CN219798976U - Loading table and creep test table - Google Patents

Abstract

The utility model provides a loading table and a creep test table, and relates to the technical field of material science and engineering technology. The utility model provides a loading table, which is applied to a creep test bed and comprises: the loading platform body is provided with a mounting surface and at least two loading surfaces; the mounting surface is used for being connected with the creep test bed, and the loading surface is all personally submitted the contained angle setting with the mounting surface, and the pendant in the creep test bed bonds in the loading surface. The loading table and the creep test table provided by the utility model solve the problems that in the current creep test, experiments can only be carried out through a single bonding surface and a single angle, additional test tables are required to be built for multi-angle loading experiments, the operation is inconvenient, and the time cost and the test cost are relatively high.

Description

Loading table and creep test table

Technical Field

The utility model relates to the technical field of material science and engineering technology, in particular to a loading table and a creep test table.

Background

The creep test is a test of mechanical properties of a material that determines the occurrence of a slow deformation phenomenon until failure of the material under constant temperature and constant stress over a long period of time. The higher the temperature or the greater the stress, the more pronounced the creep phenomenon. Creep may occur under a single stress or under a composite stress. The common creep test is carried out on a creep test bed under a unidirectional stretching condition, and when the conventional creep test bed is used for carrying out the creep performance test of the pressure-sensitive adhesive material, the test can only be carried out through a single bonding surface and a single angle, the multi-angle loading test requires to build another test bed, the operation is inconvenient, and the time cost and the test cost are relatively high.

Disclosure of Invention

The utility model aims to provide a loading table and a creep test table, which are used for solving the problems that in the prior art, experiments can only be carried out through a single bonding surface and a single angle, additional test tables are required to be built for multi-angle loading experiments, the operation is inconvenient, and the time cost and the test cost are high.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the utility model provides a loading table, which is applied to a creep test bed and comprises: the loading platform body is provided with a mounting surface and at least two loading surfaces;

the mounting surface is used for being connected with the creep test bed, and the loading surface is all personally submitted the contained angle setting with the mounting surface, and the pendant in the creep test bed bonds in the loading surface.

As a further technical scheme, the loading surface is arranged as a first loading surface and a second loading surface, the first loading surface and the mounting surface are arranged at an included angle, and the second loading surface is perpendicular to the mounting surface.

As a further technical scheme, the loading platform further comprises a connecting piece, the connecting piece is fixedly arranged on the loading platform body and is arranged flush with the mounting surface, and a connecting hole is formed in the connecting piece.

The creep test bed comprises a test box, a plurality of pendants, a plurality of weights and a loading table, wherein the test box comprises a box body and a connecting plate;

the connecting plate fixed mounting is in the box to be close to the roof setting of box, the installation face and the connecting plate fixed connection in the loading platform, a plurality of pendants bond respectively in the loading face in the loading platform, and the terminal surface that the connecting plate is close to the box diapire, a plurality of weights can dismantle respectively and connect in a plurality of pendants.

As a further technical scheme, be provided with a plurality of first through-holes on the connecting plate, a plurality of first through-holes divide into the multiunit, and multiunit first through-hole is the matrix arrangement, and the diapire of box and a plurality of first through-hole are provided with a plurality of second through-holes.

As a further technical scheme, the test box further comprises four supporting feet, wherein the four supporting feet are fixedly connected to the outer side of the bottom wall of the box body and are arranged at intervals along the circumferential direction of the bottom wall of the box body, and the four supporting feet are all adjustable supporting feet.

As a further technical scheme, the creep test stand further comprises a heating piece, and the heating piece is arranged on the inner wall of the box body.

As a further technical scheme, the creep test stand further comprises a temperature sensor and a controller, wherein the temperature sensor is arranged in the box body, the controller is arranged on the box body, and the temperature sensor and the heating element are connected with the controller through signals.

As a further technical scheme, the creep test stand further comprises a heat preservation piece, and the heat preservation piece is laid on the outer wall of the box body.

As a further technical scheme, the side wall of the box body is provided with a perspective window.

Compared with the prior art, the loading table and the creep test table provided by the utility model have the technical advantages that:

first aspect: the utility model provides a loading table, which is applied to a creep test bed and comprises: the loading platform body is provided with a mounting surface and at least two loading surfaces; the mounting surface is used for being connected with the creep test bed, and the loading surface is all personally submitted the contained angle setting with the mounting surface, and the pendant in the creep test bed bonds in the loading surface. When creep test is performed, the corresponding test piece is bonded with the pendant, then the test piece is kept stand for a period of time, the test piece is bonded with the corresponding loading surface, the pendant is bonded with the loading surface, and then the subsequent test is started after the test piece is kept stand for a period of time. In the process, as the loading surface is used for being connected with the creep test bed, the loading surface and the mounting surface are both arranged at an included angle, namely the loading surface and the horizontal surface are both arranged at an included angle. So set up, same loading platform can be simultaneously at least two kinds of angles and two kinds of bonding face are experimental, can reduce the setting up of test bench from this, when reducing time cost and test cost, more make things convenient for the operator to carry out the experiment.

Second aspect: the creep test bed comprises a test box, a plurality of pendants, a plurality of weights and a loading table, wherein the test box comprises a box body and a connecting plate; the connecting plate fixed mounting is in the box to be close to the roof setting of box, the installation face and the connecting plate fixed connection in the loading platform, a plurality of pendants bond respectively in the loading face in the loading platform, and the terminal surface that the connecting plate is close to the box diapire, a plurality of weights can dismantle respectively and connect in a plurality of pendants. In the experimental process, a plurality of pendants can be respectively adhered to the loading surface and the connecting plate, 0-degree adhesive surface and 0-degree adhesive surface can be realized, and experiments are carried out on at least two other angles and two other adhesive surfaces, so that the building of a test bed is further reduced, and the time cost and the test cost are reduced. In addition, because a plurality of weights can be dismantled respectively and connect in a plurality of pendants, can change the weight on every pendant according to the demand to this forms the contrast group, more makes things convenient for the operator to observe the comparison.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a loading platform according to an embodiment of the present utility model;

FIG. 2 is a front view of a creep test stand provided by an embodiment of the present utility model;

FIG. 3 is a schematic view of a portion of a creep test stand according to an embodiment of the present utility model.

Icon: 100-loading table body; 110-a mounting surface; 120-a first loading surface; 130-a second loading surface;

200-connecting piece; 210-connecting holes;

300-test box; 310-box body; 320-connecting plates; 321-a first through hole; 330-feet;

400-hanging pieces;

500-weight;

600-heating element;

700-heat preservation piece.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Physical quantities in the formulas, unless otherwise noted, are understood to be basic quantities of basic units of the international system of units, or derived quantities derived from the basic quantities by mathematical operations such as multiplication, division, differentiation, or integration.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and features of the embodiments may be combined with each other without conflict.

In this example, the adhesive for creep test is exemplified by a pressure sensitive adhesive, and the creep test is performed as follows: two square substrates (materials to be bonded) with the same thickness are firstly manufactured. And correspondingly cutting the pressure-sensitive adhesive with the same size. And then bonding the pressure-sensitive adhesive and the two substrates to form a test piece, bonding the test piece on the corresponding hanging piece 400 through epoxy resin glue, after the epoxy resin glue is completely cured, bonding the test piece on the connecting plate 320 or the loading surface through epoxy resin, and after standing for a period of time, hanging weights 500 with corresponding numbers on the hanging piece 400 to start the test.

In addition, the substrate can be made of materials related to PSA application, such as stainless steel, glass, acrylic, PET and the like; the size of the substrate can be selected according to specific experimental requirements; the loading surface may be set to 0 ° (normal), 30 °, 45 °, 60 °, 90 ° (shear), etc., and the hanger 400 is disposed corresponding to the loading surface; when preparing the pendant 400, the axis of the loading force of the pendant 400 is coaxially arranged with the central axis of the test piece.

The loading platform that this embodiment provided is applied to the creep test platform, includes: a loading table body 100, the loading table body 100 having a mounting face 110 and at least two loading faces;

the mounting surface 110 is used for being connected with a creep test bed, the loading surfaces are all arranged at an included angle with the mounting surface 110, and a pendant 400 in the creep test bed is adhered to the loading surfaces.

Specifically, referring to fig. 1, when creep test is performed, a corresponding test piece is first bonded to the hanger 400, and then left for a period of time, and then the test piece is bonded to a corresponding loading surface, and then the hanger 400 is bonded to the loading surface, and then left for a period of time to start a subsequent test. In this process, since the loading surfaces are used to connect with the creep test stand, the loading surfaces are all disposed at an angle to the mounting surface 110, i.e., the loading surfaces are all disposed at an angle to the horizontal surface. The setting is like this, and same loading table can be simultaneously at least two kinds of angles and two kinds of bonding face line experiments, can reduce the setting up of test bench from this, when reducing time cost and test cost, more makes things convenient for the operator to carry out the creep experiment under the different loading angle of not leading to and the loading force value.

In an alternative solution of this embodiment, the loading surfaces are set as a first loading surface 120 and a second loading surface 130, where the first loading surface 120 and the mounting surface 110 are set at an included angle, and the second loading surface 130 is set perpendicular to the mounting surface 110.

The specific combination of fig. 1 to 3 shows that the loading surface can be set to 0 ° (normal), 30 ° (normal), 45 ° (normal), 60 ° (shear) and the like, the specific setting angle of the loading surface and the setting number of the loading surface can be selected according to the specific condition of the experiment, the experiment can be carried out on multiple angles and multiple bonding surfaces at the same time, and the technical effect of building a test bench can be reduced. In this embodiment, only the first loading surface 120 and the second loading surface 130 are provided, and the first loading surface 120 is set to be a 45 ° loading surface, and the second loading surface 130 is set to be a 90 ° loading surface, so that in an experiment, the hanger 400 is bonded to the first loading surface 120 and the second loading surface 130 correspondingly, and a creep test of the 45 ° bonding surface and the 90 ° bonding surface can be performed simultaneously, and one test stand can be omitted, thereby reducing time cost and test cost.

In an alternative solution of this embodiment, the loading platform further includes a connecting piece 200, where the connecting piece 200 is fixedly disposed on the loading platform body 100 and is disposed flush with the mounting surface 110, and a connecting hole 210 is disposed on the connecting piece 200.

As shown in fig. 1 to 3, in this embodiment, the connecting piece 200 is provided with the connecting hole 210, and in this embodiment, the connecting hole 210 is connected with the corresponding first through hole 321 by the threaded connecting piece 200, so as to implement that the loading platform is mounted on the connecting plate 320, thereby ensuring the connection strength and the connection stability; and because the connecting piece 200 is arranged flush with the mounting surface 110, a gap is avoided between the mounting surface 110 and the connecting plate 320, so that the accuracy of a 45-degree bonding surface and a 90-degree bonding surface is ensured, and the accuracy of an experimental result is further improved.

The creep test stand provided by the embodiment comprises a test box 300, a plurality of pendants 400, a plurality of weights 500 and a loading table, wherein the test box 300 comprises a box body 310 and a connecting plate 320;

the connecting plate 320 is fixedly installed in the box 310 and is close to the top wall of the box 310, the installation surface 110 in the loading platform is fixedly connected with the connecting plate 320, the hanging pieces 400 are respectively adhered to the loading surface in the loading platform, the end surface of the connecting plate 320 close to the bottom wall of the box 310, and the weights 500 are respectively detachably connected to the hanging pieces 400.

Specifically, referring to fig. 2, in the experimental process, a plurality of pendants 400 may be adhered to the loading surface and the connecting plate 320, and creep tests of the 0 ° bonding surface, the 45 ° bonding surface and the 90 ° bonding surface may be performed simultaneously, and multiple groups of creep tests may be performed simultaneously, so that the construction of the test stand is further reduced, and the time cost and the test cost are reduced. Because a plurality of weights 500 can be dismantled respectively and be connected in a plurality of pendants 400, can change the weight 500 on every pendant 400 according to the demand to this forms the contrast group, more makes things convenient for the operator to observe the comparison. Since the connection plate 320 is disposed near the top wall of the case 310, a sufficient space for accommodating the weight 500 can be left during the experiment. Further improving the convenience in the experiment.

In an optional technical solution of this embodiment, a plurality of first through holes 321 are disposed on the connection board 320, the plurality of first through holes 321 are divided into a plurality of groups, the plurality of groups of first through holes 321 are arranged in a matrix, and a plurality of second through holes are disposed on the bottom wall of the box 310 and the plurality of first through holes 321.

With specific reference to fig. 2, when there are few weights 500 hung on the hanger 400 during the test, all weights 500 may be disposed inside the case 310; when the number of weights 500 hung on the hanger 400 is excessive, the weights 500 are hung under the case 310, and the ropes hanging the weights 500 pass through the second through holes to be connected with the corresponding hanger 400. Therefore, the experimental process is more flexible and changeable, and the application range of the creep test bed is further improved on the premise of ensuring the experimental result.

In an alternative solution of this embodiment, the test chamber 300 further includes four supporting legs 330, where the four supporting legs 330 are fixedly connected to the outer side of the bottom wall of the chamber 310, and are disposed at intervals along the circumferential direction of the bottom wall of the chamber 310, and the four supporting legs 330 are all adjustable supporting legs 330.

Specifically, referring to fig. 2, the length of the supporting leg 330 can be adjusted according to the number of weights 500 suspended below the box 310, so that the weights 500 are prevented from contacting the ground, and an operator can conveniently perform experiments on the premise of ensuring the verification result.

In an alternative solution of this embodiment, the creep test stand further includes a heating element 600, where the heating element 600 is disposed on the inner wall of the box 310.

Referring specifically to fig. 2, in this embodiment, the heating member 600 is configured as a heating sheet, and the heating sheet is adhered to the rear wall and both side walls of the case 310. During the experiment, the temperature in the box 310 was changed by changing the temperature of the heating plate, thereby creep test at different loading temperatures could be achieved.

In an alternative technical solution of this embodiment, the creep test stand further includes a temperature sensor and a controller, where the temperature sensor is disposed in the box 310, the controller is disposed on the box 310, and the temperature sensor and the heating element 600 are both in signal connection with the controller.

Referring specifically to fig. 2, in this embodiment, the controller is a PID controller, and the PID controller is in signal connection with a temperature sensor and a heating element 600, where the temperature sensor is disposed in the case 310. In the experimental process, the temperature sensor senses the real-time temperature in the box 310 and transmits a real-time temperature signal to the PID controller, and the PID controller changes the real-time temperature of the heating plate according to the requirement, so that the accuracy of an experimental result is further improved.

In an alternative technical solution of this embodiment, the creep test stand further includes a heat insulation member 700, where the heat insulation member 700 is laid on the outer wall of the box 310.

Referring specifically to fig. 2, the insulating member 700 is laid on the outer sides of the two side walls, the outer side of the top wall, and the outer side of the rear wall of the case 310. By the arrangement, the experimental environment in the box body 310 can be kept stable, and meanwhile, heat loss is reduced, so that the aim of saving energy is fulfilled.

In an alternative solution of this embodiment, a perspective window is provided on a side wall of the case 310.

Specifically, can set up perspective window on the lateral wall of box 310, also can directly adopt transparent material preparation with one of them lateral wall of box 310, specific setting method is selected according to specific demand, can reach the technical purpose that makes things convenient for the operator clear to observe the experimental conditions in the box 310 can. In this embodiment, the front wall of the case 310 is made of a transparent material.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A loading station for use with a creep test stand, comprising: a loading table body (100), the loading table body (100) having a mounting face (110) and at least two loading faces;

the mounting surface (110) is used for being connected with the creep test bed, the loading surfaces are all arranged at an included angle with the mounting surface (110), and a pendant (400) in the creep test bed is adhered to the loading surface.

2. The loading table according to claim 1, wherein the loading surface is provided as a first loading surface (120) and a second loading surface (130), the first loading surface (120) and the mounting surface (110) are provided at an angle, and the second loading surface (130) is provided perpendicular to the mounting surface (110).

3. The loading table according to claim 1, further comprising a connecting member (200), wherein the connecting member (200) is fixedly disposed on the loading table body (100) and is disposed flush with the mounting surface (110), and a connecting hole (210) is provided in the connecting member (200).

4. A creep test stand, characterized by comprising a test box (300), a plurality of pendants (400), a plurality of weights (500) and a loading station according to any one of claims 1-3, the test box (300) comprising a box body (310) and a connecting plate (320);

the connecting plate (320) is fixedly installed in the box body (310) and is close to the top wall of the box body (310), the installation surface (110) in the loading platform is fixedly connected with the connecting plate (320), the hanging pieces (400) are respectively adhered to the loading surface in the loading platform, the connecting plate (320) is close to the end face of the bottom wall of the box body (310), and the weights (500) are respectively detachably connected to the hanging pieces (400).

5. The creep test stand according to claim 4, wherein the connection plate (320) is provided with a plurality of first through holes (321), the plurality of first through holes (321) are divided into a plurality of groups, the plurality of groups of first through holes (321) are arranged in a matrix, and the bottom wall of the box body (310) and the plurality of first through holes (321) are provided with a plurality of second through holes.

6. The creep test stand according to claim 5, wherein the test box (300) further comprises four legs (330), four of the legs (330) are fixedly connected to the outer side of the bottom wall of the box (310) and are arranged at intervals along the circumferential direction of the bottom wall of the box (310), and four of the legs (330) are arranged as adjustable legs (330).

7. The creep test stand according to claim 4, further comprising a heating element (600), the heating element (600) being arranged at an inner wall of the box (310).

8. The creep test stand according to claim 7, further comprising a temperature sensor disposed in the box (310) and a controller disposed on the box (310), the temperature sensor and the heating element (600) being in signal connection with the controller.

9. The creep test stand according to claim 7, further comprising a thermal insulation (700), the thermal insulation (700) being laid on an outer wall of the box (310).

10. The creep test stand according to claim 4, wherein the side wall of the box (310) is provided with a perspective window.