CN215677972U

CN215677972U - Concrete slump detection mechanism

Info

Publication number: CN215677972U
Application number: CN202122001652.5U
Authority: CN
Inventors: 高小军; 高晓恩; 朱华
Original assignee: Hangzhou Jinding Industrial Co ltd
Current assignee: Hangzhou Jinding Industrial Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-28
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a concrete slump detection mechanism, which belongs to the field of concrete detection and comprises a base, wherein a supporting plate is fixed on the upper surface of the base through a supporting rod, two rotating shafts are symmetrically and rotatably mounted on the supporting plate, the bottom ends of the rotating shafts are rotatably mounted on the base, a rotating plate and a reel are fixedly sleeved on the rotating shafts, a push block is fixed on one side of the upper surface of the rotating plate, a transmission structure is connected between the bottom ends of the two rotating shafts, a motor is mounted on one side of the upper surface of the base, an output shaft of the motor is in transmission connection with one rotating shaft, the upper surface of the supporting plate is connected with a placing plate through a spring, guide holes are symmetrically formed in the placing plate, guide rods are movably arranged in the guide holes, and the bottom ends of the guide rods are fixed on the supporting plate; the utility model has novel design and ingenious structure, automatically vibrates and compacts concrete, improves the accuracy and precision of the detection effect, is convenient to operate, and saves time and labor.

Description

Concrete slump detection mechanism

Technical Field

The utility model relates to the technical field of concrete detection, in particular to a concrete slump detection mechanism.

Background

Slump is an important characteristic of concrete, and has a great influence on the working performance of concrete, such as pumpability, plasticity, spreadability and the like. The slump field test is a checking and accepting means for the concrete quality of the mixing plant by a construction party. Common methods for measuring concrete slump are: placing the slump cone on a non-water-absorbing rigid horizontal bottom plate; then pouring concrete into the slump cone and tamping; and then the slump cone is pulled up, and the concrete collapses due to self weight. At this time, the height of the concrete is measured by putting auxiliary tools such as a vertically placed ruler and a horizontally placed ruler or a horizontal stick on the top point of the concrete, and the slump of the concrete can be obtained by subtracting the height of the highest point of the collapsed concrete from the height of the slump cone.

However, in the actual operation process, a lot of concrete is still tamped by the tamping rod, so that the concrete is easily tamped unevenly by manual operation, the detection result is influenced, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a concrete slump detection mechanism, which aims to solve the problems that manual operation is easy to tamp unevenly, detection results are affected, and time and labor are wasted.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a concrete slump detection mechanism comprises a base, wherein a supporting plate is fixed on the upper surface of the base through a supporting rod, two rotating shafts are symmetrically and rotatably installed on the supporting plate, the bottom ends of the rotating shafts are rotatably installed on the base, a rotating plate and a reel are fixedly sleeved on the rotating shafts, a push block is fixed on one side of the upper surface of the rotating plate, a transmission structure is connected between the bottoms of the two rotating shafts, a motor is installed on one side of the upper surface of the base, an output shaft of the motor is in transmission connection with one rotating shaft, a placing plate is connected on the upper surface of the supporting plate through a spring, guide holes are symmetrically formed in the placing plate, guide rods are movably arranged in the guide holes, the bottom ends of the guide rods are fixed on the supporting plate, guide wheels are fixed on the sides, close to the top ends of the two guide rods, positioning plates are symmetrically fixed on the upper surface of the placing plate, a slump cylinder is arranged between the two positioning plates, handles are fixed on the two sides of the slump cylinder, and the handle is connected with a pull rope, the two sides of the placing plate are both provided with supporting blocks, the two sides of the placing plate are provided with grooves, the grooves are internally provided with connecting blocks, and the connecting blocks are fixedly connected with the supporting blocks.

As a preferred embodiment, the pushing block is of an arc structure, and the pushing block is located below the placing plate.

As a preferred embodiment, the transmission structure comprises two belt pulleys, the two belt pulleys are respectively installed on the two rotating shafts, and a belt is connected between the two belt pulleys.

In a preferred embodiment, the positioning plate has an arc-shaped top view, and the positioning plate has a mounting lug fixed thereon, and the mounting lug is fixed on the placing plate by a bolt.

In a preferred embodiment, the slump cone is of a circular truncated cone structure, and a hopper is fixed to the top of the slump cone.

In a preferred embodiment, the handle is located directly below the guide wheel and the length of the pull cord is greater than the distance from the handle to the reel.

In a preferred embodiment, a rubber pad is arranged in the groove.

The utility model has the beneficial effects that:

according to the concrete slump detection mechanism, the slump cylinder is placed on the placing plate through the structures such as the rotating shaft, the rotating plate, the push block, the spring, the positioning plate, the placing plate and the motor, the positioning plate is used for fixing the slump cylinder, and the slump cylinder vibrates up and down along with the placing plate under the action of the rotating plate and the push block, so that concrete is automatically vibrated and compacted, compared with manual compaction, the mechanical compaction effect is good, the accuracy of a detection effect is guaranteed, and time and labor are saved;

this concrete slump detection mechanism is through setting up reel, handle, stay cord, supporting shoe, recess and connecting block isotructure, behind the compacted concrete, when the slump section of thick bamboo that need pull out, can take the supporting shoe out, and the stay cord is connected on the reel, then automatic will slump a section of thick bamboo vertically mention, compares direct manual work and mention, avoids a slump section of thick bamboo to produce the removal of horizontal direction, prevents that the concrete from collapsing because of receiving the influence of a slump section of thick bamboo, improves the precision that detects.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the holding board of the present invention;

FIG. 3 is a schematic view of the structure of the support block and the groove of the present invention;

fig. 4 is a schematic structural view of the rotating plate and the pushing block of the present invention.

Reference numbers in the figures: 1. a base; 2. a support plate; 3. a rotating shaft; 4. a rotating plate; 5. a push block; 6. a reel; 7. a transmission structure; 71. a belt pulley; 72. a belt; 8. a spring; 9. placing the plate; 10. a guide bar; 11. a guide wheel; 12. positioning a plate; 121. mounting lugs; 13. a slump cone; 131. a hopper; 14. a handle; 15. pulling a rope; 16. a support block; 17. a groove; 18. connecting blocks; 19. a motor; 20. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, a concrete slump detection mechanism, including base 1, the upper surface of base 1 is fixed with backup pad 2 through bracing piece 20, make backup pad 2 and base 1 have a certain distance, make things convenient for the installation of structure, two pivots 3 are installed in the symmetry rotation on the backup pad 2, the bottom of pivot 3 is rotated and is installed on base 1, fixed cover is equipped with rotor plate 4 and reel 6 in the pivot 3, one side of rotor plate 4 upper surface is fixed with ejector pad 5, ejector pad 5 can carry out circular motion along with the motion of rotor plate 4.

Specifically, please refer to fig. 1, a transmission structure 7 is connected between the bottom ends of two rotating shafts 3, the transmission structure 7 includes two belt pulleys 71, the two belt pulleys 71 are respectively installed on the two rotating shafts 3, and a belt 72 is connected between the two belt pulleys 71, the transmission structure 7 can enable the two rotating shafts 3 to synchronously rotate, the rotating consistency of the rotating shafts 3 is improved, a motor 19 is installed on one side of the upper surface of the base 1, an output shaft of the motor 19 is in transmission connection with one rotating shaft 3, the upper surface of the supporting plate 2 is connected with a placing plate 9 through a spring 8, the pushing block 5 is of an arc structure, the pushing block 5 is located below the placing plate 9, the arc pushing block 5 can gradually push the placing plate 9 to move upwards and then descend when performing circular motion, and the circular motion is repeated, so that the placing plate 9 can vibrate up and down.

Specifically, please refer to fig. 1 and 2, guide holes are symmetrically formed in the placing plate 9, guide rods 10 are movably arranged in the guide holes, the guide rods 10 ensure the stability of the placing plate 9 when vibrating up and down, the bottom ends of the guide rods 10 are fixed on the supporting plate 2, guide wheels 11 are fixed on the sides, close to the top ends of the two guide rods 10, of the placing plate 9, positioning plates 12 are symmetrically fixed on the upper surface of the placing plate 9, a slump cone 13 is arranged between the two positioning plates 12, the slump cone 13 is fixed by the positioning plates 12, the stability is good, so that concrete is not prone to leakage, the top view of the positioning plates 12 is of an arc-shaped structure, mounting lugs 121 are fixed on the positioning plates 12, the mounting lugs are fixed on the placing plate 9 through bolts, the positioning plates 12 are convenient to detach, and can be detached quickly after jolt, and the detection effect cannot be affected.

Specifically, referring to fig. 1, handles 14 are fixed on both sides of a slump cone 13, the handle 14 facilitates lifting the slump cone 13, a pulling rope 15 is connected to the handle 14, the slump cone 13 is of a circular truncated cone structure, a feeding hopper 131 is fixed at the top of the slump cone 13, an operator can conveniently add concrete into the slump cone 13 through the feeding hopper, the handle 14 is located right below a guide wheel 11, the length of the pulling rope 15 is larger than the distance from the handle 14 to a reel 6, after the concrete is compacted, the pulling rope 15 penetrates through the guide wheel 11 and is connected to the reel 6, the slump cone 13 can be automatically lifted, horizontal movement of the slump cone 13 is avoided, and concrete is prevented from collapsing due to the influence of the slump cone 13.

Specifically, please refer to fig. 1, the supporting blocks 16 are disposed on both sides of the placing plate 9, the pushing block 5 pushes the supporting blocks 16 to move, so as to drive the placing plate 9 to move, the grooves 17 are disposed on both sides of the placing plate 9, the connecting blocks 18 are disposed in the grooves 17, the connecting blocks 18 are fixedly connected with the supporting blocks 16, rubber pads are disposed in the grooves 17, the supporting blocks 16 can be easily separated from the placing plate 9, and the rubber pads improve the stability of the connecting blocks 18 when being inserted.

The working principle is as follows: placing a slump cone 13 above a placing plate 9, fixing the slump cone 13 by using two positioning plates 12, adding concrete into the slump cone 13, turning on a motor 19 in the feeding process, rotating an output shaft of the motor 19, driving one rotating shaft 3 to rotate by the output shaft, synchronously rotating the two rotating shafts 3 under the action of a transmission structure 7 so as to enable the rotating plate 4 and a push block 5 to rotate, gradually pushing a supporting block 16 and the placing plate 9 to ascend by the continuous circular motion of the push block 5, and slowly descending the placing plate 9 under the action of gravity when the push block 5 is separated from the supporting block 16, but under the action of the elasticity of a spring 8 and the blocking of the rotating plate 4, the descending distance of the placing plate 9 cannot be too large, and realizing continuous up-and down vibration in the repeated process so as to compact the concrete; when needing the test, after the concrete is compacted, close motor 19, take supporting shoe 16 out, the rotation of ejector pad 5 can not be so that place board 9 and shake from top to bottom, pass stay cord 15 leading wheel 11 and connect on reel 6, then open motor 19 and drive reel 6 and receive the line, thereby mention slump section of thick bamboo 13, mention the take-up by a take-up height, slump section of thick bamboo 13 breaks away from the concrete, operating personnel breaks away from slump section of thick bamboo 13 completely through handle 13 again, rethread utensil measure can, and is simple and convenient, compare direct manual work and mention, avoid slump section of thick bamboo to produce the removal of horizontal direction, prevent that the concrete from collapsing because of the influence that receives slump section of thick bamboo, improve the precision that detects, be worth promoting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A concrete slump detection mechanism comprises a base (1) and is characterized in that a supporting plate (2) is fixed on the upper surface of the base (1) through a supporting rod (20), two rotating shafts (3) are symmetrically and rotatably mounted on the supporting plate (2), the bottom ends of the rotating shafts (3) are rotatably mounted on the base (1), a rotating plate (4) and a reel (6) are fixedly sleeved on the rotating shafts (3), a push block (5) is fixed on one side of the upper surface of the rotating plate (4), a transmission structure (7) is connected between the bottom ends of the two rotating shafts (3), a motor (19) is mounted on one side of the upper surface of the base (1), an output shaft of the motor (19) is in transmission connection with one rotating shaft (3), the upper surface of the supporting plate (2) is connected with a placing plate (9) through a spring (8), guide holes are symmetrically formed in the placing plate (9), and guide rods (10) are movably arranged in the guide holes, the bottom end of each guide rod (10) is fixed on the corresponding support plate (2), one side, close to each other, of the top ends of the two guide rods (10) is fixedly provided with a guide wheel (11), the upper surface of the corresponding placement plate (9) is symmetrically and fixedly provided with positioning plates (12), a slump cone (13) is arranged between the two positioning plates (12), handles (14) are fixedly arranged on two sides of the slump cone (13), pull ropes (15) are connected onto the handles (14), supporting blocks (16) are arranged on two sides of the placement plate (9), grooves (17) are formed in two sides of the placement plate (9), connecting blocks (18) are arranged in the grooves (17), and the connecting blocks (18) are fixedly connected with the supporting blocks (16).

2. A concrete slump detection mechanism according to claim 1, wherein the push block (5) is of an arc-shaped configuration and the push block (5) is located below the placing plate (9).

3. A concrete slump detection mechanism according to claim 1, wherein the transmission structure (7) comprises two belt pulleys (71), the two belt pulleys (71) are respectively mounted on the two shafts (3), and a belt (72) is connected between the two belt pulleys.

4. The concrete slump detection mechanism according to claim 1, wherein the positioning plate (12) is arc-shaped in plan view, and mounting lugs (121) are fixed on the positioning plate (12) and fixed on the placing plate (9) through bolts.

5. A concrete slump detection mechanism according to claim 1, wherein the slump cone (13) is of a truncated cone type construction and a hopper (131) is secured to the top of the slump cone (13).

6. A concrete slump detection mechanism according to claim 1 wherein the handle (14) is located directly below the guide wheel (11) and the length of the pull cord (15) is greater than the distance of the handle (14) to the reel (6).

7. A concrete slump detection mechanism according to claim 1, wherein a rubber pad is provided in the recess (17).