Device for testing durability and mechanical properties of carbon fiber reinforced concrete
By designing a carbon fiber reinforced concrete testing device that includes heating and cooling equipment, a hot and cold alternating environment is simulated, solving the problem that existing technologies cannot test carbon fiber reinforced concrete under hot and cold alternating environments, and achieving more accurate durability and mechanical property testing.
Patent Information
- Application Number
- CN202520280377.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing technologies cannot effectively test the durability and mechanical properties of carbon fiber reinforced concrete under alternating hot and cold environments, resulting in poor test results.
A test device for the durability and mechanical properties of carbon fiber reinforced concrete is designed. The temperature of the carbon fiber reinforced concrete is controlled by heating and cooling devices, and the strength and toughness are tested by pressing plate and electric telescopic column to simulate alternating hot and cold environments.
This method enables the testing of the durability and mechanical properties of carbon fiber reinforced concrete under alternating hot and cold environments, improving the practicality and accuracy of the test results.
Smart Images
Figure CN223910658U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to durability and mechanical characteristic test, especially relate to carbon fiber reinforced concrete durability and mechanical characteristic test device. BACKGROUND
[0002] With the rapid economic development and the continuous progress of technology, the demand of building field to new material is increasing, and carbon fiber reinforced concrete as a new material, because of its high strength and light weight and other excellent characteristics, shows the extensive application prospect in the field of building and road.
[0003] Now, for the characteristic test of carbon fiber reinforced concrete, mostly use hydraulic machine and other devices to carry out extrusion test, this method can only test the strength and toughness of single environment carbon fiber reinforced concrete, cannot test the carbon fiber reinforced concrete in the cold and hot alternating environment, lead to poor test effect.
[0004] Therefore, for the characteristic test of carbon fiber reinforced concrete, mostly use hydraulic machine and other devices to carry out extrusion test, this method can only test the strength and toughness of single environment carbon fiber reinforced concrete, cannot test the carbon fiber reinforced concrete in the cold and hot alternating environment, lead to poor test effect. Utility model content
[0005] In order to overcome the characteristic test of carbon fiber reinforced concrete, mostly use hydraulic machine and other devices to carry out extrusion test, this method cannot test the carbon fiber reinforced concrete in the cold and hot alternating environment, lead to poor test effect.
[0006] The utility model discloses a technical scheme for: carbon fiber reinforced concrete durability and mechanical property testing device, including the lower casing, still including the support disc and the shower nozzle, the inside bottom wall of lower casing and the position of middle fixedly connected with electric telescopic column and the two support columns of symmetrical setting, the movable end of electric telescopic column is fixedly connected with the support disc, the inside lower wall of lower casing and the position of left and right two ends are fixedly connected with two one side slot's rectangular blocks of symmetry, the inside upper and lower end of rectangular block is rotatably connected with screw rod, the inside of two rectangular blocks is slidably connected with the sliding block of screw rod thread connection, the one end of two sliding blocks is fixedly connected with the connecting column of mutual approach, the lower end middle part of connecting column is fixedly connected with the pressing column, the lower end of pressing column is fixedly connected with the pressing disc, the inside bottom wall of lower casing and the position of left end are fixedly connected with heating device, the inside bottom wall of lower casing and the position of right end are fixedly connected with cooling device, and the upper end of heating device and cooling device is fixedly connected with the connecting hose of mutual approach, and the one end of two connecting hoses is fixedly connected with the shower nozzle of mutual approach.
[0007] Preferably, first place the carbon fiber reinforced concrete on the two support columns, control the two screw rods to rotate to control the two sliding blocks to move downward, thereby controlling the connecting column, the pressing column and the pressing disc to move downward, thereby testing the toughness of the carbon fiber reinforced concrete, control the electric telescopic column to extend upward, thereby driving the support disc to move upward, thereby testing the strength of the carbon fiber reinforced concrete, after the test is completed, control the pressing disc to move upward, start the heating device to make high-temperature steam enter the connecting hose and be sprayed from the shower nozzle to heat the carbon fiber reinforced concrete, after the heating is completed, close the heating device and start the cooling device to make low-temperature gas enter the connecting hose and cool the carbon fiber reinforced concrete from the shower nozzle, control the pressing disc to move downward again to test the strength of the carbon fiber reinforced concrete, control the electric telescopic column to shrink downward, thereby testing the toughness of the carbon fiber reinforced concrete.
[0008] As a preferred, the upper end of the lower casing is fixedly connected with the upper casing, the inner wall top wall of the upper casing is fixedly connected with the motor, and the output shaft of the motor is fixedly connected with the gear one.
[0009] As a preferred, the gear one is rotatably connected with the inside bottom wall of the upper casing through the pivot, the upper end of the two screw rods is fixedly connected with the gear two which penetrates the lower end of the upper casing, and the gear one is meshingly connected with the two gear two.
[0010] As a preferred, the inside rear end of the lower casing and the position of middle are fixedly connected with the two fixed blocks of symmetry, and the front end of the two fixed blocks is fixedly connected with the electric telescopic rod.
[0011] As a preferred, the movable end of the two electric telescopic rods is fixedly connected with the connecting plate, and the one end of the connecting plate away from the electric telescopic rod is fixedly connected with the shower nozzle.
[0012] As preferred, the front end surface of the lower shell is embedded with a baffle, and the front end of the baffle is embedded with a glass window.
[0013] As preferred, the baffle is fixedly connected with a rotating device together with the lower shell, and the front end left side of the baffle is fixedly connected with a handle.
[0014] The utility model discloses beneficial effect:
[0015] Start heating device to make high temperature steam into the connecting hose and spray from the nozzle to the carbon fiber reinforced concrete heating, after heating, close heating device and start cooling device to make low temperature gas into the connecting hose and spray from the nozzle to the carbon fiber reinforced concrete cooling, control pressurized disc to move down again, to the carbon fiber reinforced concrete carries out strength test, control electric telescopic column contracts down, thereby to the carbon fiber reinforced concrete carries out toughness test, thereby realizes the durability and mechanical characteristic test of carbon fiber reinforced concrete under the cold and hot alternating environment, thereby improved the practicality of test result. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The whole three-dimensional structure schematic diagram of the carbon fiber reinforced concrete durability and mechanical characteristic test device of the utility model is shown;
[0017] Figure 2 The internal structure schematic diagram of the carbon fiber reinforced concrete durability and mechanical characteristic test device of the utility model is shown;
[0018] Figure 3 The rectangular block structure schematic diagram of the carbon fiber reinforced concrete durability and mechanical characteristic test device of the utility model is shown;
[0019] Figure 4 The nozzle structure schematic diagram of the carbon fiber reinforced concrete durability and mechanical characteristic test device of the utility model is shown.
[0020] Mark explanation: 1, lower shell, 2, support column, 3, electric telescopic column, 4, support disc, 5, rectangular block, 6, screw rod, 7, sliding block, 8, connecting column, 9, pressurized column, 10, pressurized disc, 11, heating device, 12, cooling device, 13, connecting hose, 14, nozzle, 15, upper shell, 16, motor, 17, gear one, 18, gear two, 19, fixed block, 20, electric telescopic rod, 21, connecting plate, 22, baffle, 23, glass window, 24, rotating device, 25, handle. DETAILED DESCRIPTION
[0021] The utility model is further explained below in connection with the drawings and examples.
[0022] Please refer to Figures 1-4The utility model provides a kind of embodiment: a kind of carbon fiber reinforced concrete durability and mechanical property testing device, including lower shell 1;Further including support disc 4 and spray head 14, the inside bottom wall of lower shell 1 and the position of middle fixedly connected with electric telescopic column 3 and two support columns 2 being symmetrically arranged, the movable end of electric telescopic column 3 is fixedly connected with support disc 4, the inside lower wall of lower shell 1 and the position of left and right ends are symmetrically fixedly connected with two one side slotted rectangular blocks 5, the inside upper and lower ends of rectangular block 5 are rotatably connected with screw rod 6, the inside of two rectangular blocks 5 is slidably connected with the sliding block 7 being screwed with screw rod 6, one end of two sliding blocks 7 is fixedly connected with connecting column 8, the lower end of connecting column 8 is fixedly connected with pressing column 9, the lower end of pressing column 9 is fixedly connected with pressing disc 10, the inside bottom wall of lower shell 1 and the position of left end are fixedly connected with heating device 11, the inside bottom wall of lower shell 1 and the position of right end are fixedly connected with cooling device 12, the upper end of heating device 11 and cooling device 12 are fixedly connected with connecting hose 13, one end of two connecting hoses 13 is fixedly connected with spray head 14, carbon fiber reinforced concrete is placed on two support columns 2 first, control two screw rods 6 rotation to control two sliding blocks 7 move downward, to control connecting column 8, pressing column 9 and pressing disc 10 move downward, to carry out toughness test to carbon fiber reinforced concrete, control electric telescopic column 3 extends upward, to drive support disc 4 to move upward, to carry out strength test to carbon fiber reinforced concrete, after testing, control pressing disc 10 moves upward, start heating device 11 to make high temperature steam into connecting hose 13 and spray out from spray head 14 to carbon fiber reinforced concrete and heat, after heating, close heating device 11 and start cooling device 12 to make low temperature gas into connecting hose 13 and spray from spray head 14 to carbon fiber reinforced concrete and cool, control pressing disc 10 to move downward again, to carry out strength test to carbon fiber reinforced concrete after hot and cold alternation, control electric telescopic column 3 to contract downward, to carry out toughness test to carbon fiber reinforced concrete after hot and cold alternation.
[0023] Please refer to Figure 2 And Figure 4In the embodiment, the upper end of the lower shell 1 is fixedly connected with an upper shell 15, the inner wall top wall of the upper shell 15 is fixedly connected with a motor 16, the output shaft of the motor 16 is fixedly connected with a gear one 17, the motor 16 controls the rotation of the gear one 17, the gear one 17 is rotatably connected with the inner bottom wall of the upper shell 15 through a rotating shaft, the upper ends of the two screw rods 6 are both penetrated through the lower end of the upper shell 15 and fixedly connected with two gears two 18, the gear one 17 is meshingly connected with the two gears two 18, the rotation of the gear one 17 is controlled so as to control the rotation of the two gears two 18, thereby driving the rotation of the two screw rods 6, the inner rear end of the lower shell 1 and the position at the middle are symmetrically fixedly connected with two fixed blocks 19, the front ends of the two fixed blocks 19 are fixedly connected with two electric telescopic rods 20, the two fixed blocks 19 can fix and support the two electric telescopic rods 20.
[0024] Please refer to Figure 1 and Figure 4 In the embodiment, the movable ends of the two electric telescopic rods 20 are fixedly connected with a connecting plate 21, one end of the connecting plate 21 away from the electric telescopic rods 20 is fixedly connected with the spray head 14, the extension and contraction of the electric telescopic rods 20 are controlled so as to control the movement of the spray head 14, the spray head 14 is located at the upper end of the carbon fiber reinforced concrete to perform the heating or cooling work, the front end surface of the lower shell 1 is embedded with a baffle 22, the front end of the baffle 22 is embedded with a glass window 23, the baffle 22 can protect the safety of the observers, the glass window 23 on the baffle 22 can observe the internal test situation, the baffle 22 is fixedly connected with a rotating device 24 together with the lower shell 1, the front end left side of the baffle 22 is fixedly connected with a handle 25, the baffle 22 can be opened or closed on the lower shell 1 through the handle 25 and the rotating device 24.
[0025] In the work, first of all, the carbon fiber reinforced concrete is placed on the two support columns 2, the motor 16 is started to control the gear one 17 to rotate, thereby controlling the two gear two 18 to rotate, thereby controlling the two screw rods 6 to rotate to control the two sliding blocks 7 to move downward, thereby controlling the connecting column 8, the pressing column 9 and the pressing disc 10 to move downward, thereby carrying out the toughness test on the carbon fiber reinforced concrete, the electric telescopic column 3 is controlled to extend upward, thereby driving the support disc 4 to move upward, so as to carry out the strength test on the carbon fiber reinforced concrete, after the test is completed, the pressing disc 10 is controlled to move upward, the left electric telescopic rod 20 is controlled to extend, thereby driving the connecting plate 21 and the left nozzle 14 to move in the extension direction, so that the nozzle 14 is located directly above the carbon fiber reinforced concrete, the heating device 11 is started to make high-temperature steam enter the connecting hose 13 and be sprayed from the nozzle 14 to heat the carbon fiber reinforced concrete, after heating is completed, the heating device 11 is closed and the left electric telescopic rod 20 is controlled to retract, thereby driving the connecting plate 21 and the left nozzle 14 to move in the retraction direction, the right electric telescopic rod 20 is controlled to extend, thereby driving the connecting plate 21 and the right nozzle 14 to move in the extension direction, the cooling device 12 is started to make low-temperature gas enter the connecting hose 13 and cool the carbon fiber reinforced concrete from the nozzle 14, after cooling is completed, the cooling device 12 is closed and the right electric telescopic rod 20 is controlled to retract, thereby driving the connecting plate 21 and the right nozzle 14 to move in the retraction direction, the pressing disc 10 is controlled to move downward again, the strength test is carried out on the carbon fiber reinforced concrete after cold and hot alternation, the electric telescopic column 3 is controlled to retract downward, thereby carrying out the toughness test on the carbon fiber reinforced concrete after cold and hot alternation.
[0026] Through the above steps, the heating device 11 is started to heat the carbon fiber reinforced concrete, after heating is completed, the heating device 11 is closed and the cooling device 12 is started to cool the carbon fiber reinforced concrete, the pressing disc 10 is controlled to move downward again, the strength test is carried out on the carbon fiber reinforced concrete, the electric telescopic column 3 is controlled to retract downward, thereby carrying out the toughness test on the carbon fiber reinforced concrete, so as to realize the durability and mechanical property test on the carbon fiber reinforced concrete in the cold and hot alternating environment, thereby improving the practicality of the test result, so as to solve the property test on the carbon fiber reinforced concrete, most of which is carried out by using a hydraulic machine and the like to test the strength and toughness of the carbon fiber reinforced concrete in a single environment, which cannot test the carbon fiber reinforced concrete in the cold and hot alternating environment, resulting in poor test effect.
Claims
1. A device for testing the durability and mechanical properties of carbon fiber reinforced concrete, comprising a lower shell (1); characterized in that: Also include support disc (4) and spray head (14), the lower shell (1) inside bottom wall and the position of the middle fixedly connected with electric telescopic column (3) and two support columns (2) arranged symmetrically, the movable end of electric telescopic column (3) is fixedly connected with support disc (4), the lower shell (1) inside lower wall and the position of the left and right ends are fixedly connected with two one side slot rectangular blocks (5) symmetrically, the inside upper and lower ends of rectangular block (5) are rotatably connected with screw rod (6), the inside of two rectangular blocks (5) is slidably connected with sliding block (7) threadedly connected with screw rod (6), the end of two sliding blocks (7) close to each other is fixedly connected with connecting column (8), the lower end of connecting column (8) is fixedly connected with pressing column (9), the lower end of pressing column (9) is fixedly connected with pressing disc (10), the lower shell (1) inside bottom wall and the position of the left end are fixedly connected with heating device (11), the lower shell (1) inside bottom wall and the position of the right end are fixedly connected with cooling device (12), the upper end of heating device (11) and cooling device (12) are fixedly connected with connecting hose (13), the end of two connecting hoses (13) close to each other is fixedly connected with spray head (14).
2. The carbon fiber reinforced concrete durability and mechanical property testing device according to claim 1, characterized in that: The upper end of lower shell (1) is fixedly connected with upper shell (15), the inner wall top wall of upper shell (15) is fixedly connected with motor (16), the output shaft of motor (16) is fixedly connected with gear one (17).
3. The carbon fiber reinforced concrete durability and mechanical property testing device according to claim 2, characterized in that: Gear one (17) and the inside bottom wall of upper shell (15) are rotatably connected through rotating shaft, the upper end of two screw rods (6) penetrates the lower end of upper shell (15) and is fixedly connected with gear two (18), gear one (17) and two gear two (18) are meshingly connected.
4. The carbon fiber reinforced concrete durability and mechanical property testing device according to claim 1, characterized in that: The inside rear end of lower shell (1) and the position of the middle are fixedly connected with two fixed blocks (19), the front end of two fixed blocks (19) is fixedly connected with electric telescopic rod (20).
5. The carbon fiber reinforced concrete durability and mechanical property testing device according to claim 4, characterized in that: The movable end of two electric telescopic rods (20) is fixedly connected with connecting plate (21), the end of connecting plate (21) away from electric telescopic rod (20) is fixedly connected with spray head (14).
6. The carbon fiber reinforced concrete durability and mechanical property testing device according to claim 1, characterized in that: The front end surface of lower shell (1) is embedded with baffle (22), the front end of baffle (22) is embedded with glass window (23).
7. The carbon fiber reinforced concrete durability and mechanical property testing device according to claim 6, characterized in that: Baffle (22) and lower shell (1) are fixedly connected with rotating device (24), the front end left side of baffle (22) is fixedly connected with handle (25).