An equidistant retractable fabric sampler and method of sampling

Abstract

The embodiment of the present application provides an equal-distance telescopic fabric sampler and a sampling method, the sampler comprising: a fixing mechanism with oppositely arranged first and second rod bodies; a telescopic mechanism arranged between the first and second rod bodies and capable of moving relative to the first and second rod bodies to make the telescopic mechanism present a telescopic state; a vertical ruler module comprising a plurality of vertical rulers, the plurality of vertical rulers are connected with the first and second rod bodies and the telescopic mechanism to be capable of moving relative to the first and second rod bodies under the driving of the telescopic mechanism, thereby uniformly adjusting the interval between two adjacent vertical rulers, and making the interval between any two adjacent vertical rulers equal. The equal-distance telescopic fabric sampler of the present application can quickly and accurately perform high requirement detection sampling of textiles.

Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to the technical field of textile detection, in particular to an equidistance telescopic fabric sampler and sampling method. BACKGROUND

[0002] With the development of science and technology, the degree of automation gradually penetrates into people's clothing, food, shelter and living, and various automatic detectors are applied more and more widely in the detection industry. Compared with sample detection in other industries, textile detection involves manual sampling and intelligent sampling in the sample preparation process, but most of them are still based on manual sampling, and the tools are limited to steel ruler and marking pen, and the sampling efficiency is extremely low. The intelligent sampling device is suitable for detection projects with low requirements for unit area quality, pilling, formaldehyde, pH and warp and weft yarns, but it is difficult to play a role in detection projects with high requirements for breaking strength, tearing strength, capillary effect and warp and weft yarns, and the advantages cannot be reflected, so that the detection personnel can only use manual sampling.

[0003] Based on the above content, the disadvantages and reasons of the prior art include:

[0004] 1. Manual sampling method, when drawing the second point of each line, the ruler needs to be manually translated, which cannot guarantee that the positions of the ruler are completely parallel at two times, resulting in that the widths of two ends of each sample are inconsistent, the sample is discarded, and manual calculation of the width of each strength strip is time-consuming and prone to errors.

[0005] 2. Intelligent sampling method, the intelligent sampling device is used for sampling, but the intelligent sampling device is suitable for detection projects with low requirements for unit area quality, pilling, formaldehyde, pH and warp and weft yarns, but it is difficult to play a role in detection projects with high requirements for breaking strength, tearing strength, capillary effect and warp and weft yarns, and the advantages cannot be reflected.

[0006] Therefore, it is an important problem to be solved in the process of textile sample detection to accurately and quickly sample and significantly improve the work efficiency of sample processing. SUMMARY

[0007] The present application provides an equidistance telescopic fabric sampler and sampling method which can quickly and accurately sample high requirement detection of textile.

[0008] In order to solve the above technical problems, the embodiment of the present application provides an equidistance telescopic fabric sampler, which comprises:

[0009] The fixing mechanism has a first rod body and a second rod body arranged oppositely;

[0010] The telescopic mechanism is arranged between the first rod body and the second rod body and can move relative to the first rod body and the second rod body, so that the telescopic mechanism presents a telescopic state.

[0011] The vertical ruler module comprises a plurality of vertical rulers, each of which is connected to the first rod body, the second rod body and the telescopic mechanism, so as to be moved relative to the first rod body and the second rod body under the driving of the telescopic mechanism, and to uniformly adjust the distance between two adjacent vertical rulers, so that the distance between any two adjacent vertical rulers is equal.

[0012] In some embodiments, a fixing device is further included, which is arranged on the fixing mechanism or detachably connected to the fixing mechanism, so that the fixing mechanism can be fixed in position.

[0013] In some embodiments, a driver is further included, which is connected to the telescopic mechanism to drive the telescopic mechanism to move relative to the first rod body and the second rod body.

[0014] In some embodiments, a sensor assembly and a controller are further included, the driver and the sensor assembly are connected to the controller, the sensor assembly is used to sense the distance between the vertical rulers and the current position information of the telescopic mechanism relative to the fixing mechanism, and the controller is used to control the driver to operate according to the obtained distance information and the current position information of the telescopic mechanism relative to the fixing mechanism, so as to drive the telescopic mechanism by the driver to match the distance between the two adjacent vertical rulers with the distance information.

[0015] In some embodiments, the fixing mechanism further comprises a third rod body connected to the first rod body and the second rod body to form a U-shaped ruler.

[0016] In some embodiments, a strip-shaped sliding rail is arranged on the first rod body and the second rod body along the moving direction of the telescopic mechanism, and the telescopic mechanism and the vertical rulers are connected to the strip-shaped sliding rail.

[0017] In some embodiments, the telescopic mechanism comprises a plurality of strip-shaped two-hole connecting pieces and three-hole connecting pieces, the plurality of two-hole connecting pieces and three-hole connecting pieces are combined to form a plurality of interconnected telescopic units, and the center point of each telescopic unit is connected to the sliding rail, so that the center point can drive the telescopic unit to expand horizontally or vertically when moving along the sliding rail.

[0018] In some embodiments, the telescopic unit comprises a first three-hole connecting piece and a second three-hole connecting piece connected in cross, the cross connection of the first three-hole connecting piece and the second three-hole connecting piece is connected to the strip-shaped sliding rail, two adjacent telescopic units are connected by the first three-hole connecting piece and the second three-hole connecting piece, and the telescopic unit at the end further comprises one end connected to the strip-shaped sliding rail and the other end connected to the corresponding first three-hole connecting piece and second three-hole connecting piece, respectively.

[0019] The connecting plates connected with the strip-shaped slide rail are connected by hexagonal clamping screw nuts, and the connecting plates not connected with the strip-shaped slide rail are connected by butterfly screw nuts.

[0020] In some embodiments, the first rod body and / or the second rod body are provided with scales; or

[0021] The third rod body and the vertical bar ruler are telescopic rods, and the third rod body and the vertical bar ruler are provided with scales.

[0022] Another embodiment of the present application also provides a sampling method, comprising:

[0023] Fixing the equidistant telescopic fabric sampler;

[0024] Inputting interval information into the controller, the interval information representing the interval size required between the vertical bar rulers finally;

[0025] Sensing the position information of the telescopic mechanism relative to the fixing mechanism, the position information including the position information of each connecting point in the telescopic mechanism connected with the fixing mechanism, and the position information of each connecting point being consistent with the position information of each vertical bar ruler relative to the fixing mechanism;

[0026] Determining a driving strategy based on the interval information and the position information;

[0027] Driving the driver to operate based on the driving strategy, so as to drive the telescopic mechanism to move by the driver, drive multiple vertical bar rulers to reach the specified positions, and ensure that the interval between two adjacent vertical bar rulers matches the interval information;

[0028] Cutting and sampling the textile based on the interval between the multiple vertical bar rulers.

[0029] Based on the disclosure of the above embodiments, it can be known that the embodiments of the present application have the beneficial effects including that the preparation of the sampler can be completed by setting the fixing mechanism, the telescopic mechanism and the vertical bar ruler, which is simple and convenient. The embodiment scheme realizes the equidistance linkage effect of multiple vertical bar rulers by using the telescopic mechanism, solves the technical problem that manual sample preparation cannot quickly draw parallel lines in the existing textile detection, realizes equidistance sampling, and based on the embodiment method, the movement of multiple vertical bar rulers can be completed at one time, so that the multiple vertical bar rulers are arranged equidistantly, and then the effect of drawing multiple parallel equidistance straight lines at one time is realized, the accuracy and efficiency of drawing lines are improved, that is, the sampling efficiency is improved. At the same time, compared with the intelligent cutter, the problem of poor applicability of detection items with high warp and weft direction yarn requirements is solved, so that the sampling device of the embodiment has a wide range of applications.

[0030] Other features and advantages of the present application will be set forth in the description that follows, and in part will be apparent from the description, or can be learned by practice of the application. The purposes and other advantages of the present application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0031] The technical solutions of the present application are described in detail below with the aid of the accompanying drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0033] Figure 1 The structure diagram of the equidistance stretchable fabric sampler in the embodiment of the present application.

[0034] Figure 2 The structure diagram of the stretchable mechanism of the equidistance stretchable fabric sampler in the embodiment of the present application.

[0035] Figure 3 The structure diagram of the sample cutting device in the embodiment of the present application.

[0036] Figure 4 The flowchart of the sampling method in the embodiment of the present application.

[0037] Reference signs:

[0038] 1 - fixed mechanism; 2 - stretchable mechanism; 3 - vertical ruler; 4 - first rod; 5 - second rod; 6 - third rod; 7 - two-hole connecting plate; 8 - three-hole connecting plate; 9 - strip-shaped sliding rail; 10 - sample cutting sliding rail; 11 - cutter device. DETAILED DESCRIPTION

[0039] The specific embodiments of the present application will be described in detail below with the aid of the accompanying drawings, but not as a limitation of the present application.

[0040] It should be understood that various modifications can be made to the embodiments disclosed herein. Therefore, the following description should not be considered limiting, but merely as an example of the embodiments. Those skilled in the art will think of other modifications within the scope of the present disclosure.

[0041] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and, together with the general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the present disclosure.

[0042] These and other characteristics of the present application will become apparent from the following description of the preferred forms given, by way of non-limiting example, with reference to the attached drawings.

[0043] It is also to be understood that even though a number of embodiments of the application have been described herein, the application covers all possible combinations and sub-combinations of the various elements and features described herein.

[0044] The above and other aspects, features, and advantages of the present disclosure will become more apparent from the following detailed description, taken in conjunction with the accompanying drawings, when properly considered together.

[0045] Specific embodiments of the present disclosure will be described hereinafter with reference to the accompanying drawings; however, it will be understood that the disclosed embodiments are merely examples of the present disclosure, which can be implemented in numerous ways. Well-known and / or repetitive functions and structures are not described in detail to avoid obscuring the present disclosure unnecessarily. Therefore, specific structural and functional details disclosed herein are not intended to limit the present disclosure, but merely as a basis for the claims and a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriate detailed structure.

[0046] The specification can use phrases like "in one embodiment", "in another embodiment", "in yet another embodiment", or "in other embodiments", which can refer to one or more of the same or different embodiments under the present disclosure.

[0047] Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

[0048] In the textile strip sample method for tensile strength, because the textile is soft in texture, the marking pen is mostly thick, and it is not easy to draw lines, which can easily cause size deviation when two points are connected on the textile due to thick pen lines, so that the sample strip obtained by cutting the sample fails to peel enough through the specified size and is discarded. In the usual sample preparation process, when the organization is too tight or the surface of the fabric is coated with fabric, the sample cannot be taken according to the requirement of the standard width of 6 cm, and the width should be appropriately reduced. When drawing points at one time, the interval points set often cannot fall on the whole centimeter number, and manual calculation of the distance is required before drawing points, which is a complicated process and is prone to errors.

[0049] To solve the above problems, as shown in Figure 1 The embodiment of the present application provides an equal-distance telescopic fabric sampler, which comprises:

[0050] The fixing mechanism 1 has a first rod body 4 and a second rod body 5 arranged oppositely.

[0051] The telescopic mechanism 2 is arranged between the first rod body 4 and the second rod body 5 and can move relative to the first rod body 4 and the second rod body 5, so that the telescopic mechanism 2 presents a telescopic state.

[0052] The vertical ruler module includes a plurality of vertical rulers 3, and each of the vertical rulers 3 is connected to the first rod body 4, the second rod body 5 and the telescopic mechanism 2, so as to be driven by the telescopic mechanism 2 to move relative to the first rod body 4 and the second rod body 5, thereby uniformly adjusting the spacing between two adjacent vertical rulers 3, so that the spacing between any two adjacent vertical rulers 3 is equal.

[0053] Based on the above embodiment, the scheme can complete the preparation of the sampler by arranging the fixing mechanism 1, the telescopic mechanism 2 and the vertical ruler 3, which is simple and convenient. The embodiment scheme realizes the equal-distance linkage effect of the plurality of vertical rulers 3 by using the telescopic mechanism 2, that is, by driving the telescopic mechanism 2 to move, all the vertical rulers 3 connected to the telescopic mechanism 2 can be uniformly moved, and the spacing between the plurality of vertical rulers 3 after moving can be ensured to be the same, without manual adjustment one by one, effectively solving the technical problem that manual sample preparation cannot quickly draw parallel lines in the existing textile detection to realize equal-distance sampling.

[0054] Moreover, the method of the embodiment can complete the movement of the plurality of vertical rulers 3 at one time, so that the plurality of vertical rulers 3 are arranged at equal distances, thereby assisting the staff to realize the effect of positioning and drawing a plurality of parallel and equal-distance straight lines at one time, improving the accuracy and efficiency of drawing lines, that is, improving the sampling efficiency. At the same time, compared with the intelligent cutter, the problem of poor applicability of detection items with high warp and weft direction yarn requirements is solved, so that the sampler of the embodiment has a wide range of applications. In addition, the sampler of the embodiment can quickly draw a plurality of cutting lines on the textile, and can support adjusting the width of each sample to the required width according to the tightness or coating of the textile, so as to ensure that the shape and size of each sample after cutting are the same, and the cutting lines are parallel to each other, so that each test sample after cutting can be peeled off according to the standard requirements under the specified size.

[0055] In an embodiment, the sampler further includes a fixer arranged on the fixing mechanism 1 or detachably connected with the fixing mechanism 1, so that the fixing mechanism 1 can be fixed in position.

[0056] For example, the fixer can be a rubber pad or a rubber plug shaped like a horn, which is arranged at the top corner of the same side of the fixing mechanism 1, and when the fixing mechanism 1 is placed on a table top or a table top, the fixing mechanism 1 can be fixed on the table top or the table top by the arranged rubber pad or the rubber plug with a certain negative pressure adsorption. Alternatively, the fixer can also be a base with a sliding groove, and the bottom of the fixing mechanism 1 can be provided with a sliding block, based on which the fixing mechanism 1 can be slidably inserted into the sliding groove of the base, so that the fixing mechanism 1 can be vertically arranged on the base, facilitating the sampling of the textile sample by the staff at different angles.

[0057] The driving mechanism can be manually driven by human or electrically driven. For example, in another embodiment, the sample cutter further comprises a driver, which is an electrically driven driver connected to the telescopic mechanism 2 for driving the telescopic mechanism 2 to move relative to the first rod body 4 and the second rod body 5.

[0058] For the electrically driven driver, in order to more conveniently drive the driver, the sampler further comprises a sensor assembly and a controller, the driver and the sensor assembly are connected to the controller, the sensor assembly is used to sense the interval between the vertical bars 3 and the current position information of the telescopic mechanism 2 relative to the fixing mechanism 1, and the controller is used to control the driver to operate according to the obtained interval information and the current position information of the telescopic mechanism 2 relative to the fixing mechanism 1, so as to drive the telescopic mechanism 2 by the driver, so that the interval between the adjacent two vertical bars 3 matches the interval information.

[0059] For example, the driver in the embodiment can be a driving cylinder, and the sensor assembly can be arranged on the fixing mechanism 1 or at the connecting points of the telescopic mechanism 2 corresponding to the fixing mechanism 1, for accurately sensing the position of each connecting point of the telescopic mechanism 2 relative to the fixing mechanism 1, and then determining the position of each vertical bar 3 relative to the fixing mechanism 1. The interval information can be the interval information of the expected interval input by the staff, which is the same as the final sample width. When the controller obtains the final interval information and the current position information, it can comprehensively analyze and calculate the moving distance and direction of the telescopic mechanism 2, and control the driver to drive based on the moving distance and direction, such as driving the telescopic rod of the driving cylinder to move a target distance in the extension direction or a target distance in the retraction direction. When the driving of the driver is completed, the controller can detect whether the interval between the current vertical bars 3 meets the interval shown in the interval information based on the position information of the current vertical bars 3 sensed by the sensor assembly, if it meets, stop driving, if it does not meet, calculate the position difference, and based on the position difference, calculate and determine the moving distance and direction of the driving again, and continue to drive the driver accordingly, until the interval between the vertical bars 3 matches the interval shown in the interval information.

[0060] Continuing to combine Figure 1 As shown, the fixing mechanism 1 in the embodiment further comprises a third rod body 6 connected with the first rod body 4 and the second rod body 5 to form a U-shaped ruler.

[0061] Among them, the first rod body 4 and the second rod body 5 are provided with a strip-shaped sliding rail 9 along the moving direction of the telescopic mechanism 2, and the telescopic mechanism 2 and the vertical ruler 3 are connected with the strip-shaped sliding rail 9. The strip-shaped sliding rail 9 can be a strip-shaped track or a strip-shaped sliding groove, and the specific form is not limited.

[0062] Continuing to combine Figure 2 As shown, the telescopic mechanism 2 in the embodiment comprises a plurality of strip-shaped two-hole connecting plates 7 and three-hole connecting plates 8, and a plurality of the two-hole connecting plates 7 and the three-hole connecting plates 8 are combined to form a plurality of interconnected telescopic units. The center point of each telescopic unit is connected with the sliding rail, so that the center point can drive the telescopic unit to expand horizontally or vertically when moving along the sliding rail.

[0063] Specifically, continuing to combine Figure 2 As shown, in the embodiment, the telescopic unit comprises a first three-hole connecting plate and a second three-hole connecting plate connected in cross, and the cross connection of the first three-hole connecting plate and the second three-hole connecting plate is connected with the strip-shaped sliding rail 9. Adjacent two telescopic units are connected through the first three-hole connecting plate and the second three-hole connecting plate, that is, the first three-hole connecting plate of the first telescopic unit is connected with the second three-hole connecting plate of the second telescopic unit, the second three-hole connecting plate 8 of the first telescopic unit is connected with the first three-hole connecting plate of the second telescopic unit, and so on. The telescopic unit at the end of the telescopic mechanism 2 further comprises one end connected with the strip-shaped sliding rail 9 and the other end connected with the corresponding first three-hole connecting plate and second three-hole connecting plate, that is, the end of the telescopic mechanism 2 is sealed by the first three-hole connecting plate and the second three-hole connecting plate. Figure 2 It can be seen that the first three-hole connecting plate and the second three-hole connecting plate cooperate to form a half telescopic unit. Among them, the connecting plates connected with the strip-shaped sliding rail 9 are connected through the internal hexagonal clamp screw nut, and the connecting plates not connected with the strip-shaped sliding rail 9 are connected through the butterfly screw nut. Of course, the use of connecting structural parts is not limited to the use of internal hexagonal clamp screw nut and butterfly screw nut, and other connecting structural parts can also be used for connection.

[0064] In order to facilitate artificial observation and determination of the spacing between the vertical rulers 3, the first rod body 4 and / or the second rod body 5 in the embodiment is provided with a scale.

[0065] In another embodiment, in order to meet the cutting sample of different sizes of textiles, the third rod body 6 and the vertical ruler 3 are telescopic rods, and the third rod body 6 and the vertical ruler 3 are provided with scales. In use, the length of the third rod body 6 and the vertical ruler 3 can be adjusted by the staff as needed, such as the length of the cutting sample.

[0066] Continue to combine Figure 3 As shown in another embodiment, the vertical ruler 3 is also provided with a sample sliding rail 10, which is not limited in structure. In the embodiment, the sample sliding rail 10 is arranged along the length direction of the vertical ruler 3, and the specific length is indefinite. The sample sliding rail 10 is hollow, has a hollow area, and is provided with a cutter device 11 on the hollow area. The cutter device 11 has an operating part and a cutter head. The user can move the cutter head by operating the operating part to realize the cutting of the sample.

[0067] In actual application, the number of vertical rulers 3 and the number of telescopic units in the telescopic mechanism 2 can be set according to actual needs, and the length of the first rod body 4, the second rod body 5 and the third rod body 6, and the vertical ruler 3 is not limited.

[0068] As Figure 4 shown, another embodiment of the present application provides a sampling method, comprising:

[0069] S1: fixing the equidistant telescopic fabric sampler;

[0070] S2: inputting interval information to the controller, the interval information representing the interval size required between the vertical rulers finally;

[0071] S3: sensing the position information of the telescopic mechanism relative to the fixing mechanism, the position information including the position information of each connection point in the telescopic mechanism connected with the fixing mechanism, and the position information of each connection point being consistent with the position information of each vertical ruler relative to the fixing mechanism;

[0072] S4: determining the driving strategy based on the interval information and the position information;

[0073] S5: driving the driver to operate based on the driving strategy, so as to drive the telescopic mechanism to move by the driver, drive multiple vertical rulers to reach the specified position, and ensure that the interval between two adjacent vertical rulers matches the interval information;

[0074] S6: cutting and sampling the textiles based on the interval between the current multiple vertical rulers.

[0075] For example, the vertical bars can be set to 5, and in actual application, after the sampler is prepared, the length of the third rod and the vertical bars in the sampler is adjusted according to the cutting needs, and then the overall height of the sampler is adjusted. The textile to be cut is unfolded, and then the sampler is matched and fixed by the fixer according to the placement angle of the textile, such as horizontal fixing, inclined fixing or vertical direction fixing, etc. The spacing information is then input into the controller, and the controller obtains the position information of each vertical bar relative to the fixed mechanism in the current telescopic mechanism by using the sensor assembly. Then, based on the position information and the spacing information, the driving direction of the driver and the moving distance of the telescopic mechanism are determined, and the driving direction / moving direction and the moving distance form the driving strategy. At this point, the controller can drive the driver to operate according to the driving strategy, and then complete the spacing adjustment of the vertical bars. The adjustment process can be one time or multiple times, including the adjustment and calibration process. When the spacing adjustment is completed, the worker can draw a line along the vertical bar on the textile and cut the sample.

[0076] The above embodiments are only exemplary embodiments of the present application and are not used to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements shall also be considered to fall within the protection scope of the present application.

Claims

1. An equidistantly retractable fabric sampler characterized by, The equal distance telescopic fabric sampler comprises a fixing mechanism, a telescopic mechanism, a vertical ruler module, a fixer, a driver, a sensor assembly and a controller. The fixing mechanism comprises a first rod body and a second rod body arranged oppositely. The telescopic mechanism is arranged between the first rod body and the second rod body and is capable of moving relative to the first rod body and the second rod body to make the telescopic mechanism present a telescopic state. The vertical ruler module comprises a plurality of vertical rulers, and each of the vertical rulers is connected with the first rod body, the second rod body and the telescopic mechanism to be capable of moving under the driving of the telescopic mechanism relative to the first rod body and the second rod body, thereby uniformly adjusting the distance between two adjacent vertical rulers and making the distance between any two adjacent vertical rulers equal. The fixer is arranged on the fixing mechanism or is detachably connected with the fixing mechanism to make the fixing mechanism capable of being fixed in position. The driver is connected with the telescopic mechanism to drive the telescopic mechanism to move relative to the first rod body and the second rod body. The driver and the sensor assembly are connected with the controller, the sensor assembly is used to sense the distance between the vertical rulers and the current position information of the telescopic mechanism relative to the fixing mechanism, and the controller is used to control the driver to operate according to the obtained distance information and the current position information of the telescopic mechanism relative to the fixing mechanism to make the distance between two adjacent vertical rulers match the distance information by driving the telescopic mechanism through the driver. The fixing mechanism further comprises a third rod body connected with the first rod body and the second rod body to cooperatively form a U-shaped ruler.

2. The equidistant retractable fabric sampler of claim 1, wherein, The first rod body and the second rod body are provided with a strip-shaped slide rail along the moving direction of the telescopic mechanism, and the telescopic mechanism and the vertical rulers are connected with the strip-shaped slide rail.

3. The equidistant telescopic fabric sampler according to claim 2, wherein, The telescopic mechanism comprises a plurality of strip-shaped two-hole connecting plates and three-hole connecting plates, the two-hole connecting plates and the three-hole connecting plates are combined to form a plurality of interconnected telescopic units, the center point of each telescopic unit is connected with the slide rail to make the center point drive the telescopic unit to horizontally or vertically stretch when the center point moves along the slide rail. The telescopic unit comprises a first three-hole connecting plate and a second three-hole connecting plate connected with each other, the intersection of the first three-hole connecting plate and the second three-hole connecting plate is connected with the strip-shaped slide rail, two adjacent telescopic units are connected through the first three-hole connecting plate and the second three-hole connecting plate, and the telescopic unit at the end further comprises one end connected with the strip-shaped slide rail and the other end connected with the corresponding first three-hole connecting plate and second three-hole connecting plate.

4. The equidistant retractable fabric sampler of claim 1, wherein, The connecting plates connected with the strip-shaped slide rail are connected through an internal hexagonal clamp screw nut, and the connecting plates not connected with the strip-shaped slide rail are connected through a butterfly screw nut. The first rod body and / or the second rod body are provided with a scale; or 5. A method of sampling with the equidistant retractable fabric sampler of claim 1, wherein, The third rod body and the vertical ruler are telescopic rods, and the third rod body and the vertical ruler are provided with a scale. The equal distance telescopic fabric sampler comprises a fixing mechanism, a telescopic mechanism, a vertical ruler module, a fixer, a driver, a sensor assembly and a controller. The fixing mechanism comprises a first rod body and a second rod body arranged oppositely. The telescopic mechanism is arranged between the first rod body and the second rod body and is capable of moving relative to the first rod body and the second rod body to make the telescopic mechanism present a telescopic state. The vertical ruler module comprises a plurality of vertical rulers, and each of the vertical rulers is connected with the first rod body, the second rod body and the telescopic mechanism to be capable of moving under the driving of the telescopic mechanism relative to the first rod body and the second rod body, thereby uniformly adjusting the distance between two adjacent vertical rulers and making the distance between any two adjacent vertical rulers equal. The fixer is arranged on the fixing mechanism or is detachably connected with the fixing mechanism to make the fixing mechanism capable of being fixed in position. The driver is connected with the telescopic mechanism to drive the telescopic mechanism to move relative to the first rod body and the second rod body. The driver and the sensor assembly are connected with the controller, the sensor assembly is used to sense the distance between the vertical rulers and the current position information of the telescopic mechanism relative to the fixing mechanism, and the controller is used to control the driver to operate according to the obtained distance information and the current position information of the telescopic mechanism relative to the fixing mechanism to make the distance between two adjacent vertical rulers match the distance information by driving the telescopic mechanism through the driver. The fixing mechanism further comprises a third rod body connected with the first rod body and the second rod body to cooperatively form a U-shaped ruler. The first rod body and the second rod body are provided with a strip-shaped slide rail along the moving direction of the telescopic mechanism, and the telescopic mechanism and the vertical rulers are connected with the strip-shaped slide rail. The telescopic mechanism comprises a plurality of strip-shaped two-hole connecting plates and three-hole connecting plates, the two-hole connecting plates and the three-hole connecting plates are combined to form a plurality of interconnected telescopic units, the center point of each telescopic unit is connected with the slide rail to make the center point drive the telescopic unit to horizontally or vertically stretch when the center point moves along the slide rail. The telescopic unit comprises a first three-hole connecting plate and a second three-hole connecting plate connected with each other, the intersection of the first three-hole connecting plate and the second three-hole connecting plate is connected with the strip-shaped slide rail, two adjacent telescopic units are connected through the first three-hole connecting plate and the second three-hole connecting plate, and the telescopic unit at the end further comprises one end connected with the strip-shaped slide rail and the other end connected with the corresponding first three-hole connecting plate and second three-hole connecting plate. The connecting plates connected with the strip-shaped slide rail are connected through an internal hexagonal clamp screw nut, and the connecting plates not connected with the strip-shaped slide rail are connected through a butterfly screw nut. The first rod body and / or the second rod body are provided with a scale; or The third rod body and the vertical ruler are telescopic rods, and the third rod body and the vertical ruler are provided with a scale. The equal distance telescopic fabric sampler comprises a fixing mechanism, a telescopic mechanism, a vertical ruler module, a fixer, a driver, a sensor assembly and a controller. The fixing mechanism comprises a first rod body and a second rod body arranged oppositely. The telescopic mechanism is arranged between the first rod body and the second rod body and is capable of moving relative to the first rod body and the second rod body to make the telescopic mechanism present a telescopic state. The vertical ruler module comprises a plurality of vertical rulers, and each of the vertical rulers is connected with the first rod body, the second rod body and the telescopic mechanism to be capable of moving under the driving of the telescopic mechanism relative to the first rod body and the second rod body, thereby uniformly adjusting the distance between two adjacent vertical rulers and making the distance between any two adjacent vertical rulers equal. The fixer is arranged on the fixing mechanism or is detachably connected with the fixing mechanism to make the fixing mechanism capable of being fixed in position. The driver is connected with the telescopic mechanism to drive the telescopic mechanism to move relative to the first rod body and the second rod body. The driver and the sensor assembly are connected with the controller, the sensor assembly is used to sense the distance between the vertical rulers and the current position information of the telescopic mechanism relative to the fixing mechanism, and the controller is used to control the driver to operate according to the obtained distance information and the current position information of the telescopic mechanism relative to the fixing mechanism to make the distance between two adjacent vertical rulers match the distance information by driving the telescopic mechanism through the driver. Sensing the position information of the telescopic mechanism relative to the fixed mechanism, the position information including the position information of each connection point in the telescopic mechanism connected to the fixed mechanism, the position information of each connection point being consistent with the position information of each vertical scale relative to the fixed mechanism; Determining a driving strategy based on the interval information and the position information; Driving the driver to operate based on the driving strategy, so as to drive the telescopic mechanism to move by the driver, and drive multiple vertical scales to reach the specified position, so as to ensure that the interval between two adjacent vertical scales matches the interval information; Cutting and sampling the textile based on the interval between the current multiple vertical scales.

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