Concrete green body hardness tester
By designing a concrete blank hardness measuring instrument, using structures such as support blocks, threaded rods and electric rods, the problem that manual observation is difficult to ensure the accuracy of the concrete blank hardness is solved, and the accuracy and stability of hardness detection are achieved.
Patent Information
- Application Number
- CN202420625361.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-03-29
AI Technical Summary
During concrete processing and construction, manual observation is difficult to ensure the accuracy of the hardness of the concrete blank, which affects the accuracy of the measurement.
A concrete blank hardness measuring instrument was designed, using support blocks, threaded rods, clamps and electric rods to ensure the stable clamping of the concrete blank and the movement of the detection head, and the detection head is realized through the servo motor and sprocket system. Extrusion, and then the hardness of the concrete is measured.
The accuracy of the hardness detection of concrete blanks is ensured and the reliability of measurement results is ensured.
Smart Images

Figure CN222364882U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete detection, in particular to a concrete body hardness tester. Background Art
[0002] Concrete is a general term for engineering composite materials that are made by bonding aggregates into a whole using cementitious materials. It usually refers to the product obtained by using cement as the cementitious material, sand and stone as aggregates, and then mixing them with water in a certain proportion. Concrete is an indispensable material in today's construction industry. The reinforced concrete formed by combining it with steel bars has a very stable structure.
[0003] Concrete is widely used nowadays. During the processing and construction of concrete, the hardness of the concrete body needs to be determined. It is difficult to ensure accurate hardness information by manual observation of operators alone, which will affect the accuracy of the measurement. Utility Model Content
[0004] The utility model aims to provide a concrete body hardness tester, which can solve the problem that it is difficult to ensure accurate hardness information by manual observation of operators alone, thus affecting the accuracy of measurement.
[0005] To achieve the above-mentioned purpose, a concrete blank hardness tester is provided, comprising: a base, two support blocks are fixedly connected to the upper end of the base, the side walls of the two support blocks are each provided with a cross bar, the upper surfaces of the two cross bars are slidably connected with connecting rods, one end of the connecting rod is fixedly connected with a clamping plate, the side walls of the two support blocks are each provided with a placement groove, a circular hole is provided in the middle of the base, a vertical rod is fixedly connected to the upper end of the base, a movable plate is slidably connected between the two vertical rods, and a detection head is provided on the lower surface of the movable plate.
[0006] According to the concrete body hardness tester, the middle parts of the two cross bars are rotatably connected with threaded rods, the exteriors of the two threaded rods are threadedly connected with two threaded blocks, and the upper ends of the threaded blocks are fixedly connected to one end of the connecting rod.
[0007] According to the concrete body hardness tester, a servo motor is provided at one end of one of the cross bars, a rotating rod is provided at the other end of the two cross bars, one end of the rotating rod is fixedly connected to one end of the threaded rod, and a sprocket is provided outside the two rotating rods, and a chain is sleeved outside the sprocket.
[0008] According to the concrete body hardness tester, a fixed plate is fixedly connected between the two vertical rods, an electric rod is arranged on the upper end of the fixed plate, a support frame is fixedly connected to the output end of the electric rod, and one end of the support frame is fixedly connected to the upper surface of the movable plate.
[0009] According to the concrete body hardness tester, a sliding rod is provided in the middle of the two vertical rods, and a sliding block is slidably connected to the outside of the two sliding rods, and the side wall of the sliding block is fixedly connected to one end of the movable plate.
[0010] According to the concrete body hardness tester, an equipment box is arranged at the upper end of the base, an indicator gauge is arranged at the side wall of the equipment box, and supporting legs are arranged at the four corners of the lower end of the base.
[0011] The above scheme has the beneficial effect: the utility model uses the support block to support the concrete body, and then uses the threaded rod and the threaded block to cooperate so that the clamping plate clamps and fixes the concrete body to keep the concrete body stable, and then uses the electric rod to push the detection head to move, thereby detecting the hardness of the concrete body and ensuring the accuracy of the detection data.
[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0014] Figure 1 This is a front view of a concrete body hardness tester of the utility model;
[0015] Figure 2 This is a rear view of a concrete body hardness tester of the utility model;
[0016] Figure 3 This is a diagram showing the internal structure of the vertical rod and the horizontal rod of a concrete body hardness tester of the utility model;
[0017] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.
[0018] Legend:
[0019] 1. Base; 2. Indicator; 3. Equipment box; 4. Movable plate; 5. Vertical rod; 6. Fixed plate; 7. Electric rod; 8. Support frame; 9. Detection head; 10. Crossbar; 11. Support leg; 12. Servo motor; 13. Connecting rod; 14. Clamp; 15. Support block; 16. Chain; 17. Sliding rod; 18. Sliding block; 19. Threaded rod; 20. Threaded block; 21. Sprocket. DETAILED DESCRIPTION
[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0021] Reference Figure 1-4 The utility model embodiment is a concrete body hardness tester, which includes: a base 1, two support blocks 15 are fixedly connected to the upper end of the base 1, and the side walls of the two support blocks 15 are provided with cross bars 10. The upper surfaces of the two cross bars 10 are slidably connected with connecting rods 13, and one end of the connecting rod 13 is fixedly connected with a clamping plate 14, which is convenient for clamping and fixing the concrete body to keep the concrete body stable and facilitate hardness testing. The side walls of the two support blocks 15 are provided with placement grooves, and a round hole is provided in the middle of the base 1. A vertical rod 5 is fixedly connected to the upper end of the base 1, and a movable plate 4 is slidably connected between the two vertical rods 5. A detection head 9 is provided on the lower surface of the movable plate 4. After the detection head 9 and the concrete body are fitted together, hardness testing is performed during the extrusion process.
[0022] The middle of the two cross bars 10 are rotatably connected with a threaded rod 19, and the external threads of the threaded rod 19 are symmetrically arranged so that the two threaded blocks 20 move toward each other. The two threaded rods 19 are externally threadedly connected with two threaded blocks 20, and the upper ends of the threaded blocks 20 are fixedly connected to one end of the connecting rod 13. A servo motor 12 is arranged at one end of one of the cross bars 10, and a rotating rod is arranged at the other end of the two cross bars 10, and one end of the rotating rod is fixedly connected to one end of the threaded rod 19. A sprocket 21 is arranged on the outside of the two rotating rods, and a chain 16 is sleeved on the outside of the sprocket 21. The sprocket 21 cooperates with the chain 16 to facilitate the two The threaded rod 19 rotates simultaneously, a fixed plate 6 is fixedly connected between the two vertical rods 5, an electric rod 7 is arranged on the upper end of the fixed plate 6, a support frame 8 is fixedly connected to the output end of the electric rod 7, one end of the support frame 8 is fixedly connected to the upper surface of the movable plate 4, a sliding rod 17 is arranged in the middle of the two vertical rods 5, and a slider 18 is slidably connected to the outside of the two sliding rods 17, and the side wall of the slider 18 is fixedly connected to one end of the movable plate 4, an equipment box 3 is arranged on the upper end of the base 1, and an indicator gauge 2 is arranged on the side wall of the equipment box 3 to facilitate monitoring the pressure borne by the concrete body, and support legs 11 are arranged at the four corners of the lower end of the base 1.
[0023] Working principle: When in use, first place the concrete body on the support block 15, use the servo motor 12 to drive the threaded rod 19 to rotate, and under the cooperation of the sprocket 21 and the chain 16, the two threaded rods 19 rotate at the same time, and the threaded blocks 20 move toward each other during the rotation, thereby driving the clamping plate 14 to move, and the clamping plate 14 is used to clamp and fix the concrete body to keep the concrete body stable and avoid deviation, thereby ensuring the accuracy of the test data, and the electric rod 7 is used to push the movable plate 4 to move, so that the detection head 9 squeezes the concrete body, and the hardness of the concrete body is tested during the squeezing process.
[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A concrete body hardness tester, comprising: The base (1) is characterized in that two support blocks (15) are fixedly connected to the upper end of the base (1), the side walls of the two support blocks (15) are each provided with a cross bar (10), the upper surfaces of the two cross bars (10) are both slidably connected with a connecting rod (13), one end of the connecting rod (13) is fixedly connected with a clamping plate (14), the side walls of the two support blocks (15) are each provided with a placement groove, a circular hole is provided in the middle of the base (1), the upper end of the base (1) is fixedly connected with a vertical rod (5), a movable plate (4) is slidably connected between the two vertical rods (5), and a detection head (9) is provided on the lower surface of the movable plate (4).
2. A concrete body hardness tester according to claim 1, characterized in that: The middle parts of the two cross bars (10) are rotatably connected to a threaded rod (19), and the exteriors of the two threaded rods (19) are threadedly connected to two threaded blocks (20), and the upper ends of the threaded blocks (20) are fixedly connected to one end of the connecting rod (13).
3. A concrete body hardness tester according to claim 1, characterized in that: A servo motor (12) is provided at one end of one of the cross bars (10), and a rotating rod is provided at the other end of each of the two cross bars (10). One end of the rotating rod is fixedly connected to one end of a threaded rod (19), and a sprocket (21) is provided outside the two rotating rods, and a chain (16) is sleeved outside the sprocket (21).
4. A concrete body hardness tester according to claim 1, characterized in that: A fixed plate (6) is fixedly connected between the two vertical rods (5), an electric rod (7) is arranged at the upper end of the fixed plate (6), a support frame (8) is fixedly connected to the output end of the electric rod (7), and one end of the support frame (8) is fixedly connected to the upper surface of the movable plate (4).
5. A concrete body hardness tester according to claim 1, characterized in that: A sliding rod (17) is provided in the middle of the two vertical rods (5), and a sliding block (18) is slidably connected to the outside of the two sliding rods (17), and the side wall of the sliding block (18) is fixedly connected to one end of the movable plate (4).
6. A concrete body hardness tester according to claim 1, characterized in that: An equipment box (3) is arranged at the upper end of the base (1), an indicator meter (2) is arranged on the side wall of the equipment box (3), and supporting legs (11) are arranged at the four corners of the lower end of the base (1).