CN218629800U

CN218629800U - Concrete slump tester

Info

Publication number: CN218629800U
Application number: CN202222656530.4U
Authority: CN
Inventors: 张恒帅; 朱延斌; 杨小敏; 朱玲; 张峰
Original assignee: Shaanxi Construction Engineering Group Concrete Co ltd
Current assignee: Shaanxi Construction Engineering Group Concrete Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-14
Anticipated expiration: 2032-10-09

Abstract

The application discloses a concrete slump tester, which relates to the field of concrete detection; the device comprises a measuring barrel, a tamping hammer and a support, wherein a measuring platform for placing the measuring barrel is arranged on the support; the measuring platform is rotationally connected to the support, the rotating axis of the measuring platform is arranged along the vertical direction, and the support is also provided with a servo motor for driving the measuring platform to rotate; the support is rotatably connected with an oscillating disc, the rotating axis of the oscillating disc is radial and is arranged along the horizontal direction, the rammer penetrates through the oscillating disc along the thickness direction of the oscillating disc, and a tamping cylinder for driving the rammer to slide along the thickness direction of the oscillating disc is arranged on the oscillating disc; the bracket is provided with a first driving component for driving the swinging disc to rotate; this application makes the rammer can carry out the tamping to the concrete that is close to the all walls of measuring bucket through the setting of swing dish and drive assembly, has improved measuring result's accuracy.

Description

Concrete slump tester

Technical Field

The application relates to the field of concrete detection, in particular to a concrete slump tester

Background

The slump of concrete mainly refers to the plasticizing performance and pumpability of concrete, and factors influencing the slump of concrete mainly include grading change, water content, weighing deviation of a weighing apparatus, the dosage of additives, cement temperature and the like which are easy to neglect. Slump refers to the workability of concrete, and particularly ensures the normal operation of construction, including the water retention, fluidity and cohesiveness of concrete.

The traditional slump measuring method generally comprises the steps that a horn-shaped barrel with a fixed size is used, workers pour concrete into the barrel in a grading mode, the concrete in the barrel is tamped in the filling process in a mode that a tamping hammer is used for knocking the barrel wall, the barrel is pulled out after an upper opening is leveled, the concrete collapses, and the measured collapse height is the slump of the concrete of the batch; considering that manual tamping not only consumes physical power, efficiency is lower moreover, needs one person to fix another person of slump test bucket and carries out the tamping, has the slump measuring device that can realize automatic tamping, and its leading principle is then to drive the ram through a power part and move along vertical direction and carry out the tamping.

In view of the above related technologies, the inventor believes that the slump testing barrel is a horn-shaped barrel, and the rammer only moves in the vertical direction and cannot tamp concrete close to the barrel wall, which affects the accuracy of the final measurement result.

SUMMERY OF THE UTILITY MODEL

In order to can the concrete in the wider range tamping measuring bucket, this application provides a concrete slump tester.

The application provides a concrete slump tester adopts following technical scheme:

a concrete slump tester comprises a measuring barrel, a tamping hammer and a support, wherein a measuring platform for placing the measuring barrel is arranged on the support; the measuring platform is rotatably connected to the support, the rotating axis of the measuring platform is arranged along the vertical direction, and the support is also provided with a servo motor for driving the measuring platform to rotate; the support is rotatably connected with an oscillating disc, the rotating axis of the oscillating disc is radial and is arranged along the horizontal direction, the rammer penetrates through the oscillating disc along the thickness direction of the oscillating disc, and a tamping cylinder for driving the rammer to slide along the thickness direction of the oscillating disc is arranged on the oscillating disc; and a first driving component for driving the swinging disc to rotate is arranged on the support.

By adopting the technical scheme, when the slump of the concrete needs to be measured, the measuring barrel is placed on the measuring platform, then the concrete is poured, and after the concrete is poured, the tamping cylinder is started to drive the tamping hammer to continuously hammer the concrete; the inclination angle of the oscillating disc can be adjusted by driving the oscillating disc to rotate by starting the driving assembly, and meanwhile, the inclination angle of the rammer can be adjusted, so that the rammer can stretch to the concrete close to the peripheral wall of the measuring barrel, and the position of all the concrete in the measuring barrel can be stretched by starting the servo motor.

Optionally, the first driving assembly comprises a swing cylinder and a sliding block, the sliding block is connected to the swing disc in a sliding mode in the radial direction of the swing disc, the swing cylinder is fixedly connected to the support, the other end of the swing cylinder is connected with the sliding block in a rotating mode, and the telescopic direction of the swing cylinder is arranged in the vertical direction.

Through adopting above-mentioned technical scheme, thereby when the cylinder is flexible, thereby the swing dish is promoted or is pulled and change inclination by the cylinder.

Optionally, the support is connected with a separation plate in a sliding manner along the vertical direction, the swing disc is rotatably connected to the separation plate, and the swing cylinder is fixedly connected to the separation plate; and the bracket is also provided with a second driving component for driving the separation plate to slide.

Through adopting above-mentioned technical scheme, can wholly remove measurement bucket top with swing dish and ramming weight, can adapt to the not measuring bucket of co-altitude when can make things convenient for concrete placement.

Optionally, the driving assembly II comprises a separation cylinder, the separation cylinder is fixedly connected to the support, and the telescopic end of the separation cylinder is fixedly connected with the separation plate.

Through adopting above-mentioned technical scheme, the cylinder directly promotes to break away from the board and slides, and the adjustment that can be quick breaks away from the high position of board.

Optionally, a pull rope is arranged on the swinging disc, and a hook is arranged at the other end of the pull rope; and the outer wall of the measuring barrel is provided with an earring for hanging the hook.

Through adopting above-mentioned technical scheme, after concrete pouring and tamping are accomplished, can mention swing disc together with the measuring bucket through couple and earrings, accomplish the pulling out of measuring bucket.

Optionally, the number of the pull ropes and the number of the ear rings are four, the pull ropes are uniformly distributed in the circumferential direction of the oscillating disc, and the ear rings are uniformly distributed in the circumferential direction of the measuring barrel.

By adopting the technical scheme, the measuring barrel can be prevented from inclining and knocking over the concrete block in the pulling process.

Optionally, the measuring platform is detachably connected with a positioning ring for positioning the measuring barrel.

Through adopting above-mentioned technical scheme, can make the measuring bucket fix a position fast and prevent on measuring platform.

Optionally, the rammer is coated with a release agent.

Through adopting above-mentioned technical scheme, can prevent that the rammer from adhering to too much concrete and taking the concrete out of measuring bucket.

To sum up, the application comprises the following beneficial technical effects:

1. through the arrangement of the swing disc and the driving assembly, the tamping hammer can tamp concrete close to the peripheral wall of the measuring barrel, and the accuracy of a measuring result is improved;

2. this application is through the setting of couple and earrings, makes measuring bucket can be quick pulled out and can not bump the concrete piece.

Drawings

Fig. 1 is an overall schematic diagram of a concrete slump testing device according to the present application.

Fig. 2 is a sectional view of the structure of fig. 1.

Description of reference numerals:

1. a support; 11. a measuring barrel; 111. an ear ring; 12. a ramming hammer; 13. a measuring platform; 131. a positioning ring; 14. a servo motor; 15. a wobble plate; 151. pulling a rope; 152. hooking; 16. a tamping cylinder; 161. a connecting plate; 17. a disengagement plate; 18. a disengagement cylinder; 21. a swing cylinder; 22. a slider; 23. a chute.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses concrete slump tester. Referring to fig. 1 and 2, the device comprises a support 1, wherein a measuring platform 13 for placing a measuring barrel 11 is arranged on the support 1, and a servo motor 14 for driving the measuring platform 13 to rotate is arranged on the support 1; the support 1 is also rotatably connected with a swinging disc 15, the rotating axis of the swinging disc 15 is in the radial direction of the support and is arranged along the horizontal direction, and a first driving assembly for driving the swinging disc 15 to rotate is arranged on the support 1; a rammer 12 penetrates through the swinging disc 15 along the thickness direction of the swinging disc; the swinging disc 15 is also fixedly connected with a tamping cylinder 16.

When concrete needs to be tamped, the measuring barrel 11 is placed on the measuring platform 13, concrete is poured into the measuring platform, and then the servo motor 14 is started to drive the measuring platform 13 to rotate with the measuring barrel 11; then, the tamping air cylinder 16 is started to enable the tamping hammer 12 to slide so as to tamp concrete; in the process, the inclination angle of the swinging disc 15 can be adjusted through the first driving assembly, so that the inclination angle of the rammer 12 can be adjusted, and the concrete can be tamped in a wider range.

In this embodiment, the driving assembly includes a swing cylinder 21 and a slider 22, the swing disk 15 has a sliding slot along its radial direction, the slider 22 is slidably connected in the sliding slot, the swing cylinder 21 is fixedly connected to the support 1, and the telescopic end of the swing cylinder 21 is rotatably connected to the slider 22; the oscillating cylinder 21 expands and contracts to drive the oscillating disc 15 to rotate.

In another embodiment, the first driving component may be a wobble motor, which directly drives the wobble plate 15 to rotate.

In order to place the measuring barrels 11 with different heights and simultaneously to integrally move the swinging disc 15 with the rammer 12 away from the measuring barrels 11, the concrete pouring is more convenient; a separation plate 17 is connected to the bracket 1 in a sliding manner along the vertical direction, the swing disc 15 is rotatably connected to the separation plate 17, and the swing cylinder 21 is fixedly connected to the separation plate 17; the bracket 1 is also provided with a second driving component for driving the disengaging plate 17 to slide; when the distance between the separation plate 17 and the measuring platform 13 needs to be adjusted or the swinging disc 15 with the rammer 12 needs to be integrally far away from the measuring barrel 11; and starting the second driving component to enable the disengagement plate 17 to slide upwards along the vertical direction.

In the embodiment, the driving assembly II comprises a separation air cylinder 18, the separation air cylinder 18 is fixedly connected on the bracket 1, and the telescopic end of the separation air cylinder 18 is fixedly connected with the separation plate 17.

In another embodiment, the second driving assembly can be a screw rod and a separation motor, the screw rod is vertically arranged on the bracket 1, the separation plate 17 is connected with the screw rod through a screw rod nut, and the separation motor is used for driving the screw rod to rotate; the screw rod can drive the separation plate 17 to slide along the length direction of the screw rod by rotating, but the speed of driving the separation plate 17 to slide in the mode is lower than that of the separation cylinder 18, and the energy consumption and the abrasion are also larger.

Considering that the measuring barrel 11 needs to be quickly pulled out upwards along the vertical direction in the subsequent process of measuring the slump, and the measuring barrel cannot touch the concrete in the process so as not to push the concrete; therefore, two pulling ropes 151 are provided on the swing plate 15, and the two pulling ropes 151 are centrosymmetric with respect to the axis of the measuring bucket 11; the other end of the pull rope 151 is connected with a hook 152, and two hooks 152 which are centrosymmetric with respect to the axis of the measuring barrel 11 are arranged on the outer wall of the measuring barrel 11; but when the measuring barrel 11 needs to be pulled out, the swinging disk 15 is restored to the horizontal state; the hook 152 is then hooked on the ear ring 111, and the disengagement cylinder 18 is then actuated to pull out the entire measuring barrel 11 in the vertical direction.

In order to quickly place the measuring barrel 11 at the center of the measuring platform 13, a positioning ring 131 is connected to the measuring platform through screws; meanwhile, when the concrete on the measuring platform 13 needs to be cleaned after the measurement is completed, the positioning ring 131 can be detached, so that the concrete can be cleaned more conveniently and thoroughly.

In order to place the concrete against the ram 12, the ram 12 is coated with a release agent.

The implementation principle of the concrete slump tester in the embodiment of the application is as follows: firstly, quickly positioning the measuring barrel 11 through a positioning ring 131 and placing the measuring barrel on a measuring platform 13, then adjusting a swinging disc 15 and a tamping hammer 12 to a proper height through a separation cylinder 18, then starting a servo motor 14I and a tamping cylinder 16 to tamp concrete in the measuring barrel 11, and adjusting the inclination angle of the tamping hammer 12 through a swinging cylinder 21 in the process so that the tamping hammer 12 can tamp the concrete close to the peripheral wall of the measuring barrel 11; when the measuring barrel 11 needs to be pulled out after the concrete is tamped, the separation plate 17 is lowered, then the hook 152 is hung on the ear ring 111, and the measuring barrel 11 is quickly pulled out in the vertical direction through the separation cylinder 18.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete slump tester, includes measuring bucket (11) and ram (12), its characterized in that: the device is characterized by also comprising a support (1), wherein a measuring platform (13) for placing a measuring barrel (11) is arranged on the support (1); the measuring platform (13) is rotatably connected to the support (1), the rotating axis of the measuring platform (13) is arranged along the vertical direction, and the support (1) is also provided with a servo motor (14) for driving the measuring platform (13) to rotate; the support (1) is connected with an oscillating disc (15) in a rotating mode, the rotating axis of the oscillating disc (15) is radial and is arranged along the horizontal direction, the pounding hammer (12) penetrates through the oscillating disc (15) along the thickness direction of the oscillating disc (15), and a tamping cylinder (16) used for driving the pounding hammer (12) to slide along the thickness direction of the oscillating disc (15) is arranged on the oscillating disc (15); the support (1) is provided with a first driving assembly for driving the swinging disc (15) to rotate.

2. The concrete slump tester according to claim 1, wherein: drive assembly one includes swing cylinder (21) and slider (22), slider (22) are followed swing dish (15) radial direction sliding connection is in on the swing dish (15), swing cylinder (21) fixed connection be in on support (1), the other end of swing cylinder (21) with slider (22) rotate to be connected, the flexible direction of swing cylinder (21) sets up along vertical direction.

3. The concrete slump tester according to claim 1, wherein: the support (1) is connected with a separation plate (17) in a sliding mode along the vertical direction, the swing disc (15) is connected to the separation plate (17) in a rotating mode, and the first driving assembly is arranged on the separation plate (17); and a second driving assembly for driving the disengagement plate (17) to slide is further arranged on the support (1).

4. A concrete slump tester according to claim 3, wherein: the second driving assembly comprises a disengagement cylinder (18), the disengagement cylinder (18) is fixedly connected to the support (1), and the telescopic end of the disengagement cylinder (18) is fixedly connected with the disengagement plate (17).

5. A concrete slump tester according to claim 3, wherein: a pull rope (151) is arranged on the swinging disc (15), and a hook (152) is arranged at the other end of the pull rope (151); the outer wall of the measuring barrel (11) is provided with an earring (111) for hanging the hook (152).

6. The concrete slump tester according to claim 5, wherein: stay cord (151) with earrings (111) are four, stay cord (151) are in be evenly distributed on swing dish (15) circumferential direction, earrings (111) are evenly distributed on measuring bucket (11) circumferential direction.

7. The concrete slump tester according to claim 1, wherein: the measuring platform (13) is detachably connected with a positioning ring (131) used for positioning the measuring barrel (11).

8. The concrete slump tester according to claim 1, wherein: and a release agent is coated on the rammer (12).