Device for testing compressive strength of recycled concrete sample

Abstract

The utility model discloses a recycled concrete sample compressive strength testing device, and relates to the technical field of recycled concrete.The recycled concrete sample compressive strength testing device comprises a testing box, the testing box is a hollow box body with an opening in the front portion, a containing groove is fixedly connected to the interior of the testing box, and a containing box is fixedly connected to the upper end of the testing box; a hydraulic machine is installed in the placing box, the output end of the hydraulic machine is fixedly connected with a hydraulic rod, the lower end of the hydraulic rod is connected with a pressing block, the pressing block is matched with the placing groove, the upper inner wall of the test box is fixedly connected with a fixing plate, the interior of the fixing plate is slidably connected with a baffle, and the lower end of the baffle is connected with the upper end of the pressing block; and the hydraulic rod placed in the device can be protected through the fixing plate and the baffle, so that the hydraulic rod cannot be damaged due to splashing of chippings.

Description

Technical Field

[0001] The utility model relates to the technical field of recycled concrete, in particular to a device for testing the compressive strength of recycled concrete samples. Background Art

[0002] The compressive strength of recycled concrete (also known as concrete compressive strength) is a parameter that must be tested before concrete is used. It reflects the strength of recycled concrete that can withstand pressure per unit area after solidification. In the national standard, the test of recycled concrete compressive strength is that the testing machine clamps a 150×150×150mm test block made according to the standard method between the upper and lower pressure plates and continuously applies load until the test piece is destroyed. The ultimate load at the time of test piece destruction can reflect the compressive strength of the recycled concrete cube test piece.

[0003] During the compressive strength test, the debris of the test block will splash all over the laboratory floor at the moment of breaking. Since the hydraulic rod is very fragile, the hydraulic rod may be damaged when the splashing test block debris comes into contact with the hydraulic rod. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the present invention provides a compressive strength testing device for recycled concrete specimens, which solves the problem that during the compressive strength test, the debris of the test block will splash all over the laboratory floor at the moment of breaking, and because the hydraulic rod is very fragile, the hydraulic rod may be damaged when the splashing test block debris comes into contact with the hydraulic rod.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the present invention is implemented through the following technical solutions: a recycled concrete sample compressive strength testing device, including a test box, the test box is a hollow box with an opening at the front, the interior of the test box is fixedly connected with a placement groove, the upper end of the test box is fixedly connected with a placement box, a hydraulic press is installed inside the placement box, the output end of the hydraulic press is fixedly connected with a hydraulic rod, the lower end of the hydraulic rod is connected with a pressure block, the pressure block cooperates with the placement groove, the upper inner wall of the test box is fixedly connected with a fixed plate, the interior of the fixed plate is slidably connected with a baffle, and the lower end of the baffle is connected to the upper end of the pressure block.

[0008] Preferably, two sliding rods are fixedly connected inside the test box, and the circumferential surfaces of the two sliding rods are slidably connected with sliders. The adjacent ends of the two sliders are fixedly connected to the left and right ends of the pressing block respectively, and two movable grooves are provided at the upper end of the placement groove, and the two movable grooves are respectively matched with the two sliders.

[0009] Preferably, a bottom plate is fixedly connected to the lower end of the test box, and a cushion is fixedly connected to the lower end of the bottom plate.

[0010] Preferably, a box door is movably hinged at the front end of the test box, and a handle is fixedly connected to the front end of the box door.

[0011] Preferably, an observation window is fixedly connected to the front end of the box door.

[0012] Preferably, a control switch is fixedly connected to the right end of the test box, and the control switch is electrically connected to the hydraulic motor.

[0013] Preferably, a regulating plate is fixedly mounted on the right end of the control switch.

[0014] Beneficial Effects

[0015] The new utility model provides a device for testing the compressive strength of recycled concrete samples. It has the following beneficial effects:

[0016] When it is necessary to perform a strength test on the recycled concrete, the recycled concrete is placed inside the placement groove. When the hydraulic press placed inside the placement box is started, the hydraulic rod is driven to descend. Since the hydraulic rod is connected to the pressure block, the strength test of the recycled concrete placed inside the placement groove can be performed through the pressure block. Since the upper interior of the test box is fixedly connected to the fixed plate, and the internal sliding baffle of the fixed plate is connected to the upper end of the pressure block, the hydraulic rod placed inside it can be protected by the fixed plate and the baffle, so that it will not be damaged by the splashing of debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the practical structure of the new invention;

[0018] Figure 2 This is the first practical stereogram of the new invention;

[0019] Figure 3 This is the first sectional view of the utility model;

[0020] Figure 4 This is the second sectional view of the utility model.

[0021] In the figure: 1. test box; 2. bottom plate; 3. cushion; 4. box door; 5. handle; 6. observation window; 7. control switch; 8. control panel; 9. placement box; 10. hydraulic rod; 11. pressure block; 12. fixed plate; 13. baffle; 14. placement slot; 15. moving slot; 16. sliding rod; 17. slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the practical embodiments of the new model to clearly and completely describe the technical solutions in the practical embodiments of the new model. Obviously, the described embodiments are only part of the embodiments of the new model, not all of them. Based on the embodiments in the new model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the new model.

[0023] See also Figure 1-4 The present invention provides a technical solution: a device for testing the compressive strength of recycled concrete samples, comprising a test box 1, which is a hollow box with an opening at the front, a placement slot 14 fixedly connected inside the test box 1, a placement box 9 fixedly connected at the upper end of the test box 1, a hydraulic press installed inside the placement box 9, a hydraulic rod 10 fixedly connected at the output end of the hydraulic press, a pressure block 11 connected at the lower end of the hydraulic rod 10, the pressure block 11 cooperates with the placement slot 14, a fixed plate 12 fixedly connected to the upper inner wall of the test box 1, a baffle 13 slidably connected inside the fixed plate 12, and the lower end of the baffle 13 is connected to the upper end of the pressure block 11.

[0024] During operation, when it is necessary to perform a strength test on the recycled concrete, the recycled concrete is placed inside the placement groove 14. When the hydraulic press placed inside the placement box 9 is started, the hydraulic rod 10 is driven to descend. Since the hydraulic rod 10 is connected to the pressure block 11, the strength test of the recycled concrete placed inside the placement groove 14 can be performed through the pressure block 11. Since the upper interior of the test box 1 is fixedly connected to the fixed plate 12, and the internal sliding baffle 13 of the fixed plate 12 is connected to the upper end of the pressure block 11, the hydraulic rod 10 placed inside it can be protected by the fixed plate 12 and the baffle 13, so that it will not be damaged by the splashing of debris.

[0025] See also Figure 1-4 The present invention provides a technical solution: two sliding rods 16 are fixedly connected inside the test box 1, and the circumferential surfaces of the two sliding rods 16 are slidably connected with sliders 17. The close ends of the two sliders 17 are fixedly connected to the left and right ends of the pressing block 11 respectively, and two moving grooves 15 are provided at the upper end of the placement groove 14, and the two moving grooves 15 are respectively matched with the two sliders 17.

[0026] During operation, the two sliders 17 slide on the circumferential surface of the sliding rod 16 , and the two sliders 17 are fixedly connected to the pressing block 11 , so that the movement of the pressing block 11 can be limited.

[0027] See also Figure 1-4 The present invention provides a technical solution: the lower end of the test box 1 is fixedly connected to a bottom plate 2, and the lower end of the bottom plate 2 is fixedly connected to a cushion 3.

[0028] During operation, the bottom plate 2 and the cushion 3 cooperate with each other to offset the gravity of the test box 1 .

[0029] See also Figure 1-4 The present invention provides a technical solution: a box door 4 is movably hinged at the front end of the test box 1, and a handle 5 is fixedly connected to the front end of the box door 4.

[0030] During operation, when the interior of the test box 1 needs to be opened, the box door 4 can be opened by pulling the handle 5 .

[0031] See also Figure 1-4 The present invention provides a technical solution: an observation window 6 is fixedly connected to the front end of the box door 4.

[0032] During operation, the interior of the test box 1 can be observed through the observation window 6 .

[0033] See also Figure 1-4 The present invention provides a technical solution: the right end of the test box 1 is fixedly connected with a control switch 7, and the control switch 7 is electrically connected to the hydraulic motor.

[0034] During operation, the hydraulic press can be started and stopped by controlling the switch 7.

[0035] See also Figure 1-4 The present invention provides a technical solution: a regulating plate 8 is fixedly installed on the right end of the control switch 7.

[0036] During operation, the descending force of the hydraulic press can be controlled by the regulating plate 8.

[0037] In summary, when it is necessary to perform a strength test on the recycled concrete, the recycled concrete is placed inside the placement groove 14. When the hydraulic press placed inside the placement box 9 is started, the hydraulic rod 10 is driven to descend. Since the hydraulic rod 10 is connected to the pressure block 11, the strength test of the recycled concrete placed inside the placement groove 14 can be performed through the pressure block 11. Since the upper interior of the test box 1 is fixedly connected to the fixed plate 12, and the internal sliding baffle 13 of the fixed plate 12 is connected to the upper end of the pressure block 11, the hydraulic rod 10 placed inside it can be protected by the fixed plate 12 and the baffle 13, so that it will not be damaged due to the splash of debris.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for testing the compressive strength of recycled concrete samples, comprising a test box (1), characterized in that: The test box (1) is a hollow box body with an opening at the front. A placement groove (14) is fixedly connected inside the test box (1). A placement box (9) is fixedly connected at the upper end of the test box (1). A hydraulic press is installed inside the placement box (9). A hydraulic rod (10) is fixedly connected at the output end of the hydraulic press. A pressure block (11) is connected at the lower end of the hydraulic rod (10). The pressure block (11) cooperates with the placement groove (14). A fixed plate (12) is fixedly connected to the upper inner wall of the test box (1). A baffle (13) is slidably connected inside the fixed plate (12). The lower end of the baffle (13) is connected to the upper end of the pressure block (11).

2. A recycled concrete sample compressive strength testing device according to claim 1, characterized in that: Two sliding rods (16) are fixedly connected inside the test box (1), and the circumferential surfaces of the two sliding rods (16) are slidably connected with sliders (17). The adjacent ends of the two sliders (17) are fixedly connected to the left and right ends of the pressing block (11) respectively. The upper end of the placement groove (14) is provided with two moving grooves (15), and the two moving grooves (15) are respectively matched with the two sliders (17).

3. A recycled concrete sample compressive strength testing device according to claim 1, characterized in that: The lower end of the test box (1) is fixedly connected to a bottom plate (2), and the lower end of the bottom plate (2) is fixedly connected to a soft pad (3).

4. A recycled concrete sample compressive strength testing device according to claim 1, characterized in that: The front end of the test box (1) is movably hinged with a box door (4), and the front end of the box door (4) is fixedly connected with a handle (5).

5. A recycled concrete sample compressive strength testing device according to claim 4, characterized in that: An observation window (6) is fixedly connected to the front end of the box door (4).

6. A recycled concrete sample compressive strength testing device according to claim 1, characterized in that: A control switch (7) is fixedly connected to the right end of the test box (1), and the control switch (7) is electrically connected to the hydraulic machine.

7. A recycled concrete sample compressive strength testing device according to claim 6, characterized in that: A regulating plate (8) is fixedly mounted on the right end of the control switch (7).

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