CN215180204U - Intelligent measuring instrument for concrete slump - Google Patents

Abstract

The utility model provides a concrete slump intelligent measuring instrument, including bottom plate, concrete windrow mechanism, measuring mechanism, stand and elevating system, this device has effectively guaranteed the vertical lifting of concrete windrow mechanism through the cooperation of stand and elevating system, has avoided the horizontal migration of concrete windrow mechanism to effectively promote the accuracy of slump; the measuring mechanism adopts an ultrasonic sensor, so that the measuring accuracy of the slump is effectively ensured; the concrete stacking mechanism is of an integrated structure, the integrity and usability of the device are effectively improved, the closed scraper can be strickleed off, and the feeding in place in the cylinder is further ensured; the magnetic coil that the windrow storehouse fill lower part of concrete windrow mechanism set up, with the actuation of metal substrate after the circular telegram, effectively solved the problem that the degree of collapse precision is influenced in the concrete forward collapses to can improve two traditional people's operations into one-man operation.

Description

Intelligent measuring instrument for concrete slump

Technical Field

The utility model relates to a building technical field especially relates to a concrete slump intelligent measuring apparatu.

Background

The slump of concrete is one of basic determination indexes of the workability of concrete, is a key control index parameter in concrete construction, and influences whether the construction can be normally carried out. The concrete slump measuring method in the test comprises the following steps: the concrete mixture is filled into a slump cone according to a specified method, after the slump cone is filled and scraped, the cone is lifted vertically upwards and moved aside. Concrete mixes will slump due to their own weight. Then measuring the size L of the downward slump, wherein the size L is the slump; when the slump is larger, slump expansion index parameters such as the maximum diameter of the expanded round concrete after the slump are measured according to the standard.

When the common slump measuring method is used for vertically lifting the slump cylinder, the accuracy of slump measurement is influenced due to the fact that the slump cylinder is inevitably accompanied by horizontal movement of the cylinder due to manual operation influence; in addition, because the measurement is carried out by manually using the straight steel ruler, the measurement error often occurs, the measurement is inaccurate, and the error between the measured value and the actual slump is large; moreover, because the concrete is required to be added into the slump cone and then the slump cone is scraped, whether the feeding in the slump cone is in place cannot be ensured, the scraped residual material can fall on the outer wall of the cone, and the scraped residual material can fall into a collapsed concrete pile when the slump cone is lifted, so that the slump detection accuracy is influenced; finally, because there is no fixation between the slump cone and the bottom plate, after the concrete is added into the cone, the concrete can reversely act on the cone wall, so that the slump cone floats upwards, the concrete begins to slump before next operation, and the accuracy of slump measurement is also influenced. Therefore, a concrete slump measuring apparatus is urgently needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

For solving prior art's shortcoming and not enough, the utility model provides a concrete slump intelligent measuring appearance to solve the influence that the horizontal migration that accompanies when current slump section of thick bamboo is perpendicularly upwards lifted to the slump, artifical steel ruler measurement lead to measured value and actual slump error great, can't judge whether reinforced in the slump section of thick bamboo targets in place, when reinforced slump section of thick bamboo and bottom plate do not have fixed thereby concrete collapse in advance and influence the problem of slump precision.

For realizing the utility model aims at providing a pair of concrete slump intelligent measuring apparatu, including bottom plate, concrete windrow mechanism, measuring mechanism, stand and elevating system, the bottom plate is sheet metal, it is fixed to realize in the vertical bottom plate that inserts of one end of stand, the lower surface of concrete windrow mechanism and the upper surface contact of bottom plate and contact surface are smooth, elevating system's one end and concrete windrow mechanism's outer surface welded fastening, measuring mechanism's one end is fixed with the other end of stand, and the bottom central point of the other end puts just to concrete windrow mechanism's center, the stand is hollow structure to realize hiding of measuring mechanism power supply line, the outer wall middle part of stand is provided with horizontal screw thread, elevating system and the horizontal screw thread fit of stand outer wall realize the decline function that rises.

As a further improvement of the scheme, the surface of the bottom plate, which is in contact with the concrete stacking mechanism, is provided with circular scale marks so as to realize measurement of the slump and expansion degree of the concrete.

As a further improvement of the scheme, the end cover plug is installed at the end part of the connecting end of the upright post and the measuring mechanism, so that the condition that the concrete falls into the hollow pipe of the upright post to cause blockage and cause the failure of maintenance and replacement of a power supply line is avoided.

As a further improvement of the above scheme, the concrete stacking mechanism further comprises a feeding bin hopper and a stacking bin hopper, wherein the lower surface of the feeding bin hopper is not in contact with the upper surface of the stacking bin hopper, the feeding bin hopper is connected with the back of the stacking bin hopper by welding, a first scraper and a second scraper are further arranged between the feeding bin hopper and the stacking bin hopper, one end of each of the first scraper and the second scraper is semicircular to realize the scraping operation of concrete, the other end of each of the first scraper and the second scraper is strip-shaped and is provided with a through hole, a first fixing column extends out of the feeding bin hopper corresponding to the through hole positions of the first scraper and the second scraper, the tail end of the first fixing column is not in contact with the upper surface of the first scraper, a second fixing column extends out of the stacking bin hopper corresponding to the through hole positions of the first scraper and the second scraper, and the tail end of the second fixing column is not in contact with the upper surface of the second scraper, and a rotating pin is arranged between the first fixing column and the second fixing column, the rotating pin penetrates through holes of the first scraper blade and the second scraper blade, and two ends of the rotating pin are respectively inserted into the first fixing column and the second fixing column.

As a further improvement of the scheme, the lowest end of the material piling bin hopper is provided with an annular groove, and a magnetic coil is fixed in the annular groove so as to realize the attraction between the material piling bin hopper and the bottom plate after the material piling bin hopper is electrified.

As a further improvement of the above scheme, the measuring mechanism comprises a sensor, a cantilever and a digital display screen, the sensor is fixed at the central position of the lower surface of one end of the cantilever, the digital display screen is fixed at the upper surface of one end of the cantilever, the sensor is connected with the digital display screen through a wire to realize the display of collected data, and the sensor realizes the transmission and storage of real-time data through the Internet of things technology and a large data platform, a mobile end and a PC end.

As a further improvement of the above scheme, the lifting mechanism comprises a box body, a lifting motor and a lifting gear, the box body is provided with a transmission cabin and a circuit cabin, one end of a transmission shaft of the lifting gear is fixed on the inner wall of one side of the transmission cabin, the other end of the transmission shaft penetrates through the inner wall of the other side of the transmission cabin to be connected with the lifting motor, lifting power transmission is achieved, and a power supply line of the lifting motor is arranged in the circuit cabin.

As a further improvement of the scheme, the power supply line of the magnetic coil is provided with a switch so as to facilitate the connection and disconnection of the circuit.

As a further improvement of the above scheme, the matching positions of the first scraper and the second scraper are both triangular, so that the concrete can be sufficiently scraped by the first scraper and the second scraper.

As a further improvement of the scheme, the sensor is an ultrasonic sensor.

The utility model has the advantages that:

compared with the prior art, the utility model provides a pair of concrete slump intelligent measuring appearance has following advantage:

1. through the matching of the upright post and the lifting mechanism, the vertical lifting of the concrete stacking mechanism is effectively ensured, and the horizontal movement of the concrete stacking mechanism is avoided, so that the accuracy of the collapse degree is effectively improved;

2. the measuring mechanism adopts the ultrasonic sensor, so that the measuring accuracy of the slump is effectively ensured, and the problem that the error between a measured value and the actual slump is large due to the measurement of an artificial steel ruler is solved;

3. the concrete stacking mechanism is of an integrated structure, the integrity and the usability of the device are effectively improved, the closed scraper can scrape the concrete at the top end of the stacking hopper and can seal the bottom of the feeding hopper, the phenomenon that the excess material splashes outside the barrel or falls into the concrete material after the barrel is lifted is avoided, the experimental precision is influenced, and the feeding in the barrel is further ensured to be in place;

4. the magnetic coil that the windrow storehouse fill lower part of concrete windrow mechanism set up, with the actuation of metal substrate after the circular telegram, effectively solved the problem that the degree of collapse precision is influenced in the concrete forward collapses to can improve two traditional people's operations into one-man operation.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of the middle bottom plate of the present invention;

FIG. 5 is a schematic view of a concrete stacking mechanism according to the present invention;

fig. 6 is a sectional view of the lifting mechanism of the present invention;

fig. 7 is a partial cross-sectional view of circle a in the front view of the present invention;

fig. 8 is a perspective view of the first scraper and the second scraper of the present invention;

fig. 9 is a side view of the first scraper and the second scraper of the present invention.

Wherein: 1-bottom plate, 2-concrete stacking mechanism, 3-measuring mechanism, 4-upright post, 5-lifting mechanism, 6-switch, 11-circular scale mark, 21-feeding bin hopper, 22-stacking bin hopper, 23-first scraper, 24-second scraper, 25-first fixed column, 26-second fixed column, 27-magnetic coil, 28-rotating pin, 31-sensor, 32-cantilever, 33-digital display screen, 41-end cover plug, 51-box body, 52-lifting motor, 53-lifting gear, 511-transmission cabin and 512-circuit cabin.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

as shown in fig. 1-9, an intelligent measuring instrument for concrete slump comprises a bottom plate 1, a concrete stacking mechanism 2, a measuring mechanism 3, a stand column 4 and a lifting mechanism 5, wherein the bottom plate 1 is made of metal plate, one end of the stand column 4 is vertically inserted into the bottom plate 1 to be fixed, the lower surface of the concrete stacking mechanism 2 is in contact with the upper surface of the bottom plate 1, the contact surface is smooth, one end of the lifting mechanism 5 is welded and fixed with the outer surface of the concrete stacking mechanism 2, one end of the measuring mechanism 3 is fixed with the other end of the stand column 4, the bottom center position of the other end is just opposite to the center of the concrete stacking mechanism 2, the stand column 4 is of a hollow structure to hide the power supply circuit of the measuring mechanism 3, the middle part of the outer wall of the stand column 4 is provided with horizontal threads, and the lifting mechanism 5 is matched with the horizontal threads on the outer wall of the stand column 4, implementing an up-down function, wherein: the circular scale marks 11 are arranged on the surface of the bottom plate 1, which is in contact with the concrete stacking mechanism 2, so that the measurement of the slump expansion degree of the concrete is realized; an end cover plug 41 is arranged at the end part of the connecting end of the upright post 4 and the measuring mechanism 3, so that the condition that the power supply line cannot be maintained and replaced due to blockage caused by concrete falling into a hollow pipe of the upright post 4 is avoided; the concrete stacking mechanism 2 further comprises a feeding bin hopper 21 and a stacking bin hopper 22, the lower surface of the feeding bin hopper 21 is not in contact with the upper surface of the stacking bin hopper 22, the feeding bin hopper 21 is connected with the back of the stacking bin hopper 22 through welding, a first scraper 23 and a second scraper 24 are further arranged between the feeding bin hopper 21 and the stacking bin hopper 22, one end of each of the first scraper 23 and the second scraper 24 is semicircular to realize the concrete leveling operation, the other end of each of the first scraper 23 and the second scraper 24 is long-strip-shaped and is provided with a through hole, a first fixing column 25 extends out from the position of the feeding bin hopper 21 corresponding to the through holes of the first scraper 23 and the second scraper 24, the tail end of the first fixing column 25 is not in contact with the upper surface of the first scraper 23, the stacking bin hopper 22 extends out of a second fixing column 26 corresponding to the positions of the through holes of the first scraper 23 and the second scraper 24, and the tail end of the second fixing column 26 is not in contact with the upper surface of the second scraper 24, a rotating pin 28 is arranged between the first fixing column 25 and the second fixing column 26, the rotating pin 28 passes through the through holes of the first scraper 23 and the second scraper 24, and two ends of the rotating pin 28 are respectively inserted into the first fixing column 25 and the second fixing column 26; an annular groove is formed in the lowest end of the stacking hopper 22, and a magnetic coil 27 is fixed in the annular groove to attract the stacking hopper 22 and the bottom plate 1 after the stacking hopper is electrified; the measuring mechanism 3 comprises a sensor 31, a cantilever 32 and a digital display screen 33, the sensor 31 is fixed at the central position of the lower surface of one end of the cantilever 32, the digital display screen 33 is fixed on the upper surface of one end of the cantilever 32, the sensor 31 is connected with the digital display screen 33 through a wire to realize the display of collected data, and the sensor 31 realizes the real-time data transmission and storage through the internet of things technology, a large data platform, a mobile end and a PC end; the lifting mechanism 5 comprises a box body 51, a lifting motor 52 and a lifting gear 53, the box body 51 is provided with a transmission cabin 511 and a circuit cabin 512, one end of a transmission shaft of the lifting gear 53 is fixed on the inner wall of one side of the transmission cabin 511, the other end of the transmission shaft penetrates through the inner wall of the other side of the transmission cabin 511 to be connected with the lifting motor 52, so that lifting power transmission is realized, and a power supply line of the lifting motor 52 is arranged in the circuit cabin 512; a switch 6 is arranged on a power supply line of the magnetic coil 27 so as to facilitate the connection and disconnection of the circuit; the matching positions of the first scraper 23 and the second scraper 24 are both triangular, so that the first scraper 23 and the second scraper 24 can sufficiently scrape the concrete; the sensor 31 is an ultrasonic sensor.

The utility model provides a pair of concrete slump intelligent measuring appearance, in the use:

1. firstly, a power supply of a lifting motor 52 in a lifting mechanism 5 is switched on, the lifting mechanism 5 drives a concrete stacking mechanism 2 to descend, so that the lower surface of the concrete stacking mechanism 2 is in contact with the upper surface of a bottom plate 1, and the power supply of the lifting motor 52 is stopped; then the switch 6 is pressed to connect the power supply of the magnetic coil 27, so that the concrete stacking mechanism 2 and the bottom plate 1 are fixedly attracted;

2. the first scraper 23 and the second scraper 24 are stirred to keep the communication between the feeding hopper 21 and the stacking hopper 22 in the concrete stacking mechanism 2; filling concrete into a stockpiling bin 22 according to a standard method required by a regulation; after the added concrete exceeds the material piling bin 22, the first scraper 23 and the second scraper 24 are shifted to separate and strike off the concrete in the material piling bin 21 and the concrete in the material piling bin 22;

3. the power supply of the magnetic coil 27 is cut off by pressing the switch 6, so that the concrete piling mechanism 2 and the bottom plate 1 are not attracted any more; the power supply of the lifting motor 52 is switched on, the lifting mechanism 5 drives the concrete stacking mechanism 2 to vertically lift, and after the concrete stacking mechanism 2 is completely separated from the concrete, the concrete stacking mechanism 2 is rotated by at least 90 degrees, so that the influence of the concrete stacking mechanism 2 on the measurement is avoided;

4. the power supply of a sensor 31 in the measuring mechanism 3 is switched on, the sensor 31 measures the downward slump size of the concrete, so that the slump of the concrete is obtained, and meanwhile, the slump numerical value is displayed on a digital display screen 33; in addition, the sensor 31 also sends the measurement data to a big data platform, a mobile terminal and a PC terminal through the Internet of things technology, so that the real-time transmission and storage of the data are realized, and a basis is provided for the generation of a related detection report;

5. when the obtained concrete slump value is larger than the relevant standard requirement, the slump cannot accurately reflect the fluidity of the concrete, so the circular scale mark 11 on the bottom plate 1 needs to be compared with the expanded range of the concrete, and the expanded diameter and the vertical diameter of the concrete, namely the slump expansion degree, are read according to the specification.

The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments may be combined with each other into a new embodiment. The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a concrete slump intelligent measurement appearance which characterized in that: comprises a bottom plate (1), a concrete stacking mechanism (2), a measuring mechanism (3), a stand column (4) and a lifting mechanism (5), wherein the bottom plate (1) is made of metal plate, one end of the stand column (4) is vertically inserted into the bottom plate (1) to be fixed, the lower surface of the concrete stacking mechanism (2) is in contact with the upper surface of the bottom plate (1) and the contact surface of the lower surface of the bottom plate is smooth, one end of the lifting mechanism (5) is fixedly welded with the outer surface of the concrete stacking mechanism (2), one end of the measuring mechanism (3) is fixed with the other end of the stand column (4), the bottom center of the other end is just aligned to the center of the concrete stacking mechanism (2), the stand column (4) is of a hollow structure so as to hide a power supply line of the measuring mechanism (3), a horizontal thread is arranged in the middle part of the outer wall of the stand column (4), and the lifting mechanism (5) is matched with the horizontal thread of the outer wall of the stand column (4), the ascending and descending functions are realized.

2. The intelligent measuring instrument for concrete slump according to claim 1, wherein: the surface that bottom plate (1) and concrete windrow mechanism (2) contact is provided with circular scale mark (11) to the measurement to concrete slump expansion degree is realized.

3. The intelligent measuring instrument for concrete slump according to claim 1, wherein: end cover stopper (41) are installed with the tip of measuring mechanism (3) link in stand (4) to cause the jam in avoiding the concrete to fall into the hollow tube of stand (4) and lead to the fact the power supply line can't maintain and change.

4. The intelligent measuring instrument for concrete slump according to claim 1, wherein: the concrete stacking mechanism (2) further comprises a feeding bin hopper (21) and a stacking bin hopper (22), the lower surface of the feeding bin hopper (21) is not in contact with the upper surface of the stacking bin hopper (22), the feeding bin hopper (21) is connected with the back of the stacking bin hopper (22) through welding, a first scraper (23) and a second scraper (24) are further arranged between the feeding bin hopper (21) and the stacking bin hopper (22), one ends of the first scraper (23) and the second scraper (24) are semicircular to achieve scraping operation of concrete, the other ends of the first scraper (23) and the second scraper (24) are long-strip-shaped and are provided with through holes, the feeding bin hopper (21) extends out of a first fixing column (25) corresponding to the through holes of the first scraper (23) and the second scraper (24), the tail end of the first fixing column (25) is not in contact with the upper surface of the first scraper (23), and the stacking bin hopper (22) extends out of the through holes of the second scraper (24) corresponding to the through holes of the first scraper (23) and the second scraper (24) 26) The tail end of the second fixing column (26) is not in contact with the upper surface of the second scraper (24), a rotating pin (28) is arranged between the first fixing column (25) and the second fixing column (26), the rotating pin (28) penetrates through holes of the first scraper (23) and the second scraper (24), and two ends of the rotating pin (28) are respectively inserted into the first fixing column (25) and the second fixing column (26).

5. The intelligent measuring instrument for concrete slump according to claim 4, wherein: the lowest end of the material piling bin hopper (22) is provided with an annular groove, and a magnetic coil (27) is fixed in the annular groove so as to attract the material piling bin hopper (22) and the bottom plate (1) after the material piling bin hopper is electrified.

6. The intelligent measuring instrument for concrete slump according to claim 1, wherein: measuring mechanism (3) are including sensor (31), cantilever (32) and digital display screen (33), the central point that sensor (31) is fixed in cantilever (32) one end lower surface puts, digital display screen (33) are fixed in cantilever (32) one and serve the upper surface, sensor (31) are connected through the wire with digital display screen (33) to realize the demonstration of data collection, sensor (31) are held through internet of things and big data platform, removal, and PC, realize real-time data transmission and storage.

7. The intelligent measuring instrument for concrete slump according to claim 1, wherein: elevating system (5) are including box body (51), elevator motor (52) and elevating gear (53), box body (51) are provided with transmission cabin (511) and circuit cabin (512), the transmission shaft one end of elevating gear (53) is fixed in one side inner wall of transmission cabin (511), and the other end runs through the opposite side inner wall of transmission cabin (511) and is connected with elevator motor (52), realizes the transmission of lift power, the power supply line of elevator motor (52) arranges in circuit cabin (512).

8. The intelligent measuring instrument for concrete slump of claim 5, wherein: and a power supply line of the magnetic coil (27) is provided with a switch (6) to facilitate the connection and disconnection of the circuit.

9. The intelligent measuring instrument for concrete slump according to claim 1, wherein: the matching positions of the first scraper (23) and the second scraper (24) are both triangular, so that the first scraper (23) and the second scraper (24) can sufficiently scrape the concrete.

10. The intelligent measuring instrument for concrete slump of claim 6, wherein: the sensor (31) is an ultrasonic sensor.

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