CN219162153U

CN219162153U - Portable concrete slump measuring device

Info

Publication number: CN219162153U
Application number: CN202223115972.4U
Authority: CN
Inventors: 孙士成
Original assignee: CCCC First Harbor Engineering Co Ltd
Current assignee: CCCC First Harbor Engineering Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-09
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a portable concrete slump measuring device, which comprises: the tamping rod, the funnel, the barrel body and the measuring scale; the funnel is arranged at the top end of the barrel body, and the measuring ruler is positioned at one side of the barrel body and is used for measuring the slump of concrete; the tamping rod is used for stirring and extruding the concrete in the barrel body. The tamper comprises: the device comprises a rod, an inner shell, a pressing plate, a spring, an inner pressing seat, an inner pressing rod, a damping seat and a ramming plate; the pressing plate, the spring, the internal pressure seat and the damping seat are all located the inside of inner shell, and the inner shell is fixed on the ramming plate, and the stick rod runs through the top of inner shell and is connected with the pressing plate, and the internal pressure seat is fixed in the bottom of pressing plate, and the top of internal pressure pole is connected with the internal pressure seat, and the internal pressure pole runs through the ramming plate, the damping seat sets up on the ramming plate, and the spring is installed between pressing plate and damping seat to the spring suit is in the outside of internal pressure seat. By using the tamping rod, the concrete in the barrel body can be compacted, and the tamping machine is simple in design, small in occupied area and convenient to carry.

Description

Portable concrete slump measuring device

Technical Field

The utility model relates to the technical field of highway engineering, in particular to a portable concrete slump measuring device.

Background

The slump mainly refers to plasticizing performance and pumpability of concrete, factors influencing the slump mainly include grading change, water content, weighing deviation of a weighing apparatus, dosage of an additive, cement temperature and the like which are easy to ignore, the slump refers to workability of the concrete, specifically, normal construction is guaranteed, water retention, fluidity and cohesiveness of the concrete are included, but in the prior art, the slump measurement of the concrete is complex, and the concrete cannot be filled in the compaction process.

Disclosure of Invention

The utility model aims at overcoming the technical defects in the prior art and provides a portable concrete slump measuring device.

The utility model is realized by the following technical scheme:

a portable concrete slump measuring device, the device comprising: the tamping rod, the funnel, the barrel body and the measuring scale; the funnel is arranged at the top end of the barrel body, and the measuring ruler is positioned at one side of the barrel body and is used for measuring the slump of concrete; the tamping rod is used for stirring and extruding the concrete in the barrel body;

the tamper comprises: the device comprises a rod, an inner shell, a pressing plate, a spring, an inner pressing seat, an inner pressing rod, a damping seat and a ramming plate; the pressing plate, the spring, the internal pressing seat and the damping seat are all located in the inner shell, the inner shell is fixed on the tamping plate, the rod penetrates through the top of the inner shell and is connected with the pressing plate, the internal pressing seat is fixed at the bottom of the pressing plate, the top end of the internal pressing rod is connected with the internal pressing seat, the internal pressing rod is coaxially arranged with the rod, the internal pressing rod penetrates through the tamping plate, the damping seat is arranged on the tamping plate, the spring is installed between the pressing plate and the damping seat, and the spring is sleeved on the outer side of the internal pressing seat.

In the above technical solution, the measuring tape includes: the device comprises a limiting head, a supporting column, a ruler body, a rotary head, a threaded rod, an air bag, a chuck and a base; the limiting head is fixed at the top end of the supporting column, the supporting column is fixed on the base, and scales are arranged on the outer wall of the supporting column along the height direction of the supporting column; the ruler body is hollow structure, and the ruler body suit is on the support column, the threaded rod is internal to be inserted in the ruler body in the rotation, and the outer end of threaded rod is connected on the rotator, the gasbag is connected with the inner of threaded rod, and the gasbag is located the ruler body inside, the chuck is fixed at the gasbag tip.

In the technical scheme, the balance ring is arranged at the bottom of the barrel body.

In the technical scheme, the internal pressure seat is of a vacuum structure, a piston is arranged in the internal pressure seat, the upper end of the internal pressure rod is fixedly connected with the piston, and the internal pressure seat is connected with the internal pressure rod.

In the technical scheme, the outer side face of the lower end of the funnel and the inner side face of the upper end of the barrel body are provided with threads, and the funnel is connected with the barrel body through the threads.

In the technical scheme, the pressing pad is further arranged between the bottom of the spring and the top of the damping seat, and is made of rubber, so that the damping seat has the effects of buffering and noise reduction.

In the technical scheme, the pressing pad is arranged between the bottom of the damping seat and the rammer, so that the damping seat has the effects of buffering and noise reduction.

The utility model has the advantages and beneficial effects that:

(1) The portable concrete slump measuring device can compact the concrete in the barrel body by using the tamping rod.

(2) The slump measuring device has the advantages of simple design, small occupied area and convenient carrying.

Drawings

FIG. 1 is a schematic view of a portable concrete slump measuring apparatus according to the present utility model;

FIG. 2 is a front cross-sectional view of a tamper in a portable concrete slump measuring device according to the present utility model;

FIG. 3 is a front cross-sectional view of a measuring tape in a portable concrete slump measuring device according to the present utility model;

in the figure: 1-rammer, 2-funnel, 3-barrel, 4-balance ring, 5-measuring scale, 11-stick, 12-inner shell, 13-platen, 14-spring, 15-inner pressure seat, 16-inner pressure rod, 17-pressure pad, 18-damping seat, 19-rammer, 51-limit head, 52-support column, 53-scale, 54-rotary head, 55-threaded rod, 56-air bag, 57-chuck, 58-base, 59-scale mark.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

A portable concrete slump measuring device, see fig. 1, comprising: the tamper comprises a tamper 1, a funnel 2, a barrel 3, a balance ring 4 and a measuring tape 5. The funnel 2 is arranged at the top end of the barrel body 3 and is used for preventing leakage when concrete is poured into the device; the barrel body 3 is arranged at the upper end of the balance ring 4 and is used for accumulating concrete; the measuring ruler 5 is positioned on the right side of the barrel body 3 and is used for measuring concrete slump; the tamping rod 1 is used for stirring and extruding concrete in the barrel body 3.

Referring to fig. 2, the tamper 1 comprises: rod 11, inner shell 12, pressure plate 13, spring 14, internal pressure seat 15, internal pressure rod 16, damping seat 18 and tamper 19; the pressing plate 13, the spring 14, the inner pressing seat 15 and the damping seat 18 are all located in the inner shell 12, the inner shell 12 is fixed on the tamping plate 19, the rod 11 penetrates through the top of the inner shell 12 to be connected with the pressing plate 13, the inner pressing seat 15 is fixed at the bottom of the pressing plate 13, the top end of the inner pressing rod 16 is connected with the inner pressing seat 15, the inner pressing rod 16 and the rod 11 are coaxially arranged, the inner pressing rod 16 penetrates through the tamping plate 19, the damping seat 18 is arranged on the tamping plate 19, the spring 14 is installed between the pressing plate 13 and the damping seat 18, and the spring 14 is sleeved outside the inner pressing seat 15. When in use, the rod 11 is pushed, so that the pressing plate 13 connected with the rod 11 presses the spring 14 downwards, and then the rammer 19 is pushed downwards to squeeze the concrete in the barrel 3. Further, a pressing pad 17 is arranged between the bottom of the spring 14 and the top of the damping seat 18, and the pressing pad 17 is made of rubber material, so that the effects of buffering and noise reduction are achieved; a pressing pad is also arranged between the bottom of the damping seat 18 and the rammer plate 19, and plays a role in buffering and noise reduction.

Referring to fig. 3, the measuring tape 5 includes: the device comprises a limiting head 51, a supporting column 52, a ruler body 53, a rotary head 54, a threaded rod 55, an air bag 56, a chuck 57 and a base 58; the limiting head 51 is fixed at the top end of the supporting column 52, the supporting column 52 is fixed on the base 58, and the outer wall of the supporting column 52 is provided with scales 59 along the height direction; the ruler body 53 is of a hollow structure, and the ruler body 53 is sleeved on the support column 52 and can move up and down along the support column 52; the inner end of the threaded rod 55 is rotatably inserted into the ruler body 53, the outer end of the threaded rod 55 is connected with the rotary head 54, the air bag 56 is connected with the inner end of the threaded rod 55, the air bag 56 is positioned inside the ruler body 53, the chuck 57 is fixed at the end part of the air bag 56, the chuck 57 is made of rubber, the threaded rod 55 is inwards screwed in by rotating the rotary head 54, and the chuck 57 is further pressed against the supporting column 52, so that the position of the ruler body 53 on the supporting column 52 is fixed.

Further, the inner part of the inner pressure seat 15 is of a vacuum structure, a piston is installed in the inner part of the inner pressure seat, and the upper end of the inner pressure rod 16 is fixedly connected with the piston to realize the connection between the inner pressure seat 15 and the inner pressure rod 16.

Further, the outer side surface of the lower end of the funnel 2 and the inner side surface of the upper end of the barrel body 3 are provided with threads, and the funnel 2 is connected with the barrel body 3 through threads.

Further, the balance ring 4 is welded to the lower end of the barrel body 3, so as to ensure stable balance of the barrel body 3.

The using method of the portable concrete slump measuring device comprises the following steps:

pouring the stirred concrete into the barrel 3 from the upper part of the hopper 2 when measuring the slump of the concrete, vertically inserting the ramming rod 1 into the device when each third, two thirds and full barrel of the concrete in the barrel 3, pushing the rod 11 downwards to enable the ramming plate 19 to contact the concrete, extruding the concrete downwards to prevent doped air from entering when pouring the concrete next time, stirring the concrete in the barrel 3 by using the internal pressure rod 16 to fill the concrete, and slowly lifting the device to enable the concrete to slump freely; the height of the free-falling concrete is measured by using a measuring scale 5, the screw head 54 is rotated to enable the threaded rod 55, the air bag 56 and the chuck 57 to be screwed out rightward, clamping of the supporting column 52 is stopped, the scale body 53 is moved outside the supporting column 52, the free-falling concrete is measured by a scale mark 59, the free-falling concrete height is obtained, the height difference between the free-falling concrete and the barrel body 3 is compared with the height of the barrel body 3, and if the height difference is within a standard range, the slump of the concrete is qualified. The concrete slump measuring device is simple in design, small in occupied area and convenient to carry.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

While the utility model has been described by way of example, it should be noted that any simple modification, variation or other equivalent which would occur to those skilled in the art without departing from the spirit of the utility model, is within the scope of the utility model.

Claims

1. A portable concrete slump measuring device, characterized by: the device comprises: the tamping rod, the funnel, the barrel body and the measuring scale; the funnel is arranged at the top end of the barrel body, the measuring ruler is positioned at one side of the barrel body, and the tamping rod is used for stirring and extruding concrete in the barrel body;

2. The portable concrete slump measuring apparatus according to claim 1, wherein: the measuring tape includes: the device comprises a limiting head, a supporting column, a ruler body, a rotary head, a threaded rod, an air bag, a chuck and a base; the limiting head is fixed at the top end of the supporting column, the supporting column is fixed on the base, and scales are arranged on the outer wall of the supporting column along the height direction of the supporting column; the ruler body is hollow structure, and the ruler body suit is on the support column, the threaded rod is internal to be inserted in the ruler body in the rotation, and the outer end of threaded rod is connected on the rotator, the gasbag is connected with the inner of threaded rod, and the gasbag is located the ruler body inside, the chuck is fixed at the gasbag tip.

3. The portable concrete slump measuring apparatus according to claim 1, wherein: the bottom of the barrel body is provided with a balance ring.

4. The portable concrete slump measuring apparatus according to claim 1, wherein: the internal pressure seat is of a vacuum structure, a piston is arranged in the internal pressure seat, the upper end of the internal pressure rod is fixedly connected with the piston, and the internal pressure seat is connected with the internal pressure rod.

5. The portable concrete slump measuring apparatus according to claim 1, wherein: the outer side surface of the lower end of the funnel and the inner side surface of the upper end of the barrel body are provided with threads, and the funnel is connected with the barrel body through threads.

6. The portable concrete slump measuring apparatus according to claim 1, wherein: a pressing pad is arranged between the bottom of the spring and the top of the damping seat, and the pressing pad is made of rubber.

7. The portable concrete slump measuring apparatus according to claim 1, wherein: a pressing pad is arranged between the bottom of the damping seat and the rammer.