Fiber concrete compressive strength testing machine

Abstract

The utility model relates to the technical field of concrete test block compressive strength testing equipment, in particular to a fiber concrete compressive strength testing machine which is characterized in that a workbench is fixedly arranged on a base, a supporting seat is arranged on the workbench, a transmission arm is arranged on the supporting seat, a transmission seat is arranged below the left end of the transmission arm, and a wheel carrier is arranged on the right side of the supporting seat; the guide wheel is rotationally arranged on the wheel frame through a rotating shaft, the section, located on the right side of the supporting base, of the upper surface of the workbench is a slope face, the guide wheel frame is arranged on the slope face of the workbench, and the supporting wheel is rotationally arranged on the wheel frame through a rotating shaft and movably abuts against the lower surface of the transmission arm; by arranging the transmission arm with the length of the force arm adjustable and arranging the corresponding jacking driving structure, the equipment is suitable for testing the ultimate strength of different test blocks.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete test block compressive testing equipment, and particularly relates to a fiber concrete compressive strength testing machine. Background Art

[0002] When pouring a structure with concrete, standard test blocks need to be made with the same concrete used for pouring at the same time. After curing the test blocks and the structure together, the compressive strength of the test blocks is tested after the specified time to determine whether the strength of the poured structure meets the standard. The existing standardized compressive strength testing equipment uses a testing mode to check whether the concrete test block will break under the standard pressure condition. However, for some new material concrete test blocks, it is necessary to test the ultimate compressive strength under different pressure intensities, which makes the conventional testing equipment unable to complete the testing work. Therefore, corresponding testing tools need to be developed. Summary of the Invention

[0003] The purpose of the utility model is to provide a fiber concrete compressive strength testing machine for the defects and deficiencies of the existing technology. By setting a transmission arm with an adjustable arm length and a corresponding jacking drive structure, the equipment is suitable for testing the ultimate strength of different test blocks.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It includes a base, and it also includes:

[0006] A workbench, which is fixedly arranged on the base;

[0007] A support seat, which is arranged on the workbench;

[0008] A transmission arm, which is arranged on the support seat;

[0009] A transmission seat, which is arranged below the left end of the transmission arm;

[0010] A wheel frame, which is arranged on the right side of the support seat;

[0011] A guide wheel, which is rotatably arranged on the wheel frame through a rotating shaft. The upper surface of the workbench on the right side section of the support seat is set as a slope surface, and the guide wheel is arranged on the slope surface of the workbench;

[0012] A support wheel, which is rotatably arranged on the wheel frame through a rotating shaft, and the support wheel is movably abutted against the lower surface of the transmission arm.

[0013] Preferably, a lead screw is rotatably provided on the upper surface of the workbench through a bearing. The lead screw is threadedly connected and passed through the support base, and the lower surface of the support base is movably abutted against the upper surface of the workbench. A guide sleeve is rotatably sleeved on the support base through a bearing, and the transmission arm is movably passed through the guide sleeve.

[0014] Preferably, a support frame is fixedly provided on the base, and the support frame is arranged on the left side of the workbench. Slide rails are fixedly provided on the front and rear sides of the support frame in a front-back symmetrical manner, and the front and rear side walls of the transmission seat are movably mounted on the slide rails on the front and rear sides.

[0015] Preferably, a load-bearing seat is rotatably provided at the left end of the transmission arm through a rotating shaft. Several rollers are movably embedded on the lower surface of the load-bearing seat, and the load-bearing seat is abutted against the upper surface of the transmission seat through the rollers.

[0016] Preferably, a test head is arranged below the transmission seat. Sliders are fixedly provided on the front and rear side walls of the test head, and the sliders are slidably mounted on the slide rails. The lower surface of the transmission seat is movably abutted against the upper surface of the test head.

[0017] Preferably, a shaft seat is fixedly provided on the workbench. A hydraulic rod is rotatably provided on the shaft seat through a rotating shaft. A connecting frame is fixedly provided on the output shaft of the hydraulic rod, and the connecting frame is rotatably provided on the wheel frame through a rotating shaft.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] By providing a transmission arm with an adjustable arm length and a corresponding jacking drive structure, the equipment is applicable to the ultimate strength test of different test blocks. Description of the Drawings

[0020] Figure 1 is a structural schematic diagram of the present utility model.

[0021] Figure 2 is Figure 1 the left front side view of

[0022] Figure 3 is a structural schematic diagram of the transmission arm in the present utility model.

[0023] Figure 4 is a structural schematic diagram of the load-bearing seat, the transmission seat, and the test head in the present utility model.

[0024] Figure 5 is a structural schematic diagram of the wheel frame, the guide wheel, and the load-bearing wheel in the present utility model.

[0025] Description of the Reference Numerals:

[0026] Base 1, workbench 2, support base 3, transmission arm 4, transmission base 5, wheel frame 6, guide wheel 7, support wheel 8, lead screw 9, guide sleeve 10, support frame 11, slide rail 12, load-bearing seat 13, roller 14, test head 15, slider 16, shaft seat 17, hydraulic rod 18, connecting frame 19. Detailed implementation method

[0027] Next, in combination with the attached drawings, the technical solutions in the present utility model will be clearly and completely described. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present utility model. Embodiment 1

[0028] As Figures 1-5 shown, this embodiment includes a base 1 and a support frame 11, wherein the support frame 11 is fixedly arranged on the base 1;

[0029] Slide rails 12, two of the slide rails 12 are symmetrically arranged front and back and fixedly arranged on the support frame 11;

[0030] Test head 15, the test head 15 is arranged between the front and rear slide rails 12;

[0031] Sliders 16, two of the sliders 16 are respectively fixedly arranged on the front and rear side walls of the test head 15, and the sliders 16 are slidably mounted on the slide rails 12;

[0032] Transmission base 5, the transmission base 5 is mounted on the slide rails 12, and the lower surface of the transmission base 5 is movably abutted against the upper surface of the test head 15;

[0033] Workbench 2, the workbench 2 is fixedly arranged on the base 1, and the workbench 2 is arranged on the right side of the support frame 11. The right section of the upper surface of the workbench 2 is arranged as a downward-sloping ramp surface;

[0034] Lead screw 9, the lead screw 9 is rotatably arranged on the horizontal plane of the upper surface of the workbench 2 through a bearing;

[0035] Support base 3, the support base 3 is threadedly sleeved on the lead screw 9, and the lower surface of the support base 3 is movably abutted against the horizontal plane of the upper surface of the workbench 2;

[0036] Guide sleeve 10, the guide sleeve 10 is rotatably arranged on the support base 3 through a rotating shaft;

[0037] Transmission arm 4, the transmission arm 4 is movably inserted into the guide sleeve 10;

[0038] Load-bearing seat 13, the load-bearing seat 13 is rotatably arranged at the left end of the transmission arm 4 through a rotating shaft, and the load-bearing seat 13 is arranged above the transmission base 5;

[0039] The roller 14 is movably embedded in the lower surface of the load-bearing seat 13, and the load-bearing seat 13 is movably abutted against the upper surface of the transmission seat 5 through a roller shaft;

[0040] The shaft seat 17 is fixedly arranged on the upper surface of the workbench 2;

[0041] The hydraulic rod 18 is rotatably arranged on the shaft seat 17 through a rotating shaft;

[0042] The connecting frame 19 is fixedly arranged on the output shaft of the hydraulic rod 18;

[0043] The wheel frame 6 is rotatably arranged in the connecting frame 19 through a rotating shaft;

[0044] The guide wheel 7 is rotatably arranged on the wheel frame 6 through a rotating shaft, and the guide wheel 7 is movably abutted against the inclined plane on the upper surface of the workbench 2;

[0045] The supporting wheel 8 is rotatably arranged on the wheel frame 6 through a rotating shaft, and the supporting wheel 8 is movably abutted against the lower surface of the transmission arm 4.

[0046] After adopting the technical solution disclosed by the present utility model, the following can be achieved:

[0047] When using this device, install the corresponding test head 15 according to different test items. Slide the test head 15 on the slide rail 12 through the slider 16 and abut it against the transmission seat 5 to complete the installation of the test head 15. Then, adjust the position of the support seat 3 according to the test strength, that is, adjust the fulcrum position of the transmission arm 4, that is, adjust the force arm ratio of the two sides of the transmission arm 4 located on both sides of the support seat 3, and realize changing the magnitude of the forces at the left and right ends of the transmission arm through the lever principle. Push the support seat 3 to move by rotating the lead screw 9, so that the support seat 3 drives the guide sleeve 10 to move. At this time, the left end of the transmission arm 4 is limited by the butt joint of the load-bearing seat 13 and the transmission seat 5, so as to realize adjusting the position of the guide sleeve 10 on the transmission arm 4; place the concrete test block on the base 1 and make the test head 15 abut against the upper surface of the test block. Then, start the hydraulic rod 18 and drive the wheel frame to push leftward through the connecting frame 19. The wheel frame 6 slides leftward on the inclined plane of the workbench 2 through the guide wheel 7, and the wheel frame 6 slides leftward on the lower surface of the transmission arm 4 through the load-bearing wheel. The wheel frame moves leftward and rises, thereby pushing the right end of the transmission arm to lift, so that the left end of the transmission arm is pressed down, and the transmission arm 4 drives the test head 15 to press down through the load-bearing seat 13 and the transmission seat 5, realizing the compressive test on the test block through the test head 15.

[0048] By adopting the above technical solution, the following technical advantages can be achieved:

[0049] The device realizes the change of the lever arm lengths on both sides of the transmission arm 4 by setting the transmission arm 4 with adjustable support points, thereby changing the support points of the transmission arm. Thus, without changing the active force applied to the transmission arm 4, the magnitude of the force exerted by the transmission arm 4 pressing down on the transmission seat 5 is changed, so as to realize the pressure tests of different items on the test block.

[0050] For those skilled in the art, they can modify the technical solutions recorded in the foregoing embodiments and make equivalent replacements for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A fiber concrete compressive strength testing machine, comprising a base (1); characterized in that: It also contains: A workbench (2), wherein the workbench (2) is fixedly arranged on the base (1); A support seat (3), wherein the support seat (3) is arranged on the workbench (2); A transmission arm (4), wherein the transmission arm (4) is arranged on the support base (3); A transmission seat (5), wherein the transmission seat (5) is arranged below the left end of the transmission arm (4); A wheel frame (6), wherein the wheel frame (6) is arranged on the right side of the support seat (3); A guide wheel (7), wherein the guide wheel (7) is rotatably mounted on the wheel frame (6) via a rotating shaft, the upper surface of the workbench (2) is located on the right side of the support seat (3) and is arranged as a sloped surface, and the guide wheel (7) is mounted on the sloped surface of the workbench (2); A support wheel (8), wherein the support wheel (8) is rotatably mounted on the wheel frame (6) via a rotating shaft, and the support wheel (8) is movably mounted on the lower surface of the transmission arm (4).

2. A fiber concrete compressive strength testing machine according to claim 1, characterized in that: A screw rod (9) is screwed onto the upper surface of the workbench (2) via a bearing, the screw rod (9) is screwed onto the support seat (3) via a thread, and the lower surface of the support seat (3) is movably supported on the upper surface of the workbench (2), a guide sleeve (10) is screwed onto the support seat (3) via a bearing, and the transmission arm (4) is movably inserted into the guide sleeve (10).

3. A fiber concrete compressive strength testing machine according to claim 2, characterized in that: A support frame (11) is fixedly arranged on the base (1), and the support frame (11) is arranged on the left side of the workbench (2). Slide rails (12) are fixedly arranged on the support frame (11) in a front-to-back symmetrical manner. The front and rear side walls of the transmission seat (5) are movably mounted on the front and rear side slide rails (12).

4. A fiber concrete compressive strength testing machine according to claim 3, characterized in that: The left end of the transmission arm (4) is rotatably provided with a bearing seat (13) via a rotating shaft, and a plurality of rollers (14) are movably embedded on the lower surface of the bearing seat (13), and the bearing seat (13) is supported on the upper surface of the transmission seat (5) via the rollers.

5. A fiber concrete compressive strength testing machine according to claim 4, characterized in that: A test head (15) is arranged below the transmission seat (5), and sliders (16) are fixedly arranged on the front and rear side walls of the test head (15). The sliders (16) are slidably mounted on the slide rails (12), and the lower surface of the transmission seat (5) is movably mounted on the upper surface of the test head (15).

6. A fiber concrete compressive strength testing machine according to claim 5, characterized in that: An axle seat (17) is fixedly arranged on the workbench (2), a hydraulic rod (18) is rotatably arranged on the axle seat (17) via a rotating shaft, a connecting frame (19) is fixedly arranged on the output shaft of the hydraulic rod (18), and the connecting frame (19) is rotatably arranged on the wheel frame (6) via a rotating shaft.

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