Commercial concrete slump testing device

Abstract

The utility model discloses a commercial concrete slump testing device which comprises a bottom plate and a cylinder arranged at the top of the bottom plate, one side of the bottom plate is fixedly connected with a fixing column, one side of the top of the fixing column is fixedly connected with a fixing plate, a pressing rod is slidably connected in the fixing plate, and rollers are mounted at the bottom of the pressing rod and the bottom of the fixing plate. A movable plate is slidably connected to the outer side of the fixing column, two connecting rods are symmetrically and fixedly connected to the side, close to the barrel, of the movable plate, the barrel is installed between the connecting rods, and a rope is fixedly connected to the top of the movable plate and located on the side below the pressing rod; the movable end of the rope sequentially penetrates through the roller at the bottom of the fixing plate and the roller at the bottom of the pressing rod and is fixedly connected with the bottom of the fixing plate; a positioning assembly is arranged at the top of the fixing plate and used for positioning the pressing rod after the pressing rod moves downwards. Through the structure, a tester can conveniently test the concrete slump, the concrete slump tester is simpler and more convenient to use, and the concrete slump testing efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete testing, in particular to a commercial concrete slump testing device. Background Art

[0002] Concrete slump is an important indicator of concrete workability, primarily referring to its plasticizing and pumping properties. It reflects the concrete's ability to ensure smooth construction progress, including its water retention, fluidity, and cohesiveness. Concrete slump testing is crucial for ensuring the quality of concrete construction.

[0003] In the prior art, after searching, it was found that a Chinese patent disclosed "A Concrete Slump Test Device" with application number "202320634683.0". The above patent mainly includes a base, the upper surface of the base is abutted against the slump bucket, and the bottom of the outer wall of the slump bucket is fixedly connected to a plurality of guide rods, and each guide rod is fixedly connected to a T-block at one end away from the slump bucket. The upper surface of the base is fixedly connected to a plurality of slide rails corresponding to the guide rods, and the upper surface of the slide rail is provided with a T-slot for the T-block to slide downward. Although the above application has the effect of reducing the possibility of the slump bucket shaking during the upward movement of the slump bucket, it improves the accuracy of the concrete slump test. However, the slump bucket of the above-mentioned testing device lacks a positioning member when lifted upward. In order to prevent the slump bucket from falling freely due to gravity after being lifted upward, the tester must carry the slump bucket by hand to ensure stability. This not only increases the tester's labor intensity, but also affects the convenience of the test operation because the hand is occupied. In addition, when lifting the slump bucket, it is necessary to simultaneously operate multiple connecting rods and connecting slots, which is inconvenient. Therefore, the present invention provides a commercial concrete slump testing device to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a commercial concrete slump testing device, so as to facilitate testers to test the slump of concrete. The device is simpler and more convenient to use, and helps to improve the efficiency of concrete slump testing.

[0005] To achieve the above-mentioned purpose, a commercial concrete slump testing device is provided, comprising a base plate and a cylinder provided on the top of the base plate, one side of the base plate is fixedly connected to a fixed column, one side of the top of the fixed column is fixedly connected to a fixed plate, a pressing rod is slidably connected to the inside of the fixed plate, and rollers are installed at the bottom of the pressing rod and the bottom of the fixed plate, a movable plate is slidably connected to the outside of the fixed column, and one side of the movable plate close to the cylinder is symmetrically fixedly connected to two connecting rods, the cylinder is installed between the connecting rods, a rope is fixedly connected to the top of the movable plate and one side below the pressing rod, and the movable end of the rope is sequentially inserted into the roller at the bottom of the fixed plate and the roller at the bottom of the pressing rod and fixedly connected to the bottom of the fixed plate;

[0006] A positioning assembly is provided on the top of the fixing plate, and the positioning assembly is used to position the pressing rod after it moves downward.

[0007] According to the commercial concrete slump testing device, the positioning assembly includes a mounting plate fixedly connected to the top of the fixed plate, a positioning rod slidably connected to the mounting plate and set as an L-shaped structure, a limit plate fixedly connected to the outside of the positioning rod, and a spring sleeved on the outside of the positioning rod and located between the limit plate and the mounting plate.

[0008] According to the commercial concrete slump testing device, two handles are symmetrically fixedly connected to the outside of the cylinder, and sockets are provided inside the handles. Insert blocks are fixedly connected to the top of the connecting rod and on one side close to the cylinder, and the insert blocks are plugged into adjacent sockets.

[0009] According to the commercial concrete slump testing device, a square scale plate is rotatably connected to the top of the base plate and the side away from the fixed column, and a measuring plate is slidably connected to the outer side of the scale plate.

[0010] According to the commercial concrete slump testing device, a slot is provided on the top of the bottom plate and below the cylinder, and a bearing plate is inserted into the slot.

[0011] According to the commercial concrete slump testing device, the top of the push rod is fixedly connected to a push plate, the top of the push plate is also provided with a soft pad, and the bottom of the positioning rod can contact the top of the push plate.

[0012] According to the commercial concrete slump testing device, the rope contacts the top of the roller at the bottom of the fixed plate, and the rope also contacts the bottom of the roller at the bottom of the pressing rod.

[0013] According to the commercial concrete slump testing device, the top of the positioning rod and the side close to the pressing rod are configured as an inclined structure.

[0014] The utility model has the following beneficial effects:

[0015] 1. Compared with the existing technology, this commercial concrete slump test device is equipped with a push rod, a rope, and a roller. When the push rod is pressed downward, the roller cooperates to pull the movable plate and the cylinder on it upward, causing the concrete to collapse due to its own weight. The positioning component automatically positions the push rod to ensure the stability of the push rod, making it easier for testers to test the concrete slump. It is simpler and more convenient to use, which helps to improve the efficiency of concrete slump testing.

[0016] 2. Compared with the existing technology, this commercial concrete slump test device facilitates the cleaning of the cylinder and the load-bearing plate after disassembly by setting the cylinder and the load-bearing plate in a movable installation mode, thereby ensuring the accuracy of subsequent tests and the long-term use of the test device.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a first overall structural diagram of a commercial concrete slump testing device according to the present invention;

[0020] Figure 2 This is a second overall structural diagram of a commercial concrete slump testing device according to the present invention;

[0021] Figure 3 This is a schematic diagram of the base plate, cylinder, insert and handle structure of a commercial concrete slump testing device of the utility model;

[0022] Figure 4 The utility model is a commercial concrete slump testing device Figure 1 Enlarged structural diagram at point A in the middle.

[0023] Legend:

[0024] 1. Base plate; 2. Cylinder; 3. Fixed column; 4. Movable plate; 5. Connecting rod; 6. Handle; 7. Loading plate; 8. Press rod; 9. Roller; 10. Rope; 11. Fixed plate; 12. Press plate; 13. Scale plate; 14. Measuring plate; 15. Insert block; 16. Mounting plate; 17. Positioning rod; 18. Limit plate; 19. Spring. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention 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 overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0026] Reference Figure 1-4 The present invention relates to a commercial concrete slump testing device, which includes a base plate 1 and a cylinder 2 provided on the top of the base plate 1. One side of the base plate 1 is fixedly connected to a fixed column 3, and one side of the top of the fixed column 3 is fixedly connected to a fixed plate 11. A pressing rod 8 is slidably connected to the inside of the fixed plate 11, and rollers 9 are installed at the bottom of the pressing rod 8 and the bottom of the fixed plate 11. A movable plate 4 is slidably connected to the outside of the fixed column 3. The movable plate 4 is symmetrically fixedly connected to two connecting rods 5 on one side near the cylinder 2. The cylinder 2 is installed between the connecting rods 5. A rope 10 is fixedly connected to the top of the movable plate 4 and one side below the pressing rod 8. The movable end of the rope 10 is sequentially inserted into the roller 9 at the bottom of the fixed plate 11 and the roller 9 at the bottom of the pressing rod 8 and is fixedly connected to the bottom of the fixed plate 11. The rope 10 contacts the top of the roller 9 at the bottom of the fixed plate 11, and the rope 10 also contacts the bottom of the roller 9 at the bottom of the pressing rod 8.

[0027] After the cylinder 2 is filled with concrete, the push rod 8 is pressed downward. The downward movement of the push rod 8 simultaneously pushes the rope 10 on the bottom side downward. Since one end of the rope 10 is connected to the fixed plate 11 and one end of the rope is movably connected to the bottom of the fixed plate 11, the rope 10 on the movable plate 4 can be moved upward, thereby pulling the movable plate 4 and the cylinder 2 on it upward, causing the concrete to collapse due to its own weight. At this time, the positioning component automatically positions the push rod 8 to ensure the stability of the push rod 8, thereby keeping the cylinder 2 stable, making it easier for testers to test the slump of concrete. The tester is more simple and convenient to use, which helps to improve the efficiency of concrete slump testing.

[0028] A positioning assembly is provided at the top of the fixed plate 11. The positioning assembly is used to position the push rod 8 after it moves downward. The positioning assembly includes a mounting plate 16 fixedly connected to the top of the fixed plate 11, a positioning rod 17 slidably connected to the mounting plate 16 and having an L-shaped structure, a limiting plate 18 fixedly connected to the outside of the positioning rod 17, and a spring 19 sleeved on the outside of the positioning rod 17 and located between the limiting plate 18 and the mounting plate 16. The top of the positioning rod 17 and the side close to the push rod 8 are provided with an inclined structure. The automatic displacement of the positioning rod 17 can be achieved through the contact between the pressing plate 12 and the top of the positioning rod 17, making operation easier. The top of the push rod 8 is fixedly connected to the pressing plate 12, and the top of the pressing plate 12 is also provided with a soft pad to improve the comfort of the tester operating the pressing plate 12. The bottom of the positioning rod 17 can contact the top of the pressing plate 12.

[0029] After the push rod 8 moves downward so that the push plate 12 contacts the top of the positioning rod 17, the inclined surface of the top of the positioning rod 17 causes the positioning rod 17 to move away from the push plate 12. When the push plate 12 contacts the top of the fixing plate 11, the elastic force of the spring 19 and the pushing action of the limit plate 18 push the positioning rod 17 toward the push plate 12, so that the bottom of the positioning rod 17 contacts the top of the push plate 12, thus completing the positioning of the push rod 8.

[0030] Two handles 6 are symmetrically fixedly connected to the outside of the cylinder 2, and a socket is provided inside the handles 6. An insert block 15 is fixedly connected to the top of the connecting rod 5 and the side close to the cylinder 2. The insert block 15 is plugged into the adjacent socket. The cylinder 2 is installed and connected to the connecting rod 5 by using the insert block 15 and the socket to facilitate the removal of the cylinder 2, thereby facilitating the cleaning of the cylinder 2 and ensuring the accuracy of subsequent tests and the long-term use of the cylinder 2.

[0031] A square scale plate 13 is rotatably connected to the top of the base plate 1 and on one side away from the fixed column 3. A measuring plate 14 is slidably connected to the outside of the scale plate 13. After the concrete collapses, the measuring plate 14 is operated to move up and down while rotating the measuring plate 14 to the highest point of the concrete. Under the action of the scale plate 13, the height value of the concrete after collapse can be measured, which is convenient for the subsequent slump measurement.

[0032] A slot is provided at the top of the base plate 1 and below the cylinder 2, into which a load-bearing plate 7 is inserted. The load-bearing plate 7 is used to carry concrete samples for slump testing, and the movable connection facilitates cleaning after the load-bearing plate 7 is disassembled.

[0033] Working principle: After the cylinder 2 is filled with concrete, the push rod 8 is pressed downward. The downward moving push rod 8 simultaneously pushes the rope 10 on the bottom side downward. Since one end of the rope 10 is connected to the fixed plate 11 and one end of the rope is movably connected to the bottom of the fixed plate 11, the rope 10 on the movable plate 4 can be moved upward, thereby pulling the movable plate 4 and the cylinder 2 on it upward, causing the concrete to collapse due to its own weight.

[0034] At this time, the push rod 8 moves downward, causing the push plate 12 to contact the top of the positioning rod 17. The inclined surface on the top of the positioning rod 17 causes the positioning rod 17 to move away from the push plate 12. When the push plate 12 contacts the top of the fixed plate 11, the elastic force of the spring 19 and the push of the limit plate 18 push the positioning rod 17 toward the push plate 12, so that the bottom of the positioning rod 17 contacts the top of the push plate 12, ensuring the stability of the push rod 8 and thus the stability of the cylinder 2. This makes it easier for testers to test the slump of concrete, making it simpler and more convenient for testers to use, and helps improve the efficiency of concrete slump testing.

[0035] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A commercial concrete slump testing device, characterized in that: The invention comprises a bottom plate (1) and a cylinder (2) arranged on the top of the bottom plate (1), wherein one side of the bottom plate (1) is fixedly connected to a fixed column (3), one side of the top of the fixed column (3) is fixedly connected to a fixed plate (11), a push rod (8) is slidably connected inside the fixed plate (11), the bottom of the push rod (8) and the bottom of the fixed plate (11) are both installed with rollers (9), the outer side of the fixed column (3) is slidably connected to a movable plate (4), the side of the movable plate (4) close to the cylinder (2) is symmetrically fixedly connected to two connecting rods (5), the cylinder (2) is installed between the connecting rods (5), the top of the movable plate (4) and one side below the push rod (8) is fixedly connected to a rope (10), the movable end of the rope (10) is sequentially inserted into the roller (9) at the bottom of the fixed plate (11) and the roller (9) at the bottom of the push rod (8) and fixedly connected to the bottom of the fixed plate (11); A positioning assembly is provided on the top of the fixing plate (11), and the positioning assembly is used to position the pressing rod (8) after it moves downward.

2. A commercial concrete slump testing device according to claim 1, characterized in that: The positioning assembly comprises a mounting plate (16) fixedly connected to the top of the fixing plate (11), a positioning rod (17) slidably connected to the mounting plate (16) and arranged in an L-shaped structure, a limiting plate (18) fixedly connected to the outside of the positioning rod (17), and a spring (19) sleeved on the outside of the positioning rod (17) and located between the limiting plate (18) and the mounting plate (16).

3. A commercial concrete slump testing device according to claim 2, characterized in that: Two handles (6) are symmetrically fixedly connected to the outside of the cylinder (2), and sockets are provided inside the handles (6). The top of the connecting rod (5) and one side close to the cylinder (2) are fixedly connected to an insert block (15), and the insert block (15) is plugged into the adjacent socket.

4. A commercial concrete slump testing device according to claim 3, characterized in that: A square scale plate (13) is rotatably connected to the top of the base plate (1) and on a side away from the fixed column (3), and a measuring plate (14) is slidably connected to the outside of the scale plate (13).

5. A commercial concrete slump testing device according to claim 4, characterized in that: A slot is provided at the top of the bottom plate (1) and below the cylinder (2), and a bearing plate (7) is inserted into the slot.

6. A commercial concrete slump testing device according to claim 2, characterized in that: The top of the push rod (8) is fixedly connected to a push plate (12), the top of the push plate (12) is also provided with a soft pad, and the bottom of the positioning rod (17) can contact the top of the push plate (12).

7. A commercial concrete slump testing device according to claim 6, characterized in that: The rope (10) contacts the top of the roller (9) at the bottom of the fixed plate (11), and the rope (10) also contacts the bottom of the roller (9) at the bottom of the push rod (8).

8. A commercial concrete slump testing device according to claim 2, characterized in that: The top of the positioning rod (17) and one side close to the pressing rod (8) is configured as an inclined surface structure.

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