Electric bending test device for building materials

Abstract

The utility model discloses an electric bending test device for building materials, which relates to the technical field of electric bending tests for building materials and comprises a supporting plate, a machine body is fixedly connected to the upper surface of the supporting plate, a main shaft is rotatably connected in the machine body, and a supporting block is fixedly connected to the side surface of the main shaft. A pair of U-shaped frames are fixedly connected to the upper surface of the supporting block, supporting rods are installed in the U-shaped frames, a plurality of supporting legs are fixedly connected to the bottom face of the supporting plate, a discharging hopper is fixedly connected to the bottom of the inner surface of the machine body, the lower end of the discharging hopper penetrates through the supporting plate, and a machine door is installed on the front wall of the machine body. According to the device, crushed materials on the supporting blocks can fall off and fall into the waste box through the discharging hopper by turning over the supporting blocks, and the crushed materials are convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of electric flexural test of building materials, in particular to an electric flexural test device for building materials. Background Technique

[0002] With the development of life, people's requirements for buildings are getting higher and higher. Therefore, the requirements for building materials are also increasing day by day. For these building materials, some testing equipment is needed for testing. The electric flexural testing machine is mainly used by construction units and relevant professional colleges and research institutions to test the flexural strength of building materials.

[0003] For example, in the utility model patent with the publication number of CN215492824U, an electric cement flexural testing machine is disclosed, which includes a base and a top plate. A support plate is fixed between the base and the top plate. A support frame is arranged at the top end of the base. A hydraulic telescopic rod is installed in the middle of the top plate. In this utility model, the support block is detachably installed and connected to the support frame through a first connecting pin, and the pressing block is detachably installed and connected to the installation frame through a second connecting pin, which is convenient for quickly replacing the components with fatigue damage or serious wear.

[0004] However, when this utility model is in use, after the test block is broken, a large amount of broken materials will be generated, which are not easy to clean, and the use effect is not good. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides an electric flexural test device for building materials to solve the problems raised in the above background technique.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: An electric flexural test device for building materials includes a support plate. The upper surface of the support plate is fixedly connected with a machine body. A main shaft is rotatably connected inside the machine body. A support block is fixedly connected to the side surface of the main shaft. A pair of U-shaped frames are fixedly connected to the upper surface of the support block. A support rod is installed inside the U-shaped frame. A plurality of support legs are fixedly connected to the bottom surface of the support plate. A discharge hopper is fixedly connected to the bottom inner surface of the machine body. The lower end of the discharge hopper penetrates through the support plate. A machine door is installed on the front wall of the machine body. A pressing component is arranged above the pair of support rods.

[0007] Preferably, the pressing component includes a hydraulic cylinder. The hydraulic cylinder is fixedly connected to the upper surface of the machine body. The telescopic end of the hydraulic cylinder penetrates through the upper wall of the machine body and is fixedly connected with a stress ring. A dial gauge is arranged inside the stress ring. A connecting rod is fixedly connected to the lower end of the stress ring. The lower end of the connecting rod is fixedly connected with an n-shaped frame. A pressing rod is installed inside the n-shaped frame. A baffle is fixedly connected to the inner surface of the machine body and below the stress ring. The connecting rod penetrates through the baffle.

[0008] Preferably, the right end of the main shaft penetrates through the right wall of the machine body and is fixedly connected to a turntable. A positioning pin is slidably connected inside the turntable. A pair of positioning holes are formed on the right surface of the machine body around the main shaft. The positioning pin is inserted into the positioning hole. A connecting cylinder is fixedly connected to the right surface of the turntable. The positioning pin is slidably connected to the right wall of the connecting cylinder. A rocking handle is rotatably connected to the right end of the positioning pin. A limiting ring is fixedly arranged on the side surface of the positioning pin inside the connecting cylinder. A spring is sleeved on the positioning pin. One end of the spring abuts against the side surface of the limiting ring, and the other end of the spring abuts against the inner surface of the connecting cylinder.

[0009] Preferably, a waste box is arranged below the discharge hopper.

[0010] Preferably, an explosion-proof window is installed on the machine door.

[0011] Beneficial effects

[0012] The utility model provides an electric flexural strength test device for building materials, which has the following beneficial effects:

[0013] 1. By providing a machine door, materials that burst open can be prevented from hitting people;

[0014] 2. By flipping the support block, the broken materials on the support block can fall off and fall into the waste box through the discharge hopper, facilitating the cleaning of the broken materials. Description of the drawings

[0015] Figure 1 is the front view of the utility model;

[0016] Figure 2 is the schematic diagram of the internal structure of the front view of the utility model;

[0017] Figure 3 is Figure 2 the enlarged schematic diagram of A in

[0018] Figure 4 is the left view of the support rod in the utility model.

[0019] In the figure: 1, support plate; 2, discharge hopper; 3, waste box; 4, support leg; 5, support block; 6, main shaft; 7, U-shaped frame; 8, support rod; 9, pressure rod; 10, n-shaped frame; 11, connecting rod; 12, dial indicator; 13, stress ring; 14, hydraulic cylinder; 15, baffle; 16, machine body; 17, explosion-proof window; 18, machine door; 19, positioning pin; 20, turntable; 21, limiting ring; 22, spring; 23, connecting cylinder; 24, rocking handle; 25, positioning hole; 36, building materials. Specific embodiments

[0020] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0021] The directional terms mentioned in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are only references to the directions shown in the accompanying drawings. The directional terms used are for explaining and understanding the present invention, 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 construed as a limitation to the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution: an electric flexural strength test device for building materials, including a support plate, a body is fixedly connected to the upper surface of the support plate, a main shaft is rotatably connected inside the body, a support block is fixedly connected to the side surface of the main shaft, a pair of U-shaped frames are fixedly connected to the upper surface of the support block, a support rod is installed inside the U-shaped frame, a plurality of support legs are fixedly connected to the bottom surface of the support plate, a discharge hopper is fixedly connected to the bottom of the inner surface of the body, the lower end of the discharge hopper penetrates through the support plate, a machine door is installed on the front wall of the body, and a pressing component is arranged above the pair of support rods; the pressing component includes a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the upper surface of the body, the telescopic end of the hydraulic cylinder penetrates through the upper wall of the body and is fixedly connected to a stress ring, a dial indicator is arranged inside the stress ring, a connecting rod is fixedly connected to the lower end of the stress ring, the lower end of the connecting rod is fixedly connected to an n-shaped frame, a pressing rod is installed inside the n-shaped frame, a baffle is fixedly connected to the inner surface of the body and below the stress ring, and the connecting rod penetrates through the baffle; the right end of the main shaft penetrates through the right wall of the body and is fixedly connected to a turntable, a positioning pin is slidably connected inside the turntable, a pair of positioning holes are opened on the right surface of the body and around the main shaft, the positioning pin is inserted into the positioning hole, a connecting cylinder is fixedly connected to the right surface of the turntable, the positioning pin is slidably connected to the right wall of the connecting cylinder, a crank is rotatably connected to the right end of the positioning pin, a limiting ring is fixedly arranged on the side surface of the positioning pin and inside the connecting cylinder, a spring is sleeved on the positioning pin, one end of the spring abuts against the side surface of the limiting ring, and the other end of the spring abuts against the inner surface of the connecting cylinder; a waste box is arranged below the discharge hopper; an explosion-proof window is installed on the machine door.

[0023] Those skilled in the art shall electrically connect all the electrical components in this case to their adapted power supplies, and should select a suitable controller according to the actual situation to meet the control requirements. For the specific connection and control sequence, the electrical connection should be completed according to the sequence of the working sequence of each electrical component in the following working principle. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and no further description of the electrical control will be made.

[0024] Example: According to the attached drawings of the specification Figures 1-4It can be seen that during use, the building material 36 is placed on a pair of support rods 8. The machine door 18 is closed. By extending the hydraulic cylinder 14, the pressure rod 9 can be driven to move downward to press the building material 36 until the building material 36 is broken. By providing the machine door 18, it is possible to prevent the materials from bursting and hitting people. Through the explosion-proof window 17, the situation inside the machine body 16 can be observed. By shortening the hydraulic cylinder 14, the pressure rod 9 can be driven to reset. Hold the crank 24 and pull out the positioning pin 19 from the positioning hole 25. Rotating the crank 24 can drive the turntable 20 to rotate. By rotating the turntable 20, the support block 5 can be driven to flip. By flipping the support block 5, the broken materials on the support block 5 can fall and pass through the discharge hopper 2 into the waste box 3, facilitating the cleaning of the broken materials.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric bending test device for building materials, characterized in that: The invention comprises a support plate (1), the upper surface of the support plate (1) is fixedly connected to a body (16), a main shaft (6) is rotatably connected inside the body (16), a support block (5) is fixedly connected to the side surface of the main shaft (6), a pair of U-shaped frames (7) are fixedly connected to the upper surface of the support block (5), a support rod (8) is installed inside the U-shaped frame (7), a plurality of support legs (4) are fixedly connected to the bottom surface of the support plate (1), a discharge hopper (2) is fixedly connected to the bottom of the inner surface of the body (16), the lower end of the discharge hopper (2) passes through the support plate (1), a machine door (18) is installed on the front wall of the body (16), and a downward pressing component is provided above the pair of support rods (8).

2. The electric bending test device for building materials according to claim 1, characterized in that: The pressing assembly comprises a hydraulic cylinder (14), wherein the hydraulic cylinder (14) is fixedly connected to the upper surface of the machine body (16), the telescopic end of the hydraulic cylinder (14) passes through the upper wall of the machine body (16) and is fixedly connected to a stress ring (13), a dial indicator (12) is provided in the stress ring (13), the lower end of the stress ring (13) is fixedly connected to a connecting rod (11), the lower end of the connecting rod (11) is fixedly connected to an n-shaped frame (10), a pressing rod (9) is installed in the n-shaped frame (10), and a baffle (15) is fixedly connected to the inner surface of the machine body (16) and located below the stress ring (13), and the connecting rod (11) passes through the baffle (15).

3. The electric bending test device for building materials according to claim 1 is characterized in that: The right end of the main shaft (6) passes through the right wall of the body (16) and is fixedly connected to a turntable (20), a positioning pin (19) is slidably connected inside the turntable (20), a pair of positioning holes (25) are opened on the right surface of the body (16) and are located around the main shaft (6), the positioning pin (19) is inserted into the positioning holes (25), a connecting tube (23) is fixedly connected to the right surface of the turntable (20), the positioning pin (19) is slidably connected to the right wall of the connecting tube (23), the right end of the positioning pin (19) is rotatably connected to a crank (24), a limit ring (21) is fixedly provided on the side surface of the positioning pin (19) and is located inside the connecting tube (23), a spring (22) is sleeved on the positioning pin (19), one end of the spring (22) is pressed against the side surface of the limit ring (21), and the other end of the spring (22) is pressed against the inner surface of the connecting tube (23).

4. The electric bending test device for building materials according to claim 1, characterized in that: A waste box (3) is provided below the discharge hopper (2).

5. The electric bending test device for building materials according to claim 1, characterized in that: An explosion-proof window (17) is installed on the machine door (18).

Images