Air pressure type bursting strength tester

Abstract

The utility model discloses an air pressure type bursting strength tester which comprises a working table, the top of the working table is fixedly connected with a sealing gasket, the bottom of the working table is fixedly connected with an air delivery pipe in an inserted mode, the position, close to the rear side, of the top of the working table is fixedly connected with a fixing frame, and the top of the inner side of the fixing frame is fixedly connected with a hydraulic rod. According to the air pressure type bursting strength tester, when the protective cover is installed, the nut is screwed through an external tool, so that the movable block moves to be far away from the inner side of the connecting frame, then the protective cover is moved, the protective cover drives the through hole in the connecting frame to wrap the outer side of the vertical rod, and then the nut is screwed reversely through the external tool, so that the vertical rod is damaged. Compared with the prior art, the device has the advantages that the protective cover of the device can be replaced according to the width of the textile to be tested, the application range of the device is greatly widened, and the device is suitable for popularization and application.

Description

TECHNICAL FIELD

[0001] The utility model relates to textile equipment technical field, concretely is a kind of air pressure type burst strength tester. BACKGROUND

[0002] With the high-speed development of market economy, the import and export trade volume of textile industry increases greatly, and the fabric burst strength test work involved in production and new product development and trade process also increases greatly. Because of the poor uniformity of textile materials, especially like woven fabric, knitted fabric, non-woven fabric product, the performance discrete change is big, and the test of each quality index requires considerable sample capacity to obtain the test result with the performance of the whole population. The test method is specified, tensile strength is not suitable for some fabrics (such as knitted fabric and lace), but burst strength test can be used instead. When fabric is damaged, it is often subjected to force in warp direction, weft direction, oblique direction and other aspects, especially some knitted products (such as weft knitted fabric) have the characteristics of straight extension and transverse contraction, and the straight and transverse directions have great influence on each other. If tensile strength test is used, warp direction, weft direction and oblique direction must be tested respectively, and burst strength can evaluate the strength of fabric once. However, the current air pressure burst strength measuring product generally uses hydraulic method test, which has the disadvantages of inconvenient oil adding and oil leaking, environmental pollution, complicated operation process and long experimental time.

[0003] The existing Chinese patent CN202903613U air pressure burst strength tester solves the above problems, and the protective cover and the sample pressure holding air cylinder are fixedly connected, which makes it can only test the strength of textile products with limited width, and when the width of the tested textile product is smaller than the outer diameter of the protective cover, the test device cannot meet the use, that is, the application range is small, and it is not suitable for popularization and use. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of overcoming the defects of prior art, and provides an air pressure type burst strength tester.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of air pressure type burst strength tester, the top of the workbench is fixedly connected with sealing pad, the bottom of the workbench is fixedly inserted with gas pipe, the top of the workbench is fixedly connected with fixed frame near rear side, the inside top of the fixed frame is fixedly connected with hydraulic rod, the bottom end of the hydraulic rod is equipped with transmission rod, the bottom end of the transmission rod is equipped with protective cover, the top of the protective cover is fixedly connected with two connecting frames, two The connecting frame between fixedly connected with horizontal plate, the top of the connecting frame is equipped with perforation, the inner cavity of the perforation is movably penetrated with vertical rod, the bottom end of the vertical rod is fixedly connected with fixed plate, the fixed plate is fixedly connected with transmission rod, the horizontal plate is equipped with screw hole, the inner cavity of the screw hole is penetrated with threaded rod, the right end of the threaded rod is fixedly connected with nut, the outer side edge of the threaded rod is fixedly sleeved with bearing near left end, the left side of the bearing is fixedly connected with movable block, the bottom end of the transmission rod is equipped with limiting slot, the top of the movable block is movably inserted in the inner cavity of limiting slot.

[0007] Preferably, the right end of the gas pipe is fixedly penetrated through the right side wall of the workbench, and a valve is fixedly sleeved on the gas pipe.

[0008] Preferably, the front side of the fixed frame is provided with a display screen and a plurality of buttons, and the plurality of buttons are located directly below the display screen.

[0009] Preferably, the top end of the transmission rod is fixedly connected with the power output end of the hydraulic rod, and the hydraulic rod and the transmission rod are matched with each other.

[0010] Preferably, the screw hole and the threaded rod are threadedly connected, and the screw hole and the threaded rod are matched with each other.

[0011] Preferably, the movable block has a "convex" cross section, and the bottom of the movable block is matched with the top of the protective cover.

[0012] Compared with the prior art, the air pressure type burst strength tester has the following advantages:

[0013] 1、The air pressure type burst strength tester of the utility model, when installing the protective cover, the nut is screwed by external tool, so that the movable block moves away from the inside of the connecting frame, then the protective cover is moved, the protective cover drives the perforation on the connecting frame to wrap outside the vertical rod, then the nut is screwed in reverse by external tool, the movable block moves away from the inner cavity of the limiting slot, so that the protective cover is installed and fixed, compared with the prior art, the protective cover of the device can be replaced according to the width of the textile to be tested, which greatly improves the application range of the device, and is suitable for popularization and use.

[0014] 2, the utility model discloses a kind of air pressure type expansion strength tester, the setting of movable block, vertical displacement of protective cover can be avoided, the setting of vertical pole, perforation, connecting frame, horizontal displacement of protective cover can be avoided, to improve the stability of protective cover, to guarantee the normal progress of test work. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is front view perspective drawing of the utility model;

[0016] Figure 2 It is front view perspective drawing of the utility model component sealing gasket;

[0017] Figure 3 It is front view perspective drawing of the utility model component hydraulic rod;

[0018] Figure 4 It is left view perspective drawing of the utility model component hydraulic rod;

[0019] Figure 5 It is front view perspective drawing of the utility model component transmission rod;

[0020] Figure 6 It is bottom view perspective drawing of the utility model component transmission rod;

[0021] Figure 7 It is front view perspective drawing of the utility model component protective cover;

[0022] Figure 8 It is front view perspective drawing of the utility model component connecting frame;

[0023] Figure 9 It is front view perspective drawing of the utility model component cross plate;

[0024] Figure 10 It is front view perspective drawing of the utility model component movable block.

[0025] Reference numeral in drawing: 1, workbench;2, sealing gasket;3, gas pipe;4, valve;5, fixed frame;6, display screen;7, button;8, hydraulic rod;9, transmission rod;10, protective cover;11, connecting frame;12, cross plate;13, perforation;14, vertical pole;15, fixed plate;16, screw hole;17, threaded rod;18, nut;19, bearing;20, movable block;21, limit slot. DETAILED DESCRIPTION

[0026] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0027] Please refer to Figures 1-10 The utility model provides a technical scheme:

[0028] A kind of air pressure type burst strength tester, including workbench 1, the top of workbench 1 is fixedly connected with sealing pad 2, the bottom of workbench 1 is fixedly inserted with gas pipe 3, the right end of gas pipe 3 is fixedly penetrated the right side wall of workbench 1, valve 4 is fixedly sheathed on gas pipe 3, the top of workbench 1 is fixedly connected with fixed frame 5 near rear side, the front side of fixed frame 5 is equipped with display screen 6 and several buttons 7, and several buttons 7 are located just below display screen 6, the inside top of fixed frame 5 is fixedly connected with hydraulic rod 8, the bottom end of hydraulic rod 8 is equipped with transmission rod 9, and the top end of transmission rod 9 is fixedly connected with the power output end of hydraulic rod 8, and hydraulic rod 8 and transmission rod 9 are matched with each other;

[0029] The bottom end of transmission rod 9 is equipped with protective cover 10, protective cover 10 is made of transparent material, the top of protective cover 10 is fixedly connected with two connecting frames 11, and horizontal plate 12 is fixedly connected between two connecting frames 11, the top of connecting frame 11 is equipped with perforation 13, vertical rod 14 is movably penetrated in the inner cavity of perforation 13, the bottom end of vertical rod 14 is fixedly connected with fixed plate 15, and fixed plate 15 is fixedly connected with transmission rod 9, screw hole 16 is formed in horizontal plate 12, threaded rod 17 is penetrated in the inner cavity of screw hole 16, and screw hole 16 and threaded rod 17 are screw-connected, and screw hole 16 and threaded rod 17 are matched with each other, the right end of threaded rod 17 is fixedly connected with nut 18, bearing 19 is fixedly sheathed on the outside edge of threaded rod 17 near left end, the left side of bearing 19 is fixedly connected with movable block 20, the cross section of movable block 20 is in the shape of "convex", the bottom of movable block 20 is mutually pasted with the top of protective cover 10, and the bottom end of transmission rod 9 is equipped with limiting groove 21, and the top of movable block 20 is movably inserted in the inner cavity of limiting groove 21.

[0030] Working principle: the utility model discloses a kind of air pressure type burst strength tester, in the use process, the width of the textile to be tested is determined according to before testing, and the appropriate size protective cover 10 is tested, and the peripheral diameter of protective cover 10 is less than the width of the textile to be tested.

[0031] When disassembling the protective cover 10, the nut 18 is screwed by an external tool, the threaded rod 17 is rotated in the inner cavity of the screw hole 16 and the bearing 19, the threaded rod 17 moves to the left relative to the screw hole 16 under the action of the thread, the threaded rod 17 drives the bearing 19 and the movable block 20 to move to the left, the movable block 20 moves away from the inner side of the connecting frame 11, and then the movable block 20 moves away from the limiting groove 21, and then the protective cover 10 is moved upwards, the protective cover 10 drives the threaded rod 17 to move upwards in the inner cavity of the limiting groove 21, the protective cover 10 drives the connecting frame 11 to move upwards away from the vertical rod 14, and then the protective cover 10 is moved to the right, so that the connecting frame 11 moves to the upper side away from the vertical rod 14, and then the protective cover 10 is moved downwards, so as to maintain the disassembly operation of the protective cover 10;

[0032] When installing the protective cover 10, the nut 18 is screwed by an external tool, the threaded rod 17 is rotated in the inner cavity of the screw hole 16 and the bearing 19, the threaded rod 17 moves to the left relative to the screw hole 16 under the action of the thread, the threaded rod 17 drives the bearing 19 and the movable block 20 to move to the left, the movable block 20 moves away from the inner side of the connecting frame 11, and then the protective cover 10 is moved, the protective cover 10 drives the connecting frame 11 to move to the upper side of the vertical rod 14, and at the same time the threaded rod 17 moves to the inner cavity of the limiting groove 21 with the protective cover 10, and then the protective cover 10 is moved downwards, the protective cover 10 drives the perforation 13 on the connecting frame 11 to wrap around the outer side of the vertical rod 14, and then the nut 18 is screwed in the opposite direction by an external tool, the threaded rod 17 is rotated in the inner cavity of the screw hole 16 and the bearing 19, the threaded rod 17 moves to the right relative to the screw hole 16 under the action of the thread, the threaded rod 17 drives the bearing 19 and the movable block 20 to move to the right, and the movable block 20 moves away from the inner cavity of the limiting groove 21, so as to install and fix the protective cover 10, compared with the prior art, the protective cover 10 of the device can be replaced according to the width of the textile to be tested, which greatly improves the application range of the device and is suitable for popularization and use;

[0033] The arrangement of the movable block 20 can avoid the vertical displacement of the protective cover 10, and the arrangement of the vertical rod 14, the perforation 13 and the connecting frame 11 can avoid the horizontal displacement of the protective cover 10, so as to improve the stability of the protective cover 10 and ensure the normal performance of the test work;

[0034] During the test, the gas supply pipe 3 is connected with the external gas supply device, the textile to be tested is placed on the top of the sealing pad 2 and covers the top end of the gas supply pipe 3, then the hydraulic rod 8 is extended by the external power supply control, the hydraulic rod 8 drives the protective cover 10 to move downwards through the transmission rod 9, the protective cover 10 moves downwards to press the textile to be tested, then the hydraulic rod 8 is stopped, and then the valve 4 is opened, the gas enters the inside of the protective cover 10 from the gas supply pipe 3, at this time, the textile is pushed and inflated by the gas pressure, and the inflation strength test of the textile can be observed through the protective cover 10, the display screen 6, the button 7, the gas supply pipe 3, the valve 4 and the hydraulic rod 8 are prior art, and the working principle is known to those skilled in the art.

[0035] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0037] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0040] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A pneumatic burst strength tester comprising a worktable (1), characterised in that: The top of the workbench (1) is fixedly connected with a sealing gasket (2), the bottom of the workbench (1) is fixedly connected with a gas pipe (3), the top of the workbench (1) is fixedly connected with a fixed frame (5) near the rear side, the inner top of the fixed frame (5) is fixedly connected with a hydraulic rod (8), the bottom end of the hydraulic rod (8) is provided with a transmission rod (9), the bottom end of the transmission rod (9) is provided with a protective cover (10), the top of the protective cover (10) is fixedly connected with two connecting frames (11), the two connecting frames (11) are fixedly connected with a horizontal plate (12), the top of the connecting frame (11) is provided with a through hole (13), the inner cavity of the through hole (13) is movably penetrated by a vertical rod (14), the bottom end of the vertical rod (14) is fixedly connected with a fixed plate (15), the fixed plate (15) is fixedly connected with the transmission rod (9), the horizontal plate (12) is provided with a threaded hole (16), the inner cavity of the threaded hole (16) is penetrated by a threaded rod (17), the right end of the threaded rod (17) is fixedly connected with a nut (18), the outer side edge of the threaded rod (17) is fixedly sleeved with a bearing (19) near the left end, the left side of the bearing (19) is fixedly connected with a movable block (20), the bottom end of the transmission rod (9) is provided with a limiting groove (21), the top of the movable block (20) is movably inserted into the inner cavity of the limiting groove (21).

2. The air pressure burst strength tester of claim 1, wherein: The right end of the gas pipe (3) is fixedly penetrated through the right side wall of the workbench (1), and the gas pipe (3) is fixedly sleeved with a valve (4).

3. The air pressure burst strength tester of claim 1, wherein: The front side of the fixed frame (5) is provided with a display screen (6) and a plurality of buttons (7), and the plurality of buttons (7) are located directly below the display screen (6).

4. The pneumatic burst strength tester of claim 1, wherein: The top end of the transmission rod (9) is fixedly connected with the power output end of the hydraulic rod (8), and the hydraulic rod (8) and the transmission rod (9) are matched with each other.

5. The pneumatic burst strength tester of claim 1, wherein: The threaded hole (16) and the threaded rod (17) are threadedly connected, and the threaded hole (16) and the threaded rod (17) are matched with each other.

6. The pneumatic burst strength tester of claim 1, wherein: The cross section of the movable block (20) is "convex", and the bottom of the movable block (20) and the top of the protective cover (10) are matched with each other.

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