-bonding strength of the fabric to be tested.
The invention has at least the following advantages:
1) the fabric surface freezing and bonding strength testing device reflects the ice-repelling performance of a sample in a force measuring mode, and is simple in structure, convenient to operate and extremely high in practicability;
2) the fabric surface freezing-bonding strength testing device can test the normal and tangential freezing-bonding strengths of a sample;
3) the clamp of the fabric surface freezing-bonding strength testing device is specially designed for flexible materials, and can well fix a flexible sample in the testing process, so that errors generated by testing are greatly reduced;
4) when the fabric surface freezing-adhesion strength testing device is used for testing, the clamping handles arranged at the two ends of the upper clamp and the lower clamp of the universal strength machine are rigid at one end and flexible at the other end, so that the separation between a sample and an icing cup caused when the fabric surface freezing-adhesion strength testing device is arranged on the clamp of the universal strength machine is avoided.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the present disclosure, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present disclosure as described above, which are not provided in detail for the sake of brevity.
The disclosed embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made within the spirit and principles of the embodiments of the disclosure are intended to be included within the scope of the disclosure.
Claims (8)
1. The device for testing the freezing and bonding strength of the surface of the fabric is characterized by comprising
An iced cup holder (3);
the icing cup (2) is placed on the icing cup holder (3), the icing cup (2) comprises an icing cup body (2-3), and the bottom and the side of the icing cup body (2-3) are respectively provided with a fabric normal freezing and bonding strength test clamp handle (2-1) and a fabric tangential freezing and bonding strength test clamp handle (2-2); the fabric normal freezing-adhesion strength test clamp handle (2-1) comprises a flexible clamp handle (2-1-1), a flexible clamp handle fixing device (2-1-2) and a fabric normal freezing-adhesion strength test clamp handle base (2-1-3);
the sample clamp (1) is arranged above the icing cup (2), the sample clamp (1) comprises a sample supporting frame (1-3), a sample tightening device (1-2) is arranged on the sample supporting frame (1-3), and a fixed clamp handle (1-1) is arranged at the top end of the sample tightening device (1-2).
2. The fabric surface freeze-adhesion strength test device according to claim 1, the sample tightening device (1-2) comprises a sample fixing plate (1-2-1), a lifting nut (1-2-2), a lifting screw (1-2-3) and a lifting knob (1-2-4), the sample fixing plate (1-2-1) is fixedly connected with the lifting nut (1-2-2), the lifting knob (1-2-4) is fixedly connected with the lifting screw (1-2-2), the lateral part of the sample supporting frame (1-3) is provided with a sliding chute for the sample fixing plate (1-2-1) to slide, and the edge of the sample fixing plate (1-2-1) exposed from the sliding chute is provided with a sharp thorn for fixing a fabric sample.
3. The fabric surface freezing-bonding strength testing device according to claim 1, wherein the edges of the sample supporting frame (1-3) are provided with sharp pricks for fixing the fabric sample so as to make the fabric uniformly stressed.
4. The fabric surface freezing adhesion strength testing device according to claim 1, wherein the flexible clamp holder fixing device (2-1-2) comprises a fixing nut, a fixing screw and a fixing metal sheet, the flexible clamp holder (2-1-1) and the fabric normal freezing adhesion strength testing clamp holder base (2-1-3) are all provided with round holes, the fixing metal sheet and the fabric normal freezing adhesion strength testing clamp holder base (2-1-3) are all provided with anti-slip designs, the lower end of the flexible clamp holder (2-1-1) is divided into two pieces, the fabric normal freezing adhesion strength testing clamp holder base (2-1-3) is arranged between the two pieces at the lower end of the flexible clamp holder (2-1-1), and the fixing screw penetrates through the fixing metal sheet, the flexible clamp holder (2-1-1) and the fabric normal freezing adhesion strength testing clamp holder base (2-1-3) The upper round hole is fixed with a fixed nut in a threaded manner.
5. The fabric surface freezing and sticking strength testing device is characterized in that the clamping handles (1-1) in the sample clamp (1) and the clamped parts of the fabric tangential freezing and sticking strength testing clamping handles (2-2) on the icing cup (2) are of anti-slip design.
6. The fabric surface freeze-adhesion strength test device according to claim 1, wherein an anti-slip rod is provided in the ice forming cup body (2-3) in the ice forming cup (2) to prevent ice from slipping out of the ice forming cup body (2-3).
7. A fabric surface freeze-adhesion strength test method applied to the fabric surface freeze-adhesion strength test device according to claims 1 to 6, the test method comprising:
1) fixing two long ends of a fabric to be tested on fixing spines of a sample fixing plate (1-2-1) in a sample clamp (1), and tightening the fabric to be tested by rotating a lifting knob (1-2-4);
2) fixing two short ends of a fabric to be detected on fixing spines of a sample supporting frame (1-3) in a sample clamp (1);
3) placing the icing cup (2) on the icing cup holder (3) with the cup mouth facing upwards, and adding a preset amount of distilled water into the icing cup body (2-3) of the icing cup (2);
4) the sample clamp (1) with the fabric sample to be tested is buckled on the cup mouth of the icing cup (2) in an inverted mode, and the fabric sample to be tested is kept in contact with the surface of distilled water;
5) placing the test device in an environment at-20 ℃ for freezing;
6) and after freezing for a preset time, taking out the testing device, and respectively installing the clamp handle (1-1) on the sample clamp (1) and the flexible clamp handle (2-1-1) on the fabric normal freezing adhesion strength testing clamp handle (2-1) on an upper clamp and a lower clamp of a universal strength machine for tensile testing, wherein the obtained data is the normal freezing adhesion strength of the fabric to be tested.
8. A fabric surface freeze-adhesion strength test method applied to the fabric surface freeze-adhesion strength test device according to claims 1 to 6, the test method comprising:
1) placing the icing cup (2) on the icing cup holder (3) with the cup mouth facing upwards, and adding a preset amount of distilled water into the icing cup body (2-3) of the icing cup (2);
2) flatly placing the fabric to be tested on the cup mouth of the icing cup (2), keeping the fabric sample to be tested in contact with the surface of distilled water, and enabling the fabric to be tested to at least have a free end which extends out of the cup mouth of the icing cup (2) and is opposite to the fabric tangential freezing and sticking strength test clamping handle (2-2);
3) placing the test device in an environment at-20 ℃ for freezing;
4) and after freezing for a preset time, taking out the testing device, and respectively installing the free end of the fabric to be tested and the fabric tangential freezing and bonding strength testing clamp handle (2-2) on an upper clamp and a lower clamp of a universal strength machine for tensile force testing, wherein the obtained data is the normal freezing and bonding strength of the fabric to be tested.
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