Slump tester

Abstract

The utility model discloses a slump tester which comprises a workbench, a slump barrel is placed at the top end of the workbench, connecting seats are symmetrically arranged on the left side and the right side of the slump barrel, positioning holes are formed in the outer sides of the two connecting seats, a handle is arranged on the front side of the slump barrel, and the slump barrel is connected with the handle. Guide rods are arranged on the left side and the right side of an inner cavity of the workbench correspondingly, and the outer walls of the two guide rods are sleeved with first moving bases. According to the slump tester, the traditional mode of manually taking the slump barrel is avoided, an electric mode is adopted, the operation of pulling out the slump barrel is accurate and standard, the working intensity of operators is reduced, the measured value is accurate, the stability is high, the subsequent use is convenient, the practicability is high, and the use requirements on the existing market are met.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a slump measuring instrument. Background Art

[0002] In concrete engineering, slump is a key parameter, which reflects the working performance of concrete and is of great significance for ensuring the construction quality of concrete. At present, the main tool for measuring the slump of concrete is the slump bucket.

[0003] However, the existing slump bucket has some problems when in use, especially in the process of pulling it out upwards, which usually requires manual work, which not only increases the workload of the operator, but also due to differences in manual operations, there is a high probability of angle deviation when the slump bucket is pulled out, and verticality cannot be guaranteed. This will lead to errors in the measurement results and inaccurate measurement values, affecting subsequent use and causing a lot of trouble for people. Therefore, based on the above shortcomings, a slump measuring instrument is now introduced to improve this. Utility Model Content

[0004] The purpose of the utility model is to provide a slump measuring instrument to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a slump measuring instrument comprises a workbench, a slump bucket is placed on the top of the workbench, connecting seats are symmetrically arranged on the left and right sides of the slump bucket, positioning holes are opened on the outer sides of the two connecting seats, a handle is arranged on the front side of the slump bucket, guide rods are arranged on the left and right sides of the inner cavity of the workbench, a first movable seat is sleeved on the outer walls of the two guide rods, a motor is screwed to the center position of the top of the workbench, one end of a first screw is installed on the output end of the lower surface of the motor, and the other end of the first screw extends into the inner cavity of the workbench, the bottom end of the first screw passes through the first movable seat and is rotatably connected to the inner wall of the workbench through a bearing, the first screw and the first movable seat are threadedly connected to each other, support seats are symmetrically arranged on the left and right ends of the front side of the first movable seat, the front sides of the two support seats extend out of the outer wall of the workbench and are installed with support rods, and an elastic spring is installed on the outer side of the inner cavity of the support rod The cam is provided with a toothed plate, and the toothed plate ...

[0006] Preferably, the positioning block and the positioning hole match each other and their positions correspond to each other.

[0007] Preferably, the slide groove is in the shape of a "T"-shaped groove, and is slidably connected to the slider.

[0008] Preferably, the top plate and the bottom plate are all on the same horizontal plane on all sides, and are staggered with the slump bucket.

[0009] Preferably, a battery is built into the motor.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the slump measuring instrument can drive the support rod and all the structural parts on the support rod to move upward or downward through the cooperation between the guide rod, the first movable seat, the motor, the first screw and the support seat; the positioning block can be inserted into the inner cavity of the positioning hole through the cooperation between the spring, the pad and the pull rod, and then the slump bucket can be fixed on the support rod; the top plate and all the structural parts on the top plate can be driven to move upward or downward through the cooperation between the rotating rod, the second gear, the first gear, the second screw and the second movable seat; the bottom plate can be moved out or moved back under the top plate through the cooperation between the slide groove and the slider; the distance the bottom plate moves up and down can be measured by the scale line; the device bids farewell to the traditional manual slump bucket, and adopts an electric method to ensure that the operation of pulling out the slump bucket is accurate and standardized, which not only reduces the working intensity of the operator, but also measures accurate values, has high stability, is convenient for subsequent use, has strong practicality, and meets the use needs in the existing market. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the first screw structure of the utility model;

[0013] Figure 3 It is a side view of the second screw of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the positioning block and the positioning hole of the utility model being mutually engaged.

[0015] In the figure: 1. workbench, 2. slump bucket, 3. connecting seat, 4. positioning hole, 5. handle, 6. guide rod, 7. first moving seat, 8. motor, 9. first screw, 10. support seat, 11. support rod, 12. spring, 13. pad, 14. pull rod, 15. positioning block, 16. shell, 17. second screw, 18. first gear, 19. rotating rod, 20. second gear, 21. second moving seat, 22. top plate, 23. slide groove, 24. slider, 25. bottom plate, 26. scale line. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4 The utility model provides a technical solution: a slump measuring instrument, including a workbench 1, a slump bucket 2 is placed on the top of the workbench 1, connecting seats 3 are symmetrically arranged on the left and right sides of the slump bucket 2, positioning holes 4 are opened on the outer sides of the two connecting seats 3, a handle 5 is arranged on the front side of the slump bucket 2, guide rods 6 are arranged on the left and right sides of the inner cavity of the workbench 1, and a first moving seat 7 is sleeved on the outer walls of the two guide rods 6, a motor 8 is screwed to the center position of the top of the workbench 1, and a first screw is installed on the output end of the lower surface of the motor 8 One end of the rod 9, and the other end of the first screw rod 9 extends into the inner cavity of the workbench 1, the bottom end of the first screw rod 9 passes through the first movable seat 7 and is rotatably connected to the inner wall of the workbench 1 through a bearing, the first screw rod 9 and the first movable seat 7 are threadedly connected to each other, and support seats 10 are symmetrically arranged at the left and right ends of the front side of the first movable seat 7, the front sides of the two support seats 10 extend out of the outer wall of the workbench 1 and are installed with support rods 11, one end of a spring 12 is installed on the outer side of the inner cavity of the support rod 11, and a pad 13 is installed at the other end of the spring 12 One end of a pull rod 14 is installed on the outer side of the pad 13, and the other end of the pull rod 14 passes through the spring 12 and extends out of the outer wall of the support rod 11. One end of a positioning block 15 is installed on the inner side of the pad 13, and the other end of the positioning block 15 extends out of the outer wall of the support rod 11. A shell 16 is provided at the front center of the workbench 1. The inner cavity of the shell 16 is rotatably connected to a second screw 17 through a bearing. A first gear 18 is provided on the outer wall of the second screw 17. The top end of the front side of the shell 16 is rotatably connected to one end of a rotating rod 19 through a bearing. The other end of the rotating rod 19 extends into the inner cavity of the shell 16 and is installed with a second gear 20. The second gear 20 and the first gear 18 are meshed and connected with each other. A second movable seat 21 is threadedly connected to the outer wall of the second screw rod 17. The front side of the second movable seat 21 extends out of the outer wall of the shell 16 and is installed with a top plate 22. A slide groove 23 is opened at the bottom end of the top plate 22. One end of a slider 24 is embedded in the inner cavity of the slide groove 23. The other end of the slider 24 extends out of the slide groove 23 and is installed with a bottom plate 25. A scale line 26 is set on the front side of the shell 16.

[0018] As a preferred solution, further, the positioning block 15 and the positioning hole 4 match each other and their positions correspond to each other.

[0019] As a preferred solution, further, the shape of the slide groove 23 is a “T”-shaped groove, and it is slidably connected with the slider 24 .

[0020] As a preferred solution, further, the top plate 22 and the bottom plate 25 are all on the same horizontal plane, and are staggered with the slump bucket 2, so as to ensure that the trajectory of the slump bucket 2 moving up and down will not be disturbed by other structural members.

[0021] As a preferred solution, further, a battery is built into the motor 8, and the battery can facilitate independent use of the device.

[0022] The electrical components mentioned in this solution are all existing technologies, and their models are only one of them. As long as the electrical components can meet the requirements of this solution, they can be used.

[0023] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control. The specific work is as follows.

[0024] When in use, pull the tie rod 14 outward, the tie rod 14 will drive the pad 13 and the positioning block 15 to move outward together and squeeze the spring 12, take the slump bucket 2 to the inner side of the two support rods 11 and align the positioning hole 4 with the positioning block 15, remove the external force on the tie rod 14, and use the elasticity of the spring 12 to push the pad 13, the tie rod 14 and the positioning block 15 to move inward and reset. When the positioning block 15 is inserted into the inner cavity of the positioning hole 4, the position of the slump bucket 2 is immediately clamped and fixed, that is, the slump bucket 2 is installed on the support rod 11, and the motor 8 is turned on, and the motor 8 drives the first screw 9 is rotated, and the rotating first screw rod 9 will cause the first moving seat 7 threadedly connected to its outer wall to drive the support seat 10, the support rod 11 and all the structural parts on the support rod 11 to move upward or downward together. When the slump bucket 2 on the support rod 11 moves down and fits tightly on the workbench 1, the staff can pour concrete into the slump bucket 2. After completing the above operation, move the bottom plate 25 to the front side and rotate the rotating rod 19. The rotating rod 19 will drive the second gear 20 to rotate. The rotating second gear 20 will cause the first gear 18 meshing with it to drive the second screw 17 to rotate, and the rotating The second screw 17 will cause the second moving seat 21 threadedly connected to its outer wall to drive the top plate 22, the slide groove 23, the slider 24 and the bottom plate 25 to move downward together. When the bottom end of the bottom plate 25 is in contact with the top end of the slump bucket 2, the position height of the bottom plate 25 at this time is recorded by observing the scale line 26, and the rotating rod 19 is rotated to move the bottom plate 25 upward, and the bottom plate 25 is pushed backward to be retracted under the top plate 22. At this time, the control motor 8 drives the slump bucket 2 on the support rod 11 to move upward. When the slump bucket 2 moves upward and passes the position of the top plate 22, the bottom plate 25 is pulled out to the front side. , rotate the rotating rod 19 to move the bottom plate 25 downward. When the bottom plate 25 contacts the highest point of the concrete, the height of the bottom plate 25 at this time is recorded by observing the scale line 26. After recording the values ​​of the height of the bottom plate 25 twice, the difference between the values ​​is the slump value of the concrete, and all the operations of slump detection are completed. The device bids farewell to the traditional manual slump bucket and adopts an electric method to ensure that the operation of pulling out the slump bucket is accurate and standardized, which not only reduces the workload of the operator, but also measures accurate values ​​with high stability, is convenient for subsequent use, has strong practicality, and is suitable for promotion.

[0025] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "center position", "other end", "upper", "one side", "top", "inside", "front", "center", "two ends" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, 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; at the same time, unless otherwise clearly specified and limited, the terms "snapping", "plugging", "welding", "installation", "setting", "interference fit", "screw connection", "pin connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slump tester, characterized in that: The invention comprises a workbench (1), a slump bucket (2) is placed on the top of the workbench (1), connecting seats (3) are symmetrically arranged on the left and right sides of the slump bucket (2), positioning holes (4) are opened on the outer sides of the two connecting seats (3), a handle (5) is arranged on the front side of the slump bucket (2), guide rods (6) are arranged on the left and right sides of the inner cavity of the workbench (1), and first movable seats (7) are sleeved on the outer walls of the two guide rods (6), a motor (8) is screwed to the center position of the top of the workbench (1), one end of a first screw rod (9) is installed on the output end of the lower surface of the motor (8), and the other end of the first screw rod (9) is connected to the output end of the lower surface of the motor (8). One end extends into the inner cavity of the workbench (1), the bottom end of the first screw rod (9) passes through the first movable seat (7) and is rotatably connected to the inner wall of the workbench (1) through a bearing, the first screw rod (9) and the first movable seat (7) are threadedly connected to each other, and support seats (10) are symmetrically arranged at the left and right ends of the front side of the first movable seat (7), the front sides of the two support seats (10) extend out of the outer wall of the workbench (1) and are installed with support rods (11), one end of a spring (12) is installed on the outer side of the inner cavity of the support rod (11), and a pad (13) is installed on the other end of the spring (12), and a pull rod is installed on the outer side of the pad (13) The support rod (11) is provided with one end of the pull rod (14), the other end of the pull rod (14) passes through the spring (12) and extends out of the outer wall of the support rod (11), one end of a positioning block (15) is installed on the inner side of the pad (13), and the other end of the positioning block (15) extends out of the outer wall of the support rod (11), a shell (16) is arranged at the front center position of the workbench (1), the inner cavity of the shell (16) is rotatably connected to a second screw rod (17) through a bearing, a first gear (18) is arranged on the outer wall of the second screw rod (17), the front top end of the shell (16) is rotatably connected to one end of a rotating rod (19) through a bearing, and the other end of the rotating rod (19) The second gear (20) extends into the inner cavity of the shell (16) and is installed with a second gear (20), the second gear (20) and the first gear (18) are meshed and connected with each other, the outer wall of the second screw rod (17) is threadedly connected with a second movable seat (21), the front side of the second movable seat (21) extends out of the outer wall of the shell (16) and is installed with a top plate (22), the bottom end of the top plate (22) is provided with a slide groove (23), the inner cavity of the slide groove (23) is embedded with one end of a slider (24), the other end of the slider (24) extends out of the slide groove (23) and is installed with a bottom plate (25), and the front side of the shell (16) is provided with a scale line (26).

2. A slump tester according to claim 1, characterized in that: The positioning block (15) and the positioning hole (4) match each other and their positions correspond to each other.

3. A slump tester according to claim 1, characterized in that: The slide groove (23) is in the shape of a "T"-shaped groove, and is slidably connected to the slider (24).

4. A slump tester according to claim 1, characterized in that: The top plate (22) and the bottom plate (25) are all located on the same horizontal plane, and are staggered with the slump bucket (2).

5. A slump tester according to claim 1, characterized in that: A storage battery is built into the motor (8).

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