A horizontal support structure for a compression shear testing machine

Abstract

The present invention provides a horizontal support structure for a compression shear testing machine, and relates to the technical field of detection equipment. In the horizontal support structure of the present invention, the main body of a vertically mounted hydraulic cylinder is fixed on an intermediate support block, the telescopic end of the hydraulic cylinder is connected to the bottom side of a lower beam seat, a first horizontal slide rail is provided on the upper side of the lower beam seat, a working platform is installed on the first horizontal slide rail, the working platform is connected to the telescopic end of the horizontal oil cylinder in the horizontal axis direction, the main body of the horizontal oil cylinder is fixed on an oil cylinder support frame, the oil cylinder support frame is installed on the first vertical slide groove on the outside of a column, the bottom of the column is fixed on the intermediate support block, and the top of the column is fixed to an upper beam seat, and the upper beam seat is located directly above the working platform. The horizontal oil cylinder of the present invention forms a follow-up state with the working platform, and the horizontal oil cylinder always applies a force to the working platform in the direction of its horizontal axis, which will not cause wear of the horizontal oil cylinder during the working process, thereby extending the service life of the horizontal oil cylinder.

Description

Technical Field

[0001] The invention relates to the technical field of detection equipment, in particular to a horizontal support structure of a compression shear testing machine. Background Art

[0002] Compression-shear testing machines are widely used in testing the mechanical properties of shock-absorbing materials. They can be used to test the compressive elastic modulus, shear elastic modulus, shear aging and compressive strength of various bridge plate and basin rubber bearings.

[0003] The existing compression shear testing machine is mainly composed of a vertical loading mechanism and a transverse shear loading mechanism. The vertical loading mechanism is used to load vertical pressure on the material to be tested on the working platform, and the transverse shear loading mechanism is used to apply transverse shear force to the material to be tested. The force acting on the shear plate by the shear loading mechanism is measured by the force sensor on the force transmission path. During the use of this compression shear testing machine, as the vertical loading mechanism pushes the working platform upward, a certain distance will be generated between the axis of the horizontal cylinder of the transverse shear loading mechanism. Due to the unbalanced force, this will cause some damage to the horizontal cylinder during the operation process, affecting the service life of the compression shear testing machine.

[0004] The information disclosed in the background technology section of the present invention is only intended to deepen the understanding of the general background technology of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to those skilled in the art. Summary of the invention

[0005] Based on this, it is necessary to provide a horizontal support structure for a compression shear testing machine in response to the problems existing in the current compression shear testing machine.

[0006] The above purpose is achieved through the following technical solutions:

[0007] The cam is provided with a plurality of hydraulic cylinders, and the hydraulic cylinders are connected with the hydraulic cylinders to form a plurality of hydraulic cylinders, and the hydraulic cylinders are connected with the hydraulic cylinders to form a plurality of hydraulic cylinders.

[0008] Furthermore, the upper frame assembly also includes; the style adjustment assembly also includes a push block, a second oil cylinder, a mounting plate, an electromagnetic locking switch and a first oil cylinder; wherein, the telescopic end of the horizontal oil cylinder is fixed on the mounting plate, the mounting plate is fixed on the working platform, and the upper side of the working platform is provided with a second horizontal slide rail parallel to the horizontal axis of the horizontal oil cylinder, the push block is installed on the second horizontal slide rail, the push block is fixedly connected to the telescopic end of the second oil cylinder, the second oil inlet and outlet of the second oil cylinder is connected to the first oil inlet and outlet of the first oil cylinder through a pipeline, the body of the first oil cylinder is fixed on the lower beam seat, and the telescopic end is fixed on the upper beam seat; the body of the electromagnetic locking switch is fixed on the mounting plate, and the locking part of the electromagnetic locking switch is installed on the body of the second oil cylinder.

[0009] Furthermore, the push block includes a docking part and a connecting rod; the telescopic end of the second oil cylinder is fixedly connected to the docking part of the push block, and two connecting rods are connected to the docking part. The two connecting rods are symmetrically distributed with the axis of the second oil cylinder as the center, and each connecting rod is installed on one of the second horizontal slide rails at the direction end for pushing the sample.

[0010] Furthermore, both ends of the upper beam seat are respectively fixed to the top of a column.

[0011] Furthermore, the shear force applying component and the style adjusting component constitute an integrated component; wherein, one of the integrated components is symmetrically arranged on both sides of the center plane between the two columns.

[0012] Furthermore, during operation, the horizontal cylinders in the two integrated components exert a reverse force.

[0013] Furthermore, at least one pair of hydraulic cylinders is fixed on the middle support block, and the at least one pair of hydraulic cylinders is symmetrically arranged on both sides of the center plane between the two columns.

[0014] Furthermore, the lower frame assembly also includes a base frame; wherein the intermediate support block is fixed on the base frame.

[0015] Furthermore, the cylinder support frame includes a sleeve, guide rails located on both sides of the sleeve, and a body connecting the sleeve and the guide rails; a channel is provided on the column, and both sides of the channel are the first vertical slide grooves adapted to the guide rails of the cylinder support frame; wherein the body of the horizontal cylinder is fixed in the sleeve, and the telescopic end of the horizontal cylinder passes through the channel and docks with the working platform.

[0016] Furthermore, both ends of the lower beam seat are respectively installed in the second vertical sliding grooves on the inner sides of the two columns.

[0017] The beneficial effects of the present invention are:

[0018] (1) The horizontal cylinder of the present invention forms a follow-up state with the working platform, and the telescopic end of the horizontal cylinder always applies a force to the working platform in the direction of its horizontal axis. During the working process, the horizontal cylinder will not be worn, thereby extending the service life of the horizontal cylinder.

[0019] (2) The pattern adjustment assembly of the present invention can push the sample piece to the accurate position of the working platform, further improving the work efficiency and operation accuracy.

[0020] (3) The present invention can realize simultaneous testing of two test pieces of the same batch and the same thickness, which is more efficient.

[0021] (4) Since the greater the thickness of the specimen, the greater the deformation; when the present invention tests two specimens simultaneously, the specimens can be pushed to a suitable position on the working platform according to the thickness of the specimens, ensuring that the spacing between the two specimens tested simultaneously forms an inverse linear relationship with the thickness of the batch of specimens, effectively preventing the two specimens tested simultaneously from colliding with each other after deformation due to too small a spacing;

[0022] (5) The working platform of the present invention can detect two test pieces at the same time. The technical method to ensure that this is feasible is that the directions of the shear forces applied to the two test pieces are set to be coaxial and opposite. Since the forces acting on the equipment from the two directions cancel each other out, damage to the equipment is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of a horizontal support structure of a compression shear testing machine of the present invention;

[0024] Figure 2 for Figure 1 The front structural schematic diagram of the horizontal support structure of the compression shear testing machine in the working state is shown;

[0025] Figure 3 for Figure 1 The right side structural schematic diagram of the horizontal support structure of the compression shear testing machine shown;

[0026] Figure 4 for Figure 3 Structural diagram of the AA section (non-working state);

[0027] Figure 5 for Figure 3 Structural diagram of the AA section (working state);

[0028] Figure 6 It is a structural schematic diagram of an embodiment of a style adjustment component of the present invention;

[0029] Figure 7 for Figure 4A schematic diagram of the enlarged structure of part B;

[0030] Figure 8 for Figure 5 Schematic diagram of the enlarged structure of part C.

[0031] in:

[0032] 100, upper frame assembly; 101, column; 102, upper beam seat; 103, lower beam seat; 200, shear force application assembly; 201, horizontal cylinder; 202, cylinder support frame; 300, lower frame assembly; 301, intermediate support block; 302, base frame; 303, hydraulic cylinder; 400, style adjustment assembly; 401, working platform; 402, push block; 403, second cylinder; 4031, second oil inlet and outlet; 404, mounting plate; 405, electromagnetic locking switch; 406, first cylinder; 4061, first oil inlet and outlet; 500, test piece. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0034] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in the present invention, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0035] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0036] like Figures 1 to 8 As shown, the embodiment of the present invention provides a horizontal support structure of a compression shear tester, which includes an upper frame assembly 100, a shear force applying assembly 200, a lower frame assembly 300 and a pattern adjustment assembly 400; the upper frame assembly 100 includes a column 101, an upper beam seat 102 and a lower beam seat 103; the shear force applying assembly 200 includes a horizontal oil cylinder 201 and an oil cylinder support frame 202; the lower frame assembly 300 includes an intermediate support block 301 and a hydraulic cylinder 303; the pattern adjustment assembly 400 includes a working platform 401 for placing a sample 500; wherein the intermediate support block 301 is fixed with a vertical ... upper beam seat 101 includes a vertical column 101, an upper beam seat 102 and a lower beam seat 103; the upper beam seat 101 includes a vertical column 101, an upper beam seat 102 and a lower beam seat 103; the upper beam seat 101 includes a vertical column 101, an upper beam seat 102 and a lower beam seat 103; the upper beam seat 101 includes a vertical column 101, an upper beam seat 102 and a lower beam seat 103; the upper beam seat 101 includes a vertical column 101, an upper beam seat 102, and a lower beam seat 103; the The main body of the hydraulic cylinder 303 is arranged, the telescopic end of the hydraulic cylinder 303 is connected to the bottom side of the lower beam seat 103, and the upper side of the lower beam seat 103 is provided with a first horizontal slide rail, on which a working platform 401 is installed, and the working platform 401 is connected to the telescopic end of the horizontal oil cylinder 201 in the horizontal axis direction, and the main body of the horizontal oil cylinder 201 is fixed on the oil cylinder support frame 202, and the oil cylinder support frame 202 is installed on the first vertical slide groove outside the column 101, and the bottom of the column 101 is fixed on the middle support block 301, and the top of the column 101 is fixed on the upper beam seat 102, and the upper beam seat 102 is located directly above the working platform 401.

[0037] In the embodiment of the present invention, the columns 101 in the upper frame assembly 100, the upper beam seat 102 and the middle support block 301 of the frame assembly 300 constitute the overall frame of the horizontal support structure of the compression shear tester, and the assembly of other components is completed on the frame. In the embodiment of the present invention, as the bottom stable support of the frame, preferably, the lower frame assembly 300 also includes a base frame 302; wherein the middle support block 301 is fixed on the base frame 302. In addition, considering the integrity and stability of the frame, preferably, the two ends of the upper beam seat 102 are respectively fixed to the top of a column 101. On this basis, in the embodiment of the present invention, in order to increase the stability of the operation of the lower beam seat 103, preferably, the two ends of the lower beam seat 103 are respectively installed in the second vertical slide groove on the inner side of the two columns 101.

[0038] In addition, based on the same consideration of the operation stability of the lower beam seat 103, in the embodiment of the present invention, preferably, at least one pair of hydraulic cylinders 303 are fixed on the middle support block 301, and the at least one pair of hydraulic cylinders 303 are symmetrically arranged on both sides of the center plane between the two columns 101. Figure 2-Figure 4 In the embodiment, the number of hydraulic cylinders 303 is two pairs.

[0039] In the embodiment of the present invention, the cylinder support frame 202 is used to carry the horizontal cylinder 201 vertically and move up and down along the first vertical slide groove, and is used to fix the horizontal cylinder 201 in the horizontal axis direction of the horizontal cylinder 201. In the preferred embodiment of the present invention, the cylinder support frame 202 includes a sleeve, guide rails located on both sides of the sleeve, and a body connecting the sleeve and the guide rails; a channel is provided on the column 101, and both sides of the channel are first vertical slide grooves adapted to the guide rails of the cylinder support frame 202; wherein the body of the horizontal cylinder 201 is fixed in the sleeve, and the telescopic end of the horizontal cylinder 201 passes through the channel and docks with the working platform 401.

[0040] In the embodiment of the present invention, the main body of the hydraulic cylinder 303 is fixedly mounted on the middle support block 301, and the telescopic end of the hydraulic cylinder 303 is fixed on the bottom side of the lower beam seat 103, and the working platform 401 for placing the sample 500 is installed on the first horizontal slide rail on the upper side of the lower beam seat 103. In the working state, the hydraulic cylinder 303 is started to extend its telescopic end, driving the lower beam seat 103 to move upward, and finally the lower beam seat 103 and the upper beam seat 102 cooperate to press the sample 500 on the working platform 401. On this basis, the horizontal oil cylinder 201 in the shear force applying assembly 200 is started, and the telescopic end of the horizontal oil cylinder 201 applies a thrust or a pull to the working platform 401 in the horizontal axis direction, and finally forms a shear force acting on the sample 500. The data of pressure, shear force, etc. on the sample 500 are collected through existing sensors, etc., which can be used in the subsequent detection of items such as compressive elastic modulus, shear elastic modulus, shear aging and compressive strength.

[0041] In the embodiment of the present invention, in the working state, due to the operation of the lower beam seat 103, the working platform 401 will follow the horizontal cylinder 201, and the cylinder support frame 202 slides vertically on the first vertical slide groove on the outside of the column 101, so that the horizontal cylinder 201 always applies a force to the working platform 401 in the direction of its horizontal axis. Therefore, in the process of the horizontal cylinder 201 applying shear force to the specimen 500, the horizontal cylinder 201 will not be worn due to the force direction deviating from the axis of the horizontal cylinder 201, which effectively increases the service life of the horizontal cylinder 201.

[0042] In the actual application process of the present invention, the weight of the sample 500 is generally relatively large. Therefore, when the sample 500 needs to be tested, it is placed on the working platform 401 by a crane or other transportation device. However, the method of placing the sample 500 by a crane or other transportation device cannot place the sample 500 at the precise position of the working platform 401. Therefore, it is usually necessary to adjust the placement position of the sample 500 manually. Therefore, in the further implementation process of the present invention, in order to avoid the tedious process of manually adjusting the placement position of the sample 500, preferably, the style adjustment component 400 also includes a push block 402, a second oil cylinder 403, a mounting plate 404, an electromagnetic locking switch 405 and a first oil cylinder 406; wherein the telescopic end of the horizontal oil cylinder 201 is fixed on the mounting plate 404, the mounting plate 404 is fixed on the working platform 401, and the upper side of the working platform 401 is provided with a second horizontal slide parallel to the horizontal axis of the horizontal oil cylinder 201. A push block 402 is installed on the second horizontal slide rail, and the push block 402 is fixedly connected to the telescopic end of the second oil cylinder 403. The second oil inlet and outlet 4031 of the second oil cylinder 403 is connected to the first oil inlet and outlet 4061 of the first oil cylinder 406 through a pipeline. The body of the first oil cylinder 406 is fixed on the lower beam seat 103 and the telescopic end is fixed on the upper beam seat 102; the body of the electromagnetic locking switch 405 is fixed on the mounting plate 404, and the locking part of the electromagnetic locking switch 405 is installed on the body of the second oil cylinder 403.

[0043] In the embodiment of the present invention, the existing technologies for realizing unlocking and locking operations through the technical principle of electrical and magnetic conversion can be used to explain the electromagnetic locking switch 405 of the present invention.

[0044] In the embodiment of the present invention, it is easy to understand that the second oil cylinder 403 and the second horizontal slide rail should be parallel to the horizontal axis of the horizontal oil cylinder 201 .

[0045] In the actual application process of the present invention, the sample 500 is placed on the working platform 401 by a forklift and is located at the front end of the push block 402; the hydraulic cylinder 303 is started, and before the lower beam seat 103 and the upper beam seat 102 cooperate to press the sample 500 on the working platform 401, the first oil cylinder 406 is squeezed during the process of the lower beam seat 103 and the upper beam seat 102 approaching each other, and the second oil inlet and outlet 4031 of the second oil cylinder 403 is connected with the first oil inlet and outlet 4061 of the first oil cylinder 406 through a pipeline, the oil in the first oil cylinder 406 is squeezed into the second oil cylinder 403. At this time, the body of the second oil cylinder 403 is locked on the mounting plate 404 by the electromagnetic locking switch 405. Therefore, the telescopic end of the second oil cylinder 403 pushes the push block 402, and finally the push block 402 pushes the sample 500 to the predetermined position of the working platform 401. When the specimen 500 contacts the upper beam seat 102, the lower beam seat 103 needs to be pushed upward by a certain amount, and then the electromagnetic locking switch 405 is controlled to unlock the second oil cylinder 403, so that the second oil cylinder 403 slides on the mounting plate 404, and the second oil cylinder 403 no longer acts on the specimen 500. On this basis, the shear force applying assembly 200 applies shear force to the specimen 500.

[0046] In the embodiment of the present invention, in order to ensure that the push block 402 can accurately and stably push the sample 500, preferably, the push block 402 includes a docking portion and a connecting rod; the telescopic end of the second oil cylinder 403 is fixedly connected to the docking portion of the push block 402, and two connecting rods are connected to the docking portion. The two connecting rods are symmetrically distributed with the axis of the second oil cylinder 403 as the center, and one end of each connecting rod used to push the sample 500 is respectively installed on a corresponding second horizontal slide rail. It is easy to understand that the front end of the push block 402 is fork-shaped, which can effectively prevent the sample 500 from being pushed off, and the provision of the two second horizontal slide rails can ensure the stability of the push block 402 during operation.

[0047] In the embodiment of the present invention, after the sample 500 is placed at a rough position on the work platform 401 by a forklift, the sample 500 can be accurately positioned on the work platform 401 by itself during the process of the lower beam seat 103 and the upper beam seat 102 approaching each other, thereby effectively improving the operating efficiency during the test process.

[0048] In the further implementation process, in order to further improve the testing efficiency of the same batch of test pieces 500, in an embodiment of the present invention, preferably, the shear force application component 200 and the pattern adjustment component 400 constitute an integrated component; wherein, an integrated component is symmetrically arranged on both sides of the center plane between the two columns.

[0049] In the embodiment of the present invention, it is easy to understand that the above-mentioned integrated assembly is assembled by a set of shear force applying assembly 200 and a set of pattern adjusting assembly 400; two sets of relatively independent integrated assemblies are arranged in the horizontal support structure of the present invention. The thickness of the sample pieces 500 of the same batch is basically the same. In the working state, the two integrated assemblies can complete the test of the sample pieces 500 separately, or the two sample pieces 500 of the same batch can be placed on the working platform 401 of each integrated assembly for simultaneous testing, which effectively improves the test efficiency.

[0050] During the test, the sample 500 is subjected to pressure and shear force, and the sample 500 will be deformed. The thicker the sample 500 is, the greater the radial deformation during the test. If the two tested samples 500 are closer, it is easier for the two tested samples 500 to contact, squeeze or collide. In the embodiment of the present invention, in the process of the lower beam seat 103 and the upper beam seat 102 approaching each other, the two push blocks 402 push the corresponding two sample pieces 500 toward the center plane between the two columns 101. It can be understood that when the thickness of the current batch of sample pieces 500 is thinner, the spacing between the two tested sample pieces 500 is closer. On the contrary, when the thickness of the current batch of sample pieces 500 is thicker, the spacing between the two tested sample pieces 500 is farther. Therefore, the present invention can determine the spacing between two simultaneously tested samples 500 according to the thickness of the sample 500, effectively preventing the two tested samples 500 from colliding with each other during the detection process, and effectively ensuring the accuracy of the detection results.

[0051] In addition, in the embodiment of the present invention, in order to reduce the damage to the equipment, in the embodiment of the present invention, preferably, during the working process, the horizontal cylinders 201 in the two integrated components apply a reverse force. In the embodiment of the present invention, two symmetrical shear force applying components 200 are arranged on both sides of the center plane between the two columns 101, and two symmetrical pattern adjustment components 400 are arranged on both sides of the center plane between the two columns 101, which ensures that the horizontal cylinders 201 on both sides can respectively apply shear force to the test sample 500 on a working platform 401, and the forces of the horizontal cylinders 201 on both sides are located on the same horizontal axis. At this time, when the directions of the forces of the horizontal cylinders 201 on both sides are opposite, the shear forces acting on the overall frame of the compression shear tester will offset each other, which further achieves the purpose of reducing equipment damage.

[0052] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The above-described embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A horizontal support structure of a compression shear testing machine, characterized in that: The horizontal support structure comprises an upper frame assembly (100), a shear force applying assembly (200), a lower frame assembly (300) and a pattern adjustment assembly (400); the upper frame assembly (100) comprises a column (101), an upper beam seat (102) and a lower beam seat (103); the shear force applying assembly (200) comprises a horizontal oil cylinder (201) and an oil cylinder support frame (202); the lower frame assembly (300) comprises an intermediate support block (301) and a hydraulic cylinder (303); the pattern adjustment assembly (400) comprises a working platform (401) for placing a sample piece (500); The main body of the hydraulic cylinder (303) is fixed vertically on the intermediate support block (301), the telescopic end of the hydraulic cylinder (303) is connected to the bottom side of the lower beam seat (103), the upper side of the lower beam seat (103) is provided with a first horizontal slide rail, a working platform (401) is installed on the first horizontal slide rail, the working platform (401) is connected to the telescopic end of the horizontal oil cylinder (201) in the horizontal axis direction, the main body of the horizontal oil cylinder (201) is fixed on the oil cylinder support frame (202), the oil cylinder support frame (202) is installed on the first vertical slide groove outside the column (101), the bottom of the column (101) is fixed on the intermediate support block (301), and the top of the column (101) is fixed to the upper beam seat (102), and the upper beam seat (102) is located directly above the working platform (401); The style adjustment assembly (400) further comprises a push block (402), a second oil cylinder (403), a mounting plate (404), an electromagnetic locking switch (405) and a first oil cylinder (406); The telescopic end of the horizontal oil cylinder (201) is fixed on a mounting plate (404), the mounting plate (404) is fixed on a working platform (401), a second horizontal slide rail parallel to the horizontal axis of the horizontal oil cylinder (201) is provided on the upper side of the working platform (401), a push block (402) is installed on the second horizontal slide rail, the push block (402) is fixedly connected to the telescopic end of the second oil cylinder (403), the second oil inlet and outlet (4031) of the second oil cylinder (403) is connected to the first oil inlet and outlet (4061) of the first oil cylinder (406) through a pipeline, the main body of the first oil cylinder (406) is fixed on the lower beam seat (103), and the telescopic end is fixed on the upper beam seat (102); The body of the electromagnetic locking switch (405) is fixed on the mounting plate (404), and the locking portion of the electromagnetic locking switch (405) is mounted on the body of the second oil cylinder (403).

2. The horizontal support structure of the compression shear testing machine according to claim 1, characterized in that: The push block (402) comprises a docking portion and a connecting rod; the telescopic end of the second oil cylinder (403) is fixedly connected to the docking portion of the push block (402), and two connecting rods are connected to the docking portion. The two connecting rods are symmetrically distributed around the axis of the second oil cylinder (403), and each connecting rod is installed on one of the second horizontal slide rails at the direction end for pushing the sample piece (500).

3. The horizontal support structure of the compression shear testing machine according to claim 1, characterized in that: Both ends of the upper beam seat (102) are respectively fixed to the top end of a column (101).

4. The horizontal support structure of the compression shear testing machine according to claim 3 is characterized in that: The shear force applying component (200) and the style adjusting component (400) constitute an integrated component, wherein one of the integrated components is symmetrically arranged on each side of the center plane between the two columns (101).

5. The horizontal support structure of the compression shear testing machine according to claim 4, characterized in that: During operation, the horizontal cylinders (201) in the two integrated components exert a reverse force.

6. The horizontal support structure of the compression shear testing machine according to claim 1, characterized in that: At least one pair of hydraulic cylinders (303) is fixed on the middle support block (301), and the at least one pair of hydraulic cylinders (303) is symmetrically arranged on both sides of the center plane between the two columns (101).

7. The horizontal support structure of the compression shear testing machine according to claim 1, characterized in that: The lower frame assembly (300) further comprises a bottom frame (302); wherein the middle support block (301) is fixed on the bottom frame (302).

8. The horizontal support structure of the compression shear testing machine according to claim 1, characterized in that: The oil cylinder support frame (202) comprises a sleeve, guide rails located on both sides of the sleeve, and a body connecting the sleeve and the guide rails; a channel is provided on the column (101), and both sides of the channel are the first vertical slide grooves adapted to the guide rails of the oil cylinder support frame (202); wherein the body of the horizontal oil cylinder (201) is fixed in the sleeve, and the telescopic end of the horizontal oil cylinder (201) passes through the channel and docks with the working platform (401).

9. The horizontal support structure of the compression shear testing machine according to claim 3, characterized in that: Both ends of the lower beam seat (103) are respectively installed in second vertical sliding grooves inside the two columns (101).

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