Novel high-strength concrete strength detection device

Abstract

The utility model relates to a novel high-strength concrete strength detection device, which belongs to the technical field of concrete performance testing, and comprises a test board, a test frame is mounted on the test board, a liftable test block is mounted in the test frame, a lifting device for driving the test block to ascend is mounted on one side of the test frame, and the lifting device is mounted on the other side of the test frame. An adjusting and pressurizing device is mounted in the test frame and above the test block; after the structure is adopted, the device has the advantages that the height of the fixed plate and the height of the movable plate are changed by adjusting the supercharging device, the distance between the movable plate and the test block is adjusted, and the stress stroke of the adjusting spring is changed, so that the force of the test block doing free falling motion to smash a high-strength concrete block is changed; the strength of the concrete block under different strengths is tested, the detected data is more, and the experimental data is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete performance testing, in particular to a novel high-strength concrete strength testing device. Background Art

[0002] Concrete refers to an artificial stone made by mixing cement as the main cementitious material with water, sand, gravel, and, when necessary, chemical admixtures and mineral admixtures in appropriate proportions, and then evenly mixing, compacting, forming, and curing and hardening. Concrete is an essential building material at construction sites. After the construction with concrete is completed, the strength of the concrete samples needs to be tested using a concrete strength testing device.

[0003] A Chinese patent discloses a bridge concrete strength testing device (authorization announcement number CN214224796U). This patented technology has the characteristics of increasing protection for the bridge concrete strength testing device to prevent the concrete from breaking and jumping onto the operator when the concrete sample is tested for strength, causing the operator to be injured. However, during the strength test, the strength cannot be adjusted and the concrete can only be tested at a certain pressure, which leads to less test data and inaccurate experimental data. Utility Model Content

[0004] The utility model aims to solve the above technical problems and provides a novel high-strength concrete strength detection device.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] A novel high-strength concrete strength testing device comprises a test bench, a test frame is installed on the test bench, a test block that can be raised and lowered is installed in the test frame, a lifting device for driving the test block to rise is installed on one side of the test frame, and a regulating and boosting device is installed in the test frame and above the test block;

[0007] The regulating boost device comprises a fixed plate and a movable plate detachably mounted in the test frame, a limiting column is mounted on the movable plate and the limiting column passes through the fixed plate, and an regulating spring is mounted outside the limiting column and between the fixed plate and the movable plate.

[0008] Preferably, the lifting device includes a driving motor, an incomplete gear, a driven gear, a winding wheel and a rotating shaft, the incomplete gear is arranged at the output end of the driving motor, the winding wheel and the driven gear are fixedly connected to the outside of the rotating shaft, a mounting plate is installed on one side of the test frame, the rotating shaft is installed on the mounting plate through a bearing seat, the driven gear and the incomplete gear are meshed and connected, a rope is installed on the test block, and the rope passes through the fixed plate and the movable plate to connect the winding wheel.

[0009] Preferably, a first sliding wheel and a second sliding wheel are installed on the bearing of the test frame, and the rope passes through the fixed plate and the movable plate and is sequentially wound around the first sliding wheel and the second sliding wheel before connecting the winding wheels.

[0010] Preferably, a first connecting hole for use with a rope is provided on the test frame.

[0011] Preferably, the fixed plate and the movable plate are provided with second connecting holes for use with ropes.

[0012] Preferably, the fixing plate is provided with a limiting hole for cooperating with the limiting column.

[0013] Preferably, slide blocks are installed on both sides of the fixing plate, a slide groove for cooperating with the slide blocks is provided on the test frame, a screw is installed at one end of the slide block away from the test bench, and a gasket and a fixing nut are installed on the outer side of the screw.

[0014] Preferably, a moving hole is provided on the test stand, and a blocking rod is installed in the moving hole to prevent the test block from moving downward.

[0015] After adopting the above structure, the utility model has the following advantages:

[0016] The utility model changes the height of the fixed plate and the movable plate by adjusting the boosting device, changes the distance adjustment between the movable plate and the test block, changes the force stroke of the adjusting spring, thereby changing the force of the test block hitting the high-strength concrete block in free fall motion, tests the strength of the concrete block under different forces, and detects more data and makes the experimental data more accurate.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a first structural schematic diagram of the utility model;

[0020] Figure 2 It is a second structural schematic diagram of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the regulating boosting device of the utility model.

[0022] As shown in the figure: 1. test bench; 2. test frame; 201. first connecting hole; 3. test block; 4. lifting device; 401. driving motor; 402. incomplete gear; 403. driven gear; 404. winding wheel; 405. rotating shaft; 406. mounting plate; 407. rope; 5. first sliding wheel; 6. second sliding wheel; 7. adjusting boost device; 701. fixed plate; 702. movable plate; 703. limiting column; 704. adjusting spring; 8. second connecting hole; 9. limiting hole; 10. slider; 11. slide groove; 12. screw; 13. moving hole; 14. stop rod. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 or an electrical connection; 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 this application can be understood according to specific circumstances.

[0025] The utility model is further described in detail below in conjunction with the full text.

[0026] Combined with Figure 1-Figure 3 A novel high-strength concrete strength detection device comprises a test bench 1, a test frame 2 is installed on the test bench 1, a test block 3 which can be raised and lowered is installed in the test frame 2, a lifting device 4 for driving the test block 3 to rise is installed on one side of the test frame 2, an adjusting boosting device 7 is installed in the test frame 2 and above the test block 3, the lifting device 4 can drive the test block 3 to rise, when the test block 3 rises to a certain height, the test block 3 performs free fall motion and hits the high-strength concrete block to test the strength of the concrete block after forming, the strength of the test block 3 can be adjusted by adjusting the boosting device 7, and the strength test of the high-strength concrete block with various strengths can be realized.

[0027] When the utility model is implemented, Figure 1 and Figure 2As shown. The regulating boost device 7 comprises a fixed plate 701 and a movable plate 702 which are detachably mounted in the test frame 2. A limiting column 703 is mounted on the movable plate 702 and the limiting column 703 penetrates the fixed plate 701. An adjusting spring 704 is mounted on the outer side of the limiting column 703 and between the fixed plate 701 and the movable plate 702. A limiting hole 9 for cooperating with the limiting column 703 is provided on the fixed plate 701. When the lifting device 4 pulls the test block 3 upward through the rope 407, when it contacts the movable plate 702, it continues to move upward, the adjusting spring 704 is compressed, and the limiting column 703 moves upward in the limiting hole 9. When the lifting device 4 withdraws its force, the test block 3 performs a free fall motion and hits the high-strength concrete block. At the same time, the adjusting spring 704 stretches to push the test block 3 downward, thereby increasing the stress strength of the high-strength concrete block.

[0028] Specifically, sliders 10 are installed on both sides of the fixed plate 701, and a slide groove 11 for cooperating with the slider 10 is provided on the test frame 2. A screw rod 12 is installed at the end of the slider 10 away from the test bench 1, and a gasket and a fixing nut are installed on the outer side of the screw rod 12. The slider 10 can slide up and down in the slide groove 11 to change the height of the fixed plate 701 and the movable plate 702. By changing the distance adjustment between the movable plate 702 and the test block 3, the elastic force of the spring 704 is adjusted to be different when it is subjected to force, and the force of the test block 3 hitting the high-strength concrete block in free fall is changed. The gasket and the fixing nut are installed on the outer side of the screw rod 12, so that the fixed plate 701 and the test frame 2 are fixedly connected.

[0029] When the utility model is implemented, Figure 1-Figure 3As shown, the lifting device 4 includes a driving motor 401, an incomplete gear 402, a driven gear 403, a winding wheel 404 and a rotating shaft 405, the incomplete gear 402 is arranged at the output end of the driving motor 401, the winding wheel 404 and the driven gear 403 are fixedly connected to the outside of the rotating shaft 405, a mounting plate 406 is installed on one side of the test frame 2, the rotating shaft 405 is installed on the mounting plate 406 through a bearing seat, the driven gear 403 and the incomplete gear 402 are meshed and connected, a rope 407 is installed on the test block 3 and the rope 407 passes through the fixed plate 701 and the movable plate 702 to connect the winding wheel 404, the first sliding wheel 5 and the second sliding wheel 6 are installed on the bearing on the test frame 2, and the rope 407 passes through the fixed plate 701 and The movable plate 702 is wound around the first sliding wheel 5 and the second sliding wheel 6 in sequence and connected to the winding wheel 404. The test frame 2 is provided with a first connecting hole 201 for use with the rope 407. The fixed plate 701 and the movable plate 702 are provided with a second connecting hole 8 for use with the rope 407. When the driving motor 401 is working, it drives the incomplete gear 402 to rotate, and at the same time drives the meshing driven gear 403 to rotate, and drives the rotating shaft 405 to rotate in the bearing seat. The winding wheel 404 selects to wind the rope 407, and under the guidance of the first sliding wheel 5 and the second sliding wheel 6, drives the test block 3 to rise. When the incomplete gear 402 is not meshed with the driven gear 403, the test block 3 performs a free fall motion and hits the high-strength concrete block.

[0030] The driving motor 401 is fixedly connected to the mounting plate 406 by means of bolts, and the bearing seat is fixedly connected to the mounting plate 406 by means of bolts.

[0031] When the utility model is implemented, Figure 1 and Figure 2 As shown, a moving hole 13 is provided on the test stand 2, and a blocking rod 14 is installed in the moving hole 13 to prevent the test block 3 from moving downward. When not in use, the blocking rod 14 can be inserted into the moving hole 13 to drop and block the test block 3.

[0032] The working principle of this utility model:

[0033] When in use, place the high-strength concrete block directly below the test block 3, and adjust the distance between the fixed plate 701 and the movable plate 702 and the test block 3 by changing the height of the fixed plate 701 and the movable plate 702. The fixed plate 701 and the test frame 2 are fixedly connected by installing the gasket and the fixing nut on the outside of the screw 12. When the driving motor 401 is working, it drives the incomplete gear 402 to rotate, and at the same time drives the meshing driven gear 403 to rotate, and drives the rotating shaft 405 to rotate in the bearing seat. The winding wheel 404 selects the winding rope 407, and under the guidance of the first sliding wheel 5 and the second sliding wheel 6, drives the test block 3 to rise. When the incomplete gear 402 is not meshed with the driven gear 403, the test block 3 performs a free fall motion to hit the high-strength concrete block to test the strength of the concrete block after molding.

[0034] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A novel high-strength concrete strength testing device, comprising a test bench (1), characterized in that: The test bench (1) is provided with a test frame (2), a test block (3) that can be raised and lowered is provided in the test frame (2), a lifting device (4) for driving the test block (3) to rise is provided on one side of the test frame (2), and a pressure regulating device (7) is provided in the test frame (2) and above the test block (3); The regulating boost device (7) comprises a fixed plate (701) and a movable plate (702) which are detachably mounted in the test frame (2); a limiting column (703) is mounted on the movable plate (702) and the limiting column (703) passes through the fixed plate (701); and an regulating spring (704) is mounted outside the limiting column (703) and between the fixed plate (701) and the movable plate (702).

2. According to claim 1, a new type of high-strength concrete strength detection device is characterized in that: The lifting device (4) comprises a driving motor (401), an incomplete gear (402), a driven gear (403), a winding wheel (404) and a rotating shaft (405), wherein the incomplete gear (402) is arranged at the output end of the driving motor (401), the winding wheel (404) and the driven gear (403) are fixedly connected to the outside of the rotating shaft (405), a mounting plate (406) is installed on one side of the test frame (2), the rotating shaft (405) is installed on the mounting plate (406) through a bearing seat, the driven gear (403) and the incomplete gear (402) are meshed and connected, and a rope (407) is installed on the test block (3), and the rope (407) passes through the fixed plate (701) and the movable plate (702) to connect the winding wheel (404).

3. A novel high-strength concrete strength detection device according to claim 2, characterized in that: A first sliding wheel (5) and a second sliding wheel (6) are mounted on a bearing on the test frame (2), and the rope (407) passes through the fixed plate (701) and the movable plate (702), and is sequentially wound around the first sliding wheel (5) and the second sliding wheel (6) before being connected to the winding wheel (404).

4. A novel high-strength concrete strength detection device according to claim 3, characterized in that: The test frame (2) is provided with a first communication hole (201) for use with the rope (407).

5. According to claim 3, a new type of high-strength concrete strength detection device is characterized in that: The fixed plate (701) and the movable plate (702) are provided with a second communication hole (8) for use with the rope (407).

6. According to the novel high-strength concrete strength detection device of claim 1, it is characterized by: The fixing plate (701) is provided with a limiting hole (9) for use with the limiting column (703).

7. A novel high-strength concrete strength detection device according to claim 1, characterized in that: Slide blocks (10) are installed on both sides of the fixing plate (701), and a slide groove (11) used in conjunction with the slide block (10) is provided on the test frame (2). A screw rod (12) is installed at one end of the slide block (10) away from the test bench (1), and a gasket and a fixing nut are installed on the outer side of the screw rod (12).

8. According to claim 1, a new type of high-strength concrete strength detection device is characterized in that: The test stand (2) is provided with a moving hole (13), and a blocking rod (14) is installed in the moving hole (13) to prevent the test block (3) from moving downward.

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