Constant-deformation compression device for cork rubber mat

Abstract

The utility model discloses a cork rubber mat constant deformation compression device which comprises a force application piece and a first iron plate arranged under the force application piece, a first connecting piece and a second connecting piece are arranged above the first iron plate in a left-right opposite mode, and a second iron plate parallel to the first iron plate is arranged between the force application piece and the first iron plate. A first dial indicator fixing part and a second dial indicator fixing part are respectively arranged on the first connecting piece and the second connecting piece above the second iron plate, and an interlayer area for placing a test piece is formed between the first iron plate and the second iron plate; through the optimized and improved design of the product, the dial indicator is more convenient to install and stable in reading, the parallel iron plate connecting device is additionally arranged, the two parallel iron plates are fixed and do not displace in the load applying process, the center position is marked between the two parallel iron plates, the stress of a test piece is uniform, the detected data are more accurate, and the test efficiency is improved. Therefore, the effects of simplifying the operation and improving the accuracy and accuracy of the detection data are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of compression devices, in particular to a cork rubber pad constant deformation compression device. Background Art

[0002] Cork pads are widely used in underground projects such as highways, railways, subway shield tunnels and civil air defense. Their main purpose is to protect shield segments from damage during assembly, and to provide cushioning and shock absorption, as well as bonding force-transmitting pads.

[0003] At present, domestic infrastructure projects are vigorously developing prefabricated assembly components. The production and assembly process of prefabricated components is relatively simple and the quality is controllable. Especially in the assembly of shield segments in tunnel projects, cork rubber pads must be used to ensure that the design requirements are met.

[0004] However, according to the current test standards, there are many influencing factors in the test process of the two key indicators of the physical properties of cork rubber pads: compression recoverability under constant deformation and compression stress detection. The data test is unstable, the accuracy is poor, and the test process is cumbersome. The test data is often false, which can easily cause quality accidents. Therefore, it is particularly important to study the influencing factors in the compression recoverability and compression stress detection of cork rubber pads under constant deformation. Utility Model Content

[0005] In view of the above technical problems in the related art, the present invention proposes a constant deformation compression device for a cork pad, which can overcome the above shortcomings of the prior art.

[0006] In order to achieve the above technical purpose, the technical solution of the utility model is implemented as follows:

[0007] A cork rubber pad constant deformation compression device;

[0008] The constant deformation compression device of the cork rubber pad includes a force-applying member and a first iron plate arranged directly below the force-applying member, a first connecting member and a second connecting member are fixedly provided on the left and right sides of the first iron plate, a second iron plate parallel to the first iron plate is provided between the force-applying member and the first iron plate, the first connecting member and the second connecting member are respectively provided with a first dial indicator fixing part and a second dial indicator fixing part located above the second iron plate, and an interlayer area for placing a test piece is formed between the first iron plate and the second iron plate.

[0009] Furthermore, a stabilizing groove is provided on a surface of the second iron plate facing the force applying member and at a position opposite to the lower end surface of the force applying member.

[0010] Furthermore, a specimen placement area for placing the specimen is provided at the center of the first iron plate.

[0011] Furthermore, circular holes are provided at positions of the second iron plate corresponding to the first connecting piece and the second connecting piece, and the first connecting piece and the second connecting piece pass through the second iron plate through the circular holes.

[0012] Furthermore, the first iron plate and the second iron plate are arranged parallel to each other, and both the first iron plate and the second iron plate are parallel to a horizontal plane.

[0013] Furthermore, the upper end of the force applying member is connected to an electronic tensile testing machine.

[0014] Furthermore, the first connecting member and the second connecting member are arranged in parallel, and the first connecting member and the second connecting member and the first iron plate and the second iron plate are all arranged perpendicular to each other.

[0015] Furthermore, the first iron plate, the second iron plate and the force applying member are longitudinally coaxially arranged.

[0016] The beneficial effects of the utility model are as follows: through the optimization and improvement design of the product of the utility model, the installation of the dial indicator is more convenient and the dial indicator reading is stable. The parallel iron plate connection device is added to fix the two parallel iron plates without displacement during the load application process. The center position is marked between the two parallel iron plates, and the test piece is evenly stressed, making the test data more accurate, thereby achieving and simplifying the operation and improving the accuracy of the test data. Beneficial technical effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the overall structure of a cork pad constant deformation compression device according to an embodiment of the present utility model;

[0019] In the figure: 1. force-applying member; 2. first connecting member; 3. first dial indicator fixing portion; 4. test piece placement area; 5. first iron plate; 6. stabilizing groove; 7. second iron plate; 8. second dial indicator fixing portion; 9. second connecting member. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0021] It should be understood that in the description of the embodiments of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only 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" may explicitly or implicitly include one or more of the said features. In the description of the embodiments of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0022] like Figure 1 As shown, a constant deformation compression device for a cork rubber pad according to an embodiment of the present utility model includes a force-applying member 1 and a first iron plate 5 arranged directly below the force-applying member 1, a first connecting member 2 and a second connecting member 9 are fixedly provided on the left and right sides of the first iron plate 5, a second iron plate 7 parallel to the first iron plate 5 is provided between the force-applying member 1 and the first iron plate 5, the first connecting member 2 and the second connecting member 9 are located above the second iron plate 7 and are respectively provided with a first dial indicator fixing part 3 and a second dial indicator fixing part 8, and a sandwich area for placing a test piece is formed between the first iron plate 5 and the second iron plate 7.

[0023] According to a cork rubber pad constant deformation compression device described in an embodiment of the present invention, in a specific embodiment, a stabilizing groove 6 is provided on a side of the second iron plate 7 facing the force-applying member 1 and at a position opposite to the lower end surface of the force-applying member 1.

[0024] According to the constant deformation compression device for a cork rubber pad described in an embodiment of the present invention, in a specific embodiment, a specimen placement area 4 for placing the specimen is provided at the center of the first iron plate 5 .

[0025] According to a cork rubber pad constant deformation compression device described in an embodiment of the present invention, in a specific embodiment, circular holes are provided at positions corresponding to the second iron plate 7 and the first connecting member 2 and the second connecting member 9, and the first connecting member 2 and the second connecting member 9 pass through the second iron plate 7 through the circular holes.

[0026] According to the constant deformation compression device of a cork rubber pad described in an embodiment of the present invention, in a specific embodiment, the first iron plate 5 and the second iron plate 7 are arranged parallel to each other, and the first iron plate 5 and the second iron plate 7 are both parallel to the horizontal plane.

[0027] According to the constant deformation compression device for a cork rubber pad described in an embodiment of the present invention, in a specific embodiment, the upper end of the force applying member 1 is connected to an electronic tensile testing machine.

[0028] According to a constant deformation compression device for a cork rubber pad described in an embodiment of the present invention, in a specific embodiment, the first connecting member 2 and the second connecting member 9 are arranged in parallel, and the first connecting member 2 and the second connecting member 9 and the first iron plate 5 and the second iron plate 7 are all arranged perpendicular to each other.

[0029] According to the constant deformation compression device for a cork rubber pad described in an embodiment of the present invention, in a specific embodiment, the first iron plate 5, the second iron plate 7 and the force applying member 1 are longitudinally coaxially arranged.

[0030] In order to facilitate understanding of the above technical solutions of the present invention, the above technical solutions of the present invention are described in detail below through specific usage methods.

[0031] In specific use, the constant deformation compression device for cork rubber pads described in the present invention includes an application member 1, a first connecting member 2, a second connecting member 9, a first dial indicator fixing portion 3, a second dial indicator fixing portion 8, a specimen placement area 4, a first iron plate 5, a second iron plate 7, and a stabilizing groove 6. First, the upper end of the application member 1 is connected to the electronic tensile testing machine, and the first and second connecting members 2 and 9 are fixed on the first iron plate 5. A specimen of known thickness and hardness is placed in the specimen placement area 4, which is located at the center of the first iron plate 5. The second iron plate 7 is connected to the first and second connecting members 2 and 9 through a circular hole and placed on the specimen. A dial indicator is installed on the first and second dial indicator fixing portions 3 and 8, and the initial reading is recorded. Finally, the lower end of the application member 1 is connected to the stabilizing groove 6, and the electronic tensile testing machine is started to record data. By adjusting the application member 1 and the second iron plate 7, the sample is accurately placed in the specimen placement area 4 for subsequent testing.

[0032] To sum up, with the help of the above-mentioned technical scheme of the utility model, through the optimization and improvement design of the product of the utility model, the installation of the dial indicator is more convenient, the dial indicator reading is stable, and a parallel iron plate connection device is added to fix the two parallel iron plates without displacement during the load application process. The center position is marked between the two parallel iron plates, and the test piece is evenly stressed, making the test data more accurate, thereby achieving and simplifying the operation, and improving the accuracy of the test data and the beneficial technical effect of accuracy.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cork rubber pad constant deformation compression device, characterized in that: The invention comprises a force-applying member (1) and a first iron plate (5) arranged directly below the force-applying member (1); a first connecting member (2) and a second connecting member (9) are fixedly provided on the left and right sides of the first iron plate (5); a second iron plate (7) parallel to the first iron plate (5) is provided between the force-applying member (1) and the first iron plate (5); the first connecting member (2) and the second connecting member (9) are respectively provided with a first dial indicator fixing portion (3) and a second dial indicator fixing portion (8) above the second iron plate (7); and a sandwich area for placing a test piece is formed between the first iron plate (5) and the second iron plate (7).

2. A cork rubber pad constant deformation compression device according to claim 1, characterized in that: A stabilizing groove (6) is provided on a surface of the second iron plate (7) facing the force applying member (1) and at a position opposite to the lower end surface of the force applying member (1).

3. The constant deformation compression device for cork rubber pads according to claim 1, characterized in that: A test piece placement area (4) for placing the test piece is provided at the center of the first iron plate (5).

4. The constant deformation compression device for cork rubber pads according to claim 1, characterized in that: Circular holes are provided at positions of the second iron plate (7) corresponding to the first connecting piece (2) and the second connecting piece (9), and the first connecting piece (2) and the second connecting piece (9) pass through the second iron plate (7) through the circular holes.

5. The constant deformation compression device for cork rubber pads according to claim 1, characterized in that: The first iron plate (5) and the second iron plate (7) are arranged parallel to each other, and both the first iron plate (5) and the second iron plate (7) are parallel to a horizontal plane.

6. The constant deformation compression device for cork rubber pads according to claim 1, characterized in that: The upper end of the force applying member (1) is connected to an electronic tensile testing machine.

7. The constant deformation compression device for cork rubber pads according to claim 1, characterized in that: The first connecting member (2) and the second connecting member (9) are arranged in parallel, and the first connecting member (2) and the second connecting member (9) and the first iron plate (5) and the second iron plate (7) are all arranged perpendicular to each other.

8. A cork rubber pad constant deformation compression device according to any one of claims 1 to 7, characterized in that: The first iron plate (5), the second iron plate (7) and the force applying member (1) are longitudinally coaxially arranged.

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