CN216051745U

CN216051745U - Testing arrangement of concrete mixture

Info

Publication number: CN216051745U
Application number: CN202122237052.9U
Authority: CN
Inventors: 赖广兴; 尹键丽; 麻秀星; 郭元强; 林添兴; 陈湧忠
Original assignee: Xiamen Academy Of Building Science Co ltd; Xiamen Tianrun Jinlong Building Material Co ltd
Current assignee: Xiamen Academy Of Building Science Co ltd; Xiamen Tianrun Jinlong Building Material Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-15
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a concrete mixture testing device which comprises a slump cone, a base, a laser sensor and a driving mechanism, wherein the base is used for bearing the concrete mixture, the laser sensor is arranged on the base and used for measuring the height and the diameter of the flow area of the concrete mixture treated by the slump cone, the driving mechanism is arranged on the base and connected with the slump cone, and the driving mechanism is used for driving the slump cone to move along the vertical direction or the horizontal direction. The slump and the expansion of the concrete mixture can be accurately measured through the laser sensor, and the error caused by manual visual measurement of the ruler is avoided, so that the slump and the expansion measuring accuracy of the concrete mixture is improved.

Description

Testing arrangement of concrete mixture

Technical Field

The utility model relates to the technical field of concrete testing, in particular to a testing device for concrete mixtures.

Background

In the construction process of the concrete in the constructional engineering, the slump and the expansion of the concrete need to be tested for checking the workability and the working performance of the concrete. Slump and expansion are important properties of concrete, and directly influence the plasticizing performance and the pumpability of the concrete. In the measurement of the slump and the expansion degree, the slump and the expansion degree are manually observed by the ruler, the reading of the ruler data and the manual observation bring larger errors, and the measurement accuracy is reduced.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a concrete mixture's testing arrangement to solve among the prior art when measuring concrete mixture's slump and extension, through the artifical visual error that comes of ruler, reduce the technical problem of the degree of accuracy of measurement.

The utility model provides a concrete mixture testing device, which comprises:

a slump cone;

the base is used for bearing concrete mixture;

the laser sensor is arranged on the base and is used for measuring the height and the diameter of the flow area of the concrete mixture processed by the slump cone; and

actuating mechanism, actuating mechanism set up in on the base, actuating mechanism with the slump section of thick bamboo is connected, actuating mechanism is used for the drive the slump section of thick bamboo is followed vertical direction or is removed along the horizontal direction.

Further, actuating mechanism includes first rotation piece and cylinder, first rotation piece sets up on the base, the one end of cylinder with first rotation piece is connected, the other end of cylinder with the slump section of thick bamboo is connected, first rotation piece can drive the cylinder rotates along the horizontal direction, in order to drive the slump section of thick bamboo rotates along the horizontal direction, the cylinder is used for the drive the slump section of thick bamboo removes along vertical direction.

Further, testing arrangement still includes strickle off the mechanism, strickle off the mechanism set up in on the base, strickle off the mechanism and be used for will overflowing slump section of thick bamboo top the concrete mixture is strickleed off.

Further, strickle the mechanism and include that the second rotates the piece and strickle the piece, the second rotate the piece set up in on the base, the second rotate the piece with it connects to strickle the piece, the second rotates the piece and is used for the drive it removes and passes along the horizontal direction to strickle the piece the top of slump section of thick bamboo, so that it will overflow to strickle the piece the top of slump section of thick bamboo the concrete mixture strikes off.

Further, testing arrangement still includes the vibrator, the vibrator set up in the second rotates on the piece, the second rotates the piece and can drives the vibrator with the contact of slump section of thick bamboo, the vibrator is used for driving the vibration of slump section of thick bamboo.

Further, the testing arrangement still includes and connects the flitch, connect the flitch set up in the lateral wall of slump section of thick bamboo.

Further, the material receiving plate is arranged in a downward inclined mode towards the direction close to the outer side wall of the slump cone.

Furthermore, the testing device also comprises a moving part, wherein the moving part is arranged on the base and is used for driving the base to move.

Further, the base comprises a weight measuring instrument and a supporting piece, wherein the weight measuring instrument is arranged on the supporting piece and is used for bearing the concrete mixture and measuring the weight of the concrete mixture.

Further, the laser sensor is a surface laser sensor.

The testing device of the concrete mixture provided by the utility model places the slump cone on the base, fills the concrete mixture into the slump cone, when the slump cone is filled with concrete mixture, the driving mechanism drives the slump cone to move upwards along the vertical direction, when the height of the bottom end of the slump cone is greater than that of the top end of the concrete mixture, the driving mechanism drives the slump cone to move along the horizontal direction, and after the concrete mixture is collapsed under the self gravity, the laser sensor measures the height of the concrete mixture and the diameter of the flow area, the height before the concrete mixture slump minus the height after the concrete mixture slump is the height of the concrete mixture slump, the height is slump, and the average value of the longest diameter of the concrete mixture and the other diameter perpendicular to the longest diameter is measured, namely the expansion degree of the concrete mixture. Therefore, the slump and the expansion of the concrete mixture can be accurately measured through the laser sensor, and the error caused by manual visual measurement of the straight ruler is avoided, so that the slump and the expansion measuring accuracy of the concrete mixture is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a testing device for concrete mixtures in an embodiment of the present invention;

FIG. 2 is a side view of the base and the moveable member in an embodiment of the present invention.

The main components are as follows:

100. a slump cone; 200. a base; 210. a weight measuring instrument; 220. a support member; 300. a laser sensor; 400. a drive mechanism; 410. a first rotating member; 420. a cylinder; 500. a strickling mechanism; 510. A second rotating member; 520. a scraping member; 600. a vibrator; 700. a material receiving plate; 800. a moving member; 900. Human-computer interaction panel computer.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are 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 at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in FIGS. 1 and 2, in some embodiments, the testing device for the concrete mixture comprises a slump cone 100, a base 200, a laser sensor 300 and a driving mechanism 400, wherein the base 200 is used for bearing the concrete mixture, the laser sensor 300 is arranged on the base 200, the laser sensor 300 is used for measuring the height and the diameter of the flow area of the concrete mixture processed by the slump cone 100, the driving mechanism 400 is arranged on the base 200, the driving mechanism 400 is connected with the slump cone 100, and the driving mechanism 400 is used for driving the slump cone 100 to move in the vertical direction or in the horizontal direction. Specifically, the laser sensor 300 is a surface laser sensor 300. More specifically, the slump cone 100 is a stainless steel trumpet-shaped slump cone, and the slump cone with the upper opening diameter of 100mm, the lower opening diameter of 200mm and the cone height of 300mm is specified in JG/T248 concrete slump constant.

During operation, the slump cone 100 is placed on the base 200, the slump cone 100 is filled with concrete mixture, after the slump cone 100 is filled with the concrete mixture, the driving mechanism 400 drives the slump cone 100 to move upwards along the vertical direction, when the height of the bottom end of the slump cone 100 is larger than the height of the top end of the concrete mixture, the driving mechanism 400 drives the slump cone 100 to move along the horizontal direction, after the concrete mixture is subjected to a slump phenomenon under the self gravity, the laser sensor 300 measures the height and the diameter of a flow area of the concrete mixture, the height obtained by subtracting the height before the concrete mixture is collapsed from the height after the concrete mixture is collapsed is the height of the concrete mixture, the height is the slump, and the average value of the longest diameter of the concrete mixture and the other diameter perpendicular to the longest diameter of the concrete mixture is measured, namely the expansion degree of the concrete mixture. Therefore, the slump and the expansion of the concrete mixture can be accurately measured through the laser sensor 300, and the error caused by manual visual measurement of the straight ruler is avoided, so that the slump and the expansion measuring accuracy of the concrete mixture is improved.

In addition, when the slump cone 100 is lifted, manual operation is difficult to ensure that the slump cone 100 is lifted vertically and stably, large resistance is generated between the cone wall of the slump cone 100 and concrete mixture due to uneven force applied by left and right hands, the situation that the concrete collapses or is sheared off at one side can be caused, the test result is influenced, and even the test needs to be performed again, but the test device drives the slump cone 100 to lift upwards along the vertical direction through the driving mechanism 400, and the slump cone 100 can be lifted vertically and stably due to mechanical operation instead of manual operation.

Further, actuating mechanism 400 includes first rotation piece 410 and cylinder 420, and first rotation piece 410 sets up on base 200, and the one end and the first rotation piece 410 of cylinder 420 are connected, and the other end and the slump cone 100 of cylinder 420 are connected, and first rotation piece 410 can drive cylinder 420 and rotate along the horizontal direction to drive slump cone 100 and rotate along the horizontal direction, and cylinder 420 is used for driving slump cone 100 and removes along vertical direction. When filling concrete mix, the cylinder 420 provides a vertically downward force to the slump cone 100 to press the slump cone 100 downward, preventing the slump cone 100 from being jacked up in the process of filling concrete mix. Specifically, the first rotating member 410 is a motor or a robot arm.

Furthermore, the testing device further comprises a scraping mechanism 500, the scraping mechanism 500 is disposed on the base 200, and the scraping mechanism 500 is used for scraping concrete mixture overflowing the top end of the slump cone 100. At the in-process to the interior filling concrete mixture of slump section of thick bamboo 100, the condition that concrete mixture spills over a slump section of thick bamboo 100 top can appear in the difficult escape, and the slump that leads to concrete mixture and the test of expansion can the error appear, will spill over the concrete mixture on a slump section of thick bamboo 100 top through strickleing mechanism 500 and strike off, improves the degree of accuracy of the test of the slump and the expansion of concrete mixture.

Specifically, strickle mechanism 500 includes second rotation piece 510 and strickle 520, and second rotation piece 510 sets up on base 200, and second rotation piece 510 is connected with strickle 520, and second rotation piece 510 is used for driving strickle 520 and removes and pass through the top of slump cone along the horizontal direction to make strickle 520 will spill over the concrete mixture on top of slump cone 100 and scrape off. More specifically, the second rotating member 510 is a motor or a robot arm.

In some embodiments, the testing apparatus further includes a vibrator 600, the vibrator 600 is disposed on the second rotating member 510, the second rotating member 510 can drive the vibrator 600 to contact the slump cone 100, and the vibrator 600 is used for driving the slump cone 100 to vibrate, so that the concrete mixture in the slump cone 100 is more compact. Both the vibrator 600 and the leveling member 520 are disposed on the second rotating member 510, so that the leveling effect can be achieved while vibrating.

Specifically, the test device further comprises a receiving plate 700, and the receiving plate 700 is arranged on the outer side wall of the slump cone 100. Under the effect of strickleing off mechanism 500, the concrete mixture that has the part falls down from the top of slump section of thick bamboo 100, can collect the concrete mixture that falls down from the top of slump section of thick bamboo 100 through connecing flitch 700, avoids falling into base 200 through the concrete mixture that strickles off mechanism 500 and handles, makes dirty with base 200, and the concrete mixture that connects flitch 700 to collect can also utilize, avoids the waste of concrete mixture. More specifically, the receiver plate 700 has a circular plate structure. Further, connect flitch 700 towards the direction downward sloping setting of the lateral wall that is close to the slump section of thick bamboo, fall into the lateral wall that flows to the slump section of thick bamboo 100 behind the flitch 700 from the top of slump section of thick bamboo 100 when concrete mix, can ensure to collect the concrete mix of the slump section of thick bamboo 100 that the mechanism 500 handled is strickleed off to the process.

In some embodiments, the testing apparatus further includes a moving member 800, the moving member 800 is disposed on the base 200, and the moving member 800 is configured to drive the base 200 to move. Specifically, moving member 800 is a rotating wheel, and the rotation of rotating wheel can drive base 200 and remove, and the rotating wheel can reduce the frictional force of base 200 and ground, improves the removal efficiency of base 200. More specifically, the moving member 800 is a universal wheel, which can change the moving direction of the base 200, so that the base 200 can move in different directions. Further, the number of the moving members 800 may be four, and the four moving members 800 are respectively disposed at the bottom of the base 200.

In some embodiments, the base 200 includes a weight scale 210 and a support member 220, the weight scale 210 is disposed on the support member 220, and the weight scale 210 is configured to carry concrete mix and measure the weight of the concrete mix. In actual tests, the volume of the concrete mixture is the volume of the slump cone 100, and the apparent density of the concrete mixture can be obtained after the weight of the concrete mixture at the position is measured by the weight measuring instrument 210. Specifically, the moving member 800 is disposed on the supporting member 220.

Specifically, the testing device further comprises a human-computer interaction tablet computer 900, the human-computer interaction tablet computer 900 is respectively connected with the weight measuring instrument 210 and the laser sensor 300, the human-computer interaction tablet computer 900 receives data measured by the laser sensor 300, the longest diameter and the vertical diameter of the concrete mixture are obtained by combining an algorithm program, and the expansion degree of the concrete mixture is automatically calculated. The laser sensor 300 measures the height of the concrete mixture after slump, the height of the concrete mixture before slump is known (namely the height of the slump cone 100), and the human-computer interaction tablet computer 900 is combined with an algorithm program to calculate the slump of the concrete mixture.

The mass or weight of the concrete mixture is obtained through the weight measuring instrument 210, and under the condition that the volume data of the slump cone 100 are known, the man-machine interaction tablet computer 900 is combined with an algorithm program to obtain the apparent density of the concrete. The human-computer interaction tablet computer 900 is also capable of displaying slump, spread and apparent density data obtained by the test and copying the data with a USB disk.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A concrete mix testing apparatus comprising:

a slump cone;

the base is used for bearing concrete mixture;

2. The testing device of claim 1, wherein the driving mechanism comprises a first rotating member and an air cylinder, the first rotating member is disposed on the base, one end of the air cylinder is connected to the first rotating member, the other end of the air cylinder is connected to the slump cone, the first rotating member can drive the air cylinder to rotate in the horizontal direction to drive the slump cone to rotate in the horizontal direction, and the air cylinder is used for driving the slump cone to move in the vertical direction.

3. The testing device of claim 1, further comprising a scraping mechanism disposed on the base, the scraping mechanism configured to scrape off the concrete mixture overflowing the top end of the slump cone.

4. The testing device of claim 3, wherein the strickle mechanism comprises a second rotating member and a strickle member, the second rotating member is disposed on the base, the second rotating member is connected with the strickle member, and the second rotating member is used for driving the strickle member to move along a horizontal direction and pass through the top end of the slump cone, so that the strickle member scrapes off the concrete mixture overflowing the top end of the slump cone.

5. The testing device of claim 4, further comprising a vibrator disposed on the second rotating member, wherein the second rotating member is capable of driving the vibrator to contact the slump cone, and the vibrator is configured to drive the slump cone to vibrate.

6. The test device of claim 1, further comprising a receiving plate disposed on an outer sidewall of the slump cone.

7. The test device as claimed in claim 6, wherein the material receiving plate is provided to be inclined downward toward a direction close to an outer side wall of the slump cone.

8. The testing device of claim 1, further comprising a moving member disposed on the base, the moving member being configured to move the base.

9. The testing device of claim 1, wherein the base comprises a weight scale and a support, the weight scale being disposed on the support, the weight scale being configured to carry the concrete mix and measure the weight of the concrete mix.

10. The testing device of claim 1, wherein the laser sensor is a surface laser sensor.