Concrete testing press machine

Abstract

The utility model discloses a concrete test press, which relates to the technical field of concrete experimental instruments and comprises a bottom plate, an extrusion component is arranged at the top of the bottom plate, four fastening plates are movably embedded in the bottom plate, two third electric hydraulic rods are fixedly mounted in the bottom plate, and a protective shell is arranged at the top of the bottom plate. A concrete test block is placed among the four fastening plates, the four fastening plates fix the concrete test block, the protective door is closed, the movable block moves to the top of the first fixed block, and opening of the protective door is limited; an external controller is used for controlling the second electric hydraulic rod to extend, driving the pressing plate to move downwards and fixing the concrete test block, the external controller is used for controlling the first electric hydraulic rod to extend, extruding the concrete test block and observing the force applied by the first electric hydraulic rod when the concrete test block is broken, so that the anti-shearing force of concrete can be more conveniently detected; the functionality is improved, and the application is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete experimental instruments, in particular to a concrete testing press. Background Art

[0002] The concrete pressure testing machine is a testing machine product developed in accordance with the national standard "Standard Test Method for Mechanical Properties of Ordinary Concrete" to measure and judge the performance parameters of concrete and display the test data and results. When in use, the concrete pressure testing machine applies pressure to the test sample, performs destructive tests on the test sample, and records the force applied by the concrete pressure testing machine to the test sample when the test sample is destroyed, thereby completing the test.

[0003] In the prior art, for example, Chinese patent number: CN217304651U discloses an acceptance test device for construction management, including a concrete press body, an oil storage tank, an oil filling pipe, an extension pipe, an oiling brush, a cleaning brush and an oil pump, wherein the oil storage tank is fixedly connected to the left side of the top of the concrete press body, the oil filling pipe is connected to the top of the oil storage tank, the extension pipe is connected to the top of the right side of the oil storage tank, the oiling brush is fixedly connected to the top of the right side of the oil storage tank and is sleeved on the surface of the extension pipe, the cleaning brush is fixedly connected to the front and rear sides of the top of the right side of the oil storage tank, the right sides of the cleaning brush and the oiling brush are in contact with the concrete press body, and the oil pump is fixedly connected to the top of the right side of the inner wall of the oil storage tank. The utility model solves the problem that the existing concrete press adopts a screw-type pressing structure to perform pressing detection on concrete, the surface of the screw is easy to absorb dust after long-term use, and the screw is also stuck and difficult to rotate.

[0004] However, in the process of pressure testing in the above patent, debris is prone to appear, and the residue is pressed away, which may accidentally injure workers. In addition, the press can only test the compressive strength of concrete, and its function is relatively simple and its use is not wide enough. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a concrete testing press, comprising: a base plate, a squeezing assembly is arranged on the top of the base plate, four fastening plates are movably embedded inside the base plate, two electric hydraulic rods are fixedly installed inside the base plate, a protective shell is arranged on the top of the base plate, and a protective door is arranged on one side of the protective shell.

[0007] Preferably, a square hole is provided on the surface of the base plate, two limiting holes 1 are symmetrically provided on the surface of the base plate, four limiting holes 2 are symmetrically provided on the surface of the base plate, and table legs are fixedly installed at the four ends of the bottom of the base plate.

[0008] Preferably, the extrusion assembly includes a U-shaped movable block, four limit blocks 1 are symmetrically installed on the inner side of the bottom of the U-shaped movable block, an electric hydraulic rod 1 is fixedly installed on the top of the inside of the U-shaped movable block, an extrusion block is fixedly installed on the bottom of the electric hydraulic rod 1, an electric hydraulic rod 2 is fixedly installed on the top of the inside of the U-shaped movable block, a clamping plate is fixedly installed on the bottom of the electric hydraulic rod 2, and the bottom of the U-shaped movable block is movably embedded in the two limit holes 1.

[0009] Preferably, four limit blocks 2 are symmetrically installed on both sides of the fastening plate, a spring is fixedly installed on one side of the fastening plate, one end of the spring is fixedly installed on one side inside the limit hole 2, and the bottom of the fastening plate is movably embedded inside the limit hole 2.

[0010] Preferably, one end of the electric hydraulic rod three is fixedly mounted on one side inside the limiting hole one, and the other end of the electric hydraulic rod three is fixedly mounted on one side of the bottom of the U-shaped movable block.

[0011] Preferably, a pressure display is fixedly installed on one side of the protective shell, and the pressure display is electrically connected to an electric hydraulic rod. A clamping plate 1 is fixedly installed on one side of the protective shell, and a movable block is movably embedded inside the clamping plate 1. A clamping plate 2 is fixedly installed on one side of the protective shell.

[0012] Preferably, a fixing block 1 is fixedly installed at the center of one side of the surface of the protective door, and a fixing block 2 is fixedly installed at the center of the other side of the surface of the protective door. The fixing block 2 is movably embedded in the inner side of the second clamping plate.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. When using the device of the utility model, the device is placed on a horizontal surface, the four fastening plates are pushed to both sides, the concrete test block is placed in the middle of the four fastening plates, the four fastening plates fix the column concrete test block, the protective door is closed, the movable block is rotated, the movable block is moved to the top of the fixed block 1, the opening of the protective door is restricted, and the extension of the electric hydraulic rod 1 is controlled by an external controller to drive the extrusion block to extrude the concrete. At the same time, the force applied by the electric hydraulic rod 1 when the concrete test block is broken is observed through the pressure display, which is the maximum pressure that the concrete test block can withstand. During the test, there will be no situation where the residue accidentally injures the staff, and the use is safer.

[0015] 2. The utility model controls the electric hydraulic rod three to shorten through an external controller, drives the extrusion assembly to move toward the square hole, and moves the extrusion block to just above the square hole. The concrete test block to be tested for shear resistance is placed on the bottom plate surface, with one end suspended above the square hole, so that four fastening plates clamp the concrete test block. The electric hydraulic rod two is controlled to extend through an external controller, drives the clamping plate to move downward to fix the concrete test block, and then controls the electric hydraulic rod one to extend through an external controller, drives the extrusion block to extrude the concrete test block. At the same time, the force applied by the electric hydraulic rod one when the concrete test block is broken is observed through a pressure display, which is the maximum shear force that the concrete test block can withstand. The shear resistance of concrete can be tested more conveniently, the functionality is improved, and the application is more extensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model from a first viewing angle;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0018] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 For the utility model Figure 2 Enlarged view of point B in the middle;

[0020] Figure 5 This is a schematic diagram of the first partially disassembled three-dimensional structure of the utility model;

[0021] Figure 6 It is a schematic diagram of a second partial split three-dimensional structure of the utility model;

[0022] Figure 7 It is a schematic diagram of a third partially disassembled three-dimensional structure of the utility model.

[0023] Legend:

[0024] 1. Bottom plate; 101. Square hole; 102. Limit hole 1; 103. Limit hole 2; 104. Table leg; 2. Extrusion assembly; 201. U-shaped movable block; 202. Limit block 1; 203. Electric hydraulic rod 1; 204. Extrusion block; 205. Electric hydraulic rod 2; 206. Clamping plate; 3. Fastening plate; 301. Limit block 2; 302. Spring; 4. Electric hydraulic rod 3; 5. Protective shell; 501. Pressure display; 502. Clamp plate 1; 503. Movable block; 504. Clamp plate 2; 6. Protective door; 601. Fixed block 1; 602. Fixed block 2. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-7 The utility model provides a technical solution: a concrete testing press, comprising: a bottom plate 1, an extrusion assembly 2 is arranged on the top of the bottom plate 1, four fastening plates 3 are movably embedded inside the bottom plate 1, two electric hydraulic rods 4 are fixedly installed inside the bottom plate 1, a protective shell 5 is arranged on the top of the bottom plate 1, and a protective door 6 is arranged on one side of the protective shell 5.

[0027] The concrete test press pushes the four fastening plates 3 to both sides, places the concrete test block in the middle of the four fastening plates 3, fixes the concrete test block with the four fastening plates 3, closes the protective door 6, rotates the movable block 503, moves the movable block 503 to the top of the fixed block 601, limits the opening of the protective door 6, controls the extension of the electric hydraulic rod 203 through an external controller, drives the extrusion block 204 to extrude the concrete, the pressure display 501 is electrically connected to the electric hydraulic rod 203, and at the same time observes the force applied by the electric hydraulic rod 203 when the concrete test block is broken through the pressure display 501, and controls the electric hydraulic rod 203 through an external controller. The third 4 is shortened, driving the extrusion assembly 2 to move toward the square hole 101, so that the extrusion block 204 moves to the top of the square hole 101, and the concrete test block to be tested for shear resistance is placed on the surface of the bottom plate 1, with one end suspended above the square hole 101, so that the four fastening plates 3 clamp the concrete test block, and the electric hydraulic rod 2 205 is controlled to extend through an external controller to drive the clamping plate 206 to move downward to fix the concrete test block, and then the electric hydraulic rod 1 203 is controlled to extend through an external controller to drive the extrusion block 204 to extrude the concrete test block, and at the same time, the force applied by the electric hydraulic rod 1 203 when the concrete test block is broken is observed through the pressure display 501.

[0028] A square hole 101 is provided on the surface of the bottom plate 1 , two limiting holes 102 are symmetrically provided on the surface of the bottom plate 1 , four limiting holes 2 103 are symmetrically provided on the surface of the bottom plate 1 , and table legs 104 are fixedly installed at the four ends of the bottom of the bottom plate 1 .

[0029] Before testing, a concrete test block is placed on the surface of the base plate 1 .

[0030] The extrusion assembly 2 includes a U-shaped movable block 201, four limit blocks 202 are symmetrically installed on the inner side of the bottom of the U-shaped movable block 201, an electric hydraulic rod 203 is fixedly installed on the top of the inside of the U-shaped movable block 201, an extrusion block 204 is fixedly installed on the bottom of the electric hydraulic rod 203, an electric hydraulic rod 205 is fixedly installed on the top of the inside of the U-shaped movable block 201, a clamping plate 206 is fixedly installed on the bottom of the electric hydraulic rod 205, and the bottom of the U-shaped movable block 201 is movably embedded in the two limit holes 102.

[0031] The electric hydraulic rod 203 is controlled by an external controller to extrude concrete. The force applied by the electric hydraulic rod 203 when the concrete test block is broken is observed through the pressure display 501, which is the maximum pressure that the concrete test block can withstand. The extrusion block 204 is moved to the top of the square hole 101. The electric hydraulic rod 205 is controlled to extend by the external controller to drive the clamping plate 206 to move downward to fix the concrete test block. Then, the electric hydraulic rod 203 is controlled to extend by the external controller to drive the extrusion block 204 to extrude the concrete test block. At the same time, the force applied by the electric hydraulic rod 203 when the concrete test block is broken is observed through the pressure display 501, which is the maximum shear force that the concrete test block can withstand.

[0032] Four limiting blocks 301 are symmetrically installed on both sides of the fastening plate 3, a spring 302 is fixedly installed on one side of the fastening plate 3, one end of the spring 302 is fixedly installed on one side inside the limiting hole 103, and the bottom of the fastening plate 3 is movably embedded inside the limiting hole 103.

[0033] Push the four fastening plates 3 to both sides and place the concrete test block between the four fastening plates 3 so that the four fastening plates 3 fix the concrete test block.

[0034] One end of the electric hydraulic rod three 4 is fixedly mounted on one side inside the limiting hole one 102 , and the other end of the electric hydraulic rod three 4 is fixedly mounted on one side at the bottom of the U-shaped movable block 201 .

[0035] The electric hydraulic rod 3 4 is shortened by controlling it through an external controller, so as to drive the extrusion assembly 2 to move toward the square hole 101 , and the extrusion block 204 moves to be just above the square hole 101 .

[0036] A pressure indicator 501 is fixedly installed on one side of the protective shell 5, and the pressure indicator 501 is electrically connected to the electric hydraulic rod 203. A clamping plate 502 is fixedly installed on one side of the protective shell 5, and a movable block 503 is movably embedded inside the clamping plate 502. A clamping plate 2 504 is fixedly installed on one side of the protective shell 5.

[0037] When the protective door 6 is closed, the movable block 503 is rotated to move the movable block 503 to the top of the fixed block 601 to limit the opening of the protective door 6.

[0038] A fixing block 1 601 is fixedly installed at the center of one side of the surface of the protective door 6 , and a fixing block 2 602 is fixedly installed at the center of the other side of the surface of the protective door 6 . The fixing block 2 602 is movably embedded in the inner side of the second clamping plate 504 .

[0039] After the concrete test block is placed, the protective door 6 is closed to prevent accidental injury to the staff.

[0040] Working principle: when using the device, place the device on a horizontal surface, push the four fastening plates 3 to both sides, place the concrete test block in the middle of the four fastening plates 3, fix the concrete test block with the four fastening plates 3, close the protective door 6, rotate the movable block 503, move the movable block 503 to the top of the fixed block 601, limit the opening of the protective door 6, and control the extension of the electric hydraulic rod 203 through an external controller to drive the extrusion block 204 to extrude the concrete. The pressure display 501 is electrically connected to the electric hydraulic rod 203. The force applied by the electric hydraulic rod 203 when the concrete test block is broken is observed through the pressure display 501, which is the maximum pressure that the concrete test block can withstand. During the test, no residue will accidentally injure the staff, and the use is safer. The electric hydraulic rod 203 is controlled by an external controller. The hydraulic rod three 4 is shortened, driving the extrusion assembly 2 to move toward the square hole 101, so that the extrusion block 204 moves to just above the square hole 101, and the concrete test block to be tested for shear resistance is placed on the surface of the base plate 1, with one end suspended above the square hole 101, so that the four fastening plates 3 clamp the concrete test block, and the electric hydraulic rod two 205 is controlled to extend through an external controller to drive the clamping plate 206 to move downward to fix the concrete test block, and then the electric hydraulic rod one 203 is controlled to extend through an external controller to drive the extrusion block 204 to extrude the concrete test block. At the same time, the force applied by the electric hydraulic rod one 203 when the concrete test block is broken is observed through the pressure display 501, which is the maximum shear force that the concrete test block can withstand. It can more conveniently detect the shear resistance of concrete, improve functionality, and have a wider range of uses.

[0041] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not 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 features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

Claims

1. A concrete testing press, characterized in that: include: A base plate (1), wherein an extrusion assembly (2) is arranged on the top of the base plate (1), four fastening plates (3) are movably embedded inside the base plate (1), two electric hydraulic rods (4) are fixedly installed inside the base plate (1), a protective shell (5) is arranged on the top of the base plate (1), and a protective door (6) is arranged on one side of the protective shell (5).

2. A concrete testing press according to claim 1, characterized in that: The surface of the bottom plate (1) is provided with a square hole (101), the surface of the bottom plate (1) is symmetrically provided with two first limiting holes (102), the surface of the bottom plate (1) is symmetrically provided with four second limiting holes (103), and the four ends of the bottom of the bottom plate (1) are fixedly mounted with table legs (104).

3. A concrete testing press according to claim 1, characterized in that: The extrusion assembly (2) comprises a U-shaped movable block (201), four limiting blocks (202) are symmetrically mounted on the inner side of the bottom of the U-shaped movable block (201), an electric hydraulic rod (203) is fixedly mounted on the top of the interior of the U-shaped movable block (201), an extrusion block (204) is fixedly mounted on the bottom of the electric hydraulic rod (203), an electric hydraulic rod (205) is fixedly mounted on the top of the interior of the U-shaped movable block (201), a pressing plate (206) is fixedly mounted on the bottom of the electric hydraulic rod (205), and the bottom of the U-shaped movable block (201) is movably embedded in the two limiting holes (102).

4. A concrete testing press according to claim 1, characterized in that: Four limiting blocks (301) are symmetrically mounted on both sides of the fastening plate (3); a spring (302) is fixedly mounted on one side of the fastening plate (3); one end of the spring (302) is fixedly mounted on one side inside the limiting hole (103); and the bottom of the fastening plate (3) is movably embedded inside the limiting hole (103).

5. A concrete testing press according to claim 1, characterized in that: One end of the electric hydraulic rod three (4) is fixedly mounted on one side inside the limiting hole one (102), and the other end of the electric hydraulic rod three (4) is fixedly mounted on one side of the bottom of the U-shaped movable block (201).

6. A concrete testing press according to claim 1, characterized in that: A pressure display (501) is fixedly mounted on one side of the protective shell (5), a clamping plate 1 (502) is fixedly mounted on one side of the protective shell (5), a movable block (503) is movably embedded inside the clamping plate 1 (502), and a clamping plate 2 (504) is fixedly mounted on one side of the protective shell (5).

7. A concrete testing press according to claim 1, characterized in that: A fixing block 1 (601) is fixedly installed at the center of one side of the surface of the protective door (6), and a fixing block 2 (602) is fixedly installed at the center of the other side of the surface of the protective door (6). The fixing block 2 (602) is movably embedded in the inner side of the second clamping plate (504).

Images